CN113342204A - Touch system adjustment method, device, equipment, storage medium and program product - Google Patents
Touch system adjustment method, device, equipment, storage medium and program product Download PDFInfo
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- 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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
- G06F3/04166—Details of scanning methods, e.g. sampling time, grouping of sub areas or time sharing with display driving
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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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- 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
- G06F3/0447—Position sensing using the local deformation of sensor cells
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Abstract
The invention discloses a touch system adjusting method, which comprises the following steps: the method comprises the steps of obtaining deformation of a display, and determining a sensitivity distribution diagram of a touch system of the display according to the deformation; and determining a correction parameter according to the sensitivity distribution diagram, and adapting the sensitivity of a touch system of the display according to the correction parameter. The invention also discloses a touch system adjusting device, equipment, a storage medium and a program product. According to the invention, the deformation quantity of the display is obtained, and the sensitivity of the touch system of the display is adjusted according to the obtained deformation quantity, so that the problem of abnormal sensitivity of the touch system caused by the deformation problem of the display is solved, and the user experience is improved.
Description
Technical Field
The present invention relates to the field of touch display technologies, and in particular, to a method, an apparatus, a device, a storage medium, and a program product for adjusting a touch system.
Background
With the application and development of touch displays, touch systems of the touch displays are increasingly used in various display products, the sizes of the products are increasingly larger, and particularly, the capacitive touch systems are more widely applied, wherein the display products with more applications to the capacitive touch systems include conference touch whiteboards, interactive advertisement screens, interactive ordering machines, teaching touch blackboards and the like. In the manufacturing process of the display product, the capacitive touch screen needs to be tightly attached to the liquid crystal display screen. However, due to the oversize of the product, the display is deformed to a certain extent during production, transportation, installation and erection and after long-time hanging use, so that the distances between the liquid crystal display and the capacitive touch screen in different local areas of the display are changed by different amounts.
Therefore, the capacitive touch screen detects the touch operation according to the change of the capacitive sensing quantity, however, when the display deforms, the distance between each area of the liquid crystal display screen and the capacitive touch screen is not uniform, so that the capacitance sensing change quantity generated by the same touch operation in each area of the display is different, and thus each area of the display has different sensitivity, and the sensitivity has a larger difference. When the sensitivity of each region is different, a series of derivative problems may occur when a user operates the display, for example, a floating touch problem when the sensitivity is too high, the display may be easily interfered to cause erroneous judgment of the touch operation, and when the sensitivity is too low, the touch operation of a local region of the display is not responded, which may cause malfunction of the touch system of the display.
Further, even though a manufacturer can perform various corrections on the touch system in the production link of the display product, since the deformation belongs to the physical problem, the manufacturer is difficult to predict the physical deformation generated in the processes of transportation, logistics, field erection and the like after the production of the product, and therefore, the problems of the product due to the physical deformation cannot be solved due to correction parameters obtained by performing various corrections on the touch system in the production link of the product.
Disclosure of Invention
The present invention mainly aims to provide a touch system adjustment method, device, equipment, storage medium and program product, and aims to solve the technical problem of abnormal touch sensitivity of a touch display due to deformation.
In addition, to achieve the above object, the present invention further provides a touch system adapting method, which is applied to a touch system of a display, and the touch system adapting method includes the following steps:
the method comprises the steps of obtaining deformation of a display, and determining a sensitivity distribution diagram of a touch system of the display according to the deformation;
and determining a correction parameter according to the sensitivity distribution diagram, and adapting the sensitivity of a touch system of the display according to the correction parameter.
Optionally, the display includes a display screen and a capacitive touch screen, the touch screen includes a capacitive sensor, and the step of acquiring the deformation amount of the display includes:
acquiring node capacitance between each capacitive sensor in the touch screen and the display screen;
determining a distance distribution diagram between the touch screen and the display screen according to the node capacitance;
and determining the deformation amount of the display according to the distance distribution map.
Optionally, the step of determining a sensitivity profile of the display according to the amount of deformation comprises:
and carrying out region division on the display according to the deformation quantity to obtain a sensitivity distribution diagram of the display, wherein the sensitivity distribution diagram corresponds to the induction capacitance variation of each capacitance sensor when touch operation is generated on the touch screen, and the touch system of the display outputs an induction signal according to the induction capacitance variation to respond to the touch operation generated on the touch screen.
Optionally, the step of determining a correction parameter from the sensitivity profile comprises:
acquiring preset sensitivity of the display, and determining preset induction capacitance variation of each capacitive sensor in the touch screen corresponding to the preset sensitivity;
and converting the preset induction capacitance variation according to the sensitivity distribution map to obtain a correction parameter.
Optionally, the step of adapting the sensitivity of the touch system of the display according to the correction parameter comprises:
adjusting the sensitivity of different areas of the display to a target sensitivity corresponding to the correction parameter, and determining a target induction capacitance variation of each capacitive sensor in the touch screen corresponding to the target sensitivity;
selecting a plurality of target touch areas from the display, acquiring a first induction signal output by the touch system when detecting that touch operation is generated in the target touch areas, and determining first induction capacitance variation of each capacitive sensor in the touch screen corresponding to the first induction signal;
and judging whether the first induction capacitance variation is larger than or equal to the target induction capacitance variation, if not, adjusting the correction parameter, returning to the step of adjusting the sensitivity of different areas of the display to the target sensitivity corresponding to the correction parameter and determining the target induction capacitance variation of each capacitive sensor in the touch screen corresponding to the target sensitivity, so as to adjust the sensitivity of the displayed touch system according to the correction parameter until the first induction capacitance variation is larger than or equal to the target induction capacitance variation.
Optionally, after the step of acquiring a first sensing signal output by the touch system and determining a first sensing capacitance variation of each capacitive sensor in the touch screen corresponding to the first sensing signal when the touch operation generated in the target touch area is detected, the method further includes:
fitting the first sensing signal and the deformation quantity of the display to determine a corresponding relation between the first sensing signal and the deformation quantity;
and saving the corresponding relation, and when an adaptation instruction is detected, re-adapting the sensitivity of the touch system of the display based on the corresponding relation.
In addition, to achieve the above object, the present invention further provides a touch system adapting device, including:
the detection module is used for acquiring the deformation quantity of the display and determining the sensitivity distribution map of the touch system of the display according to the deformation quantity;
and the adapting module is used for determining a correction parameter according to the sensitivity distribution diagram and adapting the sensitivity of the touch system of the display according to the correction parameter.
In addition, to achieve the above object, the present invention also provides a touch system adapting apparatus, including: a memory, a processor and a touch system adaptation program stored on the memory and executable on the processor, the touch system adaptation program, when executed by the processor, implementing the steps of the touch system adaptation method as described above.
In addition, to achieve the above object, the present invention further provides a computer readable storage medium, on which a touch system adapting program is stored, and the touch system adapting program, when executed by a processor, implements the steps of the touch system adapting method as described above.
In addition, to achieve the above object, the present invention further provides a computer program product, which includes a computer program, and when the computer program is executed by a processor, the computer program implements the steps of the touch system adapting method as described above.
The embodiment of the invention provides a touch system adjusting method, a touch system adjusting device, touch system adjusting equipment, a touch system storing medium and a touch system program product. Compared with the prior art that the sensitivity of the touch system of the display is abnormal due to failure of the adaptive parameters of the display after the display is physically deformed, in the embodiment of the invention, the sensitivity distribution map of the touch system of the display is determined according to the deformation quantity by acquiring the deformation quantity of the display; and determining a correction parameter according to the sensitivity distribution diagram, and adapting the sensitivity of a touch system of the display according to the correction parameter. The sensitivity of the touch system of the display is adjusted according to the deformation quantity of the display, the problem that the sensitivity of the display is abnormal due to deformation is solved, and user experience is improved.
Drawings
Fig. 1 is a schematic hardware structure diagram of an embodiment of a touch system adapting apparatus according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a touch system adapting method according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a touch screen and a liquid crystal display screen of a display according to a first embodiment of a touch system adjustment method of the invention;
FIG. 4 is a schematic view of the distribution of node capacitances of a display according to a first embodiment of a touch system adaptation method of the present invention;
FIG. 5 is a schematic diagram illustrating sensitivity distribution of a display according to a first embodiment of a touch system adaptation method of the present invention;
fig. 6 is a functional block diagram of a touch system adapting device according to a first embodiment of the invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The touch system adjusting device (also called terminal, device or terminal device) in the embodiment of the invention can be a PC, or can be a mobile terminal device with display and data processing functions, such as a smart phone, a tablet computer and a portable computer.
As shown in fig. 1, the terminal may include: a processor 1001, such as a CPU, a network interface 1004, a user interface 1003, a memory 1005, a communication bus 1002. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may include a Display screen (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory (e.g., a magnetic disk memory). The memory 1005 may alternatively be a storage device separate from the processor 1001.
Optionally, the terminal may further include a camera, a Radio Frequency (RF) circuit, a sensor, an audio circuit, a WiFi module, and the like. Such as light sensors, motion sensors, and other sensors. Specifically, the light sensor may include an ambient light sensor that may adjust the brightness of the display screen according to the brightness of ambient light, and a proximity sensor that may turn off the display screen and/or the backlight when the mobile terminal is moved to the ear. As one of the motion sensors, the gravity acceleration sensor can detect the magnitude of acceleration in each direction (generally, three axes), detect the magnitude and direction of gravity when the mobile terminal is stationary, and can be used for applications (such as horizontal and vertical screen switching, related games, magnetometer attitude calibration), vibration recognition related functions (such as pedometer and tapping) and the like for recognizing the attitude of the mobile terminal; of course, the mobile terminal may also be configured with other sensors such as a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which are not described herein again.
Those skilled in the art will appreciate that the terminal structure shown in fig. 1 is not intended to be limiting and may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a kind of computer-readable storage medium, may include therein an operating system, a network communication module, a user interface module, and a touch system adaptation program.
In the terminal shown in fig. 1, the network interface 1004 is mainly used for connecting to a backend server and performing data communication with the backend server; the user interface 1003 is mainly used for connecting a client (user side) and performing data communication with the client; and the processor 1001 may be configured to call a touch system adaptation program stored in the memory 1005, and when the touch system adaptation program is executed by the processor, the touch system adaptation program implements the operations of the touch system adaptation method provided in the following embodiments.
Based on the hardware structure of the device, an embodiment of the touch system adapting method of the invention is provided.
Referring to fig. 2, in a first embodiment of the touch system adapting method of the present invention, the touch system adapting method includes:
step S10, acquiring the deformation quantity of the display, and determining the sensitivity distribution diagram of the touch system of the display according to the deformation quantity;
the touch system debugging method is applied to a touch system of a touch display, in particular to a touch system of a capacitive touch display. The touch system adapting method is implemented in a touch system adapting device, which may be a personal computer or a terminal device with display and data processing functions, such as a tablet computer.
In this embodiment, the display is a capacitive touch display, and the touch system adapting method is used for adapting the sensitivity of the display. Therefore, for large-size capacitive touch display products such as conference touch whiteboards, interactive advertising screens and teaching touch blackboards, during reproduction, transportation, installation and later use, the display of the product is likely to deform, and when the deformation degree exceeds a certain threshold value, the sensitivity of the display is seriously affected. The touch system adjusting method provided by the embodiment of the application can adjust the sensitivity of the capacitive touch display, so that the problem caused by the deformation of the display is solved.
Specifically, firstly, a deformation amount of the display is obtained, and a sensitivity distribution map of the displayed touch system is determined according to the deformation amount of the display, and as can be seen, the capacitive touch display generally includes a display screen and a capacitive touch screen, where the display screen includes a liquid crystal display (hereinafter, the liquid crystal display is taken as an example), and the touch screen is provided with a capacitive sensor and is connected to the touch system of the display, and the touch system detects a touch operation by using the capacitive sensor in the touch screen and generates an induction signal. Specifically, the touch system of the display detects a touch operation according to the sensing capacitance variation of each capacitive sensor when the touch screen is touched, and the sensing capacitance variation of the capacitive sensor is related to the distance between the touch screen and the liquid crystal display screen. In the use process of the display, due to long-term vertical placement or inclined suspension towards the ground, different areas of the display may deform to different degrees, and therefore, distances between the touch screen and the liquid crystal display screen may be different in different areas of the display, so that the sensitivities of different areas of the display are different. According to the distance between the liquid crystal display screen and the touch screen in different areas of the display, the sensitivity distribution diagram of the touch system of the display can be determined.
Further, in step S10, the step of acquiring the deformation amount of the display includes:
step A1, acquiring node capacitance between each capacitive sensor in the touch screen and the display screen;
step A2, determining a distance distribution map between the touch screen and the display screen according to the node capacitance;
step A3, determining the deformation quantity of the display according to the distance distribution map.
Referring to fig. 3, fig. 3 is a schematic structural diagram of a touch screen and a liquid crystal display of a display, in fig. 3, a certain attaching distance exists between the touch screen and the liquid crystal display of the display, the attaching distance is uniform, after the display deforms, the distance between the touch screen and the liquid crystal display changes, and the distances between the touch screen and the liquid crystal display may be different in different areas of the display. When the distance between a liquid crystal display screen of the display and the touch screen is determined, the distance between each capacitive sensor in the touch screen and the display screen is obtained, a distance distribution diagram between the touch screen and the liquid crystal display screen is obtained according to the distance between each capacitive sensor of the touch screen and the liquid crystal display screen, and the distance distribution diagram represents the distance relation between the liquid crystal display screen and the touch screen in different areas of the display. And determining the deformation amount of the display according to the distance distribution diagram between the touch screen and the liquid crystal display screen. For example, the deformation amount of the display is determined according to the difference between the maximum value and the minimum value of the distances in different areas in the distance distribution diagram of the display, and the deformation area of the display is further determined according to whether the distance distribution between the touch screen and the liquid crystal display screen in different areas of the display is uniform or not. The distance between each capacitive sensor of the touch screen and the liquid crystal display screen is determined according to the node capacitance corresponding to each capacitive sensor, referring to fig. 4, fig. 4 is a node capacitance distribution diagram corresponding to each capacitive sensor of the touch screen of the display, the node capacitance of the capacitive sensor shown in fig. 4 is low in the middle and high in the periphery, and the node capacitance gradually increases from the middle to the periphery. The region in the left side frame line of fig. 4 is a region with moderate sensitivity calculated according to the distribution of the node capacitance, and can be used as a calibration region for adapting the display. Therefore, the capacitance of the capacitive sensor is related to the distance, and the larger the distance is, the smaller the capacitance is, so that the distance between the touch screen at the middle part of the display and the liquid crystal display screen is the largest, and the deformation degree of the touch screen is the most serious. According to the size of the node capacitance corresponding to each capacitance sensor on the touch screen, the distance between the touch screen and the liquid crystal display screen in different areas of the display can be determined, and therefore the deformation quantity of the display is determined.
Further, in step S10, the step of determining the sensitivity profile of the touch system of the display according to the deformation amount of the display includes:
and step B1, performing area division on the display according to the deformation quantity to obtain a sensitivity distribution map of a touch system of the display, wherein the sensitivity distribution map corresponds to the variation of the sensing capacitance of each capacitive sensor when a touch operation is generated on the touch screen, and the touch system of the display outputs a sensing signal according to the variation of the sensing capacitance to respond to the touch operation generated on the touch screen.
Therefore, the sensitivity distribution diagram of the display represents the sensitivity distribution conditions of different areas of the display, the sensitivity of the display corresponds to the variation of the sensing capacitance of each capacitive sensor when the touch operation is generated on the touch screen, the sensing capacitance of the capacitive sensor of the touch screen is changed, and the touch system outputs a sensing signal according to the variation of the sensing capacitance of the capacitive sensor so as to respond to the touch operation generated on the touch screen. Therefore, the touch system is determined by the sensing capacitance variation generated by each capacitive sensor of the touch screen according to the touch operation according to the sensing signal output by the touch operation, and the sensing capacitance variation is related to the distance between the touch screen and the liquid crystal display screen. Therefore, when the touch operation is detected, the sensing capacitance variation of the touch screen capacitance sensor can be determined through the sensing signal output by the touch system, otherwise, the distance between the touch screen and the liquid crystal display screen can be determined according to the node capacitance of each capacitance sensor of the touch screen, so that the sensing capacitance variation generated by each capacitance sensor according to the touch operation can be determined, and the sensing signal output by the touch system according to the touch operation, namely the sensitivity of the display, can be determined.
Specifically, referring to fig. 5, fig. 5 is a schematic diagram of a sensitivity distribution diagram of a display when determining the sensitivity distribution diagram of the display, the distortion of the display is determined according to a node capacitance distribution diagram of a capacitance sensor shown in fig. 4 when determining the sensitivity distribution diagram of the display, the sensitivity of the display is related to the distortion, and the display is divided into regions according to the distortion of the display and referring to the sensitivity of a calibration region, so as to divide the display into different sensitivity regions corresponding to different distortion degrees, thereby obtaining the sensitivity distribution diagram of the touch system of the display shown in fig. 5. In fig. 5, the first, second and third regions represent three regions with different sensitivities, and the sensitivities in the same region are not different or are the same.
Step S20, determining a correction parameter according to the sensitivity distribution map, and adapting the sensitivity of the touch system of the display according to the correction parameter.
And determining a correction parameter for adapting the display according to a sensitivity distribution diagram of the display, wherein the sensitivity of the display is determined according to the touch screen, when a user touches the display, and a touch system of the display senses a touch operation of the user through the touch screen, the sensing capacitance of each capacitive sensor changes, and the touch system detects the capacitance change of the capacitive sensor, so as to change an output sensing signal. When the sensing signal output by the touch system exceeds a certain threshold, a touch operation instruction is triggered, and the touch operation of the user is responded. When the sensitivity of the display changes due to the deformation, if the threshold of the sensing signal of the touch system triggering the touch operation instruction according to the touch operation of the user is not changed, the problem of abnormal sensitivity occurs. For example, when the distance between the touch screen of the display and the liquid crystal display screen is increased, after a user touches the display, the capacitance variation of the point capacitance sensor of the touch screen is reduced, the sensing signal output by the touch system according to the touch operation of the user is also reduced, if the threshold value of the sensing signal of the touch system triggering the touch operation instruction is not adjusted, the sensing signal output by the touch system according to the touch operation of the user is smaller than the threshold value, so that the touch operation instruction cannot be triggered, the sensitivity of the display is too low, the false appearance of touch system function failure is caused, and the user experience is influenced. Or, when the distance between the touch screen of the display and the liquid crystal display screen is reduced, the sensing signal output by the touch system according to the touch operation of the user is increased, and if the threshold of the sensing signal of the touch operation instruction triggered by the touch system is not adjusted, the sensing signal output by the touch system according to the touch operation of the user is larger than the threshold, so that the sensitivity of the display is too high, thereby causing floating touch and causing misoperation, and causing poor user experience. Therefore, when the display deforms and the deformation amount reaches a certain degree, the sensitivity of the display needs to be adjusted, so as to improve the user experience.
Specifically, it is necessary to determine the sensitivities of different regions of the display according to the sensitivity distribution diagram of the display, then determine the sensitivity correction parameters of the different regions of the display, and adapt the sensitivities of the different regions of the display according to the sensitivity correction parameters of the different regions of the display. The sensitivity of different sensitivity areas of the adapted display may be different, and the sensitivity of the areas with the same sensitivity may not be the same in the sensitivity distribution diagram. This is because, in the sensitivity distribution diagram, there are boundary regions between regions with the same sensitivity, and the sensitivities of the boundary regions need to refer to the sensitivity correction parameters of different sensitivity regions at the same time, so as to ensure that the adjusted sensitivities of different regions of the display at the user operation end have the same effect, and thus, a "jumping" feeling that the touch sensitivities of different regions of the same display are not the same does not occur.
Further, in step S20, the step of determining the calibration parameter according to the sensitivity profile of the touch system of the display includes:
step C1, acquiring a preset sensitivity of the display, and determining a preset induction capacitance variation of each capacitive sensor in the touch screen corresponding to the preset sensitivity;
and step C2, converting the preset induction capacitance variation according to the sensitivity distribution map to obtain a correction parameter.
When the sensitivity correction parameter is determined, the preset sensitivity of the display needs to be obtained first, and then, in the touch screen of the display, the corresponding sensing capacitance variation of each capacitive sensor is determined according to the preset sensitivity of the display, when the touch system triggers a touch operation instruction according to touch operation, that is, the trigger threshold of the sensing capacitance variation corresponding to the preset sensitivity. And correcting the trigger threshold of the induction capacitance variation when the touch system triggers the touch operation instruction according to the touch operation based on the trigger threshold of the capacitance sensor and the sensitivity distribution conditions of different areas after the deformation of the display, thereby obtaining a correction parameter. The correction parameter represents a specific value for increasing or decreasing the trigger threshold value corresponding to the touch system triggering the touch operation instruction according to the touch operation, and for increasing or decreasing the trigger threshold value, so that the sensitivity of the touch system of the display is adjusted to be within a proper range value. For example, for a certain position a in the third area shown in fig. 5, when a touch operation is performed at a point having a distance D from the position a, it is detected that the sensing capacitance variation corresponding to the sensing signal output by the touch system is E, and for a certain position B in the first area shown in fig. 5, when a touch operation is performed at a point having the same distance D from the position B, the sensing capacitance variation corresponding to the sensing signal output by the touch system is only E/2, and it can be considered that the sensitivity of the first area is different from that of the third area. However, the preset sensitivities of the displays are the same, and for the display after deformation, the same touch operation is performed at different positions, and a touch operation instruction may be triggered, or the touch operation instruction may not be triggered, so that the sensitivity of the touch system is abnormal. Therefore, different areas of the display need to be corrected according to the correction parameters, for example, when the trigger threshold at the position a is set to E/2, the trigger threshold at the position B is set to E/4, and when the capacitance sensing variation corresponding to the sensing signal output by the touch system according to the touch operation is greater than or equal to the corrected trigger threshold, the touch operation instruction is triggered, the effect of the touch operation performed by the user in the different sensitivity areas is the same, and the sensitivity experience of the user operation end is improved.
In the embodiment, a sensitivity distribution diagram of a touch system of a display is determined according to a deformation amount of the display by acquiring the deformation amount; and determining a correction parameter according to the sensitivity distribution diagram, and adapting the sensitivity of a touch system of the display according to the correction parameter. When the display deforms, the sensitivity of the touch system of the display is adjusted according to the deformation quantity of the display, the sensitivity of the touch system of the display is adjusted to a proper value, the problem that the sensitivity of the touch system of the display is abnormal due to physical deformation of the display is solved, and user experience is improved.
Further, on the basis of the above embodiments of the present invention, a second embodiment of the touch system adapting method of the present invention is provided.
The present embodiment is a step of refining step S20 in the first embodiment, and the difference between the present embodiment and the above-mentioned embodiments of the present invention is that the step of adapting the sensitivity of the touch system of the display according to the calibration parameters in step S20 is refined, and includes:
step D1, adjusting the sensitivity of different areas of the display to a target sensitivity corresponding to the correction parameter, and determining a target induction capacitance variation of each capacitive sensor in the touch screen corresponding to the target sensitivity;
step D2, selecting a plurality of target touch areas from the display, acquiring a first sensing signal output by the touch system when a touch operation is detected in the target touch areas, and determining a first sensing capacitance variation of each capacitive sensor in the touch screen corresponding to the first sensing signal;
step D3, determining whether the first sensing capacitance variation is greater than or equal to the target sensing capacitance variation, if not, adjusting the correction parameter, and returning to the step of adjusting the sensitivities of different areas of the display to the target sensitivities corresponding to the correction parameter, and determining the target sensing capacitance variation of each capacitive sensor in the touch screen corresponding to the target sensitivity, so as to adapt the sensitivity of the displayed touch system according to the correction parameter until the first sensing capacitance variation is greater than or equal to the target sensing capacitance variation.
Based on the foregoing embodiment, in this embodiment, when the sensitivity of the touch system of the display is adjusted according to the correction parameter of the display, the trigger thresholds of different areas after the deformation of the display are first adjusted according to the correction parameter of the display, so as to adjust the different areas of the display to the target sensitivity indicated by the correction parameter, and the target induced capacitance variation of each capacitive sensor in the touch screen of the display is determined according to the trigger threshold corresponding to the target sensitivity. As in the above embodiments, the trigger threshold in this embodiment is an induced capacitance variation of each capacitive sensor in the touch screen of the display when the touch system of the display triggers the touch operation instruction according to the touch operation.
Furthermore, after the sensitivities of different areas of the display are adjusted, a plurality of target touch areas are determined from the display, and a user can check whether the adjusted sensitivities of the display are abnormal or not by performing touch operation in the selected target touch areas. The target touch area can be determined according to the position of each capacitive sensor in the touch screen, and can also be determined according to different sensitivity distribution areas in the sensitivity distribution map. After the target touch area is determined, the user is prompted to perform a touch operation by outputting a flashing light spot or the like on the display to complete the adaptation. When the touch operation of a user is detected to be generated in a target touch area, acquiring a sensing signal output by a touch system according to the touch operation and a sensing capacitance variation of a capacitance sensor corresponding to the sensing signal, judging the magnitude relation between the acquired sensing capacitance variation and the target sensing capacitance variation corresponding to the target sensitivity, if the magnitude relation is smaller than the target sensing capacitance variation, adjusting a correction parameter, returning to the step of adjusting the sensitivity of different areas of the display to the target sensitivity corresponding to the correction parameter and determining the target sensing capacitance variation of each capacitance sensor in the touch screen corresponding to the target sensitivity, and readjusting the trigger threshold of the touch system in different areas of the display according to the adjusted correction parameter so as to readjust the sensitivity of the touch system of the display, and acquiring the touch operation of the user in the selected target touch area again, and acquiring the sensing signal output by the touch system according to the touch operation and the sensing capacitance variation corresponding to the capacitive sensor until the acquired sensing capacitance variation corresponding to the capacitive sensor is larger than the target sensing capacitance variation corresponding to the target sensitivity.
After the step D2, the method further includes:
step D4, fitting the first sensing signal and the deformation quantity of the display to determine the corresponding relation between the first sensing signal and the deformation quantity;
and D5, saving the corresponding relation, and when an adaptation instruction is detected, re-adapting the sensitivity of the touch system of the display based on the corresponding relation.
Furthermore, in order to ensure the normal use of the display after installation, in the production process of the display, the display is deformed according to the actual installation and use requirements, for example, the display of the assembled display product is hung obliquely towards the ground, or the display is made to face the ground and keep horizontal with the ground, and the display is deformed when placed for a preset time, wherein the preset time needs to be determined according to the material of the display, so as to ensure that the deformation degree of the display can reach the maximum deformation degree that the display can reach in the use function process. Then, according to the touch system debugging method provided by the embodiment of the application, the sensitivity of the touch system of the display is adjusted, the adjusted display is tested, and after the sensitivity of the touch system of the adjusted display meets the requirement, the subsequent delivery process is started. When the product for installing the touch display is used, the display is usually vertically arranged with the ground, or a sucking private enterprise is obliquely suspended towards the ground, so that the product with sensitivity adjusted in advance on the display can be directly installed and used, and in the using process, if the sensitivity of a touch system of the display is found to be abnormal, the sensitivity of the touch system of the display can be adjusted again.
Specifically, based on the above content of this embodiment, when the sensitivity of the touch system of the display is adjusted, the obtained sensing signal output by the touch system according to the touch operation is recorded, and the recorded sensing signal is fitted to the deformation of the display, so as to determine the corresponding relationship between the sensing signal output by the touch system and the deformation of the display, that is, the distance between the touch screen and the display screen, and the corresponding relationship between the sensing signal output by the touch system, where the corresponding relationship may be expressed by a functional expression, and may be linear or nonlinear. And storing the corresponding relation, when an adjustment instruction is detected and the sensitivity of the touch system of the display needs to be adjusted again, re-acquiring the deformation quantity of the display, quickly determining a correction parameter according to the re-acquired deformation quantity based on the corresponding relation, and adjusting the sensitivity of the touch system of the display.
In this embodiment, the problem of sensitivity abnormality of the touch system due to deformation of the display is solved by adapting the sensitivity of the touch system of the display, and in the adaptation process, the obtained sensing signal output by the touch system according to the touch operation is fitted with the deformation of the display, the corresponding relationship between the sensing signal output by the touch system according to the touch operation and the deformation of the display is determined, the corresponding relationship is stored, and when an adaptation instruction is detected, the correction parameter can be quickly determined according to the corresponding relationship and the sensitivity of the display, and the sensitivity of the touch system of the display can be adapted again, so that the adaptation efficiency is improved.
In addition, referring to fig. 6, an embodiment of the present invention further provides a touch system adapting device, including:
the detection module 10 is configured to acquire a deformation amount of a display, and determine a sensitivity distribution map of a touch system of the display according to the deformation amount;
an adapting module 20, configured to determine a correction parameter according to the sensitivity distribution map, and adapt the sensitivity of the touch system of the display according to the correction parameter.
Optionally, the detection module 10 is further configured to:
acquiring node capacitance between each capacitive sensor in the touch screen and the display screen;
determining a distance distribution diagram between the touch screen and the display screen according to the node capacitance;
and determining the deformation amount of the display according to the distance distribution map.
Optionally, the detection module 10 is further configured to:
and carrying out region division on the display according to the deformation quantity to obtain a sensitivity distribution diagram of the display, wherein the sensitivity distribution diagram corresponds to the induction capacitance variation of each capacitance sensor when touch operation is generated on the touch screen, and the touch system of the display outputs an induction signal according to the induction capacitance variation to respond to the touch operation generated on the touch screen.
Optionally, the adapting module 20 is further configured to:
acquiring preset sensitivity of the display, and determining preset induction capacitance variation of each capacitive sensor in the touch screen corresponding to the preset sensitivity;
and converting the preset induction capacitance variation according to the sensitivity distribution map to obtain a correction parameter.
Optionally, the adapting module 20 is further configured to:
adjusting the sensitivity of different areas of the display to a target sensitivity corresponding to the correction parameter, and determining a target induction capacitance variation of each capacitive sensor in the touch screen corresponding to the target sensitivity;
selecting a plurality of target touch areas from the display, acquiring a first induction signal output by the touch system when detecting that touch operation is generated in the target touch areas, and determining first induction capacitance variation of each capacitive sensor in the touch screen corresponding to the first induction signal;
and judging whether the first induction capacitance variation is larger than or equal to the target induction capacitance variation, if not, adjusting the correction parameter, returning to the step of adjusting the sensitivity of different areas of the display to the target sensitivity corresponding to the correction parameter and determining the target induction capacitance variation of each capacitive sensor in the touch screen corresponding to the target sensitivity, so as to adjust the sensitivity of the displayed touch system according to the correction parameter until the first induction capacitance variation is larger than or equal to the target induction capacitance variation.
Optionally, the adapting module 20 is further configured to:
fitting the first sensing signal and the deformation quantity of the display to determine a corresponding relation between the first sensing signal and the deformation quantity;
and saving the corresponding relation, and when an adaptation instruction is detected, re-adapting the sensitivity of the touch system of the display based on the corresponding relation.
Furthermore, an embodiment of the present invention further provides a computer-readable storage medium, where a touch system adaptation program is stored on the computer-readable storage medium, and when being executed by a processor, the touch system adaptation program implements the operations in the touch system adaptation method provided in the foregoing embodiments.
In addition, an embodiment of the present invention further provides a computer program product, which includes a computer program, and when executed by a processor, the computer program implements the operations in the touch system adapting method provided in the foregoing embodiments.
For the embodiments of the device, the computer program product, and the computer-readable storage medium of the present invention, reference may be made to the embodiments of the touch system adapting method of the present invention, which are not described herein again.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity/action/object from another entity/action/object without necessarily requiring or implying any actual such relationship or order between such entities/actions/objects; the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
For the apparatus embodiment, since it is substantially similar to the method embodiment, it is described relatively simply, and reference may be made to some descriptions of the method embodiment for relevant points. The above-described apparatus embodiments are merely illustrative, in that elements described as separate components may or may not be physically separate. Some or all of the modules can be selected according to actual needs to achieve the purpose of the scheme of the invention. One of ordinary skill in the art can understand and implement it without inventive effort.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solution of the present invention may be substantially or partially embodied in the form of a software product, where the computer software product is stored in a storage medium (e.g., ROM/RAM, magnetic disk, optical disk) as described above, and includes instructions for enabling a terminal device (e.g., a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the touch system adapting method according to the embodiments of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A touch system adapting method is applied to a touch system of a display, and comprises the following steps:
the method comprises the steps of obtaining deformation of a display, and determining a sensitivity distribution diagram of a touch system of the display according to the deformation;
and determining a correction parameter according to the sensitivity distribution diagram, and adapting the sensitivity of a touch system of the display according to the correction parameter.
2. The touch system adapting method according to claim 1, wherein the display includes a display screen and a capacitive touch screen, the touch screen includes a capacitive sensor, and the step of acquiring the deformation amount of the display includes:
acquiring node capacitance between each capacitive sensor in the touch screen and the display screen;
determining a distance distribution diagram between the touch screen and the display screen according to the node capacitance;
and determining the deformation amount of the display according to the distance distribution map.
3. The touch system adaptation method according to claim 2, wherein the step of determining the sensitivity profile of the display according to the deformation amount comprises:
and carrying out region division on the display according to the deformation quantity to obtain a sensitivity distribution diagram of the display, wherein the sensitivity distribution diagram corresponds to the induction capacitance variation of each capacitance sensor when touch operation is generated on the touch screen, and the touch system of the display outputs an induction signal according to the induction capacitance variation to respond to the touch operation generated on the touch screen.
4. The touch system adaptation method according to claim 3, wherein the step of determining the correction parameter according to the sensitivity profile comprises:
acquiring preset sensitivity of the display, and determining preset induction capacitance variation of each capacitive sensor in the touch screen corresponding to the preset sensitivity;
and converting the preset induction capacitance variation according to the sensitivity distribution map to obtain a correction parameter.
5. The touch system adapting method according to claim 4, wherein the adapting the sensitivity of the touch system of the display according to the correction parameter comprises:
adjusting the sensitivity of different areas of the display to a target sensitivity corresponding to the correction parameter, and determining a target induction capacitance variation of each capacitive sensor in the touch screen corresponding to the target sensitivity;
selecting a plurality of target touch areas from the display, acquiring a first induction signal output by the touch system when detecting that touch operation is generated in the target touch areas, and determining first induction capacitance variation of each capacitive sensor in the touch screen corresponding to the first induction signal;
and judging whether the first induction capacitance variation is larger than or equal to the target induction capacitance variation, if not, adjusting the correction parameter, returning to the step of adjusting the sensitivity of different areas of the display to the target sensitivity corresponding to the correction parameter and determining the target induction capacitance variation of each capacitive sensor in the touch screen corresponding to the target sensitivity, so as to adjust the sensitivity of the displayed touch system according to the correction parameter until the first induction capacitance variation is larger than or equal to the target induction capacitance variation.
6. The touch system adapting method according to claim 5, wherein the step of acquiring a first sensing signal output by the touch system when the touch operation generated in the target touch area is detected, and determining a first sensing capacitance variation of each capacitive sensor in the touch screen corresponding to the first sensing signal further comprises:
fitting the first sensing signal and the deformation quantity of the display to determine a corresponding relation between the first sensing signal and the deformation quantity;
and saving the corresponding relation, and when an adaptation instruction is detected, re-adapting the sensitivity of the touch system of the display based on the corresponding relation.
7. A touch system adapting device, the touch system adapting device comprising:
the detection module is used for acquiring the deformation quantity of the display and determining the sensitivity distribution map of the touch system of the display according to the deformation quantity;
and the adapting module is used for determining a correction parameter according to the sensitivity distribution diagram and adapting the sensitivity of the touch system of the display according to the correction parameter.
8. A touch system adapting device, characterized in that the touch system adapting device comprises: memory, a processor and a touch system adaptation program stored on the memory and executable on the processor, the touch system adaptation program, when executed by the processor, implementing the steps of the touch system adaptation method according to any one of claims 1 to 6.
9. A computer-readable storage medium, having a touch system adaptation program stored thereon, which, when executed by a processor, implements the steps of the touch system adaptation method of any of claims 1 to 6.
10. A computer program product comprising a computer program, wherein the computer program, when executed by a processor, implements the steps of the touch system adaptation method according to any one of claims 1 to 6.
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