CN109164948A - A kind of touch screen electrostatic capacitance supplementary device, method and mobile terminal - Google Patents
A kind of touch screen electrostatic capacitance supplementary device, method and mobile terminal Download PDFInfo
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- CN109164948A CN109164948A CN201811150417.0A CN201811150417A CN109164948A CN 109164948 A CN109164948 A CN 109164948A CN 201811150417 A CN201811150417 A CN 201811150417A CN 109164948 A CN109164948 A CN 109164948A
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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 present invention provides a kind of touch screen electrostatic capacitance supplementary device, method and mobile terminals, belong to field of communication technology.Wherein, the touch screen electrostatic capacitance compensation device, comprising: touch screen electrostatic capacitance, compensating electric capacity mould group, detection module, control module；The touch screen electrostatic capacitance is connect with the compensating electric capacity mould group and the detection module respectively, and the control module is connect respectively with the detection module and the compensating electric capacity mould group；Wherein, the detection module, for detecting the capacitance of the touch screen electrostatic capacitance；The control module, for when the capacitance not within a preset range in the case where, control the compensating electric capacity mould group, the capacitance of the touch screen electrostatic capacitance compensated, so that the capacitance meets the preset range.The touch screen electrostatic capacitance supplementary device of the embodiment of the present invention can make the sensitivity of the screen preferable, meanwhile, it can be to avoid false triggering screen the problem of, improves the user experience.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of touch screen electrostatic capacitance supplementary device, method and
Mobile terminal.
Background technique
As mobile terminal plays increasingly important role in people's lives, people use mobile terminal daily
Frequency is also higher and higher, and also more and more closely, user is often by touching for daily life and work and the relationship of mobile terminal
The touch control operation of screen is touched to operate mobile terminal.
In existing mobile terminal, the touch-control behaviour of user on mobile terminals is often incuded using capacitive touch screen
Make.The working principle of capacitive touch screen are as follows: multiple sensing units are arranged in the touch screen of mobile terminal, it is each to incude
The total capacitance value Cs of unit can be by the induction of the touch control operation triggering of the electrostatic capacitance value Cp and user of capacitive sensing device itself
Capacitance Cf is added to obtain.It in practical applications, then can be with when the total capacitance value Cs of sensing unit increases to the threshold value of setting
Think to be triggered on the corresponding region of the sensing unit.
However, in existing capacitive touch screen, with the extension of use time, or for a long time in high fever, low temperature ring
Capacitive touch screen is used in border, the electrostatic capacitance value Cp of capacitive sensing device itself may change, in this way, often
The sensitivity for reducing capacitive touch screen, alternatively, the problem of being easy to cause false triggering screen, seriously affects user experience.
Summary of the invention
The present invention provides a kind of touch screen electrostatic capacitance supplementary device, method and mobile terminal, to solve touch screen electrostatic capacitance
Capacitance when changing, the sensitivity of capacitive touch screen is often reduced, alternatively, being easy to cause false triggering screen
Problem.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
In a first aspect, being applied to mobile terminal, packet the embodiment of the invention provides a kind of touch screen electrostatic capacitance compensation device
It includes: touch screen electrostatic capacitance, compensating electric capacity mould group, detection module, control module；
The touch screen electrostatic capacitance is connect with the compensating electric capacity mould group and the detection module respectively, the control mould
Block is connect respectively with the detection module and the compensating electric capacity mould group；Wherein,
The detection module, for detecting the capacitance of the touch screen electrostatic capacitance；
The control module, for when the capacitance not within a preset range in the case where, control the compensating electric capacity
Mould group compensates the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets the preset range.
Second aspect, the embodiment of the invention provides a kind of touch screen electrostatic capacitance compensation methodes, are used for preceding claim
Touch screen electrostatic capacitance compensation device, which comprises
Detect the capacitance of touch screen electrostatic capacitance；
When the capacitance not within a preset range in the case where, compensating electric capacity mould group is controlled, to touch screen electrostatic electricity
The capacitance of appearance compensates, so that the capacitance meets the preset range.
The third aspect the embodiment of the invention provides a kind of mobile terminal, including processor, memory and is stored in described
It is real when the computer program is executed by the processor on memory and the computer program that can run on the processor
The step of now touch screen electrostatic capacitance compensation method as described in second aspect.
Fourth aspect, the embodiment of the invention provides a kind of computer readable storage mediums, which is characterized in that the calculating
Computer program is stored on machine readable storage medium storing program for executing, is realized as described in second aspect when the computer program is executed by processor
Touch screen electrostatic capacitance compensation method the step of.
In embodiments of the present invention, the detection module can be used for detecting the capacitance of touch screen electrostatic capacitance, the control
Molding block, can be used for when the capacitance not within a preset range in the case where, control compensating electric capacity mould group, to the touch screen
The capacitance of electrostatic capacitance compensates, so that the capacitance meets the preset range.In practical applications, by described
Compensating electric capacity mould group compensates the capacitance of touch screen electrostatic capacitance, so that the capacitance meets the preset range, into
And so that the sensitivity of the screen is preferable, meanwhile, it can be to avoid false triggering screen the problem of, improves the user experience.
Detailed description of the invention
Fig. 1 is one of the schematic diagram of electrostatic capacitance compensation device provided in an embodiment of the present invention；
Fig. 2 is the two of the schematic diagram of electrostatic capacitance compensation device provided in an embodiment of the present invention；
Fig. 3 is the capacitance of switchable capacitive module provided in an embodiment of the present invention and the relational graph of voltage；
Fig. 4 is one of the flow chart of touch screen electrostatic capacitance compensation method provided in an embodiment of the present invention；
Fig. 5 is the two of the flow chart of touch screen electrostatic capacitance compensation method provided in an embodiment of the present invention；
Fig. 6 is one of the schematic diagram of touch screen electrostatic capacitance compensation circuit provided in an embodiment of the present invention；
Fig. 7 is the two of the schematic diagram of touch screen electrostatic capacitance compensation circuit provided in an embodiment of the present invention；
A kind of hardware structural diagram of Fig. 8 mobile terminal of each embodiment to realize the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one
Fig. 1 is one of the schematic diagram of electrostatic capacitance compensation device provided in an embodiment of the present invention, is applied to mobile terminal, tool
Body may include: touch screen electrostatic capacitance 10, compensating electric capacity mould group 11, detection module 12, control module 13；Touch screen electrostatic capacitance 10
Connect respectively with compensating electric capacity mould group 11 and detection module 12, control module 13 respectively with detection module 12 and compensating electric capacity
Mould group 11 connects；Wherein, detection module 12 can be used for detecting the capacitance of touch screen electrostatic capacitance 10；Control module 13, can be with
For when the capacitance not within a preset range in the case where, control compensating electric capacity mould group 11, to touch screen electrostatic capacitance 10
Capacitance compensates, so that the capacitance meets the preset range.In the embodiment of the present invention, compensating electric capacity can be passed through
Mould group 11 compensates the capacitance of touch screen electrostatic capacitance 10, so that the capacitance meets the preset range, in this way, can
So that the sensitivity of screen is preferable, meanwhile, it can be to avoid false triggering screen the problem of, improves the user experience.
In the embodiment of the present invention, touch screen electrostatic capacitance 10, which can be set, to be touched below screen, when touch screen electrostatic capacitance
When 10 capacitance meets the preset range, the sensitivity for touching screen can be made preferable, meanwhile, it can be to avoid accidentally
The problem of triggering screen.
In practical applications, the preset range can be set according to the actual situation.Usual touch screen electrostatic capacitance 10
Initial capacitance value can be Cp, the preset range can be Cp ± △ C, the occurrence of △ C can according to the actual situation into
Row setting.
Specifically, when the capacitance of touch screen electrostatic capacitance 10 meets the preset range, it is believed that touch screen electrostatic electricity
Holding 10 can work normally.In this case, it is compensated without the capacitance to touch screen electrostatic capacitance 10, in practical application
In, it is controlled by control module 13 and is disconnected between compensating electric capacity mould group 11 and touch screen electrostatic capacitance 10.
In the embodiment of the present invention, when touch screen electrostatic capacitance 10 capacitance not within a preset range in the case where, control mould
Block 13 can control compensating electric capacity mould group 11, compensate to the capacitance of touch screen electrostatic capacitance 10, so that the capacitance is full
The foot preset range.In this way, the sensitivity of touch screen electrostatic capacitance 11 can be made preferable, meanwhile, it can be to avoid false triggering screen
It the problem of curtain, improves the user experience.
To sum up, touch screen electrostatic capacitance compensation device described in the embodiment of the present invention has at least the following advantages:
In the embodiment of the present invention, the detection module can be used for detecting the capacitance of touch screen electrostatic capacitance, the control
Module, can be used for when the capacitance not within a preset range in the case where, control compensating electric capacity mould group, it is quiet to the touch screen
The capacitance of capacitor compensates, so that the capacitance meets the preset range.In practical applications, pass through the benefit
Electric capacity module is repaid to compensate the capacitance of touch screen electrostatic capacitance, so that the capacitance meets the preset range, in turn,
So that the sensitivity of the screen is preferable, meanwhile, it can be to avoid false triggering screen the problem of, improves the user experience.
Embodiment two
Fig. 2 is the two of the schematic diagram of electrostatic capacitance compensation device provided in an embodiment of the present invention, on the basis of embodiment one
On, in device shown in Fig. 2, compensating electric capacity mould group 11 may include: the first switchable capacitive module 111 and the second variable capacitance
Module 112, the first switchable capacitive module 111 are connected in series with touch screen electrostatic capacitance 10, the second switchable capacitive module 112 and touch screen
Electrostatic capacitance 10 is connected in parallel.
Control module 13 may include: the first control submodule 131, for being greater than the preset range when the capacitance
Maximum value in the case where, control the first switchable capacitive module 111, decrement benefit is carried out to the capacitance of touch screen electrostatic capacitance 10
It repays, so that the capacitance meets the preset range.Second control submodule 132, described in being less than when the capacitance
In the case where the minimum value of preset range, the second switchable capacitive module 112 is controlled, the capacitance of touch screen electrostatic capacitance 10 is carried out
Increment compensation, so that the capacitance meets the preset range.
In practical applications, it when the capacitance of touch screen electrostatic capacitance 10 is greater than the maximum value of the preset range, is easy
The problem of leading to false triggering screen.In the embodiment of the present invention, it is greater than the feelings of the maximum value of the preset range in the capacitance
Under condition, the first control submodule 131 can control the first switchable capacitive module 111, to the capacitance of touch screen electrostatic capacitance 10 into
Row decrement compensation in turn, can be to avoid false triggering screen the problem of, improves so that the capacitance meets the preset range
User experience.
In practical applications, it when the capacitance of touch screen electrostatic capacitance 10 is less than the maximum value of the preset range, is easy
Cause touch screen sensitivity it is poor the problem of.In the embodiment of the present invention, it is less than the preset range in the capacitance
Minimum value in the case where, the second control submodule 132 can control the second switchable capacitive module 112, to touch screen electrostatic capacitance
10 capacitance, which carries out increment compensation, in turn, can make the touch screen so that the capacitance meets the preset range
The sensitivity of curtain is preferable.
In the embodiment of the present invention, touch screen electrostatic capacitance test point 14, capacitance detecting point can be equipped on the mobile terminal
14 connect with the first end of touch screen electrostatic capacitance 10；First second end of the switchable capacitive module 111 based on touch screen electrostatic capacitance 10,
It is connected in series with touch screen electrostatic capacitance 10；Second first end of the switchable capacitive module 112 based on touch screen electrostatic capacitance 10, with touch screen
Electrostatic capacitance 10 is connected in parallel；Detection module 12 may include: detection submodule 121, and detection sub-module 121 can be used for passing through electricity
Hold the capacitance that test point 14 detects touch screen electrostatic capacitance 10.
In practical applications, the capacitance of the first switchable capacitive module 111 can be indicated with C1, the second switchable capacitive module
112 capacitance of itself can indicate that the capacitance of touch screen electrostatic capacitance 10 can be indicated with C0 with C2, capacitance detecting point 14
The capacitance (equivalent capacitance value) of the touch screen electrostatic capacitance 10 detected can be indicated with C.
In the first second end of the switchable capacitive module 111 based on touch screen electrostatic capacitance 10, connect with touch screen electrostatic capacitance 10
In the case where connection, according to the Computing Principle of series capacitance, it can be deduced that following formula:
It can be seen from formula 1 under the first variable capacitance mould group 111 and the concatenated situation of touch screen electrostatic capacitance 10, electricity
It is smaller than the capacitance C0 of touch screen electrostatic capacitance 10 itself to hold the equivalent capacitance value C that test point 14 detects.That is,
One variable capacitance mould group 111 is in the concatenated situation of touch screen electrostatic capacitance 10, and the first switchable capacitive module 111 is to touch screen electrostatic electricity
The capacitance for holding 10 has carried out decrement compensation.
It is in parallel with touch screen electrostatic capacitance 10 in the second first end of the switchable capacitive module 112 based on touch screen electrostatic capacitance 10
In the case where connection, according to the Computing Principle of shunt capacitance, it can be deduced that following formula:
C=C0+C2 (2)
It can be seen from formula 2 in the case where the second variable capacitance mould group 112 is in parallel with touch screen electrostatic capacitance 10, electricity
It is bigger than the capacitance C0 of touch screen electrostatic capacitance 10 itself to hold the equivalent capacitance value C that test point 14 detects.That is,
In the case that two variable capacitance mould groups 112 are in parallel with touch screen electrostatic capacitance 10, the second switchable capacitive module 112 is to touch screen electrostatic electricity
The capacitance for holding 10 has carried out increment compensation.
In the embodiment of the present invention, the compensating electric capacity mould group can also include: first switch 113 and second switch 114；Its
In, first switch 113 is connect with the first switchable capacitive module 111 and touch screen electrostatic capacitance module 10 respectively；Second switch 114
It is connect respectively with the second switchable capacitive module 112 and touch screen electrostatic capacitance module 10.
First control submodule 131 is connect with first switch 113, can be used for being greater than the default model when the capacitance
In the case where the maximum value enclosed, control first switch 113 is connected, by the first switchable capacitive module 111 to touch screen electrostatic capacitance
The capacitance of module 10 carries out decrement compensation, so that the capacitance meets the preset range.
Second control submodule 132 is connect with second switch 114, can be used for when the capacitance is greater than described pre-
If in the case where the maximum value of range, control second switch 114 is connected, by the second switchable capacitive module 112 to touch screen electrostatic
The capacitance of capacitance module 10 carries out increment compensation, so that the capacitance meets the preset range.
In the embodiment of the present invention, compensating electric capacity mould group 11 can also include: voltage control module 115；Voltage control module
115 connect with the first switchable capacitive module 111 and the second switchable capacitive module 112 respectively.
First control submodule 131 is connect with voltage control module 115, for being greater than the default model when the capacitance
In the case where the maximum value enclosed, believed by the first voltage that voltage control module 115 is exported to the first switchable capacitive module 111
Number, the first switchable capacitive module 111 of control carries out decrement compensation to the capacitance of touch screen electrostatic capacitance 10, so that the capacitance
Meet the preset range.
Second control submodule 132 is connect with voltage control module 115, for being less than the default model when the capacitance
In the case where the minimum value enclosed, the second voltage signal exported by the voltage module to second switchable capacitive module,
It controls the second variable capacitance 112 and increment compensation is carried out to the capacitance of touch screen electrostatic capacitance 10, so that the capacitance meets institute
State preset range.
In practical applications, due to electricity that the capacitance of each switchable capacitive module can be exported by voltage control module 115
Press the size of signal related.
Fig. 3 is the capacitance of switchable capacitive module provided in an embodiment of the present invention and the relational graph of voltage, as shown in figure 3,
The voltage value V that the capacitance CV of switchable capacitive module and voltage control module 115 export at curve relationship.Therefore, in reality
In, the first variable capacitance can be can control by the occurrence for the voltage value V that control voltage control module 115 exports
The specific capacitance of module 111, the second switchable capacitive module 112.
For example, if voltage control module 115 export voltage value V be 12 volts when, the capacitor of corresponding variable capacitance mould group
Value can be 1 pico farad.Then in specific application, when the capacitance C1 needed for the first switchable capacitive module 111 is 1 pico farad,
The voltage value for the first voltage signal that control voltage control module 115 is exported to the first switchable capacitive module 111 is 12 volts.
Similarly, when the capacitance C2 needed for the second switchable capacitive module 112 is 1 pico farad, control voltage control module 115 to second can
Become the voltage value for the second voltage signal that capacitance module 112 exports as 12 volts.
In practical applications, after the capacitance that detection module 12 detects touch screen electrostatic capacitance 10.When the capacitance
In the case where maximum value greater than the preset range, the first control submodule 131 of control module 13 can control first and open
113 conductings, and first voltage signals export to the first switchable capacitive module 111 by voltage control module 115 are closed, control the
One switchable capacitive module 111 carries out decrement compensation to the capacitance of touch screen electrostatic capacitance 10, so that described in capacitance satisfaction
Preset range.In the case where the minimum value that the capacitance is less than the preset range, the second control of control module 13
Module 132 can control the conducting of second switch 114, and be exported by voltage control module 115 to the second switchable capacitive module 112
Second voltage signal, the second switchable capacitive module 112 of control carries out increment compensation to the capacitance of touch screen electrostatic capacitance 10, with
The capacitance is set to meet the preset range.
It may include: the first ground terminal in compensating electric capacity mould group 11 to meet the needs of ground connection in the embodiment of the present invention
116, the second ground terminal 117 and third ground terminal 118；Wherein, first ground terminal 116 and the first switchable capacitive module
111 connections, the second ground terminal 117 are connect with the second switchable capacitive module 112, and third ground terminal 118 can pass through first switch
113 connect with touch screen electrostatic capacitance 10.
In practical applications, when the capacitance of touch screen electrostatic capacitance 10 be greater than the preset range maximum value the case where
Under, touch screen electrostatic capacitance 10 can be grounded by the first ground terminal 116.When the capacitance of touch screen electrostatic capacitance 10 is less than described pre-
If in the case where the minimum value of range, touch screen electrostatic capacitance 10 can be grounded by the second ground terminal 117.When touch screen electrostatic capacitance
In the case that 10 capacitance meets the preset range, touch screen electrostatic capacitance 10 can be grounded by third ground terminal 118.
To sum up, touch screen electrostatic capacitance compensation device described in the embodiment of the present invention has at least the following advantages:
In the embodiment of the present invention, the detection module can be used for detecting the capacitance of touch screen electrostatic capacitance.In the electricity
In the case that capacitance is greater than the maximum value of the preset range, the first control submodule of the control module can control described
First switchable capacitive module carries out decrement compensation to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets institute
Preset range is stated, in turn, can be to avoid false triggering screen the problem of, is improved the user experience.It is less than institute in the capacitance
In the case where the minimum value for stating preset range, the second control submodule of the control module can control described second can power transformation
Molar block carries out increment compensation to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets the preset range,
In turn, the sensitivity for touching screen can be made preferable, improve user experience.
Embodiment three
Fig. 4 is one of the flow chart of touch screen electrostatic capacitance compensation method provided in an embodiment of the present invention, as shown in figure 4, should
Method can be applied to mobile terminal, and this method may include:
Step 401: the capacitance of detection touch screen electrostatic capacitance.
In the embodiment of the present invention, the capacitance of touch screen electrostatic capacitance can be detected by detection module.
Step 402: when the capacitance not within a preset range in the case where, control compensating electric capacity mould group, to the touching
The capacitance of screen electrostatic capacitance compensates, so that the capacitance meets the preset range.
In the embodiment of the present invention, touch screen electrostatic capacitance 10, which can be set, to be touched below screen, when touch screen electrostatic capacitance
When 10 capacitance meets the preset range, the sensitivity for touching screen can be made preferable, meanwhile, it can be to avoid accidentally
The problem of triggering screen.
In practical applications, the preset range can be set according to the actual situation.The usually described touch screen electrostatic electricity
The initial capacitance value of appearance can be Cp, and the preset range can be Cp ± △ C, and the occurrence of △ C can be according to the actual situation
It is set.
Specifically, when the capacitance of the touch screen electrostatic capacitance meets the preset range, it is believed that the touch screen
Electrostatic capacitance can work normally.In this case, it is compensated without the capacitance to the touch screen electrostatic capacitance.
In the embodiment of the present invention, when the touch screen electrostatic capacitance capacitance not within a preset range in the case where, can be with
Control compensating electric capacity mould group compensates the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets described preset
Range.In this way, the sensitivity of the touch screen electrostatic capacitance can be made preferable, meanwhile, can be to avoid false triggering screen the problem of,
It improves the user experience.
To sum up, touch screen electrostatic capacitance compensation method described in the embodiment of the present invention has at least the following advantages:
In touch screen electrostatic capacitance compensation method described in the embodiment of the present invention, the touch screen electrostatic capacitance can be first detected
Capacitance, when the capacitance not within a preset range in the case where, can control compensating electric capacity mould group, to the touch screen electrostatic
The capacitance of capacitor compensates, so that the capacitance meets the preset range.In practical applications, pass through the compensation
Electric capacity module compensates the capacitance of touch screen electrostatic capacitance, so that the capacitance meets the preset range, in turn, makes
The screen sensitivity it is preferable, meanwhile, can be to avoid false triggering screen the problem of, improve the user experience.
Example IV
Fig. 5 is the two of the flow chart of touch screen electrostatic capacitance compensation method provided in an embodiment of the present invention, as shown in figure 5, should
Method can be applied to mobile terminal, and this method may include:
Step 501: the capacitance of the touch screen electrostatic capacitance is detected by the capacitance detecting point.
In the embodiment of the present invention, the compensating electric capacity mould group may include: that the first switchable capacitive module and second are variable
Capacitance module, first switchable capacitive module and the touch screen electrostatic capacitance are connected in series, second switchable capacitive module
It is connected in parallel with the touch screen electrostatic capacitance.
The mobile terminal is equipped with touch screen electrostatic capacitance test point, the capacitance detecting point and the touch screen electrostatic capacitance
First end connection；Second end of first switchable capacitive module based on the touch screen electrostatic capacitance, with the touch screen electrostatic
Capacitor is connected in series；First end of second switchable capacitive module based on the touch screen electrostatic capacitance, with the touch screen electrostatic
Capacitor is connected in parallel.
In the embodiment of the present invention, the capacitance of the touch screen electrostatic capacitance is the touching that the capacitance detecting point detects
Shield the capacitance of electrostatic capacitance.
Step 502: in the case where the maximum value that the capacitance is greater than the preset range, it is variable to control described first
Capacitance module carries out decrement compensation to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets the default model
It encloses.
In the embodiment of the present invention, since first switchable capacitive module and the touch screen electrostatic capacitance are connected in series, because
This can control first switchable capacitive module in the case where the capacitance is greater than the maximum value of the preset range,
Decrement compensation is carried out to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets the preset range, it in turn, can
It the problem of to avoid false triggering screen, improves the user experience.
Optionally, the compensating electric capacity mould group can also include: first switch and the second switch；The first switch difference
It is connect with first switchable capacitive module and the touch screen electrostatic capacitance module；The second switch is respectively with described second
Switchable capacitive module and touch screen electrostatic capacitance module connection.
In practical applications, in the case where the maximum value that the capacitance is greater than the preset range, described the is controlled
The conducting of one switch module, is reduced by capacitance of first switchable capacitive module to the touch screen electrostatic capacitance module
Compensation, so that the capacitance meets the preset range.
Optionally, the compensating electric capacity mould group can also include: voltage control module；The voltage control module respectively with
First switchable capacitive module and the connection of the second switchable capacitive module.
In practical applications, in the case where the maximum value that the capacitance is greater than the preset range, pass through the electricity
The first voltage signal that die block is exported to first switchable capacitive module controls first variable capacitance to the touch screen
The capacitance of electrostatic capacitance carries out decrement compensation, so that the capacitance meets the preset range.
Step 503: in the case where the minimum value that the capacitance is less than the preset range, it is variable to control described second
Capacitance module carries out increment compensation to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets the default model
It encloses.
In the embodiment of the present invention, since second switchable capacitive module and the touch screen electrostatic capacitance are connected in parallel, because
This can control second switchable capacitive module in the case where the capacitance is less than the minimum value of the preset range,
Increment compensation is carried out to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets the preset range, it in turn, can
So that the sensitivity for touching screen is preferable, user experience is improved.
In practical applications, due to the second switch of the compensating electric capacity mould group respectively with second switchable capacitive module
And the touch screen electrostatic capacitance module connection.Therefore, when the capacitance be less than the preset range minimum value the case where
Under, control second switch module conducting, by second switchable capacitive module to the capacitor of the touch screen electrostatic capacitance module
Value carries out increment compensation, so that the capacitance meets the preset range.
In the embodiment of the present invention, since the voltage control module of the compensating electric capacity mould group and the second switchable capacitive module connect
It connects.It therefore, can be by the voltage module to institute in the case where the minimum value that the capacitance is less than the preset range
The second voltage signal of the second switchable capacitive module output is stated, controls second variable capacitance to the touch screen electrostatic capacitance
Capacitance carries out increment compensation, so that the capacitance meets the preset range.
To sum up, touch screen electrostatic capacitance compensation method described in the embodiment of the present invention has at least the following advantages:
In touch screen electrostatic capacitance compensation method described in the embodiment of the present invention, the capacitor of touch screen electrostatic capacitance can be first detected
Value.In the case where the capacitance is greater than the maximum value of the preset range, first switchable capacitive module can control,
Decrement compensation is carried out to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets the preset range, it in turn, can
It the problem of to avoid false triggering screen, improves the user experience.It is less than the minimum value of the preset range in the capacitance
In the case where, it can control second switchable capacitive module, increment compensation carried out to the capacitance of the touch screen electrostatic capacitance,
So that the capacitance meets the preset range, in turn, the sensitivity for touching screen can be made preferable, improve user
Experience.
Embodiment five
Fig. 6 is one of the schematic diagram of touch screen electrostatic capacitance compensation circuit provided in an embodiment of the present invention, as shown in fig. 6, should
Circuit may include: touch screen electrostatic capacitance 60, compensating electric capacity mould group 61；Wherein, touch screen electrostatic capacitance 60 and compensating electric capacity mould group
61 connections；Compensating electric capacity mould group 61, can be used for after receiving control instruction, carry out to the capacitance of touch screen electrostatic capacitance 60
Compensation, so that the capacitance meets the preset range.
In the embodiment of the present invention, the control instruction can be issued by the control module of the mobile terminal.Specifically, institute
It states in mobile and is also provided with detection module, the detection module can be used for detecting the capacitance of the touch screen electrostatic capacitance.
The control module can be connect with the detection module, in the capacitance that the detection module detects not in default model
In the case where in enclosing, the control module can issue the control instruction, and compensating electric capacity mould group 61 is receiving the control
After instruction, the capacitance of touch screen electrostatic capacitance 60 can be compensated, so that the capacitance meets the preset range.
In practical applications, the preset range can be set according to the actual situation.The usually described touch screen electrostatic electricity
The initial capacitance value of appearance can be Cp, and the preset range can be Cp ± △ C, and the occurrence of △ C can be according to the actual situation
It is set.
Specifically, when the capacitance of touch screen electrostatic capacitance 60 meets the preset range, it is believed that touch screen electrostatic electricity
Holding 60 can work normally.In this case, it is compensated without the capacitance to touch screen electrostatic capacitance 60.
In the embodiment of the present invention, when touch screen electrostatic capacitance 60 capacitance not within a preset range in the case where, compensation electricity
Molar group 61 can compensate the capacitance of touch screen electrostatic capacitance 60, so that the capacitance meets the preset range.
In this way, the sensitivity of touch screen electrostatic capacitance 60 can be made preferable, meanwhile, it can be to avoid false triggering screen the problem of, improves and uses
Family usage experience.
To sum up, touch screen electrostatic capacitance compensation circuit described in the embodiment of the present invention has at least the following advantages:
In touch screen electrostatic capacitance compensation circuit described in the embodiment of the present invention, the touch screen electrostatic capacitance and compensation electricity
The connection of molar group；The compensating electric capacity mould group can be used for after receiving control instruction, to the electricity of the touch screen electrostatic capacitance
Capacitance compensates, so that the capacitance meets the preset range.In practical applications, pass through the compensating electric capacity mould
Group compensates the capacitance of touch screen electrostatic capacitance, so that the capacitance meets the preset range, in turn, can make
The sensitivity of the screen is preferable, meanwhile, it can be to avoid false triggering screen the problem of, improves the user experience.
Embodiment six
Fig. 7 is the two of the schematic diagram of touch screen electrostatic capacitance compensation circuit provided in an embodiment of the present invention, as shown in fig. 7, should
Circuit may include: touch screen electrostatic capacitance 60, compensating electric capacity mould group 61；The compensating electric capacity mould group may include: first variable
Capacitance module 611 and the second switchable capacitive module 612；Wherein, the first switchable capacitive module 611 is gone here and there with touch screen electrostatic capacitance 60
Connection connection, can be used for after receiving the control instruction, carries out decrement compensation to the capacitance of touch screen electrostatic capacitance 60, with
The capacitance is set to meet the preset range；Second switchable capacitive module 612 is connected in parallel with touch screen electrostatic capacitance 60, is used for
After receiving the control instruction, increment compensation is carried out to the capacitance of touch screen electrostatic capacitance 60, so that the capacitance is full
The foot preset range.
In the embodiment of the present invention, since the first switchable capacitive module 611 is connected in series with touch screen electrostatic capacitance 60,
In the case where the capacitance is greater than the maximum value of the preset range, the first switchable capacitive module 611 can be quiet to touch screen
The capacitance of capacitor 60 carries out decrement compensation, so that the capacitance meets the preset range, it in turn, can be to avoid accidentally touching
The problem of sending out screen, improves the user experience.Since the second switchable capacitive module 612 is in parallel with touch screen electrostatic capacitance 60 even
It connects, therefore, in the case where the capacitance is less than the minimum value of the preset range, the second switchable capacitive module 612 can be with
Increment compensation is carried out to the capacitance of touch screen electrostatic capacitance 60, it, in turn, can be with so that the capacitance meets the preset range
So that the sensitivity for touching screen is preferable, user experience is improved.
In the embodiment of the present invention, it is also provided with touch screen electrostatic capacitance test point 62 in the mobile terminal, can be used for
Detect the capacitance of touch screen electrostatic capacitance 60；Capacitance detecting point 62 is connect with the first end of touch screen electrostatic capacitance 60；First is variable
Second end of the capacitance module 611 based on touch screen electrostatic capacitance 60 is connected in series with touch screen electrostatic capacitance 60；Second variable capacitance mould
First end of the block 612 based on touch screen electrostatic capacitance 60, is connected in parallel with touch screen electrostatic capacitance 60.
Optionally, compensating electric capacity mould group 61 can also include: first switch 613 and second switch 614；Wherein, it first opens
613 are closed to connect with the first switchable capacitive module 611 and touch screen electrostatic capacitance 60 respectively；Second switch 614 respectively can with second
Become capacitance module 612 and the connection of 60 module of touch screen electrostatic capacitance.
Optionally, compensating electric capacity mould group 61 can also include: voltage control module 615；Voltage control module 615 respectively with
First switchable capacitive module 611 connection, for being exported to the first switchable capacitive module 611 after receiving the control instruction
First voltage signal, control the first switchable capacitive module 611 decrement compensation is carried out to the capacitance of touch screen electrostatic capacitance 60, with
The capacitance is set to meet the preset range.
Voltage control module 615 can also be connect with the second switchable capacitive module 612, for receive it is described control refer to
After order, it is quiet to touch screen to control the second switchable capacitive module 612 for the second voltage signal exported to the second switchable capacitive module 612
The capacitance of capacitor 60 carries out increment compensation, so that the capacitance meets the preset range.
It can also include: the first ground connection in compensating electric capacity mould group 61 to meet the needs of ground connection in the embodiment of the present invention
Hold the 616, second ground terminal 617 and third ground terminal 618；Wherein, the first ground terminal 616 and the first switchable capacitive module 611
Connection, the second ground terminal 617 are connect with the second switchable capacitive module 612, and third ground terminal 618 can pass through first switch 613
It is connect with touch screen electrostatic capacitance 60.
In practical applications, when the capacitance of touch screen electrostatic capacitance 60 be greater than the preset range maximum value the case where
Under, touch screen electrostatic capacitance 60 can be grounded by the first ground terminal 616.When the capacitance of touch screen electrostatic capacitance 60 is less than described pre-
If in the case where the minimum value of range, touch screen electrostatic capacitance 60 can be grounded by the second ground terminal 617.When touch screen electrostatic capacitance
In the case that 60 capacitance meets the preset range, touch screen electrostatic capacitance 60 can be grounded by third ground terminal 618.
To sum up, touch screen electrostatic capacitance compensation circuit described in the embodiment of the present invention has at least the following advantages:
In touch screen electrostatic capacitance compensation circuit described in the embodiment of the present invention, the touch screen electrostatic capacitance and compensation electricity
The connection of molar group.In the case where the capacitance is greater than the maximum value of the preset range, first switchable capacitive module
Decrement compensation can be carried out to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets the preset range, into
And can be to avoid false triggering screen the problem of, it improves the user experience.It is less than the preset range most in the capacitance
In the case where small value, second switchable capacitive module can carry out increment compensation to the capacitance of the touch screen electrostatic capacitance,
So that the capacitance meets the preset range, in turn, the sensitivity for touching screen can be made preferable, improve user
Experience.
A kind of hardware structural diagram of Fig. 8 mobile terminal of each embodiment to realize the present invention,
The mobile terminal 800 includes but is not limited to: radio frequency unit 801, network module 802, audio output unit 803, defeated
Enter unit 804, sensor 805, display unit 806, user input unit 807, interface unit 808, memory 809, processor
The components such as 810 and power supply 811.It will be understood by those skilled in the art that mobile terminal structure shown in Fig. 8 is not constituted pair
The restriction of mobile terminal, mobile terminal may include perhaps combining certain components or not than illustrating more or fewer components
Same component layout.In embodiments of the present invention, mobile terminal includes but is not limited to mobile phone, tablet computer, laptop, the palm
Upper computer, car-mounted terminal, wearable device and pedometer etc..
Wherein, processor 810, for detecting the capacitance of touch screen electrostatic capacitance.
Processor 810, for when the capacitance not within a preset range in the case where, control compensating electric capacity mould group, it is right
The capacitance of the touch screen electrostatic capacitance compensates, so that the capacitance meets the preset range.
In conclusion mobile terminal can first detect the capacitance of the touch screen electrostatic capacitance, when the capacitance does not exist
In the case where in preset range, it can control compensating electric capacity mould group, the capacitance of the touch screen electrostatic capacitance compensated, with
The capacitance is set to meet the preset range.In practical applications, by the compensating electric capacity mould group to touch screen electrostatic capacitance
Capacitance compensate so that the capacitance meets the preset range, in turn so that the sensitivity of the screen compared with
It is good, meanwhile, it can be to avoid false triggering screen the problem of, improves the user experience.
It should be understood that the embodiment of the present invention in, radio frequency unit 801 can be used for receiving and sending messages or communication process in, signal
Send and receive, specifically, by from base station downlink data receive after, to processor 810 handle；In addition, by uplink
Data are sent to base station.In general, radio frequency unit 801 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 801 can also by wireless communication system and network and other set
Standby communication.
Mobile terminal provides wireless broadband internet by network module 802 for user and accesses, and such as user is helped to receive
It sends e-mails, browse webpage and access streaming video etc..
Audio output unit 803 can be received by radio frequency unit 801 or network module 802 or in memory 809
The audio data of storage is converted into audio signal and exports to be sound.Moreover, audio output unit 803 can also be provided and be moved
The relevant audio output of specific function that dynamic terminal 800 executes is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 803 includes loudspeaker, buzzer and receiver etc..
Input unit 804 is for receiving audio or video signal.Input unit 804 may include graphics processor
(Graphics Processing Unit, GPU) 8041 and microphone 8042, graphics processor 8041 is in video acquisition mode
Or the image data of the static images or video obtained in image capture mode by image capture apparatus (such as camera) carries out
Reason.Treated, and picture frame may be displayed on display unit 806.Through graphics processor 8041, treated that picture frame can be deposited
Storage is sent in memory 809 (or other storage mediums) or via radio frequency unit 801 or network module 802.Mike
Wind 8042 can receive sound, and can be audio data by such acoustic processing.Treated audio data can be
The format output that mobile communication base station can be sent to via radio frequency unit 801 is converted in the case where telephone calling model.
Mobile terminal 800 further includes at least one sensor 805, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity sensor, wherein ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 8061, and proximity sensor can close when mobile terminal 800 is moved in one's ear
Display panel 8061 and/or backlight.As a kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axis) size of acceleration, it can detect that size and the direction of gravity when static, can be used to identify mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；It passes
Sensor 805 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared sensor etc. are spent, details are not described herein.
Display unit 806 is for showing information input by user or being supplied to the information of user.Display unit 406 can wrap
Display panel 8061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configure display panel 8061.
User input unit 807 can be used for receiving the number or character information of input, and generate the use with mobile terminal
Family setting and the related key signals input of function control.Specifically, user input unit 807 include touch panel 8071 and
Other input equipments 8072.Touch panel 8071, also referred to as touch screen collect the touch operation of user on it or nearby
(for example user uses any suitable objects or attachment such as finger, stylus on touch panel 8071 or in touch panel 8071
Neighbouring operation).Touch panel 8071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects touch operation bring signal, transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 810, receiving area
It manages the order that device 810 is sent and is executed.Furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Seed type realizes touch panel 8071.In addition to touch panel 8071, user input unit 807 can also include other input equipments
8072.Specifically, other input equipments 8072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, operating stick, details are not described herein.
Further, touch panel 8071 can be covered on display panel 8061, when touch panel 8071 is detected at it
On or near touch operation after, send processor 810 to determine the type of touch event, be followed by subsequent processing device 810 according to touching
The type for touching event provides corresponding visual output on display panel 8061.Although in fig. 8, touch panel 8071 and display
Panel 8061 is the function that outputs and inputs of realizing mobile terminal as two independent components, but in some embodiments
In, can be integrated by touch panel 8071 and display panel 8061 and realize the function that outputs and inputs of mobile terminal, it is specific this
Place is without limitation.
Interface unit 808 is the interface that external device (ED) is connect with mobile terminal 800.For example, external device (ED) may include having
Line or wireless head-band earphone port, external power supply (or battery charger) port, wired or wireless data port, storage card end
Mouth, port, the port audio input/output (I/O), video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 808 can be used for receiving the input (for example, data information, electric power etc.) from external device (ED) and
By one or more elements that the input received is transferred in mobile terminal 800 or can be used in 800 He of mobile terminal
Data are transmitted between external device (ED).
Memory 809 can be used for storing software program and various data.Memory 809 can mainly include storing program area
The storage data area and, wherein storing program area can (such as the sound of application program needed for storage program area, at least one function
Sound playing function, image player function etc.) etc.；Storage data area can store according to mobile phone use created data (such as
Audio data, phone directory etc.) etc..In addition, memory 809 may include high-speed random access memory, it can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 810 is the control centre of mobile terminal, utilizes each of various interfaces and the entire mobile terminal of connection
A part by running or execute the software program and/or module that are stored in memory 809, and calls and is stored in storage
Data in device 809 execute the various functions and processing data of mobile terminal, to carry out integral monitoring to mobile terminal.Place
Managing device 810 may include one or more processing units；Preferably, processor 810 can integrate application processor and modulatedemodulate is mediated
Manage device, wherein the main processing operation system of application processor, user interface and application program etc., modem processor is main
Processing wireless communication.It is understood that above-mentioned modem processor can not also be integrated into processor 810.
Mobile terminal 800 can also include the power supply 811 (such as battery) powered to all parts, it is preferred that power supply 811
Can be logically contiguous by power-supply management system and processor 810, to realize management charging by power-supply management system, put
The functions such as electricity and power managed.
In addition, mobile terminal 800 includes some unshowned functional modules, details are not described herein.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 810, and memory 409 is stored in
On memory 809 and the computer program that can run on the processor 810, the computer program are executed by processor 810
Each process of the above-mentioned touch screen electrostatic capacitance compensation method embodiment of Shi Shixian, and identical technical effect can be reached, to avoid
It repeats, which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, and meter is stored on computer readable storage medium
Calculation machine program, the computer program realize each mistake of above-mentioned touch screen electrostatic capacitance compensation method embodiment when being executed by processor
Journey, and identical technical effect can be reached, to avoid repeating, which is not described herein again.Wherein, the computer-readable storage medium
Matter, such as read-only memory (Read-Only Memory, abbreviation ROM), random access memory (Random Access
Memory, abbreviation RAM), magnetic or disk etc..
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
Through the above description of the embodiments, those skilled in the art can be understood that above-described embodiment side
Method can be realized by means of software and necessary general hardware platform, naturally it is also possible to by hardware, but in many cases
The former is more preferably embodiment.Based on this understanding, technical solution of the present invention substantially in other words does the prior art
The part contributed out can be embodied in the form of software products, which is stored in a storage medium
In (such as ROM/RAM, magnetic disk, CD), including some instructions are used so that a terminal (can be mobile phone, computer, service
Device, air conditioner or network equipment etc.) execute method described in each embodiment of the present invention.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (12)
1. a kind of touch screen electrostatic capacitance compensation device is applied to mobile terminal characterized by comprising touch screen electrostatic capacitance is mended
Repay electric capacity module, detection module, control module；
The touch screen electrostatic capacitance is connect with the compensating electric capacity mould group and the detection module respectively, the control module point
It is not connect with the detection module and the compensating electric capacity mould group；Wherein,
The detection module, for detecting the capacitance of the touch screen electrostatic capacitance；
The control module, for when the capacitance not within a preset range in the case where, control the compensating electric capacity mould group,
The capacitance of the touch screen electrostatic capacitance is compensated, so that the capacitance meets the preset range.
2. the apparatus according to claim 1, which is characterized in that the compensating electric capacity mould group includes:
First switchable capacitive module and the second switchable capacitive module, first switchable capacitive module and touch screen electrostatic electricity
Hold and be connected in series, second switchable capacitive module is connected in parallel with the touch screen electrostatic capacitance；
The control module includes:
First control submodule, in the case where working as maximum value of the capacitance greater than the preset range, described in control
First switchable capacitive module carries out decrement compensation to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets institute
State preset range；
Second control submodule, in the case where working as minimum value of the capacitance less than the preset range, described in control
Second switchable capacitive module carries out increment compensation to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets institute
State preset range.
3. the apparatus of claim 2, which is characterized in that the mobile terminal is detected equipped with touch screen electrostatic capacitance
Point, the capacitance detecting point are connect with the first end of the touch screen electrostatic capacitance；First switchable capacitive module is based on described
The second end of touch screen electrostatic capacitance is connected in series with the touch screen electrostatic capacitance；Second switchable capacitive module is based on described
The first end of touch screen electrostatic capacitance is connected in parallel with the touch screen electrostatic capacitance；The detection module includes:
Detection sub-module, for detecting the capacitance of the touch screen electrostatic capacitance by the capacitance detecting point.
4. the apparatus of claim 2, which is characterized in that the compensating electric capacity mould group further include: first switch and
Two switches；Wherein
The first switch is connect with first switchable capacitive module and the touch screen electrostatic capacitance module respectively；
The second switch is connect with second switchable capacitive module and the touch screen electrostatic capacitance module respectively；
First control submodule is connect with the first switch, for being greater than the preset range most when the capacitance
In the case where big value, the first switch conducting is controlled, by first switchable capacitive module to the touch screen electrostatic capacitance
The capacitance of module carries out decrement compensation, so that the capacitance meets the preset range；
Second control submodule is connect with the second switch, for being less than the preset range most when the capacitance
In the case where small value, the second switch conducting is controlled, by second switchable capacitive module to the touch screen electrostatic capacitance
The capacitance of module carries out increment compensation, so that the capacitance meets the preset range.
5. the apparatus of claim 2, which is characterized in that the compensating electric capacity mould group further include: voltage control module；
The voltage control module is connect with first switchable capacitive module and second switchable capacitive module respectively；
First control submodule is connect with the voltage control module, for being greater than the preset range when the capacitance
Maximum value in the case where, the first voltage exported to first switchable capacitive module by the voltage control module is believed
Number, it controls first switchable capacitive module and decrement compensation is carried out to the capacitance of the touch screen electrostatic capacitance, so that the electricity
Capacitance meets the preset range；
Second control submodule is connect with the voltage control module, for being less than the preset range when the capacitance
Minimum value in the case where, the second voltage exported to second switchable capacitive module by the voltage control module is believed
Number, it controls second variable capacitance and increment compensation is carried out to the capacitance of the touch screen electrostatic capacitance, so that the capacitance
Meet the preset range.
6. a kind of touch screen electrostatic capacitance compensation method, which is characterized in that be used for the described in any item devices of claim 1-5, institute
The method of stating includes:
Detect the capacitance of touch screen electrostatic capacitance；
When the capacitance not within a preset range in the case where, control compensating electric capacity mould group, to the touch screen electrostatic capacitance
Capacitance compensates, so that the capacitance meets the preset range.
7. according to the method described in claim 6, it is characterized in that, it is described when the capacitance not within a preset range the case where
Under, compensating electric capacity mould group is controlled, the capacitance of the touch screen electrostatic capacitance is compensated, so that described in capacitance satisfaction
The step of preset range includes:
In the case where the maximum value that the capacitance is greater than the preset range, first switchable capacitive module is controlled, it is right
The capacitance of the touch screen electrostatic capacitance carries out decrement compensation, so that the capacitance meets the preset range；
In the case where the minimum value that the capacitance is less than the preset range, second switchable capacitive module is controlled, it is right
The capacitance of the touch screen electrostatic capacitance carries out increment compensation, so that the capacitance meets the preset range.
8. the method according to the description of claim 7 is characterized in that the step of capacitance of the detection touch screen electrostatic capacitance, wraps
It includes:
The capacitance of the touch screen electrostatic capacitance is detected by the capacitance detecting point.
9. according to the method described in claim 7, it is characterized in that described when the capacitance is greater than the preset range most
In the case where big value, first switchable capacitive module is controlled, decrement compensation is carried out to the capacitance of the touch screen electrostatic capacitance,
So that the capacitance includes: the step of meeting the preset range
In the case where the maximum value that the capacitance is greater than the preset range, the first switch module conducting is controlled, is led to
It crosses first switchable capacitive module and decrement compensation is carried out to the capacitance of the touch screen electrostatic capacitance module, so that the capacitor
Value meets the preset range；
It is described in the case where the minimum value that the capacitance is less than the preset range, control the second variable capacitance mould
Block carries out increment compensation to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets the step of the preset range
Suddenly include:
In the case where the minimum value that the capacitance is less than the preset range, control second switch module conducting passes through institute
It states the second switchable capacitive module and increment compensation is carried out to the capacitance of the touch screen electrostatic capacitance module, so that the capacitance is full
The foot preset range.
10. according to the method described in claim 7, it is characterized in that described when the capacitance is greater than the preset range most
In the case where big value, first switchable capacitive module is controlled, decrement compensation is carried out to the capacitance of the touch screen electrostatic capacitance,
So that the capacitance includes: the step of meeting the preset range
It, can to described first by the voltage module in the case where the maximum value that the capacitance is greater than the preset range
Become the first voltage signal of capacitance module output, control first variable capacitance to the capacitance of the touch screen electrostatic capacitance into
Row decrement compensation, so that the capacitance meets the preset range；
It is described in the case where the minimum value that the capacitance is less than the preset range, control the second variable capacitance mould
Block carries out increment compensation to the capacitance of the touch screen electrostatic capacitance, so that the capacitance meets the step of the preset range
Suddenly include:
It, can to described second by the voltage module in the case where the minimum value that the capacitance is less than the preset range
Become the second voltage signal of capacitance module output, control second variable capacitance to the capacitance of the touch screen electrostatic capacitance into
Row increment compensation, so that the capacitance meets the preset range.
11. a kind of mobile terminal, including processor, memory and it is stored on the memory and can transports on the processor
Capable computer program is realized as described in claim 6 to 10 is any when the computer program is executed by the processor
Touch screen electrostatic capacitance compensation method.
12. a kind of computer readable storage medium, which is characterized in that store computer journey on the computer readable storage medium
Sequence realizes the touch screen electrostatic capacitance compensation as described in claim 6 to 10 is any when the computer program is executed by processor
Method.
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| CN201811150417.0A CN109164948B (en) | 2018-09-29 | 2018-09-29 | Touch screen electrostatic capacitance supplementing device and method and mobile terminal |
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| CN201811150417.0A CN109164948B (en) | 2018-09-29 | 2018-09-29 | Touch screen electrostatic capacitance supplementing device and method and mobile terminal |
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| CN110686808B (en) * | 2019-10-22 | 2022-06-24 | 北京汉王鹏泰科技股份有限公司 | Capacitive pressure sensor and electronic pen |
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| CN109164948B (en) | 2021-07-13 |
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