CN106843624A - Magnetic force induction touch module, method, emission of magnetic field module and touch control display apparatus - Google Patents
Magnetic force induction touch module, method, emission of magnetic field module and touch control display apparatus Download PDFInfo
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- CN106843624A CN106843624A CN201710049709.4A CN201710049709A CN106843624A CN 106843624 A CN106843624 A CN 106843624A CN 201710049709 A CN201710049709 A CN 201710049709A CN 106843624 A CN106843624 A CN 106843624A
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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
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
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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
- G06F3/046—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by electromagnetic means
Abstract
The present invention provides a kind of magnetic force induction touch module, method, emission of magnetic field module and touch control display apparatus.The magnetic force induction touch module includes mistor sensor array and touch control detection unit；Mistor sensor array includes the N row M row mistor sensors of array arrangement；The M mistor sensor positioned at same a line is serially connected, to form mistor sensor row；N number of mistor sensor positioned at same row is serially connected, to form mistor sensor column；Touch control detection unit is connected with mistor sensor array, for detecting the row mistor of each mistor sensor row and the row mistor of each mistor sensor column, and detects position of touch according to row mistor and row mistor；M and N are the integer more than 1.The present invention solves existing touch technology scheme complexity, high cost, the low problem of reliability.
Description
Technical field
The present invention relates to technical field of touch control, more particularly to a kind of magnetic force induction touch module, method, emission of magnetic field module
And touch control display apparatus.
The existing electromagnetic touch technology general principle of background technology be using time writer launch 120KHz (KHz)~
The radiofrequency signal of 170KHz, antenna plate receives the signal of time writer transmitting, at the signal that main control chip is received to antenna plate
Reason and computing, and then draw the position of writing pencil.But electromagnetic touch scheme is complicated, and high cost is, it is necessary to consider radiofrequency signal to LCD
Interference and EMC (Electro Magnetic Compatibility, Electro Magnetic Compatibility) problem.
The content of the invention
It is a primary object of the present invention to provide a kind of magnetic force induction touch module, method, emission of magnetic field module and touch-control
Display device, solves existing touch technology scheme complexity, high cost, the low problem of reliability.
In order to achieve the above object, the invention provides a kind of magnetic force induction touch module, including mistor sensor
Array and touch control detection unit, wherein, the mistor sensor array includes that the N row M row mistor of array arrangement is passed
Sensor；
The M mistor sensor positioned at same a line is serially connected, to form mistor sensor row；
N number of mistor sensor positioned at same row is serially connected, to form mistor sensor column；
The touch control detection unit, is connected with the mistor sensor array, for detecting each magnetosensitive electricity
The row mistor of sensor row and the row mistor of each mistor sensor column are hindered, and according to the row magnetosensitive
Resistance and the row mistor detect position of touch；
M and N are the integer more than 1.
During implementation, the mistor sensor is giant magnetoresistance sensor.
During implementation, the touch control detection unit includes N number of row mistor detection module, M row mistor detection mould
Block and touch control detection module, wherein,
It is connected with a mistor sensor row respectively per a line mistor detection module, for detecting the mistor
The row mistor of sensor row；
Each quick resistance detection module of row is connected with a mistor sensor column respectively, for detecting that the mistor is passed
The row mistor of sensor row；
The touch control detection module, examines with N number of row mistor detection module and the M row mistor respectively
Module connection is surveyed, for detecting position of touch according to the row mistor and the row mistor.
During implementation, the touch control detection unit includes N number of row current detection module, M row current detection module and touch-control
Detection module, wherein,
N-th row current detection module includes line n touch switch, line n voltage source and line n current detector, its
In, the first pole of the line n voltage source is connected with the first end of the n-th mistor sensor row, the line n voltage
Second pole in source passes through the line n touch switch being serially connected and the line n current detector with n-th magnetosensitive electricity
Hinder the second end connection of sensor row；The switch control terminal of the line n touch switch is connected with the touch control detection module；
M-th row current detection module includes m row touch switch, m column voltage sources and m row current detectors, its
In, the first pole of the m column voltage sources is connected with the first end of the m mistor sensor columns, the m column voltages
Second pole in source passes through the m row touch switch being serially connected and the m row current detector with m magnetosensitives electricity
Hinder the second end connection of sensor column；The switch control terminal of the m row touch switches is connected with the touch control detection module；
The touch control detection module is used to control every a line touch switch to turn on or off, and controls each row touch switch to open
Open or disconnect, and the voltage that the corresponding line electric current for obtaining and the row voltage source are exported is detected according to every a line current detector
Value calculates corresponding row mistor, the respective column electric current obtained according to the detection of each row current detector come and row electricity
The value of the voltage of potential source output calculates corresponding row mistor, and according to the row mistor and the row mistor
To detect position of touch；
N is the positive integer less than or equal to N, and m is the positive integer less than or equal to M.
During implementation, the touch control detection unit includes row current detection module, row current detection module and touch control detection mould
Block, wherein,
The row current detection module includes first voltage source, the first current detector, first switch submodule and first
Switch control submodule；
First pole of the first voltage source is connected with the first switch submodule；
Second pole of the first voltage source is connected with the first end of first current detector, the first electric current inspection
The second end for surveying device is connected with the first switch submodule；
The control end of the first switch submodule is connected with the first switch control submodule；First switch
Module respectively with the first end of mistor sensor row each described and the second end of each mistor sensor row
Connection；
The first switch control submodule is used to control the first switch submodule, to cause that first electric current is examined
The the second end timesharing for surveying device is connected by each described mistor sensor row with the first pole of the first voltage source；
The row current detection module includes the second voltage source, the second current detector, second switch submodule and second
Switch control submodule；
First pole of the second voltage source is connected with the second switch submodule；
Second pole of the second voltage source is connected with the first end of second current detector, the second electric current inspection
The second end for surveying device is connected with the second switch submodule；
The control end of the second switch submodule is connected with the second switch control submodule；Second switch
Module respectively with the first end of mistor sensor column each described and the second end of each mistor sensor column
Connection；
The second switch control submodule is used to control the second switch submodule, to cause that second electric current is examined
The the second end timesharing for surveying device is connected by each described mistor sensor column with the first pole of the second voltage source；
The touch control detection module is used for according to first current detector each row electric current for obtaining of detection and described
The magnitude of voltage of the first voltage of first voltage source output calculates corresponding row mistor, according to second current detector
The magnitude of voltage of the second voltage that each row electric current for obtaining comes and the second voltage source is exported is detected to calculate corresponding row magnetic
Quick resistance, and position of touch is detected according to the row mistor and the row mistor.
During implementation, the first switch submodule includes first switch relay and second switch relay；
The first end of the first switch relay is connected with the second end of first current detector；Described first opens
The control end for closing relay is connected with the first switch control submodule, the second end of the first switch relay respectively with
The first end connection of each mistor sensor row；
The first end of the second switch relay is connected with the first pole of the first voltage source, the second switch after
The control end of electrical equipment is connected with the first switch control submodule, the second end of the second switch relay respectively with each
The second end connection of the mistor sensor row；
The first switch control submodule is used to control the second end timesharing and each institute of first current detector
The first end connection of mistor sensor row is stated, and controls the first pole timesharing and each described magnetosensitive of the first voltage source
The second end connection of electric resistance sensor row；
The second switch submodule includes the 3rd switch relay and the 4th switch relay；
The first end of the 3rd switch relay is connected with the second end of second current detector；Described 3rd opens
The control end for closing relay is connected with the second switch control submodule, the second end of the 3rd switch relay respectively with
The first end connection of each mistor sensor column；
The first end of the 4th switch relay is connected with the first pole of the second voltage source, it is described 4th switch after
The control end of electrical equipment is connected with the second switch control submodule, the second end of the 4th switch relay respectively with each
The second end connection of the mistor sensor column；
The second switch control submodule is used to control the second end timesharing and each institute of second current detector
The first end connection of mistor sensor column is stated, and controls the first pole timesharing and each described magnetosensitive of the second voltage source
The second end connection of electric resistance sensor row.
Present invention also offers a kind of magnetic force induction touch control method, above-mentioned magnetic force induction touch module is applied to, it is described
Magnetic force induction touch control method includes：
The magnetic field of the emission of magnetic field part transmitting that mistor sensor array sensing external magnetic field emitting mould train includes；
Touch control detection unit detects the row mistor and each mistor sensor of each mistor sensor row
The row mistor of row, and position of touch is detected according to the row mistor and the row mistor.
Present invention also offers a kind of emission of magnetic field module, including：
Emission of magnetic field part, the mistor sensor array for including to magnetic force induction touch module launches magnetic field.
Present invention also offers a kind of touch control display apparatus, including display panel, also including above-mentioned magnetic force induction touch-control
Module；
The mistor sensor array that the magnetic force induction touch module includes is attached on display panel.
During implementation, when the mistor sensor in the mistor sensor array is opaque, the magnetic force sense
The mistor sensor array that answering touch module includes is located at relative with the surface for showing of the display panel
Side.
Compared with prior art, magnetic force induction touch module of the present invention, method, emission of magnetic field module and touch-control show
Showing device passes through the magnetic field launched using mistor sensor array induced field emission element, and by electric with the magnetosensitive
The touch control detection unit of resistance sensor array connection detects the row mistor and each magnetosensitive of each mistor sensor row
The row mistor of electric resistance sensor row, and position of touch is detected according to the row mistor and the row mistor,
Mistor sensor has the advantages that sensitivity high, small volume, power consumption are high with reliability less.
Brief description of the drawings
Fig. 1 is the structure chart of the magnetic force induction touch module described in the embodiment of the present invention；
Fig. 2 is the structure of the mistor sensor array that the magnetic force induction touch module described in the embodiment of the present invention includes
Schematic diagram；
Fig. 3 is the circuit diagram of a specific embodiment of magnetic force induction touch module of the present invention；
Fig. 4 is the circuit diagram of the another specific embodiment of magnetic force induction touch module of the present invention；
Fig. 5 is the flow chart of the magnetic force induction touch control method described in the embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, the magnetic force induction touch module described in the embodiment of the present invention includes mistor sensor array 11
With touch control detection unit 12, wherein,
The mistor sensor array 11 includes that the N row M row mistor sensors of array arrangement (do not show in Fig. 1
Go out)；
The M mistor sensor positioned at same a line is serially connected, to form mistor sensor row；
N number of mistor sensor positioned at same row is serially connected, to form mistor sensor column；
The touch control detection unit 12, is connected with the mistor sensor array 11, for detecting each magnetic
The row mistor of the row mistor of sensing resistance transducer row and each mistor sensor column, and according to the row
Mistor and the row mistor detect position of touch；
M and N are the integer more than 1.
Magnetic force induction touch module described in the embodiment of the present invention senses magnetic by using mistor sensor array 11
The magnetic field of Flied emission part transmitting, and detected by the touch control detection unit 12 being connected with the mistor sensor array 11
The row mistor of the row mistor of each mistor sensor row and each mistor sensor column, and according to described
Row mistor and the row mistor detect position of touch, and mistor sensor has sensitivity high, small volume, consumption
Can few and reliability advantage high.
Mistor sensor application has very big application prospect on touch-control, and with low cost, investigative range is wide, temperature
Stability is high, corrosion-resistant and the characteristics of long service life, can apply some extreme environments, such as the outer space, south and north poles
Deng extreme climate environment.Mistor sensor array mainly for detection of resistance change, so as to know emission of magnetic field part
Position of touch.
As shown in Fig. 2 so that N and M are for 6 as an example；
Six magnetosensitive electronic sensors positioned at the first row are serially connected, and form the first mistor sensor row, are located at
Six magnetosensitive electronic sensors of the second row are serially connected, and the second mistor sensor row are formed, positioned at six of the third line
Magnetosensitive electronic sensor is serially connected, and the first mistor sensor row is formed, positioned at six magnetosensitive electronic sensors of fourth line
Device is serially connected, and forms the second mistor sensor row, and six magnetosensitive electronic sensors positioned at fifth line are serially connected, shape
Into the first mistor sensor row, six magnetosensitive electronic sensors positioned at the 6th row are serially connected, and form the second magnetosensitive electricity
Resistance sensor row；
Six magnetosensitive electronic sensors positioned at first row are serially connected, and form the first mistor sensor column, are located at
Six magnetosensitive electronic sensors of secondary series are serially connected, and the second mistor sensor column are formed, positioned at tertial six
Magnetosensitive electronic sensor is serially connected, and forms the first mistor sensor column, positioned at six magnetosensitive electronic sensors of the 4th row
Device is serially connected, and forms the second mistor sensor column, and six magnetosensitive electronic sensors positioned at the 5th row are serially connected, shape
Into the first mistor sensor column, six magnetosensitive electronic sensors positioned at the 6th row are serially connected, and form the second magnetosensitive electricity
Resistance sensor column.
Preferably, the mistor sensor can be giant magnetoresistance sensor.
Multilayer film GMR (giant magnetoresistance) sensor construction is simple, and its resistance is big with the scope of external magnetic field linear change, while
Semiconductor exposure and etch process can be utilized, is made GMR integrated and is minimized, should in terms of analog sensor is made
With extensive.GMR has magnetic-field measurement scope wider, and response frequency higher and sensitivity and stronger temperature are fitted
Ying Xing, on the one hand can carry out 2 horizontal dimension position judgments, on the other hand can be carried out according to the size of magnetic field intensity longitudinal
The judgement of pressure size, in magnetic field, linear fields of measurement has more obvious advantage.
According to a kind of specific embodiment, the touch control detection unit includes N number of row mistor detection module, M row
Mistor detection module and touch control detection module, wherein,
It is connected with a mistor sensor row respectively per a line mistor detection module, for detecting the mistor
The row mistor of sensor row；
Each quick resistance detection module of row is connected with a mistor sensor column respectively, for detecting that the mistor is passed
The row mistor of sensor row；
The touch control detection module, examines with N number of row mistor detection module and the M row mistor respectively
Module connection is surveyed, for detecting position of touch according to the row mistor and the row mistor.
In the specific implementation, the touch control detection unit can include the row magnetosensitive electricity being connected with mistor sensor row
Resistance detection module and the row mistor detection module of mistor sensor column connection, and, respectively with row magnetosensitive electricity
Resistance detection module and the touch control detection module of row mistor detection module connection, are examined by row mistor detection module
The row mistor of each mistor sensor row is surveyed, detects that each mistor is sensed by row mistor detection module
The row mistor of device row, and it is tactile to detect according to the row mistor and the row mistor by touch control detection module
Control position.
According to another specific embodiment, the touch control detection unit includes N number of row current detection module, M row electricity
Stream detection module and touch control detection module, wherein,
N-th row current detection module includes line n touch switch, line n voltage source and line n current detector, its
In, the first pole of the line n voltage source is connected with the first end of the n-th mistor sensor row, the line n voltage
Second pole in source passes through the line n touch switch being serially connected and the line n current detector with n-th magnetosensitive electricity
Hinder the second end connection of sensor row；The switch control terminal of the line n touch switch is connected with the touch control detection module；
M-th row current detection module includes m row touch switch, m column voltage sources and m row current detectors, its
In, the first pole of the m column voltage sources is connected with the first end of the m mistor sensor columns, the m column voltages
Second pole in source passes through the m row touch switch being serially connected and the m row current detector with m magnetosensitives electricity
Hinder the second end connection of sensor column；The switch control terminal of the m row touch switches is connected with the touch control detection module；
The touch control detection module is used to control every a line touch switch to turn on or off, and controls each row touch switch to open
Open or disconnect, and the voltage that the corresponding line electric current for obtaining and the row voltage source are exported is detected according to every a line current detector
Value calculates corresponding row mistor, the respective column electric current obtained according to the detection of each row current detector come and row electricity
The value of the voltage of potential source output calculates corresponding row mistor, and according to the row mistor and the row mistor
To detect position of touch；
N is the positive integer less than or equal to N, and m is the positive integer less than or equal to M.
As shown in figure 3, in one embodiment, the touch control detection unit can include the first row current detecting mould
Block, the second row current detection module, the third line current detection module, fourth line current detection module, fifth line current detecting mould
Block, the 6th row current detection module, first row current detection module, secondary series current detection module, the 3rd row current detecting mould
Block, the 4th row current detection module, the 5th row current detection module, the 6th row current detection module and touch control detection module (Fig. 3
Not shown in)；
The first row current detection module includes the first row touch switch K11, the first row voltage source VS1 and the first row electricity
Flow table Am11, the anode of the first row voltage source VS1 is connected with the first end of the first mistor sensor row, described
The negative electrode of the first row voltage source VS1 passes through the first row touch switch K11 and the first row ammeter Am11 and first being serially connected
The second end connection of mistor sensor row；The switch control terminal (not shown in Fig. 3) of the first row touch switch K11 with
The touch control detection module connection；
The second row current detection module includes the second row touch switch K12, the second row voltage source VS2 and the second row electricity
Flow table Am12, the anode of the second row voltage source VS2 is connected with the first end of the second mistor sensor row, described
The negative electrode of the second row voltage source VS2 passes through the second row touch switch K12 and the first row ammeter Am12 and second being serially connected
The second end connection of mistor sensor row；The switch control terminal (not shown in Fig. 3) of the second row touch switch K12 with
The touch control detection module connection；
The third line current detection module includes the third line touch switch K13, the third line voltage source VS3 and the third line electricity
Flow table Am13, the anode of the third line voltage source VS3 is connected with the first end of the 3rd mistor sensor row, described
The negative electrode of the third line voltage source VS3 passes through the third line touch switch K13 and the first row ammeter Am13 and the 3rd being serially connected
The second end connection of mistor sensor row；The switch control terminal (not shown in Fig. 3) of the third line touch switch K13 with
The touch control detection module connection；
The fourth line current detection module includes fourth line touch switch K14, fourth line voltage source VS4 and fourth line electricity
Flow table Am14, the anode of the fourth line voltage source VS4 is connected with the first end of the 4th mistor sensor row, described
The negative electrode of fourth line voltage source VS4 passes through the fourth line touch switch K14 and the first row ammeter Am14 and the 4th being serially connected
The second end connection of mistor sensor row；The switch control terminal (not shown in Fig. 3) of the fourth line touch switch K14 with
The touch control detection module connection；
The fifth line current detection module includes fifth line touch switch K15, fifth line voltage source VS5 and fifth line electricity
Flow table Am15, the anode of the fifth line voltage source VS5 is connected with the first end of the 5th mistor sensor row, described
The negative electrode of fifth line voltage source VS5 passes through the fifth line touch switch K15 and the first row ammeter Am15 and the 5th being serially connected
The second end connection of mistor sensor row；The switch control terminal (not shown in Fig. 3) of the fifth line touch switch K15 with
The touch control detection module connection；
The 6th row current detection module includes the 6th row touch switch K16, the 6th row voltage source VS6 and the 6th row electricity
Flow table Am16, the anode of the 6th row voltage source VS6 is connected with the first end of the 6th mistor sensor row, described
The negative electrode of the 6th row voltage source VS6 passes through the 6th row touch switch K16 and the first row ammeter Am16 and the 6th being serially connected
The second end connection of mistor sensor row；The switch control terminal (not shown in Fig. 3) of the 6th row touch switch K16 with
The touch control detection module connection；
First row current detection module includes first row touch switch K21, the first column voltage source VS21 and first row electric current
Table A m21, the anode of the first column voltage source VS21 is connected with the first end of the first mistor sensor column, described
The negative electrode of the first column voltage source VS21 passes through the first row touch switch K21 and the first row ammeter being serially connected
Am21 is connected with the second end of the first mistor sensor column；The switch control terminal of the first row touch switch K21
(not shown in Fig. 3) is connected with the touch control detection module；
Secondary series current detection module includes secondary series touch switch K22, the second column voltage source VS22 and secondary series electric current
Table A m22, the anode of the second column voltage source VS22 is connected with the first end of the second mistor sensor column, described
The negative electrode of the second column voltage source VS22 passes through the secondary series touch switch K22 and the secondary series ammeter being serially connected
Am22 is connected with the second end of the second mistor sensor column；The switch control terminal of the secondary series touch switch K22
(not shown in Fig. 3) is connected with the touch control detection module；
3rd row current detection module includes the 3rd row touch switch K23, the 3rd column voltage source VS23 and the 3rd row electric current
Table A m23, the anode of the 3rd column voltage source VS23 is connected with the first end of the 3rd mistor sensor column, described
The negative electrode of the 3rd column voltage source VS23 passes through the 3rd row touch switch K23 and the 3rd row ammeter being serially connected
Am23 is connected with the second end of the 3rd mistor sensor column；The switch control terminal of the 3rd row touch switch K23
(not shown in Fig. 3) is connected with the touch control detection module；
4th row current detection module includes the 4th row touch switch K24, the 4th column voltage source VS24 and the 4th row electric current
Table A m24, the anode of the 4th column voltage source VS24 is connected with the first end of the 4th mistor sensor column, described
The negative electrode of the 4th column voltage source VS24 passes through the 4th row touch switch K24 and the 4th row ammeter being serially connected
Am24 is connected with the second end of the 4th mistor sensor column；The switch control terminal of the 4th row touch switch K24
(not shown in Fig. 3) is connected with the touch control detection module；
5th row current detection module includes the 5th row touch switch K25, the 5th column voltage source VS25 and the 5th row electric current
Table A m25, the anode of the 5th column voltage source VS25 is connected with the first end of the 5th mistor sensor column, described
The negative electrode of the 5th column voltage source VS25 passes through the 5th row touch switch K25 and the 5th row ammeter being serially connected
Am25 is connected with the second end of the 5th mistor sensor column；The switch control terminal of the 5th row touch switch K25
(not shown in Fig. 3) is connected with the touch control detection module；
6th row current detection module includes the 6th row touch switch K26, the 6th column voltage source VS26 and the 6th row electric current
Table A m26, the anode of the 6th column voltage source VS26 is connected with the first end of the 6th mistor sensor column, described
The negative electrode of the 6th column voltage source VS26 passes through the 6th row touch switch K26 and the 6th row ammeter being serially connected
Am26 is connected with the second end of the 6th mistor sensor column；The switch control terminal of the 6th row touch switch K26
(not shown in Fig. 3) is connected with the touch control detection module；
The touch control detection module (not shown in Fig. 3) is used to control every a line touch switch to turn on or off, and control is every
One row touch switch is turned on or off, and the corresponding line electric current and the row voltage source that are obtained according to the detection of every a line ammeter are defeated
The value of the voltage for going out calculates corresponding row mistor, the respective column electric current obtained according to the detection of each row ammeter come and
The value of the voltage of column voltage source output calculates corresponding row mistor, and according to the row mistor and the row magnetic
Quick resistance detects position of touch.
Operationally, the touch control detection module can control each row touch-control to present invention specific embodiment as shown in Figure 3
Switch and each row touch switch are opened simultaneously, and the touch control detection module can also control each row touch switch to open successively
Open, control each row touch switch to open successively, then the touch control detection module is detected according to each described row ammeter
Respective column electric current that corresponding line electric current and each described row ammeter are detected detects position of touch.
In practical operation, when magnetic pen is close to mistor sensor, the mistor of approximated position is caused to sense
The resistance of device becomes big, and the electric current for measuring correspondence loop by ammeter diminishes, and each loop can mark respective channel number.Magnetosensitive electricity
Horizontal (X-direction) loop of resistance sensor array point and longitudinal direction (Y-direction) loop；When X-direction loop-around test electric current, corresponding line is touched
Control switch is opened；When Y-direction loop-around test electric current, respective column touch switch is opened, according to X-direction and each loop of Y-direction
The result of test judges the position of magnetic pen touch-control.
In specific embodiment as shown in Figure 3, each X-direction loop respectively uses a row touch switch and a row
Ammeter, each Y-direction loop respectively uses a row touch switch and a row ammeter, and detection speed is fast.
According to another specific embodiment, the touch control detection unit includes row current detection module, row current detecting
Module and touch control detection module, wherein,
The row current detection module includes first voltage source, the first current detector, first switch submodule and first
Switch control submodule；
First pole of the first voltage source is connected with the first switch submodule；
Second pole of the first voltage source is connected with the first end of first current detector, the first electric current inspection
The second end for surveying device is connected with the first switch submodule；
The control end of the first switch submodule is connected with the first switch control submodule；First switch
Module respectively with the first end of mistor sensor row each described and the second end of each mistor sensor row
Connection；
The first switch control submodule is used to control the first switch submodule, to cause that first electric current is examined
The the second end timesharing for surveying device is connected by each described mistor sensor row with the first pole of the first voltage source；
The row current detection module includes the second voltage source, the second current detector, second switch submodule and second
Switch control submodule；
First pole of the second voltage source is connected with the second switch submodule；
Second pole of the second voltage source is connected with the first end of second current detector, the second electric current inspection
The second end for surveying device is connected with the second switch submodule；
The control end of the second switch submodule is connected with the second switch control submodule；Second switch
Module respectively with the first end of mistor sensor column each described and the second end of each mistor sensor column
Connection；
The second switch control submodule is used to control the second switch submodule, to cause that second electric current is examined
The the second end timesharing for surveying device is connected by each described mistor sensor column with the first pole of the second voltage source；
The touch control detection module is used for according to first current detector each row electric current for obtaining of detection and described
The magnitude of voltage of the first voltage of first voltage source output calculates corresponding row mistor, according to second current detector
The magnitude of voltage of the second voltage that each row electric current for obtaining comes and the second voltage source is exported is detected to calculate corresponding row magnetic
Quick resistance, and position of touch is detected according to the row mistor and the row mistor.
Specifically, the first switch submodule can include first switch relay and second switch relay；
The first end of the first switch relay is connected with the second end of first current detector；Described first opens
The control end for closing relay is connected with the first switch control submodule, the second end of the first switch relay respectively with
The first end connection of each mistor sensor row；
The first end of the second switch relay is connected with the first pole of the first voltage source, the second switch after
The control end of electrical equipment is connected with the first switch control submodule, the second end of the second switch relay respectively with each
The second end connection of the mistor sensor row；
The first switch control submodule is used to control the second end timesharing and each institute of first current detector
The first end connection of mistor sensor row is stated, and controls the first pole timesharing and each described magnetosensitive of the first voltage source
The second end connection of electric resistance sensor row；
The second switch submodule can include the 3rd switch relay and the 4th switch relay；
The first end of the 3rd switch relay is connected with the second end of second current detector；Described 3rd opens
The control end for closing relay is connected with the second switch control submodule, the second end of the 3rd switch relay respectively with
The first end connection of each mistor sensor column；
The first end of the 4th switch relay is connected with the first pole of the second voltage source, it is described 4th switch after
The control end of electrical equipment is connected with the second switch control submodule, the second end of the 4th switch relay respectively with each
The second end connection of the mistor sensor column；
The second switch control submodule is used to control the second end timesharing and each institute of second current detector
The first end connection of mistor sensor column is stated, and controls the first pole timesharing and each described magnetosensitive of the second voltage source
The second end connection of electric resistance sensor row.
As shown in figure 4, in another specific embodiment, the touch control detection unit includes row current detection module, row electricity
Stream detection module and touch control detection module (not shown in Fig. 4), wherein,
The row current detection module includes first voltage source VS1, row ammeter Am1, first switch submodule and first
Switch control submodule (not shown in Fig. 4)；
The first switch submodule includes first switch relay SR1 and second switch relay SR2；
The first end of the first switch relay SR1 is connected with second end of the row ammeter Am1；Described first opens
The control end for closing relay SR1 is connected with the first switch control submodule (not shown in Fig. 4), the first switch relay
First end of second end of device SR1 respectively with mistor sensor row each described is connected；
The first end of the second switch relay SR2 is connected with the anode of the first voltage source VS1, and described second opens
The control end for closing relay SR2 is connected with the first switch control submodule (not shown in Fig. 4), the second switch relay
Second end of second end of device SR2 respectively with mistor sensor row each described is connected；
The negative electrode of the first voltage source VS1 is connected with the first end of the row ammeter Am1；
The first switch control submodule is used to control the second end timesharing and each described magnetic of the row ammeter Am1
The first end connection of sensing resistance transducer row, and control anode timesharing and each magnetosensitive electricity of the first voltage source VS1
Hinder the second end connection of sensor row；
The row current detection module includes the second voltage source VS2, row ammeter Am2, second switch submodule 42 and the
Two switches control submodule (not exported in Fig. 4)；
The second switch submodule includes the 3rd switch relay SR3 and the 4th switch relay SR4；
The first end of the 3rd switch relay SR3 is connected with second end of the row ammeter Am2；Described 3rd opens
The control end for closing relay SR3 is connected with the second switch control submodule (not shown in Fig. 4), the 3rd switch relay
First end of second end of device SR3 respectively with mistor sensor column each described is connected；
The first end of the 4th switch relay SR4 is connected with the anode of the second voltage source VS2, and the described 4th opens
The control end for closing relay SR4 is connected with the second switch control submodule (not shown in Fig. 4), the 4th switch relay
Second end of second end of device SR4 respectively with mistor sensor column each described is connected；
The negative electrode of the second voltage source VS2 is connected with the first end of the row ammeter Am2；
The second switch control submodule is used to control the second end timesharing and each described magnetic of the row ammeter Am2
The first end connection of sensing resistance transducer row, and control anode timesharing and each magnetosensitive electricity of the second voltage source VS2
Hinder the second end connection of sensor column；
The touch control detection module (not shown in Fig. 4) is used for each row electricity obtained according to row ammeter Am1 detections
The magnitude of voltage of stream and the first voltage of first voltage source VS1 outputs calculates corresponding row mistor, according to described
The magnitude of voltage of the second voltage that each row electric current that row ammeter Am2 detections are obtained comes and the second voltage source VS2 is exported comes
Calculate corresponding row mistor, and position of touch is detected according to the row mistor and the row mistor.
In specific embodiment as shown in Figure 4, all of X-direction loop share first switch submodule, one
First switch control submodule (not shown in Fig. 4) and a row ammeter Am1, all of Y-direction loop share one second
Switch submodule, a first switch control submodule (not shown in Fig. 4) and a row ammeter Am2；The first switch
Control submodule is used to control the first switch submodule, to cause the second end timesharing of the row ammeter Am1 by each
The individual mistor sensor row is connected with the anode of the first voltage source VS1；The second switch control submodule is used
In the second switch submodule is controlled, to cause the second end timesharing of the row ammeter Am2 by each magnetosensitive electricity
Resistance sensor column is connected with the anode of the second voltage source VS2；The switch that present invention specific embodiment as shown in Figure 4 is used
The number of element, ammeter and voltage source is few, and hardware configuration is simple.
Present invention specific embodiment as shown in Figure 4 is switched to each return passage and measures electric current by switch relay,
Hardware plan is simple.
Emission of magnetic field module described in the embodiment of the present invention includes：
Emission of magnetic field part, the mistor sensor array for including to magnetic force induction touch module launches magnetic field.
In the specific implementation, the emission of magnetic field part can include magnetic pen, it is also possible to any can be sent out including other
The part in magnetic field is penetrated, the type at this to emission of magnetic field part is not construed as limiting.
As shown in figure 5, the magnetic force induction touch control method described in the embodiment of the present invention, is applied to above-mentioned magnetic force induction touch-control
Module, the magnetic force induction touch control method includes：
S1：The magnetic of the emission of magnetic field part transmitting that mistor sensor array sensing external magnetic field emitting mould train includes
；
S2：Touch control detection unit detects row mistor and each mistor sensing of each mistor sensor row
The row mistor of device row, and position of touch is detected according to the row mistor and the row mistor.
Magnetic force induction touch control method described in the embodiment of the present invention is launched by mistor sensor array induced field
The magnetic field of part transmitting, and each magnetosensitive electricity is detected by the touch control detection unit being connected with the mistor sensor array
The row mistor of sensor row and the row mistor of each mistor sensor column are hindered, and according to the row mistor
Position of touch is detected with the row mistor, mistor sensor has sensitivity high, small volume, power consumption less and reliable
Property is high.
Touch control display apparatus described in the embodiment of the present invention, including display panel, also including above-mentioned magnetic force induction touch-control
Module；
The mistor sensor array that the magnetic force induction touch module includes is attached on display panel.
Preferably, when the mistor sensor in the mistor sensor array is opaque, the magnetic force sense
The mistor sensor array that answering touch module includes is located at relative with the surface for showing of the display panel
On side.In the specific implementation, mistor sensor is likely to be opaque, now in order to not influence display magnetic force induction to touch
The mistor sensor array that control module includes is located at the side relative with the surface for showing of the display panel.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of magnetic force induction touch module, it is characterised in that including mistor sensor array and touch control detection unit, its
In, the mistor sensor array includes the N row M row mistor sensors of array arrangement；
The M mistor sensor positioned at same a line is serially connected, to form mistor sensor row；
N number of mistor sensor positioned at same row is serially connected, to form mistor sensor column；
The touch control detection unit, is connected with the mistor sensor array, for detecting that each mistor is passed
The row mistor of the row mistor of sensor row and each mistor sensor column, and according to the row mistor
Position of touch is detected with the row mistor；
M and N are the integer more than 1.
2. magnetic force induction touch module as claimed in claim 1, it is characterised in that the mistor sensor is huge magnetoelectricity
Resistance sensor.
3. magnetic force induction touch module as claimed in claim 1 or 2, it is characterised in that the touch control detection unit includes N number of
Row mistor detection module, M row mistor detection module and touch control detection module, wherein,
It is connected with a mistor sensor row respectively per a line mistor detection module, for detecting that the mistor is sensed
The row mistor of device row；
Each quick resistance detection module of row is connected with a mistor sensor column respectively, for detecting the mistor sensor
The row mistor of row；
The touch control detection module, respectively with N number of row mistor detection module and M row mistor detection mould
Block is connected, for detecting position of touch according to the row mistor and the row mistor.
4. magnetic force induction touch module as claimed in claim 1 or 2, it is characterised in that the touch control detection unit includes N number of
Row current detection module, M row current detection module and touch control detection module, wherein,
N-th row current detection module includes line n touch switch, line n voltage source and line n current detector, wherein, institute
The first pole for stating line n voltage source is connected with the first end of the n-th mistor sensor row, the line n voltage source
Second pole passes through the line n touch switch being serially connected and the line n current detector is passed with n-th mistor
The second end connection of sensor row；The switch control terminal of the line n touch switch is connected with the touch control detection module；
M-th row current detection module includes m row touch switch, m column voltage sources and m row current detectors, wherein, institute
The first pole for stating m column voltage sources is connected with the first end of the m mistor sensor columns, the m column voltage sources
Second pole passes through the m row touch switch being serially connected and the m row current detector is passed with the m mistors
The second end connection of sensor row；The switch control terminal of the m row touch switches is connected with the touch control detection module；
The touch control detection module is used to control every a line touch switch to turn on or off, control each row touch switch open or
Disconnect, and the voltage exported according to every a line current detector corresponding line electric current for obtaining of detection and the row voltage source value come
Calculate corresponding row mistor, according to each row current detector respective column electric current for obtaining of detection come and the column voltage source
The value of the voltage of output calculates corresponding row mistor, and examined according to the row mistor and the row mistor
Survey position of touch；
N is the positive integer less than or equal to N, and m is the positive integer less than or equal to M.
5. magnetic force induction touch module as claimed in claim 1 or 2, it is characterised in that the touch control detection unit includes row
Current detection module, row current detection module and touch control detection module, wherein,
The row current detection module includes first voltage source, the first current detector, first switch submodule and first switch
Control submodule；
First pole of the first voltage source is connected with the first switch submodule；
Second pole of the first voltage source is connected with the first end of first current detector, first current detector
The second end be connected with the first switch submodule；
The control end of the first switch submodule is connected with the first switch control submodule；The first switch submodule
The second end with the first end of mistor sensor row each described and each mistor sensor row is connected respectively；
The first switch control submodule is used to control the first switch submodule, to cause first current detector
The second end timesharing be connected with the first pole of the first voltage source by each described mistor sensor row；
The row current detection module includes the second voltage source, the second current detector, second switch submodule and second switch
Control submodule；
First pole of the second voltage source is connected with the second switch submodule；
Second pole of the second voltage source is connected with the first end of second current detector, second current detector
The second end be connected with the second switch submodule；
The control end of the second switch submodule is connected with the second switch control submodule；The second switch submodule
The second end with the first end of mistor sensor column each described and each mistor sensor column is connected respectively；
The second switch control submodule is used to control the second switch submodule, to cause second current detector
The second end timesharing be connected with the first pole of the second voltage source by each described mistor sensor column；
The touch control detection module is used for each row electric current and described first obtained according to first current detector detection
The magnitude of voltage of the first voltage of voltage source output calculates corresponding row mistor, is detected according to second current detector
The magnitude of voltage of the second voltage that each row electric current for obtaining comes and the second voltage source is exported is electric to calculate corresponding row magnetosensitive
Resistance, and position of touch is detected according to the row mistor and the row mistor.
6. magnetic force induction touch module as claimed in claim 5, it is characterised in that the first switch submodule includes first
Switch relay and second switch relay；
The first end of the first switch relay is connected with the second end of first current detector；The first switch after
The control end of electrical equipment is connected with the first switch control submodule, the second end of the first switch relay respectively with each
The first end connection of the mistor sensor row；
The first end of the second switch relay is connected with the first pole of the first voltage source, the second switch relay
Control end be connected with the first switch control submodule, the second end of the second switch relay respectively with described in each
The second end connection of mistor sensor row；
The first switch control submodule is used to control the second end timesharing and each described magnetic of first current detector
The first end connection of sensing resistance transducer row, and control the first pole timesharing and each described mistor of the first voltage source
The second end connection of sensor row；
The second switch submodule includes the 3rd switch relay and the 4th switch relay；
The first end of the 3rd switch relay is connected with the second end of second current detector；It is described 3rd switch after
The control end of electrical equipment is connected with the second switch control submodule, the second end of the 3rd switch relay respectively with each
The first end connection of the mistor sensor column；
The first end of the 4th switch relay is connected with the first pole of the second voltage source, the 4th switch relay
Control end be connected with the second switch control submodule, the second end of the 4th switch relay respectively with described in each
The second end connection of mistor sensor column；
The second switch control submodule is used to control the second end timesharing and each described magnetic of second current detector
The first end connection of sensing resistance transducer row, and control the first pole timesharing and each described mistor of the second voltage source
The second end connection of sensor column.
7. a kind of magnetic force induction touch control method, is applied to the magnetic force induction as described in any claim in claim 1 to 6 and touches
Control module, it is characterised in that the magnetic force induction touch control method includes：
The magnetic field of the emission of magnetic field part transmitting that mistor sensor array sensing external magnetic field emitting mould train includes；
Touch control detection unit detects the row mistor and each mistor sensor column of each mistor sensor row
Row mistor, and position of touch is detected according to the row mistor and the row mistor.
8. a kind of emission of magnetic field module, it is characterised in that including：
Emission of magnetic field part, the mistor sensor array for including to magnetic force induction touch module launches magnetic field.
9. a kind of touch control display apparatus, including display panel, it is characterised in that also including any right in such as claim 1 to 6
It is required that described magnetic force induction touch module；
The mistor sensor array that the magnetic force induction touch module includes is attached on display panel.
10. touch control display apparatus as claimed in claim 9, it is characterised in that when in the mistor sensor array
When mistor sensor is opaque, the mistor sensor array that the magnetic force induction touch module includes is located at described aobvious
Show the side relative with the surface for showing of panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710049709.4A CN106843624A (en) | 2017-01-23 | 2017-01-23 | Magnetic force induction touch module, method, emission of magnetic field module and touch control display apparatus |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710049709.4A CN106843624A (en) | 2017-01-23 | 2017-01-23 | Magnetic force induction touch module, method, emission of magnetic field module and touch control display apparatus |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109885202A (en) * | 2019-02-22 | 2019-06-14 | 合肥鑫晟光电科技有限公司 | A kind of touch base plate and its driving method and display device |
| CN113589739A (en) * | 2021-08-10 | 2021-11-02 | 四川长虹网络科技有限责任公司 | Non-contact control device and method |
-
2017
- 2017-01-23 CN CN201710049709.4A patent/CN106843624A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109885202A (en) * | 2019-02-22 | 2019-06-14 | 合肥鑫晟光电科技有限公司 | A kind of touch base plate and its driving method and display device |
| CN109885202B (en) * | 2019-02-22 | 2020-12-01 | 合肥鑫晟光电科技有限公司 | Touch substrate, driving method thereof and display device |
| US11561640B2 (en) | 2019-02-22 | 2023-01-24 | Hefei Xinsheng Optoelectronics Technology Co., Ltd. | Touch substrate, driving method thereof and display device |
| CN113589739A (en) * | 2021-08-10 | 2021-11-02 | 四川长虹网络科技有限责任公司 | Non-contact control device and method |
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Application publication date: 20170613 |