CN106249951A - Based on number of contacts and the false-touch prevention method of force value detection and its intelligent express delivery cabinet - Google Patents
Based on number of contacts and the false-touch prevention method of force value detection and its intelligent express delivery cabinet Download PDFInfo
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- CN106249951A CN106249951A CN201610616150.4A CN201610616150A CN106249951A CN 106249951 A CN106249951 A CN 106249951A CN 201610616150 A CN201610616150 A CN 201610616150A CN 106249951 A CN106249951 A CN 106249951A
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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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
- G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
- G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F17/00—Coin-freed apparatus for hiring articles; Coin-freed facilities or services
- G07F17/10—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property
- G07F17/12—Coin-freed apparatus for hiring articles; Coin-freed facilities or services for means for safe-keeping of property, left temporarily, e.g. by fastening the property comprising lockable containers, e.g. for accepting clothes to be cleaned
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07F—COIN-FREED OR LIKE APPARATUS
- G07F9/00—Details other than those peculiar to special kinds or types of apparatus
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- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Position Input By Displaying (AREA)
- User Interface Of Digital Computer (AREA)
Abstract
The invention provides a kind of false-touch prevention method based on number of contacts with force value detection, including the number of contacts calculated on detection region and the force value on target location；And judge whether touch is effectively to touch；When being judged as effectively touching, the control instruction that touch screen Generate Target Position is corresponding.Present invention also offers a kind of intelligent express delivery cabinet based on the method, including touch recognition module, main control module, wireless module, execution module.Intelligent express delivery cabinet based on false-touch prevention method provided by the present invention, when touch screen is touched, can Intelligent Recognition and judge user touch and mosquito touch, and then perform the operation that user's touch is selected, efficiently solve on intelligence express delivery cabinet touch screen owing to mosquito adheres to the false touch problem caused.Express delivery person and addressee person still normally can send part and pickup in the more outdoor zone of mosquito, improve the experience of user.
Description
Technical field
The present invention relates to a kind of electronic technology field, particularly to false-touch prevention method and the intelligence based on the method for touch screen
Can express delivery cabinet.
Background technology
Along with progressing greatly of touch-control sensing technology, increasing intelligence express delivery cabinet uses touch screen to be used as input tool.
Capacitive touch screen all plates long and narrow electrode on touch screen four limit, forms a low-voltage AC electric field in electric conductor.?
When touching screen, due to human body electric field, finger can form one with conductor interlayer and couple electric capacity, the electric current meeting that four limit electrodes send
Flowing to contact, and electric current power is directly proportional to the distance of finger to electrode, the controller being positioned at touch screen behind the scenes will calculate electricity
The ratio of stream and power, accurately calculate the position of touch point.Relative to resistive touch screen, the use of capacitive touch screen is more
Convenient, need use to be organism (finger meat) for screen, rather than fingernail presses energetically, and such screen would not stay
Ugly scratches vestige, and is quick on the draw, and is that resistance touch screen institute is inaccessiable.And capacitance plate relatively touch screens power saving, it is
One trend of touch screen, is therefore widely used in a variety of applications.
At present, the intelligent express delivery cabinet of China is typically all placed in open air, and outdoor mosquito is the most, and the phototaxis of mosquito is led
Cause on its brightest touch screen being liable to stick to intelligence express delivery cabinet.Part person is sent to use intelligence express delivery cabinet with addressee
Time, easily cause false touch because of adhering to mosquito on screen, give and send part person and addressee to bring inconvenience.And mosquito
Attachment can cause touch screen persistently sense and feed back, and causes the serviceability of touch screen and Consumer's Experience to decline.Many existing
False-touch prevention method, contribute to prevent the false touch to touch screen of object that the interface pressure such as trouser pocket, card is bigger, at some
Complicated Outdoor Scene, the place etc. that such as some mosquitoes are more, the Consumer's Experience that user is smooth cannot be brought on the contrary.
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of false-touch prevention method of touch screen and intelligence based on the method
Express delivery cabinet, this touch screen can touch with user with Intelligent Recognition mosquito false touch, only touches user and feeds back, thus effectively
Solve phototactic mosquito and be attached to touch screen and the problem of mistaken touch that causes.
The present invention for achieving the above object, have employed techniques below scheme:
First aspect, the invention provides a kind of touch screen false-touch prevention method detected based on number of contacts and force value,
It is characterized in that, comprise the steps:
Obtain the force value on target location；
Obtain all test point coordinates in described target location, calculate the center point coordinate of described target location；
Detection region is generated, when the coordinate distance of any two test point is not more than pre-centered by described center point coordinate
If during distance, then judge that two test points are adjacent, belong to same contact, and calculate the number of contacts in described detection region；
Force value on the number of contacts in described detection region is equal to one, and described target location is not less than presetting pressure
During power threshold values, then it is judged as effectively touching；
Wherein, described target location is target object when contacting with touch screen, and touch screen is according to the touch operation sensed
The particular location of the touch calculated；Described target object includes finger and/or mosquito；The size in described detection region is
The touch pressure that the Fingers outside of belly reaches when normally contacting with touch screen；Described test point is the minimum sample coordinate of touch screen
Point；The force value that the Fingers outside of belly that described preset pressure threshold values is behaved reaches when normally contacting with touch screen.
In an embodiment of the present invention, described predeterminable range is the length shared by a test point.
In an embodiment of the present invention, described preset pressure threshold values is the numerical value calculated through differential evolution algorithm,
The minimum pressure values reached when normally contacting with touch screen for common people's Fingers outside of belly.
In an embodiment of the present invention, when being judged as effectively touching, generate the control instruction corresponding with target location.
In an embodiment of the present invention, on the number of contacts in described detection region is more than one or described target location
Force value on described target location is less than preset pressure threshold values, then be judged as invalid touch.
In an embodiment of the present invention, when being judged as invalid touch, the control instruction corresponding with target location is not generated.
In an embodiment of the present invention, a kind of described touch screen false-touch prevention method based on number of contacts with force value detection
Also include: obtain touch point operation information；Wherein, operation information in described touch point includes the touch side on described target location
Formula.
Further, in an embodiment of the present invention, when being judged as effectively touching, generate and described touch point operation letter
The control instruction that breath is corresponding.
Second aspect, the invention provides a kind of touch screen false-touch prevention method based on force value detection, including walking as follows
Rapid:
Obtain the force value on target location；
Force value on described target location is compared with preset pressure threshold values；
When the force value on described target location is not less than described preset pressure threshold values, it is judged that for effectively touching；
Wherein, described target location is target object when contacting with touch screen, and touch screen is according to the touch operation sensed
The particular location of the touch calculated；Described target object includes finger and/or mosquito；The hands that described preset pressure threshold values is behaved
Refer to the force value that the outside of belly reaches when normally contacting with touch screen.
In an embodiment of the present invention, described preset pressure threshold values is the numerical value calculated through differential evolution algorithm,
The minimum pressure values reached when normally contacting with touch screen for common people's Fingers outside of belly.
In an embodiment of the present invention, when being judged as effectively touching, generate the control instruction corresponding with target location.
In an embodiment of the present invention, when the force value on described target location is less than described preset pressure threshold values, sentence
This touch disconnected is invalid touch.
Further, when being judged as invalid touch, the control instruction corresponding with target location is not generated.
In an embodiment of the present invention, a kind of described touch screen false-touch prevention method based on the detection of test point density value is also wrapped
Include: obtain touch point operation information；Wherein, operation information in described touch point includes the touch manner on described target location.
Further, in an embodiment of the present invention, when being judged as effectively touching, generate and described touch point operation letter
The control instruction that breath is corresponding.
The third aspect, present invention also offers a kind of intelligent express delivery based on number of contacts with the false-touch prevention of force value detection
Cabinet, it is characterised in that including: touch recognition module, main control module；
Wherein, described main control module is connected with described touch recognition module；
Described touch recognition module is for obtaining the force value on target location；It is additionally operable to obtain institute in described target location
There is test point coordinate, calculate the center point coordinate of described target location, and centered by described center point coordinate, generate detection zone
Territory；It is additionally operable to when the coordinate distance of any two test point is not more than predeterminable range, then judges that two test points are adjacent, belong to
Same contact, and calculate the number of contacts in described detection region；It is additionally operable to when the number of contacts etc. in described detection region
When force value on Yu Yi, and described target location is not less than described preset pressure threshold values, then it is judged as effectively touching；It is additionally operable to
Described target location is sent to described main control module；
Described main control module, for when being judged as effectively touching, generates the control instruction corresponding with described target location；
Wherein, described target location is target object when contacting with touch screen, and touch screen is according to the touch operation sensed
The particular location of the touch calculated；Described target object includes finger and/or mosquito；The size in described detection region is
The touch pressure that the Fingers outside of belly reaches when normally contacting with touch screen；Described test point is the minimum sample coordinate of touch screen
Point；The force value that the Fingers outside of belly that described preset pressure threshold values is behaved reaches when normally contacting with touch screen.
In an embodiment of the present invention, described touch recognition module includes acquisition module and identification module；
Described acquisition module, for obtaining the force value on described target location, is additionally operable to obtain institute in described target location
There is a test point coordinate, and calculate the center point coordinate of described target location, and by the center point coordinate of described target location, described
In target location, all test point coordinates are sent to described identification module with the force value on described target location；
Described identification module is for generating detection region centered by described center point coordinate, and described identification module is additionally operable to
And calculate the number of contacts in described detection region, when the coordinate distance of any two test point is not more than predeterminable range, then
Judge that two test points are adjacent, belong to same contact, and according to the number of contacts in described detection region and described target position
The force value put judges whether touch is effectively to touch, the number of contacts in the described detection region in described detection region
When force value equal to one and on described target location is not less than described preset pressure threshold values, then it is judged as effectively touching, by institute
State target location and be sent to described main control module.
In an embodiment of the present invention, described predeterminable range is the length shared by a test point.
In an embodiment of the present invention, described preset pressure threshold values is the numerical value calculated through differential evolution algorithm,
The minimum pressure values reached when normally contacting with touch screen for common people's Fingers outside of belly.
In an embodiment of the present invention, on the number of contacts in described detection region is more than one or described target location
Force value on described target location is less than preset pressure threshold values, and the most described touch recognition module is judged as invalid touch.
In an embodiment of the present invention, when described touch recognition module is judged as invalid touch, described main control module is not
Generate the control instruction corresponding with target location.
In an embodiment of the present invention, described touch recognition module also operates information with acquisition touch point；Wherein, described
Touch point operation information includes the touch manner on described target location.
Further, in an embodiment of the present invention, when being judged as effectively touching, described main control module generates with described
The control instruction that touch point operation information is corresponding.
In an embodiment of the present invention, the intelligent express delivery of described a kind of false-touch prevention detected based on number of contacts and force value
Cabinet also includes wireless module；Described wireless module is for receiving the control instruction of terminal, and described control instruction is sent to institute
State main control module, the feedback of status of intelligence express delivery cabinet to terminal；Wherein said wireless module is connected with described main control module.
In an embodiment of the present invention, described main control module includes single-chip microcomputer or central processing unit.
In an embodiment of the present invention, described wireless module includes WiFi wireless communication module, zigbee radio communication mold
Any one in block, 430MHz wireless communication module, 2.4GHz wireless communication module.
In an embodiment of the present invention, the intelligent express delivery of described a kind of false-touch prevention detected based on number of contacts and force value
Cabinet also includes performing module；Described execution module is grasped accordingly for the control instruction generated according to described main control module
Make；Wherein, described execution module is connected with described main control module.
In an embodiment of the present invention, described execution module include electric control lock, bar code and reader for two-dimension code, photographic head,
Alarm, bill printing module.
Fourth aspect, present invention also offers the intelligent express delivery cabinet of a kind of false-touch prevention based on force value detection, its feature
It is, including: touch recognition module, main control module；
Wherein, described main control module is connected with described touch recognition module；
Described touch recognition module, for obtaining the force value on target location, is additionally operable on described target location
Force value compares with preset pressure threshold values, when the force value on described target location is not less than described preset pressure threshold values
Time, it is judged that for effectively touching；It is additionally operable to, when being judged as effectively touching, described target location is sent to described main control module；
The force value that the Fingers outside of belly that described preset pressure threshold values is behaved reaches when normally contacting with touch screen.
Described main control module, for when being judged as effectively touching, generates the control instruction corresponding with described target location；
Wherein, described target location is target object when contacting with touch screen, and touch screen is according to the touch operation sensed
The particular location of the touch calculated；Described target object includes finger and/or mosquito.
In an embodiment of the present invention, described touch recognition module includes acquisition module and identification module；
Described acquisition module is used for obtaining the force value on target location, and by the force value on described target location and institute
State target location and be sent to described identification module；
Described identification module is for comparing the force value preset pressure threshold values on described target location, when described mesh
When force value in cursor position is not less than described preset pressure threshold values, it is judged that for effectively touching, it is additionally operable to when judging that touch is as having
When effect touches, described target location is sent to described main control module.
In an embodiment of the present invention, described preset pressure threshold values is the numerical value calculated through differential evolution algorithm,
The minimum pressure values reached when normally contacting with touch screen for common people's Fingers outside of belly.
In an embodiment of the present invention, when the force value on the described target location on described target location is less than described pre-
If during pressure threshold value, described touch recognition module judges that this touch is invalid touch.
Further, when described touch recognition module is judged as invalid touch, described main control module does not generates and target
The control instruction that position is corresponding.
In an embodiment of the present invention, described touch recognition module also operates information with acquisition touch point；Wherein, described
Touch point operation information includes the touch manner on described target location.
Further, in an embodiment of the present invention, when described touch recognition module is judged as effectively touching, described master
Control module generates the control instruction corresponding with described touch point operation information.
In an embodiment of the present invention, the intelligent express delivery cabinet of described a kind of false-touch prevention based on force value detection also includes nothing
Wire module；Described wireless module is for receiving the control instruction of terminal, and described control instruction is sent to described main control module,
The feedback of status of intelligence express delivery cabinet to terminal；Wherein said wireless module is connected with described main control module.
In an embodiment of the present invention, described main control module includes single-chip microcomputer or central processing unit.
In an embodiment of the present invention, described wireless module includes WiFi wireless communication module, zigbee radio communication mold
Any one in block, 430MHz wireless communication module, 2.4GHz wireless communication module.
In an embodiment of the present invention, the intelligent express delivery cabinet of described a kind of false-touch prevention based on force value detection also includes holding
Row module；Described execution module operates accordingly for the control instruction generated according to described main control module；Wherein, described
Perform module to be connected with described main control module.
In an embodiment of the present invention, described execution module include electric control lock, bar code and reader for two-dimension code, photographic head,
Alarm, bill printing module.
Beneficial effects of the present invention:
Touch screen false-touch prevention method provided by the present invention and intelligent express delivery cabinet based on the method, at touch screen by touching
When touching, it is possible to Intelligent Recognition also judges that user touches and mosquito false touch, and then perform the operation that user's touch is selected, effectively
Solve the intelligence express delivery false touch problem that causes due to mosquito attachment cashier's office in a shop.Express delivery person and pickup person can be mosquitoes
More outdoor zone, still normally sends part and pickup, improves the experience of user.
Accompanying drawing explanation
Fig. 1 is the operation principle schematic diagram that in prior art, touch screen determines touch position coordinates；
Fig. 2 is the schematic diagram of contact described in one embodiment of the invention；
Fig. 3 is the schematic diagram of contact described in another embodiment of the present invention；
Fig. 4 is a kind of flow chart based on number of contacts with the false-touch prevention method of force value detection provided by the present invention；
Fig. 5 is the flow chart of a kind of false-touch prevention method based on force value detection provided by the present invention；
Fig. 6 is the module frame chart of the intelligent express delivery cabinet of false-touch prevention provided by the present invention.
Detailed description of the invention
Embodiments of the invention are described with reference to the accompanying drawings.Described in one accompanying drawing of the present invention or a kind of embodiment
Element and feature can combine with the element shown in one or more other accompanying drawings or embodiment and feature.Should
Work as attention, in order to remove purpose, accompanying drawing and explanation eliminate unrelated to the invention, known to persons of ordinary skill in the art
Parts and the expression of process and description, embodiment are only used for the purpose of illustration, do not limit the scope of the invention, simultaneously this area
Those of ordinary skill obvious is changed and within modification is also contained in the scope of the invention according to what the present invention made.
As a example by capacitive touch screen, it will be appreciated by persons skilled in the art that capacitance plate module includes touch screen (hands
The transparent part of touch operation) and touch IC (when hands touches capacitance plate, resolve the position coordinates of contact by touching IC).Tool
Body ground, as shown in the operation principle schematic diagram that Fig. 1 capacitive touch screen determines touch position coordinates, when target object (includes hands
Refer to and/or mosquito) when contact with touch screen, screen sensing current touch location, and the initial data of treated device acquisition touch,
Initial data, after denoising, i.e. calculates the particular location of touch, and this position in the present invention, is designated as " target location "；
Minimum sample coordinate point on capacitive touch screen, i.e. lattice in Fig. 1, in the present invention, it is designated as " test point ".Described mesh
Contact point in cursor position, as shown in circle in Fig. 2 and Fig. 3, is designated as " contact ".
Fig. 4 is a kind of based on number of contacts detection the touch screen false-touch prevention method in first embodiment of the invention, bag
Include following steps:
S110；Obtain the force value on target location；
S120: obtain all test point coordinates in described target location, calculate the center point coordinate of described target location；
S130: centered by described center point coordinate generate detection region, when any two test point coordinate distance not
During more than predeterminable range, then judge that two test points are adjacent, belong to same contact, and calculate the contact in described detection region
Number；Wherein, the region area in described detection region is preset as the maximum reality when Fingers outside of belly normally contacts with touch screen
Touch area；
S140: the force value on the number of contacts in described detection region is equal to, and described target location is not less than
During preset pressure threshold values, then it is judged as effectively touching；Concrete, the Fingers outside of belly of described preset pressure threshold values behaviour and touch
The force value reached during the normal contact of screen；
In an embodiment of the present invention, described predeterminable range is the length shared by a test point.
In an embodiment of the present invention, described preset pressure threshold values is the numerical value calculated through differential evolution algorithm,
The minimum pressure values reached when normally contacting with touch screen for common people's Fingers outside of belly.
In an embodiment of the present invention, when being judged as effectively touching, generate the control instruction corresponding with target location.
In an embodiment of the present invention, on the number of contacts in described detection region is more than one or described target location
Force value on described target location is less than preset pressure threshold values, then be judged as invalid touch.
In an embodiment of the present invention, when being judged as invalid touch, the control instruction corresponding with target location is not generated.
In an embodiment of the present invention, a kind of described touch screen false-touch prevention method based on number of contacts with force value detection
Also include: obtain touch point operation information；Wherein, operation information in described touch point includes the touch side on described target location
Formula, such as click, slip, gesture etc..
Further, in an embodiment of the present invention, when being judged as effectively touching, generate and described touch point operation letter
The control instruction that breath is corresponding.
In the concrete application scenarios of the present invention one, when target object contact touch screen, touch screen obtains on target location
Force value；And, touch screen can form multiple test point, and calculates the central point in the region that the plurality of test point is formed,
And centered by described central point, generate detection region, obtain the test point coordinate in described detection region, according to described detection
Point coordinates, it is judged that described in any two, test point is the most adjacent, if two described test points are adjacent, then it is assumed that it belongs to same and touches
Point, and calculate the number of contacts in described detection region；
When user uses touch screen, owing to user refers to abdomen morphosis, as it is shown on figure 3, described detection region
On only exist a contact area, described test point belongs to same contact, and the number of contacts in the most described detection region is equal to
Therefore force value on one, and described target location is judged as effectively touching not less than described preset pressure threshold values, and generate with
The control instruction that described touch point operation information is corresponding；
When mosquito adheres on the touchscreen, due to mosquito morphosis, as in figure 2 it is shown, described detection region
On often there is more than one contact area, each contact area is made up of test point several described, and any one connects
The distance between test point and the test point in another contact area in tactile region is commonly greater than described predeterminable range, therefore
Number of contacts in the described detection region of the mosquito that identification module 12 gets is more than the pressure on one, or described target location
Value, less than described preset pressure threshold values, is therefore judged as invalid touch, does not generate the control instruction corresponding with described target location.
Therefore this method is by calculating with the force value on described target location the number of contacts in described detection region simultaneously,
And then identify whether as finger manipulation, thus prevent the mosquito maloperation to touch screen.
Fig. 5 be second embodiment of the invention a kind of based on force value detection touch screen false-touch prevention method, including with
Lower step:
S210: obtain the force value on target location；
S220: the force value on described target location is compared with preset pressure threshold values；Concrete, described default pressure
The force value that the Fingers outside of belly that power threshold values is behaved reaches when normally contacting with touch screen；
S230: when the force value on described target location is not less than described preset pressure threshold values, it is judged that for effectively touching.
In an embodiment of the present invention, described preset pressure threshold values is the numerical value calculated through differential evolution algorithm,
The minimum pressure values reached when normally contacting with touch screen for common people's Fingers outside of belly.
In an embodiment of the present invention, when being judged as effectively touching, generate the control instruction corresponding with target location.
In an embodiment of the present invention, when the force value on the described target location on described target location is less than described pre-
If during pressure threshold value, it is judged that this touch is invalid touch.
Further, when being judged as invalid touch, the control instruction corresponding with target location is not generated.
In an embodiment of the present invention, a kind of described touch screen false-touch prevention method based on the detection of test point density value is also wrapped
Include: obtain touch point operation information；Wherein, described touch point operation information includes the touch manner on described target location, as
Click, slip, gesture etc..
Further, in an embodiment of the present invention, when being judged as effectively touching, generate and described touch point operation letter
The control instruction that breath is corresponding.
In the concrete application scenarios of the present invention one, when target object contacts with touch screen, touch screen obtains target location
On force value.When user uses touch screen, owing to user refers to abdomen morphosis, the pressure on described target location
Force value is not less than described preset pressure threshold values, is therefore judged as effectively touching, and generation is mated with operating on described target location
Control instruction；When mosquito adheres on the touchscreen, touch screen obtains described target object and the actual contact area of touch screen,
And calculate the force value on described target location；Due to mosquito morphosis, when mosquito contacts with described touch screen
The force value on described target location formed is often below described preset pressure threshold values, is therefore judged as invalid touch, does not gives birth to
Become any control instruction.Therefore this method is calculated by the force value on the described target location to actual touch area,
And then identify whether as finger manipulation, thus prevent the mosquito maloperation to touch screen.
Present invention also offers a kind of fast with the intelligence of the touch screen false-touch prevention method of force value detection based on number of contacts
Pass cabinet, in an embodiment of the present invention, as shown in Figure 6, including: touch recognition module 10, main control module 20, wherein touch recognition
Module 10 is connected with main control module 20, and this system also includes wireless module 30, performs module 40；
Wherein, described main control module 20 is connected with described touch recognition module 10；
Described touch recognition module 10 is for obtaining the force value on target location；It is additionally operable to obtain in described target location
All test point coordinates, calculate the center point coordinate of described target location；Detection zone is generated centered by described center point coordinate
Territory, when the coordinate distance of any two test point is not more than predeterminable range, then judges that two test points are adjacent, belongs to same
Contact, and calculate the number of contacts in described detection region；When the number of contacts in described detection region is equal to one, and described mesh
When force value in cursor position is not less than described preset pressure threshold values, then it is judged as effectively touching；Described target location is sent
To described main control module 20；
Described main control module 20, for when being judged as effectively touching, generates the control corresponding with described target location and refers to
Order；
Wherein, the force value that the Fingers outside of belly that described preset pressure threshold values is behaved reaches when normally contacting with touch screen.
In an embodiment of the present invention, described touch recognition module 10 includes acquisition module 11 and identification module 12；
Described acquisition module 11, for obtaining the force value on described target location, is additionally operable to obtain in described target location
All test point coordinates, and calculate the center point coordinate of described target location, and by the center point coordinate of described target location, institute
State all test point coordinates in target location and be sent to described identification module 12 with the force value on described target location；
Described identification mould 12 pieces is for generating detection region centered by described center point coordinate, and described identification module 12 is also
For and calculate the number of contacts in described detection region, when the coordinate distance of any two test point is not more than predeterminable range
Time, then judge that two test points are adjacent, belong to same contact, and according to the number of contacts in described detection region and described mesh
Force value in cursor position judges whether touch is effectively to touch, the contact in the described detection region in described detection region
When number force value equal to one and on described target location is not less than described preset pressure threshold values, then it is judged as effectively touching,
Described target location is sent to described main control module 20.
In an embodiment of the present invention, described predeterminable range is the length shared by a test point.
In an embodiment of the present invention, described preset pressure threshold values is the numerical value calculated through differential evolution algorithm,
The minimum pressure values reached when normally contacting with touch screen for common people's Fingers outside of belly.
In an embodiment of the present invention, on the number of contacts in described detection region is more than one or described target location
Force value on described target location is less than preset pressure threshold values, and the most described touch recognition module 10 is judged as invalid touch.
In an embodiment of the present invention, when described touch recognition module 10 is judged as invalid touch, described main control module
20 do not generate the control instruction corresponding with target location.
In an embodiment of the present invention, described touch recognition module 10 also operates information with acquisition touch point；Wherein, institute
State touch point operation information and include the touch manner on described target location, such as click, slip, gesture etc..
Further, in an embodiment of the present invention, when being judged as effectively touching, described main control module 20 generates and institute
State the control instruction that touch point operation information is corresponding.
Concrete, described touch recognition module 10 includes capacitance pressure transducer, when user presses touch screen, and electric capacity
Distance between two capacitor plates of pressure transducer reduces, and then changes electric capacity.
Formula one: C=ε S/4 π kd, wherein, ε is the dielectric constant of medium between pole plate, and S is polar plate area, and d is between pole plate
Distance, C is the capacitance of capacity cell.
According to formula one, when the distance of two pole plates of capacitor reduces, electric capacity increases.
In one implementation, the variable quantity of electric capacity is converted into the variable quantity of magnitude of voltage.
Formula two: q=Cu, wherein q is the quantity of electric charge on capacitor plate；C is the capacitance of capacity cell；U is capacitor
Both end voltage.
According to formula two and formula one, when the quantity of electric charge on capacitor plate is constant, user presses the power of touch screen
Measuring the biggest, the distance between two pole plates of electric capacity is the least, and capacitance is the biggest, and the magnitude of voltage that capacitance is corresponding is the least.Therefore, pass through
Formula one and formula two, can obtain the pressure on the target location of pressing touch screen according to the variable quantity of the magnitude of voltage at electric capacity two ends
Force value on power target location.
It should be noted that for identical force value, the data that different pressure transducers gets there may be difference
Different, and in automation process and be not concerned with the unit of numerical value, therefore according to the difference of the pressure transducer chosen, obtain
The numerical value arrived is the most different.The present invention has only to distinguish relative pressure, and the present invention possesses differentiation mosquito and user's finger pressure simultaneously
Sensitivity.Such as: the force value that user applies is 10 Ns, the force value that pressure transducer A obtains is 1, and pressure transducer B obtains
The force value obtained is 10, and the force value that pressure transducer C obtains is 100.
Concrete, described main control module 20 includes single-chip microcomputer or central processing unit.
Concrete, described wireless module 30 include WiFi wireless communication module, zigbee wireless communication module, 430MHz without
Any one in line communication module, 2.4GHz wireless communication module.
It is embodied as in scene in the present invention one, by fast for intelligence based on touch screen false-touch prevention method provided by the present invention
Passing cabinet and be placed at the open air that mosquito is more, when target object contact touch screen, described acquisition module 11 can form multiple detection
Point, and calculate the central point in the region that the plurality of test point is formed, and centered by described central point, generate detection region, obtain
Taking the test point coordinate in described detection region, shown identification module 12 is according to described test point coordinate, it is judged that any two is examined
Measuring point is the most adjacent, if two test points are adjacent, then it is assumed that it belongs to same contact, calculates the number of contacts in detection region
Mesh；Described acquisition module 11 calculates on the target location of pressing touch screen according to the variable quantity of the magnitude of voltage at capacitor plate two ends
Force value；Described identification module 12 according to the number of contacts in described detection region and the force value on described target location,
Determine whether effectively to touch.
Due to the morphosis of mosquito own, as in figure 2 it is shown, often exist more than one on described detection region
Contact area, each contact area is made up of test point several described, and the test point in any one contact area is with another
The distance between test point in one contact area is commonly greater than described predeterminable range, the mosquito that therefore identification module 12 gets
Number of contacts in the described detection region of worm is less than described preset pressure valve more than the force value on one or described target location
Value, the most described identification module 12 is judged as invalid touch, and described main control module 20 does not generates according to the touch point information of mosquito
Any control instruction；Due to the finger pulp loss morphosis of user, as it is shown on figure 3, the described detection zone of user's finger
Number of contacts only one of which in territory, and the force value on described target location is not less than described preset pressure threshold values, therefore institute
State identification module 12 to be judged as effectively touching, and described touch point information is sent to described main control module 20, described master control mould
Block 20 generates and corresponding control instruction according to the described touch point information received, and described control instruction is sent to described
Performing module 40, described execution module 40, after receiving described control instruction, performs to perform corresponding behaviour with described control
Make, including ON/OFF electric control lock, ON/OFF bar code and reader for two-dimension code, ON/OFF photographic head, ON/OFF alarm, ON/OFF bill
The operation of the equipment such as print module.Described wireless module 30 can be by the service condition of intelligence express delivery cabinet, by wifi wireless network
Or mobile network is sent to terminal, instruction processed can also be sent to described nothing by wifi wireless network or mobile network by terminal
Wire module 30, then it is transferred to described main control module 20 by described wireless module 30, assign control instruction to intelligence express delivery cabinet.
Present invention also offers the intelligent express delivery cabinet of a kind of touch screen false-touch prevention method based on force value detection, at this
In a bright embodiment, as shown in Figure 6, including touch recognition module 10, main control module 20, wherein touch recognition module 10 is with main
Control module 20 is connected, and this system also includes wireless module 30, performs module 40；
Wherein, described main control module 20 is connected with described touch recognition module 10；
Described touch recognition module 10, for obtaining the force value on target location, is additionally operable on described target location
Force value compare with preset pressure threshold values, when the force value on described target location is not less than described preset pressure threshold values
Time, it is judged that for effectively touching, it is additionally operable to, when being judged as effectively touching, described target location is sent to described main control module；
The force value that the Fingers outside of belly that described preset pressure threshold values is behaved reaches when normally contacting with touch screen；
Described main control module 20, for when being judged as effectively touching, generates the control corresponding with described target location and refers to
Order；
Wherein, described target location is target object when contacting with touch screen, and touch screen is according to the touch operation sensed
The particular location of the touch calculated；Described target object includes finger and/or mosquito.
In an embodiment of the present invention, described touch recognition module 10 includes acquisition module 11 and identification module 12；
Described acquisition module 11 for obtaining the force value on target location, and by the force value on described target location with
Described target location is sent to described identification module 12；
Described identification module 12 is for comparing the force value preset pressure threshold values on described target location, when described
When force value on target location is not less than described preset pressure threshold values, it is judged that for effectively touching, be additionally operable to when judging that touch is
When effectively touching, described target location is sent to described main control module 20.
In an embodiment of the present invention, described preset pressure threshold values is the numerical value calculated through differential evolution algorithm,
The minimum pressure values reached when normally contacting with touch screen for common people's Fingers outside of belly.
In an embodiment of the present invention, when the force value on the described target location on described target location is less than described pre-
If during pressure threshold value, described touch recognition module 10 judges that this touch is invalid touch.
Further, when described touch recognition module 10 be judged as invalid touch time, described main control module 20 do not generate with
The control instruction that target location is corresponding.
In an embodiment of the present invention, described touch recognition module 10 also operates information with acquisition touch point；Wherein, institute
State touch point operation information and include the touch manner on described target location, such as click, slip, gesture etc..
Further, in an embodiment of the present invention, when described touch recognition module 10 is judged as effectively touching, described
Main control module 20 generates the control instruction corresponding with described touch point operation information.
Concrete, described touch recognition module 10 includes capacitance pressure transducer, when user presses touch screen, and electric capacity
Distance between two capacitor plates of pressure transducer reduces, and then changes electric capacity.
Formula one: C=ε S/4 π kd, wherein, ε is the dielectric constant of medium between pole plate, and S is polar plate area, and d is between pole plate
Distance, C is the capacitance of capacity cell.
According to formula one, when the distance of two pole plates of capacitor reduces, electric capacity increases.
In one implementation, the variable quantity of electric capacity is converted into the variable quantity of magnitude of voltage.
Formula two: q=Cu, wherein q is the quantity of electric charge on capacitor plate；C is the capacitance of capacity cell；U is capacitor
Both end voltage.
According to formula two and formula one, when the quantity of electric charge on capacitor plate is constant, user presses the power of touch screen
Measuring the biggest, the distance between two pole plates of electric capacity is the least, and capacitance is the biggest, and the magnitude of voltage that capacitance is corresponding is the least.Therefore, pass through
Formula one and formula two, can obtain the pressure on the target location of pressing touch screen according to the variable quantity of the magnitude of voltage at electric capacity two ends
Force value on power target location.
It should be noted that for identical force value, the data that different pressure transducers gets there may be difference
Different, and in automation process and be not concerned with the unit of numerical value, therefore according to the difference of the pressure transducer chosen, obtain
The numerical value arrived is the most different.The present invention has only to distinguish relative pressure, and the present invention possesses differentiation mosquito and user's finger pressure simultaneously
Sensitivity.Such as: the force value that user applies is 10 Ns, the force value that pressure transducer A obtains is 1, and pressure transducer B obtains
The force value obtained is 10, and the force value that pressure transducer C obtains is 100.
Concrete, described main control module 20 includes single-chip microcomputer or central processing unit.
Concrete, described wireless module 30 include WiFi wireless communication module, zigbee wireless communication module, 430MHz without
Any one in line communication module, 2.4GHz wireless communication module.
It is embodied as in scene in the present invention one, by fast for intelligence based on touch screen false-touch prevention method provided by the present invention
Passing cabinet and be placed at the open air that mosquito is more, when target object contacts with touch screen, described acquisition module 11 is according to electric capacity two ends
The variable quantity of magnitude of voltage calculate the force value on the target location of pressing touch screen；Described identification module 12 is according to described mesh
Force value in cursor position, determines whether effectively to touch.
Due to the morphosis of mosquito own, as in figure 2 it is shown, often mosquito force value on described target location
Less than described preset pressure threshold values, the most described identification module 12 is judged as invalid touch, and described main control module 20 is not according to mosquito
The touch point information of worm generates any control instruction；Due to the finger pulp loss morphosis of user, as it is shown in figure 1, use
The force value of family finger is not less than preset pressure threshold values, and the most described identification module 12 is judged as effectively touching, and by touch point
Information is sent to described main control module 20, and described main control module 20 generates according to the touch point information received and controls with corresponding
Instruction, and this control instruction is sent to described execution module 40, execution module 40, after receiving control instruction, performs and institute
State and control to perform corresponding operation, including ON/OFF electric control lock, ON/OFF bar code and reader for two-dimension code, ON/OFF photographic head, open/
The operation of the equipment such as alarm, ON/OFF bill printing module of closing.Described wireless module 30 can be by the use feelings of intelligence express delivery cabinet
Condition, is sent to terminal by wifi wireless network or mobile network, and terminal can also pass through wifi wireless network or mobile network
Instruction processed is sent to described wireless module 30, then is transferred to described main control module 20 by described wireless module 30, give intelligence fast
Pass cabinet and assign control instruction.
Obviously, above-described embodiment is only used to more clearly express the act that the method flow of technical solution of the present invention is made
Example, rather than the restriction to embodiment of the present invention.To those skilled in the art, the most all right
Making other changes in different forms, without departing from the inventive concept of the premise, these broadly fall into the guarantor of the present invention
Protect scope.The protection domain of patent the most of the present invention should be as the criterion with claims.
Claims (10)
1. a touch screen false-touch prevention method based on number of contacts with force value detection, it is characterised in that comprise the steps:
Obtain the force value on target location；
Obtain all test point coordinates in described target location, calculate the center point coordinate of described target location；
Centered by described center point coordinate generate detection region, when any two test point coordinate distance be not more than preset away from
From time, then judge that two test points are adjacent, belong to same contact, and calculate the number of contacts in described detection region；
Force value on the number of contacts in described detection region is equal to one, and described target location is not less than preset pressure valve
During value, then it is judged as effectively touching；
Wherein, described target location is target object when contacting with touch screen, and touch screen calculates according to the touch operation sensed
The particular location of the touch gone out；Described target object includes finger and/or mosquito；The size in described detection region is finger
Refer to the touch pressure that the outside of belly reaches when normally contacting with touch screen；Described test point is the minimum sample coordinate point of touch screen；Institute
State the force value that the Fingers outside of belly that preset pressure threshold values behaves reaches when normally contacting with touch screen.
A kind of touch screen false-touch prevention method based on number of contacts with force value detection, its feature
It is, also includes:
The force value being not equal on one, or described target location when the number of contacts in described detection region is less than described default pressure
During power threshold values, then it is judged as invalid touch.
3. a false-touch prevention method based on force value detection, it is characterised in that comprise the steps:
Obtain the force value on target location；
Force value on described target location is compared with preset pressure threshold values；
When the force value on described target location is not less than described preset pressure threshold values, it is judged that for effectively touching；
Wherein, described target location is target object when contacting with touch screen, and touch screen calculates according to the touch operation sensed
The particular location of the touch gone out；Described target object includes finger and/or mosquito；The Fingers that described preset pressure threshold values is behaved
The force value reached when the outside of belly normally contacts with touch screen.
A kind of false-touch prevention method based on force value detection, it is characterised in that also include:
When the force value on described target location is less than described preset pressure threshold values, then it is judged as invalid touch.
5. the false-touch prevention method as described in claim 1 or 3, it is characterised in that also include:
Obtain touch point operation information；Wherein, operation information in described touch point includes the touch manner on described target location.
6. an intelligent express delivery cabinet based on number of contacts with the false-touch prevention of force value detection, it is characterised in that including: touch and know
Other module, main control module；
Wherein, described main control module is connected with described touch recognition module；
Described touch recognition module, for obtaining the force value on target location；It is additionally operable to obtain in described target location all
Test point coordinate, calculates the center point coordinate of described target location, and generates detection region centered by described center point coordinate；
It is additionally operable to when the coordinate distance of any two test point is not more than predeterminable range, then judges that two test points are adjacent, belong to same
One contact, and calculate the number of contacts in described detection region；It is additionally operable to when the number of contacts in described detection region is equal to
When force value on one, and described target location is not less than described preset pressure threshold values, then it is judged as effectively touching, by described mesh
Cursor position is sent to described main control module；
Described main control module, for when being judged as effectively touching, generates the control instruction corresponding with described target location；
Wherein, described target location is target object when contacting with touch screen, and touch screen calculates according to the touch operation sensed
The particular location of the touch gone out；Described target object includes finger and/or mosquito；The size in described detection region is finger
Refer to the touch pressure that the outside of belly reaches when normally contacting with touch screen；Described test point is the minimum sample coordinate point of touch screen；Institute
State the force value that the Fingers outside of belly that preset pressure threshold values behaves reaches when normally contacting with touch screen.
A kind of intelligent express delivery cabinet based on number of contacts with the false-touch prevention of force value detection, it is special
Levy and be, also include:
The force value being not equal on one, or described target location when the number of contacts in described detection region is less than described default pressure
During power threshold values, the most described touch recognition module is judged as invalid touch.
8. the intelligent express delivery cabinet of a false-touch prevention based on force value detection, it is characterised in that including: touch recognition module, master
Control module；
Wherein, described main control module is connected with described touch recognition module；
Described touch recognition module, for obtaining the force value on target location, and by the force value on described target location with
Preset pressure threshold values compares；It is additionally operable to when the force value on described target location is not less than described preset pressure threshold values,
It is judged as effectively touching；It is additionally operable to, when being judged as effectively touching, described target location is sent to described main control module；
Described main control module, for when being judged as effectively touching, generates the control instruction corresponding with described target location；
Wherein, described target location is target object when contacting with touch screen, and touch screen calculates according to the touch operation sensed
The particular location of the touch gone out；Described target object includes finger and/or mosquito.
A kind of intelligent express delivery cabinet of false-touch prevention based on force value detection, it is characterised in that:
When the force value on described target location is less than described preset pressure threshold values, the most described touch recognition module is judged as nothing
Effect touches.
10. the intelligent express delivery cabinet of a kind of false-touch prevention as described in any in claim 6 or 8, it is characterised in that
Described touch recognition module also operates information with acquisition touch point；Wherein, operation information in described touch point includes
Touch manner on described target location.
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| CN201610616150.4A CN106249951A (en) | 2016-07-29 | 2016-07-29 | Based on number of contacts and the false-touch prevention method of force value detection and its intelligent express delivery cabinet |
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| CN201610616150.4A CN106249951A (en) | 2016-07-29 | 2016-07-29 | Based on number of contacts and the false-touch prevention method of force value detection and its intelligent express delivery cabinet |
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| CN108650414A (en) * | 2018-04-27 | 2018-10-12 | Oppo广东移动通信有限公司 | Processing method, device, storage medium and the electronic device of touch information |
| CN109710170A (en) * | 2019-01-02 | 2019-05-03 | 广州小鹏汽车科技有限公司 | A kind of method, apparatus, terminal device and the medium of touch control operation identification |
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