CN109708594A - A kind of method and device detecting touch screen amount of deflection - Google Patents
A kind of method and device detecting touch screen amount of deflection Download PDFInfo
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- CN109708594A CN109708594A CN201811620051.9A CN201811620051A CN109708594A CN 109708594 A CN109708594 A CN 109708594A CN 201811620051 A CN201811620051 A CN 201811620051A CN 109708594 A CN109708594 A CN 109708594A
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Abstract
The embodiment of the present invention provides a kind of method and device for detecting touch screen amount of deflection, for detecting the amount of deflection of touch screen.The device for detecting touch screen amount of deflection includes: detection support and detector；The detection support, for fixing touch screen to be detected；The detector for sending detection signal to the touch screen direction to be detected, and receives the reflection signal of the detection signal；The detector is also used to determine the amount of deflection of the touch screen to be detected according to the first reflection signal and the second reflection signal；The first reflection signal is reflection signal of the touch screen to be detected when deformation occurs, and reflection signal when largest deformation occurs for touch screen to be detected described in the second reflection signal.
Description
Technical field
The present invention relates to field of terminal technology more particularly to a kind of method and devices for detecting touch screen amount of deflection.
Background technique
Amount of deflection is when stress or non-uniform temperature change, and center line of the bar is in the displacement of the lines or plate shell perpendicular to axis direction
Middle face is in the displacement of the lines perpendicular to middle face direction.
In the electronic terminal products such as mobile phone, plate, touch screen curtain using more and more extensive.For the performance of touch screen curtain,
It should be understood that its rigidity, i.e. amount of deflection after stress.By taking mobile phone, plate as an example, amount of deflection is bigger after stress, then touch screen and display screen
A possibility that shock, is bigger, then, it is possible to bring touch screen to split, the problems such as display screen is split.If it is known that the scratching of touch screen curtain
Degree, then corresponding gap can be reserved in the design phase, in order to avoid bump against after touch screen stress with display screen.Therefore, one is obtained
Amount of deflection of a touch screen curtain under specific stress, is necessary.
In the prior art, there is not the deflection test method of the touch screen for electronic terminal product.
Summary of the invention
The embodiment of the present invention provides a kind of method and device for detecting touch screen amount of deflection, for detecting the amount of deflection of touch screen.
On the one hand, the embodiment of the present invention provides a kind of device for detecting touch screen amount of deflection, comprising:
Detection support and detector；
The detection support, for fixing touch screen to be detected；
The detector for sending detection signal to the touch screen direction to be detected, and receives the detection
The reflection signal of signal；
The detector is also used to determine the touch screen to be detected according to the first reflection signal and the second reflection signal
Amount of deflection；The first reflection signal is reflection signal of the touch screen to be detected when deformation occurs, the second reflection letter
Reflection signal when largest deformation occurs for number described touch screen to be detected.
Further, the detector includes sound wave transceiver and processor；
The sound wave transceiver, for sending detection signal to the touch screen direction to be detected, and described in reception
Detect the reflection signal of signal；
The processor, for determining scratching for the touch screen to be detected according to the first reflection signal and the second reflection signal
Degree.
Further, the sound wave transceiver is also used to reflect signal from multiple groups and determines the first reflection signal and institute
State the second reflection signal.
Further, the image quality parameter of the frame image to be pushed away, the number for having pushed away frame image and maximum push away frame
Before pushing away frame strategy described in quantity satisfaction, further includes:
Determine that the picture quality of the frame image to be pushed away is greater than pre-set image quality threshold.
Further, described device further include: force application apparatus；
The force application apparatus, for making to be fixed on the touch screen to be detected in detection support, deformation occurs.
Further, the detector is located at the lower section of the detection support.
Further, the force application apparatus includes lifting structure and the ammunition on the lifting structure；
The force application apparatus when for the lifting structure to be set to setting height, discharges the ammunition, so that institute
Ammunition is stated to exert a force to the touch screen to be detected.
Further, the detector determines the tranmitting frequency of transmitting signal according to the material of the touch screen to be detected.
On the one hand, the present invention provides a kind of method for detecting touch screen amount of deflection, comprising:
The detector sends detection signal to the touch screen direction to be detected, and receives the detection signal
Reflect signal；
The detector determines the first reflection signal and the second reflection signal, first reflection from multiple groups reflection signal
Signal is reflection signal of the touch screen to be detected when deformation occurs, touch screen to be detected described in the second reflection signal
Reflection signal when largest deformation occurs；
The detector determines the touch screen to be detected according to the first reflection signal and the second reflection signal
Amount of deflection.
Further, the detector determines that every group of reflection signal corresponding time difference, the time difference are sending time
Time difference between receiving time；
Time difference maximum reflection signal is determined as the first reflection signal by the detector, by time difference the smallest reflection
Signal is determined as the second reflection signal.
Further, the frame unit that pushes away is specifically used for:
The detector determines the touch screen to be detected according to the first reflection signal and the second reflection signal
Amount of deflection, comprising:
The detector determines first distance according to the time difference of the first reflection signal；
The detector determines second distance according to the time difference of the second reflection signal；
The detector determines the amount of deflection of the touch screen to be detected according to the first distance and the second distance.
Based on the above-mentioned technical proposal, can by detector emit transmitting signal and for the transmitting signal it is corresponding
Reflect the amount of deflection that signal determines the touch screen of detection.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of device for detecting touch screen amount of deflection provided by the embodiments of the present application；
Fig. 2 is a kind of structural schematic diagram of device for detecting touch screen amount of deflection provided in an embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of device for detecting touch screen amount of deflection provided in an embodiment of the present invention；
Fig. 4 is a kind of flow diagram of method for detecting touch screen amount of deflection provided in an embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
The embodiment of the present invention provides a kind of device 100 for detecting touch screen amount of deflection, as shown in Figure 1, comprising:
Detection support 101 and detector 102；
The detection support 101, for fixing touch screen 103 to be detected；
The detector 102 for sending detection signal to 103 direction of touch screen to be detected, and receives institute
State the reflection signal of detection signal；
The detector 101 is also used to determine the touch to be detected according to the first reflection signal and the second reflection signal
The amount of deflection of screen 103；The first reflection signal is reflection signal of the touch screen to be detected 103 when deformation occurs, described
Reflection signal when the generation of touch screen 103 largest deformation to be detected described in the second reflection signal.
In device in the embodiment of the present invention, touch screen 103 to be detected is fixed in detection support 101, detection is utilized
Instrument 102 receives the first reflection letter of the detection signal to the transmitting detection signal of touch screen to be detected 103 when deformation occurs
Number, signal then is detected to the transmitting of touch screen to be detected 103 when largest deformation occurs using detector 102, and receive the inspection
The the second reflection signal for surveying signal determines scratching for touch screen 103 to be detected according to the first reflection signal and the second reflection signal
Degree.
Optionally, in embodiments of the present invention, detector 102 is placed on the lower section of detection support 101.
Optionally, in embodiments of the present invention, detector 102 determines transmitting letter according to the material of touch screen 103 to be detected
Number tranmitting frequency.
That is, different according to the material of touch screen 103 to be detected, the time for generating deformation is also different, according to difference
Touch screen to be detected 103 adjust detector 102 transmitting signal frequency.
Detector 102 in embodiments of the present invention can determine that the reflection signal received is the anti-of which transmitting signal
Signal is penetrated, optionally, the signal that detector 102 emits is acoustic signals, as shown in Fig. 2, detector 103 includes sound wave transceiver
1021 and processor 1022；Sound wave transceiver 1021 emits sound wave to touch screen 103 to be detected, and receives reflected acoustic wave, locates
Reason device 1022 determines the amount of deflection of touch screen 103 to be detected according to the sound wave of transmitting.
Optionally, in embodiments of the present invention, in order to guarantee, in largest deformation, receiving transmitting when touch screen 103
Sound wave and reflected acoustic wave is generated, sound wave transceiver 1021 emits multiple groups sound wave, sound wave transceiver to touch screen 103 to be detected
1021 can reflect signal from multiple groups determines the first reflection signal and the second reflection signal, i.e., what deformation occurs is to be checked
The the first reflection signal generated when surveying touch screen 103 and the second reflection signal when largest deformation occurs.
Optionally, in embodiments of the present invention, detection device 100 further includes force application apparatus 104, and force application apparatus 104 is used for
Making the touch screen to be detected 103 being fixed in detection support 101, deformation occurs.Optionally, as shown in figure 3, force application apparatus 104 is
Bead.
Certainly, optionally, force application apparatus 104 includes lifting structure 1041 and the ammunition on lifting structure 1041
1042；Force application apparatus 104 is for discharging ammunition 1042, so that ammunition when lifting structure 1041 is set to setting height
1042 exert a force to touch screen 103 to be detected.
Optionally, ammunition 1042 is bead, as shown in figure 3, bead is fixed on lifting structure 1041, and with it is to be checked
It surveys touch screen 103 and bead is discharged, to be checked after determining and touch screen 103 to be detected is apart from setting height apart from certain altitude
Touch screen 103 is surveyed to exert a force.
Based on the device of Fig. 1-Fig. 3, the embodiment of the present invention also provides a kind of method for detecting touch screen amount of deflection, such as Fig. 4 institute
Show, comprising:
Step 401, the detector sends detection signal to the touch screen direction to be detected, and receives the inspection
Survey the reflection signal of signal；
Step 402, the detector determines the first reflection signal and the second reflection signal from multiple groups reflection signal, described
First reflection signal is reflection signal of the touch screen to be detected when deformation occurs, to be checked described in the second reflection signal
Survey reflection signal when largest deformation occurs for touch screen；
Step 403, the detector determines described to be checked according to the first reflection signal and the second reflection signal
Survey the amount of deflection of touch screen.
Optionally, in step 403, the method for determining the first reflection signal and the second reflection signal specifically:
The detector determines that every group of reflection signal corresponding time difference, the time difference are sending time and receiving time
Between time difference；
Time difference maximum reflection signal is determined as the first reflection signal by the detector, by time difference the smallest reflection
Signal is determined as the second reflection signal.
Optionally, in step 403, the amount of deflection of touch screen to be detected is determined method particularly includes:
The detector determines first distance according to the time difference of the first reflection signal；
The detector determines second distance according to the time difference of the second reflection signal；
The detector determines the amount of deflection of the touch screen to be detected according to the first distance and the second distance.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the present invention
Form.It is deposited moreover, the present invention can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of device for detecting touch screen amount of deflection characterized by comprising
Detection support and detector；
The detection support, for fixing touch screen to be detected；
The detector for sending detection signal to the touch screen direction to be detected, and receives the detection signal
Reflection signal；
The detector is also used to determine scratching for the touch screen to be detected according to the first reflection signal and the second reflection signal
Degree；The first reflection signal is reflection signal of the touch screen to be detected when deformation occurs, the second reflection signal
Reflection signal when largest deformation occurs for the touch screen to be detected.
2. the apparatus according to claim 1, which is characterized in that the detector includes sound wave transceiver and processor；
The sound wave transceiver for sending detection signal to the touch screen direction to be detected, and receives the detection
The reflection signal of signal；
The processor, for determining the amount of deflection of the touch screen to be detected according to the first reflection signal and the second reflection signal.
3. the apparatus of claim 2, which is characterized in that the sound wave transceiver is also used to reflect signal from multiple groups
Determine the first reflection signal and the second reflection signal.
4. the apparatus according to claim 1, which is characterized in that described device further include: force application apparatus；
The force application apparatus, for making to be fixed on the touch screen to be detected in detection support, deformation occurs.
5. the apparatus according to claim 1, which is characterized in that the detector is located at the lower section of the detection support.
6. device according to claim 4, which is characterized in that the force application apparatus include lifting structure and be located at the liter
Ammunition in structure drops；
The force application apparatus when for the lifting structure to be set to setting height, discharges the ammunition, so that the throwing
Object is thrown to exert a force to the touch screen to be detected.
7. the apparatus according to claim 1, which is characterized in that the detector is according to the material of the touch screen to be detected
Determine the tranmitting frequency of transmitting signal.
8. a kind of method for detecting touch screen amount of deflection, which is characterized in that suitable for any device of claim 1~7, institute
The method of stating includes:
The detector sends detection signal to the touch screen direction to be detected, and receives the reflection of the detection signal
Signal；
The detector determines the first reflection signal and the second reflection signal, the first reflection signal from multiple groups reflection signal
It is reflection signal of the touch screen to be detected when deformation occurs, touch screen to be detected described in the second reflection signal occurs
Reflection signal when largest deformation；
The detector determines scratching for the touch screen to be detected according to the first reflection signal and the second reflection signal
Degree.
9. according to the method described in claim 8, it is characterized in that, the detector determines that first is anti-from multiple groups reflection signal
Penetrate signal and the second reflection signal, comprising:
The detector determines every group of reflection signal corresponding time difference, and the time difference is between sending time and receiving time
Time difference；
Time difference maximum reflection signal is determined as the first reflection signal by the detector, by time difference the smallest reflection signal
It is determined as the second reflection signal.
10. according to the method described in claim 9, it is characterized in that, the detector is according to the first reflection signal and institute
State the amount of deflection that the second reflection signal determines the touch screen to be detected, comprising:
The detector determines first distance according to the time difference of the first reflection signal；
The detector determines second distance according to the time difference of the second reflection signal；
The detector determines the amount of deflection of the touch screen to be detected according to the first distance and the second distance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620051.9A CN109708594B (en) | 2018-12-28 | 2018-12-28 | Method and device for detecting deflection of touch screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620051.9A CN109708594B (en) | 2018-12-28 | 2018-12-28 | Method and device for detecting deflection of touch screen |
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| CN109708594A true CN109708594A (en) | 2019-05-03 |
| CN109708594B CN109708594B (en) | 2020-12-04 |
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| CN2700878Y (en) * | 2003-12-24 | 2005-05-18 | 德州晶华集团振华有限公司 | Glass bending degree detecting equipment |
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