CN105117076B - Multi-functional touch sensing device - Google Patents
Multi-functional touch sensing device Download PDFInfo
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- CN105117076B CN105117076B CN201510411152.5A CN201510411152A CN105117076B CN 105117076 B CN105117076 B CN 105117076B CN 201510411152 A CN201510411152 A CN 201510411152A CN 105117076 B CN105117076 B CN 105117076B
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Abstract
The invention discloses a kind of multi-functional touch sensing device, and it is to include a ultrasonic component, intermediary's cushion and an output precision.Wherein, ultrasonic component is by intermediary's cushion with being connected, and to be detected for a contact object, output precision is to be electrically connected with ultrasonic component, and produces an at least image output according to the detecting result of ultrasonic component.Refer to image in one by image output is compared, it is of the invention can successful search why go out to contact pressure size that object born., then also can be by the difference of those images of analysis when image output is opened for plural number, and then calculate the pressure that contact object is born.By such a touch sensing device, the present invention can have the function of pressure detection and image detecting concurrently simultaneously, be for a successful multi-functional touch sensing device.
Description
Technical field
The invention relates to a kind of touch sensing device, particularly it is a kind of can detecting image and pressure simultaneously it is multi-functional
Touch sensing device.
Background technology
The background technology being based on by invention is described.Tactile sensing measurement system is similar to the function of human finger, when with
When object contacts, it is known that the feature of the body surface contacted and other physical property information, such as：Active force or pressure
Intensity and spatial distribution, body form and position, surface pattern quality, temperature, the characteristic information such as pliability or humidity.With
Scientific and technological now increasingly vigorously can significantly answer with development, current existing tactile sensing measurement system in industrial circle
Touch input equipment is used as such as control machine human action (such as crawl object), with reference to display, realizes that fingerprint is distinguished
The purposes such as knowledge or virtual reality (Virtual Reality).
In general, prior art, in industrial circle, the one of a kind of great representational non-intrusion type inspection method is
For ultrasound sensors.In general, ultrasound sensors are in the conversion efficiency such as electrical or mechanical by imparting voltage
Piezoelectric element person, so that ultrasonic is transmitted in the object of inspection caused by sensor, using ultrasonic in material
The property of the reflections such as boundary face, by via the vibration of its a part of back wave, voltage is transformed into via piezoelectric element again,
To be used as the method included, image conversion or Image Creation are checked.
At present, thickness is the thick structure of 200 millimeters of degree such as, or even the thin structure of several millimeters of degree, all can be by
Checked by existing ultrasound sensors.It should be noted, however, that scientific and technological background now, stress mostly it is multi-functional,
While focus on the property integrated with one another between different technologies；When application ultrasound sensors are into tactile sensing field, if then
When reaching the pressure for sensing the image of the object checked and being born simultaneously, then two or more biographies is needed to use mostly
Sensor is completed, and in view of this, as the quantity integrated needed for sensor with function more becomes huge, then overall sensor device is negative
Load, including：System combination, complexity and cost of manufacture, also all by with hurriedly increasing, undoubtedly turn into it is quite tight in the prior art
One problem of weight.
Edge is, in order to solve numerous missings that prior art has, the above-mentioned missing of the present inventor's thoughts improves, and according to
According to the correlation experience being engaged in for many years in this respect, carefully observe and study, and coordinate the utilization of scientific principle, and propose a kind of design
It is novel and be effectively improved the present invention of above-mentioned missing, its be disclose it is a kind of can simultaneously detecting image and pressure in the multi-functional of one
Touch sensing device, its specific framework and embodiment will be described under.
The content of the invention
To solve the problems, such as that prior art is present, a purpose of the invention is to be to provide a kind of multi-functional tactile sensing dress
Put, it is to make an improvement for existing touch sensor, and compared to prior art, such a novel touch sensing device is that have
Help provide preferable system combination and detection multifunctionality.
A further object of the present invention is to be to provide a kind of multi-functional touch sensing device, and such a touch sensing device is main
It is to be arranged in pairs or groups by the use of a ultrasonic component with the intermediary's cushion being connected as touch sensor, due to such a touch sensor
Simultaneously can be with the function of image detecting and pressure detection, therefore be for a successful multi-functional touch sensing device.
Another object of the present invention is to be to provide a kind of multi-functional touch sensing device, wherein being detectd using ultrasonic component
The result surveyed shown by contact object mainly can be because of the difference of pressure, and produces different image outputs.Therefore the present invention be can profit
With this image difference, reach while the purpose of detecting image and pressure, multi-functional touch sensing device is become, through practice
Confirm, using disclosed herein touch sensing device can have concurrently height detecting the work(such as benefit and excellent system combination
Effect.
Therefore the present invention is to disclose a kind of multi-functional touch sensing device, it includes：One ultrasonic component, have multiple
The sensing unit for sending and receiving signal is used in, to be detected to a contact object；One intermediary's cushion, it is arranged at described
Ultrasonic component with contacting between object；And an output precision, connect ultrasonic component.Wherein, output precision is basis
The detecting result of ultrasonic component produces an at least image output, and compares the image output and refer to image in one, to find out
The pressure that contact object is born.
According to an embodiment of the invention, wherein described intermediary's cushion further includes a first material layer and one second material
Layer, first material layer be it is neighbouring be arranged at contact object, second material layer be then arranged at first material layer and ultrasonic component it
Between.In one embodiment, the material of first material layer and second material layer for example can be for organic material, inorganic material or to have
The hybrid material that machine material is mixed with inorganic material.In addition, the thickness summation of first material layer and second material layer
It is that should be less than 5 millimeters；The acoustic reactance value of first material layer and second material layer is should to be respectively greater than 1.2 newton * seconds/rice3；Second material
The peeling force of the bed of material be greater than 1 kilogram/centimetre2。
Furthermore according to an embodiment of the invention, disclosed herein multi-functional touch sensing device further included one
Three material layers, wherein, relative to foregoing second material layer, the 3rd material layer is disposed on the another side of ultrasonic component
On.In one embodiment, the material of the 3rd material layer for example can be organic material, inorganic material or with organic material with it is inorganic
The hybrid material that material is mixed；The thickness of 3rd material layer is greater than or equal to 1 millimeter；The acoustic reactance value of 3rd material layer should
Less than 1.5 newton * seconds/rice3。
Still further, disclosed herein multi-functional touch sensing device, wherein described output precision also may be used
Simultaneously produce a plurality of image outputs, in the case, output precision be can by analyze those image outputs image difference,
Further to calculate the pressure that contact object is born, then it equally can be used to implement the goal of the invention of the present invention.
It is beneath to coordinate appended schema elaborate by specific embodiment, when being easier to understand the purpose of the present invention, skill
Art content, feature and its it is reached the effect of.
Brief description of the drawings
Fig. 1 is for the structural representation according to the multi-functional touch sensing device of one embodiment of the invention.
Fig. 2 is for the thin portion structural representation according to Fig. 1.
Fig. 3 A to Fig. 3 H are the schematic diagrames of the reference image under different pressures respectively according to embodiments of the present invention.
Fig. 4 is for the structural representation according to the multi-functional touch sensing device of yet another embodiment of the invention.
Drawing reference numeral explanation：
1 ' multi-functional touch sensing device
10 ultrasonic components
30 output precisions
100 contact objects
202 first material layers
204 second material layers
206 the 3rd material layers
The realization, functional characteristics and advantage of the object of the invention will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Present disclosure explanation is related to above, is to demonstrate and explain the essence of the present invention with following embodiment
God and principle, and the patent claim for providing the present invention is further explained.Feature, implementation and work(for the present invention
Effect, schema is hereby coordinated to make preferred embodiment detailed description as follows.
It is not easy to integrate to effectively solve existing sensor, and the making complexity and cost integrated are all relatively too high
Problem, the present invention be directed to these missings to propose a kind of preferable improved device, and it is can detecting image and pressure simultaneously for one kind
Power is in the multi-functional touch sensing device of one.In order to which technology contents of the present invention are better understood, first, refer to
Schematic diagram shown in Fig. 1 of the present invention, the present invention will be described in detail as follows accordingly.
Fig. 1 is for the structural representation according to the multi-functional touch sensing device of the embodiment of the present invention, as illustrated, multi-functional
Touch sensing device 1 is detected to contact object 100 to one, wherein, multi-functional touch sensing device 1 is to include one
Ultrasonic component 10, intermediary's cushion 20 and an output precision 30.According to an embodiment of the invention, ultrasonic component 10 is led
If to be detected to contact object 100, and providing sensing result, wherein, it is that there is multiple make in ultrasonic component 10
For sending and receiving the sensing unit of signal (as shown by arrows), to be detected to contact object 100.In general, by
Sound wave is mainly launched by a probe in the operating principle of ultrasonic component 10, the interface for encountering contact object 100 produces instead
Ripple is played, then is detected by probe, you can learns the relative position and sensing results of interface and probe.Due to this part of skill
Art actually person known to science and technology now, and the simultaneously invention emphasis of non-invention, therefore for the thin portion skill of this ultrasonic components
Art content, the present invention and without repeating.
Between intermediary's cushion (buffer) 20 is disposed on ultrasonic component 10 and contacts object 100, according to the present invention
An embodiment, as shown in Fig. 2 intermediary's cushion 20 for example may include there is a first material layer 202 and a second material layer
204, as illustrated, this first material layer 202 be it is neighbouring be arranged at contact object 100, and second material layer 204 is then arranged at the
Between one material layer 202 and ultrasonic component 10.
In one embodiment, the material selection of first material layer 202 and second material layer 204 for example can be：Organic material,
Inorganic material or be mixed with organic material and inorganic material hybrid material (such as：Dimethyl silicone polymer,
Polydimethylsiloxane, PDMS).Still further, as shown in Fig. 2 first material layer 202 and second material layer
204 its thickness summation T should be less than 5 millimeters (mm).As for the acoustic reactance value (acoustic impedance) of first material layer 202
It should be greater than 1.2 newton * seconds/rice3(N*s/m3), the acoustic reactance value of second material layer 204 also should be greater than 1.2 newton * seconds/rice3(N*s/
m3).In addition, it is contemplated that the peeling force of material, then the peeling force (peeling force) of second material layer 204 is to answer greatly
In 1 kilogram/centimetre2(kgf/cm2)。
Output precision 30 be electrically connected with the ultrasonic component 10, with according to the detecting result of ultrasonic component 10 produce to
A few image output, after, using by this image output, than the reference image for having had in database, then the present invention can
Why find out the pressure born of contact object 100.For example, Fig. 3 A to Fig. 3 H are to be pressed according to the embodiment of the present invention
The respectively schematic diagram of 200g, 300g, 400g, 500g, 1000g, 2000g, 3000g and 4000g reference image 40.Therefore
Thus see, after ultrasonic component 10 completes the detecting to contacting object 100 via the effect of intermediary's cushion 20, output
Component 30 is that image output can be produced according to its detecting result, and by comparing image output in referring to image 40, then this hair
Bright disclosed multi-functional touch sensing device is can be successfully by detecting image, and finds out contact object 100 and born
Pressure why, while reach the advantage for having image detecting and pressure detection concurrently.
Furthermore according to another embodiment of the present invention, image output is not with single caused by output precision 30
Limit.In other words, in another embodiment, output precision 30 also may be selected to produce plural number image output simultaneously, then in this situation
Under, output precision 30 is by an algorithm and then can to analyze the image difference of those image outputs, is connect with thereby calculating
The pressure that object 100 is born is touched, then such a embodiment aspect then also can be used to implement the goal of the invention of the present invention, and should cover
In the scope of the claims of the present invention.
For another aspect, it refer to shown in Fig. 4, it is for the multi-functional tactile sensing according to yet another embodiment of the invention
The structural representation of device, as illustrated, multi-functional touch sensing device 1 ' is except including foregoing ultrasonic component 10, first
Material layer 202, the output precision 30 of second material layer 204 and one it is outer, further included one the 3rd material layer 206.Wherein, this
Three material layers 206 are disposed on the another side of ultrasonic component 10 relative to foregoing second material layer 204.In other words,
In this embodiment, ultrasonic component 10, second material layer 204, first material layer 202, the contact material of object 100 and the 3rd
Layer 206 is to form a stack architecture.
The numerical value such as material selection and implementation thickness for the 3rd material layer 206, can be used in an embodiment of the present invention
The material of 3rd material layer 206 is, for example,：Organic material, inorganic material are mixed with organic material and inorganic material
Hybrid material (such as：Dimethyl silicone polymer, Polydimethylsiloxane, PDMS).As for the 3rd material layer 206
Thickness D then should be greater than or equal to 1 millimeter, and the acoustic reactance value of the 3rd material layer 206 should be less than 1.5 newton * seconds/rice3(N*s/m3)。
Therefore in summary, disclosed herein multi-functional touch sensing device, it is through utilizing a ultrasonic group
Part arranges in pairs or groups intermediary's cushion as tactile sensing component, to successfully reach while have concurrently the work(such as image detecting and pressure detection
Can, thereby form a multi-functional touch sensing device.Still further, due to utilizing shown by the detecting of ultrasonic component
Image, the difference of pressure can be born because it contacts object, and produce different image outputs.In view of this, the present invention is
Using for this characteristic, by the image comparison exported in reference to image, or using analyzing more than two image outputs
Difference, why to search or calculate the pressure value of contacted object.Compared to prior art, disclosed herein it is multi-functional
Touch sensing device, it is clear that there is preferable system combination, multifunction detecting benefit and excellent detecting efficiency, it is real that there is pole
Good industry development with extensively in the potentiality of development.
Illustrate, can substantially learn via above-mentioned technology, the applicable category of present invention institute, show compared to prior art
So significantly growth and expansion, by with higher industrial applicability and the preferable market competitiveness.Edge this, the obvious present invention
Purpose and efficacy be not only markedly superior to prior art, and disclosed herein technical characteristic, Method means and reach
Effect is to be significantly different than current programme, it is real it is non-for those skilled in the art can the person of being readily accomplished, therefore possessing has patent requirement.
Above-described many embodiments are only technological thought and features to illustrate the invention, and its purpose makes to be familiar with this
The personage of skill can understand present disclosure and implement according to this, when can not with the restriction present invention the scope of the claims, i.e.,
Generally the equivalent change made according to disclosed spirit or modification, should cover in the scope of the claims of the present invention.
Claims (12)
1. a kind of multi-functional touch sensing device, it is characterised in that for detecting the image of a contact object simultaneously and being born
Pressure, the multi-functional touch sensing device includes：
One ultrasonic component, there are multiple sensing units for being used in and sending and receiving signal, to be detectd to the contact object
Survey；
One intermediary's cushion, it is arranged between the ultrasonic component and the contact object；And
One output precision, connects the ultrasonic component, the output precision be according to the detecting result of the ultrasonic component produce to
A few image output, and compare the image output and refer to image in one, to find out the pressure that the contact object is born；
Intermediary's cushion further includes a first material layer and a second material layer, and the first material layer is neighbouring to be arranged at this and connect
Object is touched, the second material layer is disposed between the first material layer and the ultrasonic component.
2. multi-functional touch sensing device as claimed in claim 1, it is characterised in that the material of the first material layer is to have
Machine material, inorganic material or the hybrid material being mixed with organic material and inorganic material.
3. multi-functional touch sensing device as claimed in claim 1, it is characterised in that the material of the second material layer is to have
Machine material, inorganic material or the hybrid material being mixed with organic material and inorganic material.
4. multi-functional touch sensing device as claimed in claim 1, it is characterised in that the first material layer and second material
The thickness summation of layer is less than 5 millimeters.
5. multi-functional touch sensing device as claimed in claim 1, it is characterised in that the acoustic reactance value of the first material layer is big
In 1.2 newton * seconds/rice3。
6. multi-functional touch sensing device as claimed in claim 1, it is characterised in that the acoustic reactance value of the second material layer is big
In 1.2 newton * seconds/rice3。
7. multi-functional touch sensing device as claimed in claim 1, it is characterised in that the peeling force of the second material layer is big
In 1 kilogram/centimetre2。
8. multi-functional touch sensing device as claimed in claim 1, it is characterised in that the output precision be can produce it is a plurality of
The image output, and by the image difference for analyzing those image outputs, to calculate the pressure that the contact object is born.
9. multi-functional touch sensing device as claimed in claim 1, it is characterised in that one the 3rd material layer is further included, wherein
3rd material layer is disposed on relative to the second material layer on the another side of the ultrasonic component.
10. multi-functional touch sensing device as claimed in claim 9, it is characterised in that the material of the 3rd material layer be for
Organic material, inorganic material or the hybrid material being mixed with organic material and inorganic material.
11. multi-functional touch sensing device as claimed in claim 9, it is characterised in that the thickness of the 3rd material layer is big
In or equal to 1 millimeter.
12. multi-functional touch sensing device as claimed in claim 9, it is characterised in that the acoustic reactance value of the 3rd material layer is
Less than 1.5 newton * seconds/rice3。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411152.5A CN105117076B (en) | 2015-07-13 | 2015-07-13 | Multi-functional touch sensing device |
| TW104136342A TWI574031B (en) | 2015-07-13 | 2015-11-04 | Multi - function tactile sensing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510411152.5A CN105117076B (en) | 2015-07-13 | 2015-07-13 | Multi-functional touch sensing device |
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| CN105117076A CN105117076A (en) | 2015-12-02 |
| CN105117076B true CN105117076B (en) | 2018-01-23 |
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| CN201510411152.5A Active CN105117076B (en) | 2015-07-13 | 2015-07-13 | Multi-functional touch sensing device |
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| TW (1) | TWI574031B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072468A (en) * | 2016-11-15 | 2018-05-25 | 南台科技大学 | For detecting the ultrasonic wave touch sensor of chucking power |
| CN106842207B (en) * | 2017-01-16 | 2019-07-09 | 业成科技（成都）有限公司 | Sensing device |
| CN109240550B (en) * | 2018-08-10 | 2022-04-15 | 业泓科技(成都)有限公司 | Touch display module and electronic device using same |
| TWI699511B (en) * | 2018-11-12 | 2020-07-21 | 國立中央大學 | Tactile sensor applied to a humanoid robots |
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| CN101260237A (en) * | 2008-04-11 | 2008-09-10 | 合肥工业大学 | Pressure sensitive material used for flexible touch sensation sensor and preparation method thereof |
| CN103109252A (en) * | 2010-05-14 | 2013-05-15 | 索纳维森股份有限公司 | Methods and systems for pointing device using acoustic impediography |
| CN104765457A (en) * | 2015-04-13 | 2015-07-08 | 业成光电（深圳）有限公司 | Tactile sensing device |
| CN104968280A (en) * | 2013-02-11 | 2015-10-07 | 皇家飞利浦有限公司 | Ultrasound imaging system and method |
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| US20060004290A1 (en) * | 2004-06-30 | 2006-01-05 | Smith Lowell S | Ultrasound transducer with additional sensors |
| JP4117851B2 (en) * | 2006-08-07 | 2008-07-16 | 日本アビオニクス株式会社 | Method and apparatus for connecting printed wiring board |
| US7578180B2 (en) * | 2007-06-29 | 2009-08-25 | The Goodyear Tire & Rubber Company | Tread depth sensing device and method for measuring same |
| DE102010063549A1 (en) * | 2010-12-20 | 2012-06-21 | Robert Bosch Gmbh | Ultrasonic based measuring device and method |
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- 2015-07-13 CN CN201510411152.5A patent/CN105117076B/en active Active
- 2015-11-04 TW TW104136342A patent/TWI574031B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260237A (en) * | 2008-04-11 | 2008-09-10 | 合肥工业大学 | Pressure sensitive material used for flexible touch sensation sensor and preparation method thereof |
| CN103109252A (en) * | 2010-05-14 | 2013-05-15 | 索纳维森股份有限公司 | Methods and systems for pointing device using acoustic impediography |
| CN104968280A (en) * | 2013-02-11 | 2015-10-07 | 皇家飞利浦有限公司 | Ultrasound imaging system and method |
| CN104765457A (en) * | 2015-04-13 | 2015-07-08 | 业成光电（深圳）有限公司 | Tactile sensing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105117076A (en) | 2015-12-02 |
| TW201702631A (en) | 2017-01-16 |
| TWI574031B (en) | 2017-03-11 |
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