CN206892837U - A kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric - Google Patents
A kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric Download PDFInfo
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- CN206892837U CN206892837U CN201720508848.4U CN201720508848U CN206892837U CN 206892837 U CN206892837 U CN 206892837U CN 201720508848 U CN201720508848 U CN 201720508848U CN 206892837 U CN206892837 U CN 206892837U
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Abstract
The utility model provides a kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric, including from top to bottom stack gradually upper piezoelectricity protective layer, upper transverse electrode trace layer, upper piezoelectric fabric active layers, lower transverse electrode trace layer, middle piezoelectricity protective layer, upper longitudinal electrode trace layer, lower piezoelectric fiber active layers, lower longitudinal electrode trace layer and push electrical protection.The three-dimensional tactile perceptual structure can not only perceive the position of contact, while can detect the feature such as the size of power, acceleration at application point, be greatly enriched the possibility of human-computer interaction function.
Description
Technical field
A kind of three-dimensional tactile perceptual structure is the utility model is related to, especially a kind of piezoelectric fabric is staggered three-dimensional tactile
Touch perceptual structure.
Background technology
At present, realize that the technology of three-dimensional perception mainly has in the prior art, Apple Inc. is formed by human body with electroplax
Electric capacity realize that two dimensional surface touches positioning, using flexible glass technology, screen produces micro-strain after stress, makes screen and shape
Become the distance between sensor to shorten, the mathematical computations by complexity draw the size of third dimension, i.e. pressure.Also have in addition and adopt
With Sandwich-type piezoelectric touch screen, it is foldable and can plastic deformation piezoelectric touch screen and three-dimensional multiple spot based on pressure sensor
Formula touch-screen etc..But capacitive touch screen is made up of an analogue inductive device and a Bidirectional intelligent controller, its shortcoming
It is that cost of manufacture is higher, easily by environmental disturbances during use, poor anti jamming capability, the material for operating object must be electric conductor, right
In have gloves on finger with water carry out touch-control situation or the weather such as rain, snow in outdoor application when, it is difficult to accurate capture is sent out
Raw touch-control behavior；For chip type piezoelectric element because its size limits, the component flexible is low fragile and for electric caused by Light deformation
Amount is few so that the sensitivity of detection is not high；Flexible low fragile, the Light deformation sensing hardly possible of distributed piezoelectricity, flood piezoelectricity involved by scheme
Material fit strip electrode, deformation position is sensed can distortion.
The content of the invention
The technical problems to be solved in the utility model be three-dimensional perception of the prior art either from hardware configuration or
All more complicated for software development, occupying system resources are larger.
In order to solve the above-mentioned technical problem, the utility model provides a kind of staggered three-dimensional tactile sense of piezoelectric fabric
Know structure, including from top to bottom stack gradually upper piezoelectricity protective layer, upper transverse electrode trace layer, upper piezoelectric fabric active layers,
Lower transverse electrode trace layer, middle piezoelectricity protective layer, upper longitudinal electrode trace layer, lower piezoelectric fiber active layers, lower longitudinal electrode draw
Line layer and push electrical protection；Upper piezoelectric fabric active layers are by the piezoelectric fabric that is horizontally arranged at interval and positioned at adj acent piezoelectric
Polyester isolating bar composition between fiber；Lower piezoelectric fiber active layers are by the piezoelectric fabric of longitudinally spaced setting and positioned at adjacent
Polyester isolating bar composition between piezoelectric fabric；The polarised direction of piezoelectric fabric perpendicular to piezoelectric fabric upper and lower side, and
Positive electrode and negative electrode are respectively equipped with the upper and lower side of piezoelectric fabric；Upper transverse electrode trace layer and lower transverse electrode trace layer
Lead cross direction profiles, and be connected respectively with the positive electrode in upper piezoelectric fabric active layers and negative electrode；Upper longitudinal electrode lead
Layer and lower longitudinal electrode trace layer on lead genesis analysis, and respectively with the positive electrode and negative electricity in lower piezoelectric fiber active layers
Extremely it is connected.
Sensor is made using the double-deck piezoelectric fabric being interspersed, can not only perceive the position of contact, while can examine
The feature such as the size of power, acceleration at application point is surveyed, the possibility of human-computer interaction function is greatly enriched, for high-caliber
Game function exploitation makes great sense；Using piezoelectric fabric and the spaced structure of polyester isolating bar, make display screen
It will not be damaged in the case of large deformation, product flexibility is higher.
It is upper transverse electrode trace layer, lower transverse electrode trace layer, upper vertical as further limits scheme of the present utility model
To the lead on contact conductor layer and lower longitudinal electrode trace layer, by main lead and at least, Liang Gen branches lead is formed；Point
Branch lead is drawn by main lead, and perpendicular with main lead；Master in upper transverse electrode trace layer and lower transverse electrode trace layer
Lead is parallel with the piezoelectric fabric in upper piezoelectric fabric active layers, branch's lead and correspondence position in upper piezoelectric fabric active layers
The positive electrode or negative electrode at place are connected.Using have on a piezoelectric fabric a plurality of segmented electrode lead be used for conduct detect electricity
Lotus, prevent piezoelectric fabric or the damage of which part contact conductor from causing charge measurement to be forbidden, the life-span of structure design is higher, no
It is fragile.
The beneficial effects of the utility model are：Sensor is made using the double-deck piezoelectric fabric being interspersed, not only can be with
The position of contact is perceived, while the feature such as the size of power, acceleration at application point can be detected, is greatly enriched man-machine interaction
The possibility of function, made great sense for the exploitation of high-caliber game function；Using between piezoelectric fabric and polyester isolating bar
Every the structure of arrangement, display screen is set to occur to damage in the case of large deformation, product flexibility is higher.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is piezoelectric fabric active layers end face partial schematic diagram of the present utility model；
Fig. 3 is generation piezoelectric voltage schematic diagram after piezoelectric fabric cross direction profiles of the present utility model pressing；
Fig. 4 is piezoelectric voltage of the present utility model-time change schematic diagram.
In figure:1st, upper piezoelectricity protective layer, 2, upper transverse electrode trace layer, 3, upper piezoelectric fabric active layers, 4, lower laterally electricity
Pole trace layer, 5, middle piezoelectricity protective layer, 6, upper longitudinal electrode trace layer, 7, lower piezoelectric fiber active layers, 8, lower longitudinal electrode draws
Line layer, 9, push electrical protection, 10, display screen, 11, piezoelectric fabric, 12, polyester isolating bar, 13, positive electrode, 14, negative electrode.
Embodiment
As shown in figure 1, the staggered three-dimensional tactile perceptual structure of piezoelectric fabric disclosed in the utility model, including by upper
Upper piezoelectricity protective layer 1, upper transverse electrode trace layer 2, upper piezoelectric fabric active layers 3, the lower transverse electrode stacked gradually under draws
Line layer 4, middle piezoelectricity protective layer 5, upper longitudinal electrode trace layer 6, lower piezoelectric fiber active layers 7, lower longitudinal electrode trace layer 8 and
Push electrical protection 9；Push electrical protection 9 and be fitted in display screen 10；Upper piezoelectric fabric active layers 3 are by the pressure that is horizontally arranged at interval
Electric fiber 11 and the polyester isolating bar 12 between adj acent piezoelectric fiber 11 form；Lower piezoelectric fiber active layers 7 are by longitudinal direction
Spaced piezoelectric fabric 11 and the polyester isolating bar 12 between adj acent piezoelectric fiber 11 form；Piezoelectric fabric 11
Polarised direction and is respectively equipped with positive electrode 13 perpendicular to the upper and lower side of piezoelectric fabric 11 in the upper and lower side of piezoelectric fabric 11
With negative electrode 14；The lead cross direction profiles of upper transverse electrode trace layer 2 and lower transverse electrode trace layer 4, and respectively with upper piezoelectricity
Positive electrode 13 in fiber active layers 3 is connected with negative electrode 14；In upper longitudinal electrode trace layer 6 and lower longitudinal electrode trace layer 8
Lead genesis analysis, and be connected respectively with the positive electrode 13 in lower piezoelectric fiber active layers 7 and negative electrode 14.
As further limits scheme of the present utility model, upper transverse electrode trace layer 2, lower transverse electrode trace layer 4, on
Lead in longitudinal electrode trace layer 6 and lower longitudinal electrode trace layer 8 is by main lead and at least Liang Gen branches lead structure
Into；Branch's lead is drawn by main lead, and perpendicular with main lead；Upper transverse electrode trace layer 2 and lower transverse electrode trace layer 4
On main lead it is parallel with the piezoelectric fabric 11 in upper piezoelectric fabric active layers 3, branch's lead and upper piezoelectric fabric active layers 3
The positive electrode 13 or negative electrode 14 of upper corresponding position are connected.
It is of the present utility model to include following step at work based on the staggered three-dimensional tactile perceptual structure of piezoelectric fabric
Suddenly：
Step 1, by the piezoelectricity in upper piezoelectric fabric active layers 3 and lower piezoelectric fiber active layers 7 in horizontal and vertical distribution
The real-time perception pressing force of fiber 11, and drawn by positive electrode 13 and negative electrode 14 by upper transverse electrode trace layer 2, lower transverse electrode
Line layer 4, upper longitudinal electrode trace layer 6 and lower longitudinal electrode trace layer 8 transfer out real-time piezoelectric signal；
Step 2, compare the horizontal most strong position of piezoelectric fabric 11 of piezoelectric signal of acquisition and longitudinal piezoelectric signal is most strong
The position of piezoelectric fabric 11, by the most strong piezoelectric fabric 11 of horizontal piezoelectric signal and the most strong piezoelectric fabric 11 of longitudinal piezoelectric signal
Crossover location is as the position coordinates actually pressed；
Step 3, the piezoelectric signal of the most strong piezoelectric fabric 11 of piezoelectric signal changes in piezoelectric fabric active layers 3 in calculating
Rate, actual pressing force size is judged according to piezoelectric signal rate of change.
Wherein, in step 3, piezoelectric signal rate of change is obtained by the peak value divided by signal elevating time of piezoelectric signal；Peak value
Obtained with signal elevating time by the response curve of piezoelectric fabric 11；Actual pressing force size is judged according to piezoelectric signal rate of change
Specifically：The piezoelectric signal rate of change gathered in real time is classified according to pressure threshold, and exports corresponding graded signal and uses
In Stress control.
The upper and lower surface of upper piezoelectric fabric active layers 3 is equipped with piezoelectricity protective layer 1, upper transverse electrode trace layer respectively
2nd, lower transverse electrode trace layer 4, middle piezoelectricity protective layer 5；Upper transverse electrode trace layer 2 and lower transverse electrode trace layer 4 are by drawing
Positive electrode 13 is led into external circuitses with negative electrode 14 with line or electronic circuit is connected with peripheral circuit, the electrode of piezoelectric fabric 11
Positioned at the upper and lower surface of piezoelectric fabric active layers, polarised direction is perpendicular to the upper and lower surface of piezoelectric fabric 11, i.e. polarised direction edge
The thickness direction of active layers；The upper and lower surface of lower piezoelectric fiber active layers 7 is equipped with middle piezoelectricity protective layer 5, upper longitudinal direction respectively
Contact conductor layer 6, lower longitudinal electrode trace layer 8 and electrical protection 9 is pushed, upper longitudinal electrode trace layer 6 and lower longitudinal electrode
Positive electrode 13 is led into external circuitses with negative electrode 14 by lead for trace layer 8 or electronic circuit is connected with peripheral circuit, pressure
The electrode of electric fiber 11 is located at the upper and lower surface of piezoelectric fabric active layers, upper following table of the polarised direction perpendicular to piezoelectric fabric 11
The thickness direction of face, i.e. polarised direction along active layers.
Paving mode of the piezoelectric fabric 11 in active layers is that strip is laid, and the piezoelectric direction of two layers of active layers
It is orthogonal, the overall display distribution that n × n is presented, wherein, n is the bar number of piezoelectric, n>2.
When piezoelectric type touch screen works, according to voltage caused by the obtained piezoelectric fabric 11 of measurement, you can obtain characterizing and touch
The data of dynamics size are touched, its voltage swing obtains the position of peak value, pressing position point coordinates as in this direction, such as Fig. 3
It is shown.Observe Fig. 3 to understand, piezoelectric voltage reaches peak value at the laying of Article 4 piezoelectric fabric 11, therefore Article 4 piezoelectricity in this direction
The position of material is the position locator value of touch point in this direction.
It is bent with the response of time by the piezoelectric voltage for contrasting same pressing moment same layer when piezoelectric type touch screen works
Line, curve shown in Fig. 4 can be obtained, action is an action of same time triggered, therefore the piezoelectric fabric 11 of diverse location is almost
Reach the peak value at the point simultaneously, while contrast the response curve of three different piezoelectric fabrics 11, the piezoelectric that numbering is 3
Response speed change is most fast, and the rate of change of piezoelectric voltage reflects the acceleration signature of deformation quantity in real time.In Fig. 4, the 3rd
Pressing acceleration growth at bar piezoelectric is most fast, and the pressing acceleration at the 1st article of piezoelectric fabric 11 increases most slow；Therefore can
To characterize the size of pressing force with the rate of change of piezoelectric voltage.
Claims (2)
- A kind of 1. staggered three-dimensional tactile perceptual structure of piezoelectric fabric, it is characterised in that：Including from top to bottom stacking gradually Upper piezoelectricity protective layer（1）, upper transverse electrode trace layer（2）, upper piezoelectric fabric active layers（3）, lower transverse electrode trace layer （4）, middle piezoelectricity protective layer（5）, upper longitudinal electrode trace layer（6）, lower piezoelectric fiber active layers（7）, lower longitudinal electrode trace layer （8）And push electrical protection（9）；Upper piezoelectric fabric active layers（3）By the piezoelectric fabric being horizontally arranged at interval（11）And position In adj acent piezoelectric fiber（11）Between polyester isolating bar（12）Composition；Lower piezoelectric fiber active layers（7）By longitudinally spaced setting Piezoelectric fabric（11）And positioned at adj acent piezoelectric fiber（11）Between polyester isolating bar（12）Composition；Piezoelectric fabric（11）'s Polarised direction is perpendicular to piezoelectric fabric（11）Upper and lower side, and in piezoelectric fabric（11）Upper and lower side on be respectively equipped with positive electricity Pole（13）And negative electrode（14）；Upper transverse electrode trace layer（2）With lower transverse electrode trace layer（4）Lead cross direction profiles, and Respectively with upper piezoelectric fabric active layers（3）On positive electrode（13）And negative electrode（14）It is connected；Upper longitudinal electrode trace layer（6）With Lower longitudinal electrode trace layer（8）On lead genesis analysis, and respectively with lower piezoelectric fiber active layers（7）On positive electrode（13） And negative electrode（14）It is connected.
- 2. the staggered three-dimensional tactile perceptual structure of piezoelectric fabric according to claim 1, it is characterised in that：Upper transverse direction Contact conductor layer（2）, lower transverse electrode trace layer（4）, upper longitudinal electrode trace layer（6）And lower longitudinal electrode trace layer（8） On lead by main lead and at least Liang Gen branches lead form；Branch's lead is drawn by main lead, and with main lead phase Vertically；Upper transverse electrode trace layer（2）With lower transverse electrode trace layer（4）On main lead and upper piezoelectric fabric active layers（3） On piezoelectric fabric（11）It is parallel, branch's lead and upper piezoelectric fabric active layers（3）The positive electrode of upper corresponding position（13） Or negative electrode（14）It is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720508848.4U CN206892837U (en) | 2017-05-09 | 2017-05-09 | A kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric |
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| CN201720508848.4U CN206892837U (en) | 2017-05-09 | 2017-05-09 | A kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970728A (en) * | 2017-05-09 | 2017-07-21 | 南京汇越光电科技有限公司 | A kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric and cognitive method |
| CN109728744A (en) * | 2019-01-23 | 2019-05-07 | 南京工程学院 | A kind of fiber push-off device and its working method based on stacked piezoelectric ceramics |
-
2017
- 2017-05-09 CN CN201720508848.4U patent/CN206892837U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106970728A (en) * | 2017-05-09 | 2017-07-21 | 南京汇越光电科技有限公司 | A kind of staggered three-dimensional tactile perceptual structure of piezoelectric fabric and cognitive method |
| CN106970728B (en) * | 2017-05-09 | 2024-05-24 | 南京舜易暻机电科技有限公司 | Three-dimensional touch sensing structure and sensing method with staggered piezoelectric fibers |
| CN109728744A (en) * | 2019-01-23 | 2019-05-07 | 南京工程学院 | A kind of fiber push-off device and its working method based on stacked piezoelectric ceramics |
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Effective date of registration: 20190315 Address after: Room 303, Block 67 H, Alfalfa Garden Street, Qinhuai District, Nanjing City, Jiangsu Province Patentee after: Nanjing Shunyi Rong Mechanical and Electrical Technology Co., Ltd. Address before: 211800 Room 505-4, Fifth Floor, East Building, No. 9 Huida Road, Pukou District, Nanjing City, Jiangsu Province Patentee before: Nanjing Yue Guang Photoelectric Technology Co., Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Three-dimensional touch perception structure with piezoelectric fibers in staggered arrangement and perception method Effective date of registration: 20190705 Granted publication date: 20180116 Pledgee: Zijin Branch of Nanjing Bank Co., Ltd. Pledgor: Nanjing Shunyi Rong Mechanical and Electrical Technology Co., Ltd. Registration number: 2019320000318 |
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Date of cancellation: 20200901 Granted publication date: 20180116 Pledgee: Zijin Branch of Nanjing Bank Co.,Ltd. Pledgor: Nanjing Shunyi Rong Mechanical and Electrical Technology Co.,Ltd. Registration number: 2019320000318 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A three dimensional touch sensing structure with staggered piezoelectric fibers Effective date of registration: 20200903 Granted publication date: 20180116 Pledgee: Zijin Branch of Nanjing Bank Co.,Ltd. Pledgor: Nanjing Shunyi Rong Mechanical and Electrical Technology Co.,Ltd. Registration number: Y2020980005686 |
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Date of cancellation: 20210909 Granted publication date: 20180116 Pledgee: Zijin Branch of Nanjing Bank Co.,Ltd. Pledgor: Nanjing Shunyi Rong Mechanical and Electrical Technology Co.,Ltd. Registration number: Y2020980005686 |
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