CN109799904A - A kind of touch feedback structure and preparation method thereof and application based on PVC gel driving - Google Patents
A kind of touch feedback structure and preparation method thereof and application based on PVC gel driving Download PDFInfo
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- CN109799904A CN109799904A CN201811610896.XA CN201811610896A CN109799904A CN 109799904 A CN109799904 A CN 109799904A CN 201811610896 A CN201811610896 A CN 201811610896A CN 109799904 A CN109799904 A CN 109799904A
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Abstract
The invention discloses a kind of touch feedback structure based on PVC gel driving and preparation method thereof and applications, including the cathode plane electrode plate, PVC gel film and anode mesh electrodes plate being cascading from top to bottom, PVC gel film can into the mesh of anode mesh electrodes plate, creeping deformation generates output displacement for touch feedback after applying DC voltage.Operation of the present invention is simple, PVCgel is responded fastly under voltage, and deformation is obvious, can export touch feedback.
Description
Technical field
The invention belongs to intellectual materials and Smart Structure Teehnology field, and in particular to a kind of touching based on PVC gel driving
Feel feedback arrangement and preparation method thereof and application.
Background technique
Haptic feedback technology (Haptic or Tactile Feedbacks) can be a series of dynamic by active force, vibration etc.
Sense of touch is reproduced as user.This mechanical stimulation can be applied to virtual scene in computer simulation or virtual objects
Auxiliary establishing and control, and reinforce the remote control for mechanical and equipment.Vibrator for haptic feedback technology is main
Include the following categories: eccentric rotor vibrator, it simulates the touch feedback movement of a click, needs 100 to 200 milli of time-consuming
Second, it is clicked if necessary to quickly repeat, this motor will generate apparent sluggish sense.And this motor is difficult to embody shake
Dynamic power, so vibrational feedback experience is very undesirable；Piezo actuator, and is eccentrically rotated the conventional electromagnetics such as electric motor actuator
Brake is compared, and the piezo actuator with touch feedback has optimal acceleration and power, and maximum insertion is highly and shortest
Response time；Simultaneously in the electroactive polymer actuation techniques occurred in the past 20 years, also there is new application in touch feedback field.
DEA (Dielectric Elastomer Actuator) is a kind of flexible polymer material, there is very high response speed, but
It is that all the time, there are two bottleneck problems for DEA material: driving field strength is very high, 1~10MV/m, therefore usually voltage is very high (thousands of
Volt)；Stability problem is primarily present heat and electrical breakdown problem；Electro-Mechanical Polymer (EMP) is U.S. QM
A kind of fluorinated polymer PVDF that Zhang teaches beginning of this century exploitation is modified polymeric piezoelectric material (Novasentis company).
Driving voltage is also higher, and electric field is strained 4%, elasticity modulus is in 700MPa in 1~80MV/m.Film thickness 20um, voltage can be
100V magnitude (usually higher), film thickness is very thin at this time, and the exciting force of generation is smaller.
In view of the above problems, PVC gel causes the extensive concern of people.PVC gel driver is a kind of novel EAP
Material, for characteristic between ionic and electric field type EAP material, driving frequency can reach several KHz, meet touch feedback
Technical need, and voltage is lower than electric field type, tens arrive several hectovolts.Usually used PVC granule of the degree of polymerization 3000~4000,
It is mixed with plasticiser with certain mass ratio, adds organic solvent tetrahydrofuran after mixing again and be diluted, be configured to polymer
Solution.Casting film is carried out using this polymer solution, natural air drying obtains certain thickness PVC gel film.Make in technical process
Low raw-material cost, manufacture craft is simple, and can obtain PVC gel of different shapes using mold of different shapes
Film.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of based on PVC
Touch feedback structure of gel driving and preparation method thereof and application, controllability are restricted by force, not by shape, can provide physics touching
The touch feedback structure of feel.
The invention adopts the following technical scheme:
A kind of touch feedback structure based on PVC gel driving, including the cathode plane being cascading from top to bottom
Electrode plate, PVC gel film and anode mesh electrodes plate, PVC gel film can be after applying DC voltage to anode mesh
Creeping deformation generates output displacement and is used for touch feedback in the mesh of electrode plate.
Specifically, the thickness of anode mesh electrodes plate is less than or equal to 500 μm, the thickness of PVC film is less than or equal to 400 μm,
The thickness of cathode plane electrode plate is less than or equal to 500 μm.
Specifically, cathode electrode plate is the plane electrode arranged using array.
Further, the shape of arrangement is rectangular, rectangle, circle or hexagon.
Specifically, the mesh mesh number of anode mesh electrodes plate is 50~200 mesh.
Another technical solution of the invention is a kind of production method of the touch feedback structure based on PVC gel driving,
The following steps are included:
S1, PVC granule and plasticiser dibutyl adipate are mixed and made into mixture, are then added into mixture organic
Solvent is diluted, and is configured to polymer solution；
S2, the polymer solution configured using step S1 are thin using 3D printing technique or casting technique production PVC gel
Film；
S3, production anode mesh electrodes and cathode plane electrodes；
S4, anode mesh electrodes plate and cathode plane electrode are prepared using 3D printing technique, machining, casting mode；
S5, anode mesh electrodes plate, the cathode plane electrode for making the step S2 PVC gel film made and step S3
The touch feedback structure based on PVC gel driving is made in plate superposition.
Specifically, the mass ratio of PVC granule and plasticiser dibutyl adipate is 1:(2~8 in step S1), PVC granule
The degree of polymerization be 1000~4000.
Further, organic solvent is tetrahydrofuran, and the mass ratio of mixture and tetrahydrofuran is 2:(3~7).
Specifically, using laser cutting, sun is made in PVC gel conducting wire and/or plating silver yarn by impact style in step S3
Polar net pore electrod and cathode plane electrode, PVC gel conducting wire and/or plating silver yarn doped with carbon black, carbon nanotube, graphene or
Silver nano-grain/line；Or by 3D printing, pour in the way of anode mesh electrodes and cathode plane electrode are made in copper or aluminium.
Another technical solution of the invention is, a kind of touch feedback structure based on PVC gel driving is in physical tactile
Application in feedback.
Compared with prior art, the present invention at least has the advantages that
A kind of touch feedback structure based on gel polyvinyl chloride of the present invention, PVC gel film be placed in upper electrode plate and
Between lower electrode plate, after applying DC voltage, creeping deformation occurs for PVC gel film, makes total at different frequencies
Exciting occurs, using the deformation principle of PVC gel, structure is simple, is easy to make.
Further, ratio upper and lower level electrode plate being arranged as far as possible is relatively thin, and the thickness of total can be made smaller.
Further, array arrangement can control different element deformations by control connecting line road, so as to set
Count into the touch feedback structure of multiple-unit combination.
Further, array arrangement is rectangular, rectangle, circle or hexagon, can be shown according to different pattern to be shown
Show different combined shapeds.
Invention additionally discloses a kind of production methods of touch feedback structure based on PVC gel driving, by not year-on-year
The configuration of the PVC solution of example, the PVC gel film of available difference pliability, meets different requirements.
Further, PVC gel laminated construction High power output, output displacement is obvious, and response frequency is fast.
In conclusion operation of the present invention is simple, PVCgel is responded fastly under voltage, deformation is obvious, and it is anti-can to export tactile
Feedback.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is deformation schematic diagram of the PVC gel of the present invention in electrical field deformation；
Fig. 2 is touch feedback structural schematic diagram of the present invention；
Fig. 3 is touch feedback structural unit scheme of installation of the present invention.
Wherein, 1. anode mesh electrodes plate；2.PVC gel film；3. cathode plane electrode plate.
Specific embodiment
In the description of the present invention, it is to be understood that, term " on ", "lower", "vertical", "horizontal", "top", "bottom",
The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of the description present invention and
Simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific orientation construction
And operation, therefore be not considered as limiting the invention.In addition, in the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
PVC gel is a kind of polymer based on a kind of Electro-stimulate response, deflection can occur under electric field action
Or the deformation to move up and down.A kind of excitation structure is designed, touch feedback device is made, physical tactile can be exported.
Fig. 2 and Fig. 3 are please referred to, the touch feedback structure based on gel polyvinyl chloride that the present invention provides a kind of, according to PVC
The electrostrictive principle of gel is made of, PVC the superposition of anode mesh electrodes plate 1, PVC gel film 2 and cathode plane electrode plate 3
Gel film 2 is arranged between anode mesh electrodes plate 1 and cathode plane electrode plate 3, passes through PVC gel after application DC voltage
Into the mesh of anode electrode plate 1 creeping deformation can occur for film 2, to generate output displacement.
Fine and closely woven mesh is had on anode electrode plate 1, mesh mesh number is 50~200 mesh, and cathode electrode plate 3 is using array
The plane electrode of arrangement, arrangement shape include rectangular, rectangle, circle and hexagon.
The thickness of anode mesh electrodes plate 1 is less than or equal to 500 μm, and the thickness of PVC film 2 is less than or equal to 400 μm, and cathode is flat
The thickness of face electrode plate 3 is less than or equal to 500 μm.
Referring to Fig. 1, to anode creeping deformation can occur for PVC gel, to make it in thickness after applying DC voltage
Direction deforms.
A kind of production method of the touch feedback structure based on PVC gel driving, comprising the following steps:
S1, with mass ratio 1:(2~8) ratio PVC granule and plasticiser dibutyl adipate are mixed and made into mixture,
The degree of polymerization of PVC granule is 1000~4000；Then it adds organic solvent tetrahydrofuran into mixture to be diluted, mixture
Mass ratio with tetrahydrofuran is 2:(3~7), polymer solution is configured to for making PVC gel film 2；
S2, PVC gel film 2 is made using 3D printing technique or casting technique；
S3, anode mesh electrodes 1 and cathode plane electrodes 3 use rigid metal, such as copper, aluminium to cut using laser
It cuts, the modes such as punching press make, or are mixed using conducting polymer such as carbon black, carbon nanotube, graphene, silver nano-grain/line etc.
Miscellaneous PVC gel conducting wire and/or plating silver yarn by 3D printing, pour etc. in the way of be made.
S4, anode mesh electrodes plate 1 and cathode plane electrode 3 are prepared using 3D printing technique, machining, casting mode；
S5, the anode mesh electrodes plate 1 that the step S2 PVC gel film 2 obtained and step S3 are obtained, cathode plane electricity
Pole plate 3, which is superimposed, is made the touch feedback structure based on PVC gel driving.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being described and shown in usually here in attached drawing is real
The component for applying example can be arranged and be designed by a variety of different configurations.Therefore, below to the present invention provided in the accompanying drawings
The detailed description of embodiment be not intended to limit the range of claimed invention, but be merely representative of of the invention selected
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Embodiment 1
The PVC solution that production PVC gel film 2 uses makes PVC gel film 2 using 3D printing technique；Using machine plus
Work mode makes anode mesh electrodes plate 1；Cathode plane electrode is made using machining mode, electrode material uses aluminium or copper.
PVC granule using the degree of polymerization 1000, with plasticiser dibutyl adipate (DBA) with the ratio of mass ratio 1:2
Mixing, adds organic solvent tetrahydrofuran again and is diluted after mixing, the mass ratio of mixture quality and tetrahydrofuran is 2:3,
Polymer solution is configured to for making PVC gel film 2；
Then by anode electrode 1, PVC film 2, cathode electrode 3, which passes through, to be laminated on together, and obtains a touch feedback list
Such unit is passed through stacking again and obtains a touch feedback structure by member.
Embodiment 2
The PVC solution that production PVC gel film 2 uses makes PVC gel film 2 using casting technique；Using casting side
Formula makes anode mesh electrodes plate 1；Cathode plane electrode is made using casting mode.Electrode material uses carbon black or carbon nanotube
The PVC gel conducting wire of doping.
It is mixed with the ratio of mass ratio 1:5 with plasticiser dibutyl adipate (DBA) using the PVC granule of the degree of polymerization 2500
It closes, adds organic solvent tetrahydrofuran after mixing again and be diluted, the mass ratio of mixture quality and tetrahydrofuran is 2:5, is matched
Polymer solution is set to for making PVC gel film 2；
Then by anode electrode 1, PVC film 2, cathode electrode 3, which passes through, to be laminated on together, and obtains a touch feedback list
Such unit is passed through stacking again and obtains a touch feedback structure by member.
Embodiment 3
The PVC solution that production PVC gel film 2 uses makes PVC gel film 2 using 3D printing technique；Using casting
Mode makes anode mesh electrodes plate 1；Cathode plane electrode is made using casting mode.Electrode material is received using graphene or silver
Rice grain/line doping plating silver yarn.
It is mixed with the ratio of mass ratio 1:7 with plasticiser dibutyl adipate (DBA) using the PVC granule of the degree of polymerization 3000
It closes, adds organic solvent tetrahydrofuran after mixing again and be diluted, the mass ratio of mixture quality and tetrahydrofuran is 2:6, is matched
Polymer solution is set to for making PVC gel film 2；
Then by anode electrode 1, PVC film 2, cathode electrode 3, which passes through, to be laminated on together, and obtains a touch feedback list
Such unit is passed through stacking again and obtains a touch feedback structure by member.
Embodiment 4
The PVC solution that production PVC gel film 2 uses makes PVC gel film 2 using casting technique；Using machining
Mode makes anode mesh electrodes plate 1；Cathode plane electrode is made using machining mode.Electrode material uses graphene or silver
Nano particle/line doping PVC gel conducting wire.
It is mixed with the ratio of mass ratio 1:8 with plasticiser dibutyl adipate (DBA) using the PVC granule of the degree of polymerization 4000
It closes, adds organic solvent tetrahydrofuran after mixing again and be diluted, the mass ratio of mixture quality and tetrahydrofuran is 2:7, is matched
Polymer solution is set to for making PVC gel film 2；
Then by anode electrode 1, PVC film 2, cathode electrode 3, which passes through, to be laminated on together, and obtains a touch feedback list
Such unit is passed through stacking again and obtains a touch feedback structure by member.
In conclusion above embodiments using different polymerization degree PVC gel make touch feedback structure, it is available not
Same pliability, the structure of different power outputs and displacement meet different requirements.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (10)
1. a kind of touch feedback structure based on PVC gel driving, which is characterized in that including what is be cascading from top to bottom
Cathode plane electrode plate (3), PVC gel film (2) and anode mesh electrodes plate (1), PVC gel film (2) can apply
Into the mesh of anode mesh electrodes plate (1), creeping deformation generates output displacement and is used for touch feedback after DC voltage.
2. the touch feedback structure according to claim 1 based on PVC gel driving, which is characterized in that anode mesh electricity
The thickness of pole plate (1) is less than or equal to 500 μm, and the thickness of PVC film (2) is less than or equal to 400 μm, cathode plane electrode plate (3)
Thickness is less than or equal to 500 μm.
3. the touch feedback structure according to claim 1 based on PVC gel driving, which is characterized in that cathode electrode plate
(3) plane electrode to be arranged using array.
4. the touch feedback structure according to claim 3 based on PVC gel driving, which is characterized in that the shape of arrangement
For rectangular, rectangle, circle or hexagon.
5. the touch feedback structure according to claim 1 based on PVC gel driving, which is characterized in that anode mesh electricity
The mesh mesh number of pole plate (1) is 50~200 mesh.
6. a kind of method of touch feedback structure of production based on PVC gel driving as described in any one of claims 1 to 5,
Characterized by comprising the following steps:
S1, PVC granule and plasticiser dibutyl adipate are mixed and made into mixture, organic solvent is then added into mixture
It is diluted, is configured to polymer solution；
S2, the polymer solution configured using step S1 make PVC gel film using 3D printing technique or casting technique；
S3, production anode mesh electrodes and cathode plane electrodes；
S4, anode mesh electrodes plate and cathode plane electrode are prepared using 3D printing technique, machining, casting mode；
S5, anode mesh electrodes plate, the cathode plane electrode plate of PVC gel film and step the S3 production that step S2 makes are folded
Add into the touch feedback structure driven based on PVC gel.
7. the production method of the touch feedback structure according to claim 6 based on PVC gel driving, which is characterized in that step
In rapid S1, the mass ratio of PVC granule and plasticiser dibutyl adipate is 1:(2~8), the degree of polymerization of PVC granule is 1000~
4000。
8. the production method of the touch feedback structure according to claim 7 based on PVC gel driving, which is characterized in that have
Solvent is tetrahydrofuran, and the mass ratio of mixture and tetrahydrofuran is 2:(3~7).
9. the production method of the touch feedback structure according to claim 6 based on PVC gel driving, which is characterized in that step
In rapid S3, using laser cutting, anode mesh electrodes and cathode is made in PVC gel conducting wire and/or plating silver yarn by impact style
Plane electrode, PVC gel conducting wire and/or plating silver yarn are doped with carbon black, carbon nanotube, graphene or silver nano-grain/line；Or
Person by 3D printing, pour in the way of anode mesh electrodes and cathode plane electrode are made in copper or aluminium.
10. a kind of touch to the touch feedback structure based on PVC gel driving described in any one of 5 in physics according to claim 1
Feel the application in feedback.
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| CN111113380A (en) * | 2019-12-14 | 2020-05-08 | 西安交通大学 | PVC gel driven flexible mechanical gripper and preparation method thereof |
| CN111785826A (en) * | 2020-06-11 | 2020-10-16 | 西安交通大学 | Low-voltage electrostriction actuator based on PVC gel driving |
| WO2021081684A1 (en) * | 2019-10-28 | 2021-05-06 | 南京大学 | Electronic paper display method based on liquid flow control |
| CN113375847A (en) * | 2021-06-01 | 2021-09-10 | 西安交通大学 | Ionic polymer friction sensing type artificial skin |
| CN113879572A (en) * | 2021-09-30 | 2022-01-04 | 中国人民解放军空军军医大学 | Anti-load clothes device based on PVC gel driving |
| CN113996252A (en) * | 2021-10-28 | 2022-02-01 | 西安交通大学 | Activation system for PVC gel activation |
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Application publication date: 20190524 |