CN107907146A - The preparation method of liquid metal electrode, feeler and gesture identification gloves - Google Patents
The preparation method of liquid metal electrode, feeler and gesture identification gloves Download PDFInfo
- Publication number
- CN107907146A CN107907146A CN201711040195.2A CN201711040195A CN107907146A CN 107907146 A CN107907146 A CN 107907146A CN 201711040195 A CN201711040195 A CN 201711040195A CN 107907146 A CN107907146 A CN 107907146A
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- liquid metal
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- metal electrode
- prepared
- gloves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
- G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
- G01D5/2417—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying separation
Abstract
The present invention discloses the preparation method of liquid metal electrode, feeler and gesture identification gloves.The present invention injects liquid metal, then the method by freezing auxiliary transfer by microchannel, and liquid metal is transferred in thin-film material surface, finally with silicone encapsulation into liquid metal electrode.The liquid metal electrode preparation method of the present invention has the characteristics of electrode pattern design is various, and production cost is low, and production efficiency is high, is adapted to large-scale industrial production, prepared electrode has the characteristics that flexible height, thickness is small, electric conductivity is high, high sensitivity.Capacitive feeler high sensitivity prepared by the present invention, interference resistance are strong.Flexible wearable condenser type gesture identification gloves prepared by the present invention can be according to the difference of gesture so as to fulfill the control to object.
Description
Technical field
The present invention relates to liquid metal electrode field, more particularly to a kind of preparation method of liquid metal electrode, finger to connect
Touch the preparation method of sensor and the preparation method of gesture identification gloves.
Background technology
With the development of virtual reality technology, robot technology, gesture identification seems more and more important.Gesture Recognition
The gesture of the mankind can be gone out with discriminance analysis and allow the mankind to realize the effect controlled by certain gesture.And to realize gesture and know
Not, it is exactly directly to place sensors on hand most simply accurately to disturb few method, including bend sensor, sensing contact
Device, pressure sensor etc..This proposes requirement to flexible electronic, flexible sensor technology.
Used using the one of which strategy of flexible electronic technology manufacture flexible sensor less toxic, highly conductive, soft
Liquid metal is as material.Traditional method usually prints or injects liquid metal on a flexible substrate.It is but traditional
Method is not only of high cost, but also efficiency is low is unfavorable for industrial production.
Therefore, the prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of preparation side of liquid metal electrode
The preparation method of method, the preparation method of finger touching sensor and gesture identification gloves, it is intended to solve preparation solution in the prior art
State metal electrode is of high cost and efficiency low the problem of being unfavorable for industrial production.
Technical scheme is as follows：
A kind of preparation method of liquid metal electrode, includes the following steps：
A, by after film corona treatment, the mixture of one layer of silane prepolymer of rotary coating and curing agent, is consolidated afterwards
Change is handled, and obtains laminated film；
Obtained above-mentioned laminated film is cut into the size of finger, then carry out corona treatment B, then is covered in advance
The designed microchannel chip with electrode pattern；
C, liquid metal is added dropwise in microchannel chip entrance end, then carries out Fruit storage, return atmospheric conditions,
So that liquid metal enters microchannel chip；
D, the above-mentioned microchannel chip full of liquid metal is subjected to freezing processing, then opens microchannel chip and obtain liquid
State metal pattern, is packaged liquid metal pattern with the mixture of silane prepolymer and curing agent, and carries out curing process,
Obtain liquid metal electrode.
The preparation method of the liquid metal electrode, wherein, the film for pet film,
One kind in polydimethylsiloxanefilm film, polyurethane film, Kapton.
The preparation method of the liquid metal electrode, wherein, the liquid metal is gallium indium eutectic, in gallium indium tin eutectic
One or more.
The preparation method of the liquid metal electrode, wherein, in the mixture of the silane pre-polymer and curing agent, silicon
The mass ratio of alkane performed polymer and curing agent is 10:1.
The preparation method of the liquid metal electrode, wherein, in the step A and step D, in step A and step D,
The temperature of curing process is 60-70 DEG C, when the time of curing process is 2-3 small.
The preparation method of the liquid metal electrode, wherein, the time of corona treatment is 5-10 minutes.
The preparation method of the liquid metal electrode, wherein, in step C, the time of the Fruit storage is 5-
10 minutes.
The preparation method of the liquid metal electrode, wherein, in step D, the temperature of freezing processing is 0 to -10 DEG C, when
Between be 10-30 minutes.
A kind of preparation method of finger touching sensor, wherein, include the following steps：Two that method as described above is prepared
Root liquid metal electrode is bonded respectively on two different fingers of gloves, and finger touching sensor is prepared.
A kind of preparation method of gesture identification gloves, wherein, include the following steps：
Two liquid metal electrodes that method as described above is prepared are bonded respectively on two different fingers of gloves；
Each liquid metal electrode is connected with microcontroller circuit plate；
Microcontroller is connected with control object, gesture identification gloves are prepared.
Beneficial effect：A kind of method that the present invention is injected by microchannel plus freezes auxiliary transfer, liquid metal is turned
It is imprinted on thin-film material surface, then with silicone encapsulation into liquid metal electrode.The electrode preparation method of the present invention has electrode figure
The characteristics of case design is various, and production cost is low, and production efficiency is high, is adapted to large-scale industrial production, and prepared electrode has soft
Property it is high, thickness is small, electric conductivity is high, high sensitivity the characteristics of.Capacitive feeler high sensitivity prepared by the present invention, resists
Perturbed force is strong.Flexible wearable condenser type gesture identification gloves prepared by the present invention can according to gesture it is different so as to fulfill
Control to object.
Brief description of the drawings
Fig. 1 is the design drawing of liquid metal electrode in the embodiment of the present invention.
Fig. 2 is the MIcrosope image top view of the liquid metal electrode made by the embodiment of the present invention.
Fig. 3 is the MIcrosope image bottom view of the liquid metal electrode made by the embodiment of the present invention.
Capacitance contrast when Fig. 4 is the gallium indium eutectic electrode " not pinching " of the embodiment of the present invention and when making the gesture of " pinching " is shown
It is intended to.
Embodiment
The present invention provides a kind of preparation method of liquid metal electrode, the preparation method of finger touching sensor and gesture and knows
The preparation method of other gloves, to make the purpose of the present invention, technical solution and effect clearer, clear and definite, below to the present invention into
One step describes in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this
Invention.
A kind of preparation method of liquid metal electrodes of the present invention, includes the following steps：
A, by after film corona treatment, the mixture of one layer of silane prepolymer of rotary coating and curing agent, is consolidated afterwards
Change is handled, and obtains laminated film；
Obtained above-mentioned laminated film is cut into the size of finger, then carry out corona treatment B, then is covered in advance
The designed microchannel chip with electrode pattern；
C, liquid metal is added dropwise in microchannel chip entrance end, then carries out Fruit storage, return atmospheric conditions,
So that liquid metal enters microchannel chip；
D, the above-mentioned microchannel chip full of liquid metal is subjected to freezing processing, then opens microchannel chip and obtain liquid
State metal pattern, is packaged liquid metal pattern with the mixture of silane prepolymer and curing agent, and carries out curing process,
Obtain liquid metal electrode.
A kind of method that the present invention is injected by microchannel plus freezes auxiliary transfer, by liquid metal（Such as gallium-indium alloy）
It is transferred in thin-film material surface, then with silicone encapsulation into liquid metal electrode.The electrode preparation method of the present invention has electrode
The characteristics of design is various, and production cost is low, and production efficiency is high, is adapted to large-scale industrial production.Electricity prepared by the present invention
The characteristics of extremely flexible high, electric conductivity height, thickness are small, high sensitivity.
Preferably, the film is pet film, polydimethylsiloxanefilm film, thin polyurethane
One kind in film, Kapton etc..
Preferably, the liquid metal is the one or more in gallium indium eutectic, gallium indium tin eutectic etc..
Preferably, in the mixture of the silane pre-polymer and curing agent, the mass ratio of silane pre-polymer and curing agent
For 10:1.
Preferably, in step A and step D, the temperature of curing process is 60-70 DEG C, and the time of curing process is small for 2-3
When.
Preferably, in step B, the time of corona treatment is 5-10 minutes.
Preferably, in step C, the time of the Fruit storage is 5-10 minutes.
Preferably, in step D, the temperature of freezing processing is 0 to -10 DEG C, and the time is 10-30 minutes.
The present invention also provides a kind of preparation method of finger touching sensor, wherein, include the following steps：Will be as described above
Two liquid metal electrodes that method is prepared are bonded respectively on two different fingers of gloves, and finger contact is prepared
Sensor.
The flexible wearable condenser type finger touching sensor of liquid metal electrode provided by the invention.The condenser type hand
Abutment sensor is to be bonded respectively to be prepared on two different fingers of gloves by the liquid metal electrode；When two
Finger contact with liquid metal electrode, makes the gesture of " pinching ", then two electrodes constitute plane-parallel capacitor and two-plate
Apart from minimum, and due to the significantly reduction of distance, thus capacitance increases severely, so as to produce identification signal.
The present invention also provides a kind of preparation method of gesture identification gloves, it includes the following steps：
Two liquid metal electrodes that method as described above is prepared are bonded respectively on two different fingers of gloves；
Each liquid metal electrode is connected with microcontroller circuit plate；
Microcontroller is connected with control object, gesture identification gloves are prepared.
The method of present invention manufacture liquid metal finger electrode is simple, and has a wide range of application, and can be adapted for various thin
Membrane material such as PET, PI film etc.；Due to being the electrode on film, so electrode is flexible, the flexible fortune of finger is adapted to
Dynamic, highly wearable, the thickness of electrode prepared by the present invention is 500-700 microns.With this electrode, according to plate condenser machine
The sensor made is managed, electrical parameter values change greatly, can significantly identify two kinds of different gestures.
Technical scheme is described in detail below by embodiment.
Embodiment
After PET film substrate corona treatment, one layer of silane prepolymer of spin-coating and curing agent 10:1（Quality
Than）Mixture, afterwards temperature be 65 DEG C at cure 3 it is small when, obtain compound PET film；
Obtained above-mentioned compound PET film is cut into the size of finger, compound PET film is then handled with air plasma
Surface 10 minutes, then reversibly combine the pre-designed microchannel chip with electrode pattern；The design of electrode patterns
As shown in Figure 1, specific design parameter is：The mm of L1=66.5 mm, L2=15.1 mm, L3=7.0 mm, W1=5.4, W2=2.1
The mm of mm, W3=0.5；
Gallium indium eutectic drop is added dropwise in microchannel chip entrance end, then overall vacuum deaerates about 5 minutes, returns to big gas bar
During part, atmospheric pressure pumps gallium indium eutectic into microchannel；
The above-mentioned microchannel chip full of liquid metal is freezed 30 minutes at -10 DEG C, then opens microchannel chip,
Liquid metal pattern is obtained in compound PET film.
To liquid metals pattern with silane prepolymer and curing agent 10:1 mixture is packaged, then solid at 65 DEG C
Change 3 it is small when, obtain required flexible liquid metal electrode.Fig. 2 is the microscope of the liquid metal electrode made by the present embodiment
Image top view, Fig. 3 are the MIcrosope image bottom views of the liquid metal electrode made by the present embodiment.
Made gallium indium eutectic electrode is bonded respectively on two different fingers of gloves, gallium indium eutectic capacitance is made
Formula finger touching sensor；When two fingers with gallium indium eutectic electrode contact, the gesture of " pinching " is made, then two electrodes are formed
Plane-parallel capacitor and two-plate are apart from minimum, thus capacitance increases severely, so as to produce identification signal, as shown in Figure 4.
The gallium indium eutectic electrode is bonded respectively on the different fingers of gloves；By each gallium indium eutectic electricity
Pole is all connected with microcontroller circuit plate；Microcontroller is connected with laser emitter, so as to be prepared for launching the electricity of laser
Appearance formula gesture identification gloves.
In conclusion the preparation method of liquid metal electrode provided by the invention has, electrode pattern design is various, production
The characteristics of cost is low, and production efficiency is high, is adapted to large-scale industrial production.Capacitive feeler prepared by the present invention is sensitive
Degree is high, and interference resistance is strong.Flexible wearable condenser type gesture identification gloves prepared by the present invention can be according to the difference of gesture
So as to fulfill the control to object.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (10)
1. a kind of preparation method of liquid metal electrode, it is characterised in that include the following steps：
A, by after film corona treatment, the mixture of one layer of silane prepolymer of rotary coating and curing agent, is consolidated afterwards
Change is handled, and obtains laminated film；
Obtained above-mentioned laminated film is cut into the size of finger, then carry out corona treatment B, then is covered in advance
The designed microchannel chip with electrode pattern；
C, liquid metal is added dropwise in microchannel chip entrance end, then carries out Fruit storage, return atmospheric conditions,
So that liquid metal enters microchannel chip；
D, the above-mentioned microchannel chip full of liquid metal is subjected to freezing processing, then opens microchannel chip and obtain liquid
State metal pattern, is packaged liquid metal pattern with the mixture of silane prepolymer and curing agent, and carries out curing process,
Obtain liquid metal electrode.
2. the preparation method of liquid metal electrode according to claim 1, it is characterised in that the film is to be poly- to benzene two
One kind in formic acid glycol ester film, polydimethylsiloxanefilm film, polyurethane film, Kapton.
3. the preparation method of liquid metal electrode according to claim 1, it is characterised in that the liquid metal is gallium indium
One or more in eutectic, gallium indium tin eutectic.
4. the preparation method of liquid metal electrode according to claim 1, it is characterised in that the silane pre-polymer is with consolidating
In the mixture of agent, the mass ratio of silane pre-polymer and curing agent is 10:1.
5. the preparation method of liquid metal electrode according to claim 1, it is characterised in that in step A and step D, Gu
The temperature for changing processing is 60-70 DEG C, when the time of curing process is 2-3 small.
6. the preparation method of liquid metal electrode according to claim 1, it is characterised in that in step B, at plasma
The time of reason is 5-10 minutes.
7. the preparation method of liquid metal electrode according to claim 1, it is characterised in that in step C, the vacuum takes off
The time of gas disposal is 5-10 minutes.
8. the preparation method of liquid metal electrode according to claim 1, it is characterised in that in step D, freezing processing
Temperature is 0 to -10 DEG C, and the time is 10-30 minutes.
9. a kind of preparation method of finger touching sensor, it is characterised in that include the following steps：Claim 1-8 is any
Two liquid metal electrodes that item the method is prepared are bonded respectively on two different fingers of gloves, are prepared into one's hands
Abutment sensor.
10. a kind of preparation method of gesture identification gloves, it is characterised in that include the following steps：
Two liquid metal electrodes that such as any one of claim 1-8 the methods are prepared are bonded respectively to the two of gloves
On root difference finger；
Each liquid metal electrode is connected with microcontroller circuit plate；
Microcontroller is connected with control object, gesture identification gloves are prepared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040195.2A CN107907146A (en) | 2017-10-31 | 2017-10-31 | The preparation method of liquid metal electrode, feeler and gesture identification gloves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711040195.2A CN107907146A (en) | 2017-10-31 | 2017-10-31 | The preparation method of liquid metal electrode, feeler and gesture identification gloves |
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| CN107907146A true CN107907146A (en) | 2018-04-13 |
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| CN201711040195.2A Pending CN107907146A (en) | 2017-10-31 | 2017-10-31 | The preparation method of liquid metal electrode, feeler and gesture identification gloves |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113840471A (en) * | 2020-06-23 | 2021-12-24 | 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) | Method for preparing flexible electron and flexible electron |
| CN114705247A (en) * | 2022-04-02 | 2022-07-05 | 杭州师范大学 | Novel ion type capacitive pressure and temperature sensing fiber device capable of being manufactured in batch and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105592640A (en) * | 2014-10-22 | 2016-05-18 | 中国科学院理化技术研究所 | Flexible printed circuit fabricating method |
| CN106982516A (en) * | 2017-04-21 | 2017-07-25 | 深圳大学 | A kind of liquid metal printing process applied to flexible electronic |
-
2017
- 2017-10-31 CN CN201711040195.2A patent/CN107907146A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105592640A (en) * | 2014-10-22 | 2016-05-18 | 中国科学院理化技术研究所 | Flexible printed circuit fabricating method |
| CN106982516A (en) * | 2017-04-21 | 2017-07-25 | 深圳大学 | A kind of liquid metal printing process applied to flexible electronic |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113840471A (en) * | 2020-06-23 | 2021-12-24 | 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) | Method for preparing flexible electron and flexible electron |
| CN113840471B (en) * | 2020-06-23 | 2023-05-09 | 哈尔滨工业大学(深圳)(哈尔滨工业大学深圳科技创新研究院) | Method for preparing flexible electronic and flexible electronic |
| CN114705247A (en) * | 2022-04-02 | 2022-07-05 | 杭州师范大学 | Novel ion type capacitive pressure and temperature sensing fiber device capable of being manufactured in batch and preparation method thereof |
| CN114705247B (en) * | 2022-04-02 | 2023-09-22 | 杭州师范大学 | Ion type capacitive pressure and temperature sensing fiber device capable of being manufactured in batch and preparation method thereof |
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Application publication date: 20180413 |