CN206286121U - A kind of imitative cilium formula high accuracy nanodrop ejecting device - Google Patents
A kind of imitative cilium formula high accuracy nanodrop ejecting device Download PDFInfo
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- CN206286121U CN206286121U CN201621231140.0U CN201621231140U CN206286121U CN 206286121 U CN206286121 U CN 206286121U CN 201621231140 U CN201621231140 U CN 201621231140U CN 206286121 U CN206286121 U CN 206286121U
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- cilium
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- liquid
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Abstract
The utility model is related to a kind of imitative cilium formula high accuracy nanodrop ejecting device, belongs to droplet discharging head device.Polyethylene terephthalate nozzle is arranged on support bottom, the field coil is rack-mount and positioned at ethylene glycol terephthalate nozzle top, focused transducer is rack-mount and on field coil, there is bionical cilium on described polyethylene terephthalate nozzle body lower section inwall, main body top is liquid storage cylinder.Advantage is novel structure, and the swing of Magnaglo is controlled by alternating magnetic field, realizes that injection fluent material carries out nanometer-scale motions, and contactless focusing ultrasound provides droplet power and improves jet velocity, greatly improves droplet ejection precision；The liquid-drop diameter of injection is less than jet diameters, can be used for the injection of all low viscosity droplet materials such as electrochemical electrolysis liquid, cell suspending liquid, Photo-sensitive Resins With Low Viscosity.
Description
Technical field
The utility model is related to a kind of droplet discharging head device, and in particular to sprayed to a kind of imitative cilium formula high accuracy nanodrop
Head device.
Background technology
Droplet ejection technology is to act on the technology for causing that liquid is projected in the form of droplet from nozzle, injection by external force
Droplet size it is very accurate, general up to nanoliter to microlitre magnitude, even up to picoliters magnitude, the technology has resolution ratio
The features such as height, simple structure, wide suitable material scope, have a wide range of application practical having broad application prospects.
The key problem in technology of droplet ejection depends on microsphere sprayer head, at present typical droplet ejection technology principle have pneumatic type,
Mechanically, thermal bubble type, piezoelectric type etc.：
1）Pneumatic type microsphere sprayer head by controlling the compressed gas in shower nozzle, one pressure of fluent material of feed pipe or needle tubing
Metered injection is realized in power effect.The shower nozzle is applied to extensive fluent material, and the diameter for spraying drop depends on compressed gas pair
Fluent material actuating pressure size and action time length.But compressed gas volume increase causes pressure to reduce in course of injection,
The hysteresis quality and compressibility that gas is present can cause fluent material in the injection delay of nozzle, and response speed is slack-off, uniformity
Also change, while being difficult to ensure that precision higher；
2）Mechanical microsphere sprayer head passes through mechanical movement（Piston etc. is moved）Fluent material in shower nozzle is extruded and sprayed
To substrate, droplet size and extruded velocity are influenceed by nozzle diameter and mechanical movement, it is adaptable to the spray of high viscosity liquid
Penetrate, but due to having moving component in shower nozzle cavity, there is mechanical wear and impact inside shower nozzle, fluent material may occur property
Change；
3）Hot bubble type microsphere sprayer head produces thermal, pressure in bubbles effect drop to spray by shower nozzle local heating, should
Method is limited larger by material, and blasting materials have certain influence in heating process on chemically or physically property, so as to influence
Accuracy of spray；
4）Piezoelectric microsphere sprayer head makes piezo-electric crystal produce displacement or mechanical oscillation by voltage pulse, causes shower nozzle needle tubing
Internal pressure changes, and the pressure of generation causes that fluent material overcomes its surface tension and sprays, but piezo-electric crystal Oscillation Amplitude is
Micron order, it is impossible to realize that nanosized liquid droplets spray, and injection drop frequency cannot wide variation.
Current microsphere sprayer head cannot be realized stablizing nanoscale droplet ejection, and there is the drop formed in course of injection
Diameter is all higher than nozzle diameter, it is impossible to the shortcomings of injection is less than or equal to the drop of nozzle diameter.
The content of the invention
The utility model provides a kind of imitative cilium formula high accuracy nanodrop ejecting device, to solve current drop injection essence
The relatively low and current shower nozzle of degree sprays problem of the liquid-drop diameter more than jet diameters that drop is present.
The utility model is adopted the technical scheme that：Polyethylene terephthalate nozzle is arranged on support bottom, institute
State field coil it is rack-mount and positioned at ethylene glycol terephthalate nozzle top, focused transducer be arranged on branch
On frame and on field coil, there is bionical cilium on described polyethylene terephthalate nozzle body lower section inwall,
Main body top is liquid storage cylinder.
The structure of described bionical cilium is：Magnaglo is fixedly connected with organic siliconresin, and organic siliconresin is connected to
On polyethylene terephthalate nozzle body inner surface, graphene oxide is coated on surface of silicone resin, graphite oxide
There is functional group on alkene surface.
The bionical cilium is highly 1-50um, a diameter of 500-1000nm, bionical cilium battle array on every square millimeter of area
The number of row is 100-10000.
The graphene oxide thickness is 5-50nm.
The utility model has the advantages that structure is novel, the swing of Magnaglo is controlled by alternating magnetic field, realize injection liquid
Body material carries out nanometer-scale motions, and contactless focusing ultrasound provides droplet power and improves jet velocity, greatly improves droplet
Accuracy of spray；Alternating magnetic field and focusing supersonic frequency are easily changed, and are easy within the specific limits by changing alternating magnetic field frequency
Change drop ejection frequency and injection rate with supersonic frequency is focused on, realize that high-efficiency high-precision drop sprays；Solve current spray
Head injection liquid-drop diameter is more than the problem of jet diameters, and it is straight that the liquid-drop diameter that the utility model ejecting device sprays is less than shower nozzle
Footpath, improves printing precision；Suitable material scope is wide, alternating magnetic field and to focus on ultrasound intensity relatively low, to material character substantially without
Influence, can be used for the injection of all low viscosity droplet materials such as electrochemical electrolysis liquid, cell suspending liquid, Photo-sensitive Resins With Low Viscosity.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the utility model polyethylene terephthalate nozzle；
Fig. 3 is the I portions enlarged drawing of Fig. 2；
Fig. 4 is the structural representation of the bionical cilium mould of the utility model；
Fig. 5 is the structural representation in the bionical cilium mould cilium hole of the utility model.
Specific embodiment
Polyethylene terephthalate nozzle 1 is arranged on the bottom of support 2, and the field coil 3 is arranged on support 2 simultaneously
Positioned at the top of ethylene glycol terephthalate nozzle 1, focused transducer 4 is arranged on support 2 and positioned at field coil 3
On, there is bionical cilium on the described lower section inwall of 1 main body of polyethylene terephthalate nozzle 101, the top of main body 101 is storage
Sap cavity；
The structure of described bionical cilium is：Magnaglo 103 is fixedly connected with organic siliconresin 105, organic siliconresin
It is connected on the inner surface of polyethylene terephthalate nozzle body 101, graphene oxide 102 is coated on organic siliconresin
There is functional group 104 on 105 surfaces, the surface of graphene oxide 102.
The bionical cilium is highly 1-50um, a diameter of 500-1000nm, bionical cilium battle array on every square millimeter of area
The number of row is 100-10000.
The graphene oxide thickness is 5-50nm.
The lower realization of alternating magnetic field that bionical cilium can be produced in field coil 3 swing back and forth, and not with injection liquid
Material sticks, and pushes it into the bottom of polyethylene terephthalate nozzle 1, and provides power pair by focused transducer
Droplet carries out motion acceleration, until spraying.
Described bionical cilium is as obtained in the following steps：
（1）By Magnaglo and organic siliconresin according to mass ratio 1:1-1:3 are mixed, and the Magnaglo is diameter
The cobalt of 50-200nm；
（2）Solvent xylene is pressed and organic siliconresin mass ratio 1：0.1 ~ 1.5 adds step（1）In mixture in,
And ultrasonic disperse 6-10min is carried out under 150-200W power using ultrasonic dispersers, using mechanical agitator in 1200-
1500r/min rotating speeds stir 10-30min, add the siloxanes of organic siliconresin quality 10%-20% and continue to stir 5-10min
Obtain Magnaglo organic siliconresin suspension；
（3）By step（2）The Magnaglo organic siliconresin suspension of gained is coated in template and is filled in pattern hole
In hole, and it is pressed into polyethylene terephthalate nozzle body, is placed in induction magnetic in the uniform magnetic field of 3000-8000GS
Property powder carry out self assembling process, and solidify 6-12 hours at 60-75 DEG C, it is uniformly distributed in polyethylene terephthalate
Ester nozzle body inwall, after be placed in 95-120 DEG C of hot water and dissolve template, obtain photocureable magnetic powder organic siliconresin；
（4）To step（3）Gained photocureable magnetic powder organic siliconresin carries out air atmosphere glow plasma irradiation, makes it
Dried with washes of absolute alcohol 3-5 times after surface active and under 50-80 DEG C of environment, obtain activating Magnaglo organosilicon tree
Fat；The operating parameter of described air atmosphere glow plasma is：80-120V voltages, 1.0-2.0A electric currents；The irradiation is used
The ultraviolet light irradiation 8-16h of the 200-300nm of 14W；
（5）By step（4）Middle gained activation Magnaglo organic siliconresin is dipped in through the graphene oxide of modified with functional group
30-60s in solution, is then pulled out with the speed of 1.0-15cm/min and is placed in the uniform magnetic field of 8000-15000GS, 60-70
DEG C drying and processing, this process is repeated 3-5 time, is coated through the oxidation of modified with functional group in activation Magnaglo surface of silicone resin
Graphene, obtains unstable bionical cilium；
（6）By step（5）The unstable bionical cilium of gained irradiates 10-24h under being placed in the 350nm ultraviolet lights of 14W, obtains
To the bionical cilium of stabilization.
The preparation method of the described graphene oxide solution through modified with functional group, comprises the following steps：
（1）For polar liquid, functional group is isocyanates；
（a）It is 1 that dry graphene oxide is added into mass ratio:In 1 ~ 5 dimethylformamide, it is subsequently adding and graphite oxide
Alkene mass ratio is 1:0.2 ~ 0.5 benzene, mixture is placed in stainless steel cauldron and is heated to 90 DEG C of reaction 0.5-2h；
（b）By above step（a）Gained pours into trichloro ethylene, filtering, washing, and repeats the step 5 time；
（c）By above step（b）Gained is placed in vacuum oven the oxidation stone that isocyanate-modified is obtained by 60 DEG C of dryings
Black alkene；
（d）By above step（c）The graphene oxide of the isocyanate-modified of gained is dissolved in ethanol, is obtained through functional group
The graphene oxide solution of modification；
（2）For nonpolar liquid, functional group is allylamine；
（a）Graphene oxide is soluble in water, and it is 1 with allylamine mass ratio to add graphene oxide:2 ~ 6 allylamine second
Alcoholic solution, and mixture is placed in stainless steel cauldron be heated to 90 DEG C reaction 0.5-2h；
（b）By above step（a）Middle gained is cleaned 5 times and is cleaned 1 time using acetone afterwards using 50% alcoholic solution；
（c）By above step（b）Middle gained obtains the amine-modified graphite oxide of propylene by being placed in 60 DEG C of dryings of vacuum oven
Alkene；
（d）By above step（c）The amine-modified graphene oxide of gained propylene is soluble in water, obtains through modified with functional group
Graphene oxide solution.
Described template is the porous circular platform type structure of polyvinyl alcohol polymer manufacture, is dissolvable in water more than 95 DEG C heat
Water, formwork sides taper is identical with polyethylene terephthalate nozzle body taper.
Claims (2)
1. a kind of imitative cilium formula high accuracy nanodrop ejecting device, it is characterised in that polyethylene terephthalate nozzle
Installed in support bottom, field coil is rack-mount and positioned at ethylene glycol terephthalate nozzle top, focuses on ultrasound
Transducer is rack-mount and on field coil, in described polyethylene terephthalate nozzle body lower section
There is bionical cilium on wall, main body top is liquid storage cylinder.
2. a kind of imitative cilium formula high accuracy nanodrop ejecting device according to claim 1, it is characterised in that：It is described imitative
Raw cilium is highly 1-50um, a diameter of 500-1000nm, and the number of bionical cilium array is 100- on every square millimeter of area
10000。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231140.0U CN206286121U (en) | 2016-11-16 | 2016-11-16 | A kind of imitative cilium formula high accuracy nanodrop ejecting device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621231140.0U CN206286121U (en) | 2016-11-16 | 2016-11-16 | A kind of imitative cilium formula high accuracy nanodrop ejecting device |
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| CN206286121U true CN206286121U (en) | 2017-06-30 |
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| CN201621231140.0U Withdrawn - After Issue CN206286121U (en) | 2016-11-16 | 2016-11-16 | A kind of imitative cilium formula high accuracy nanodrop ejecting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362899A (en) * | 2016-11-16 | 2017-02-01 | 吉林大学 | Bionic cilium type high-precision nanodrop nozzle device |
-
2016
- 2016-11-16 CN CN201621231140.0U patent/CN206286121U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106362899A (en) * | 2016-11-16 | 2017-02-01 | 吉林大学 | Bionic cilium type high-precision nanodrop nozzle device |
| CN106362899B (en) * | 2016-11-16 | 2018-10-30 | 吉林大学 | A kind of imitative cilium formula high-precision nanodrop ejecting device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170630 Effective date of abandoning: 20181030 |