CN110422819A - A kind of micro-structure and the flexible skin structure with the micro-structure - Google Patents
A kind of micro-structure and the flexible skin structure with the micro-structure Download PDFInfo
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- CN110422819A CN110422819A CN201910852611.1A CN201910852611A CN110422819A CN 110422819 A CN110422819 A CN 110422819A CN 201910852611 A CN201910852611 A CN 201910852611A CN 110422819 A CN110422819 A CN 110422819A
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- Prior art keywords
- microstructure
- monomer
- micro
- interconnecting piece
- grades
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Links
- 239000000178 monomer Substances 0.000 claims abstract description 94
- 239000000758 substrate Substances 0.000 claims description 15
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical group C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 8
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000002350 accommodative effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000032823 cell division Effects 0.000 description 1
- 239000011538 cleaning material Substances 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- -1 polydimethylsiloxane, dimethyl Polymers 0.000 description 1
- 229920005573 silicon-containing polymer Polymers 0.000 description 1
- 230000003075 superhydrophobic effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B3/00—Devices comprising flexible or deformable elements, e.g. comprising elastic tongues or membranes
- B81B3/0064—Constitution or structural means for improving or controlling the physical properties of a device
- B81B3/0094—Constitution or structural means for improving or controlling physical properties not provided for in B81B3/0067 - B81B3/0091
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B7/00—Microstructural systems; Auxiliary parts of microstructural devices or systems
- B81B7/04—Networks or arrays of similar microstructural devices
Abstract
The present invention relates to flexible skin field of structural design, provide a kind of micro-structure and the flexible skin structure with the micro-structure, and the micro-structure includes multistage microstructure monomer；Single microstructure monomer is formed by connecting by top, interconnecting piece and bottom；Top is the curved-surface structure to raise upward, and the outer surface of interconnecting piece is closed curved-surface structure, and the edge of bottom is equipped with circular arc chamfering；It is to be smoothly connected between the upper end and top of interconnecting piece and between the lower end and bottom of interconnecting piece.Micro-structure provided by the invention and flexible skin structure with the micro-structure; by the multistage microstructure monomer of setting and single microstructure monomer surface is smooth curved-surface structure; the stress for reducing structure in loading process is concentrated; effective protection self structure is stablized, while the material that its surface can also be protected to be distributed is not damaged；By the extension step by step of multistage microstructure monomer, the flexibility of structure is effectively improved, to improve sensitivity of the micro-structure in loading process.
Description
Technical field
The present invention relates to flexible skin field of structural design, more particularly, to a kind of micro-structure and have the micro-structure
Flexible skin structure.
Background technique
The naturally occurring Miniature composite structure in animals and plants surface has caused scientists and has widely paid close attention in nature.
By learning to nature, make it is understood that higher structure, i.e. Miniature composite structure, the influence to material property, promote
We deepen the understanding to material surface elaboration.
Flexible material is as having the advantages that not available for many other materials, for example comfort level and accommodative ability of environment side
Face, by showing it the design and the corresponding material of coating of structure, so that it has important application in many fields, example
Such as micro-fluidic, super-hydrophobic, automatically cleaning, equipment surface modification.
But existing flexible material surface is provided with miscellaneous micro-structure, usually due to stress when stress concentrate
Cause self structure and skin-material to be damaged, seriously affects the flexibility and service life of material, and also limit flexibility
The application of material.
Summary of the invention
(1) technical problems to be solved
The embodiment of the present invention provides a kind of micro-structure and the flexible skin structure with the micro-structure, to solve or partially solve
Certainly existing flexible material surface micro-structure is also easy to produce the problem of stress concentration and flexibility effect difference.
(2) technical solution
In order to solve the above-mentioned technical problem, according to a first aspect of the embodiments of the present invention, a kind of micro-structure is provided, comprising:
Multistage microstructure monomer；
The single microstructure monomer of every level-one includes the top being sequentially connected from top to bottom, interconnecting piece and bottom；
The top is the curved-surface structure to raise upward, and the outer surface of the interconnecting piece is closed curved-surface structure, described
The cross section of interconnecting piece is sequentially increased from top to bottom, and the edge of the bottom is equipped with circular arc chamfering；
It is between the upper end of the interconnecting piece and the top and between the lower end of the interconnecting piece and the bottom
It is smoothly connected；
N grades at least one described microstructure monomer, and are equipped in each of the N-1 grades microstructure monomers
The bottom of N grades of the microstructure monomer is connected with the surface of corresponding N-1 grades of the microstructure monomer；Wherein, N is
Integer more than or equal to 2.
Further, the 1st grade of the microstructure monomer is 1, and N grades of the microstructure monomer is multiple；
N grades of multiple microstructure monomers are distributed in the surface of each of the N-1 grades microstructure monomers.
Further, the cross-sectional area of the single microstructure monomer of every level-one is sequentially increased from top to bottom.
Further, the bottom of the single microstructure monomer is disc-shaped structure, the company of the single microstructure monomer
Socket part is circular cone structure.
Further, the series of the microstructure monomer is up to 6 grades.
Further, the apical curvature radius of the microstructure monomer at different levels is 5um~1000um, and at different levels is described micro-
The base diameter of structures alone is 5um~2000um, and the height of the microstructure monomer at different levels is 5um~2000um.
Further, top, interconnecting piece and the bottom of the single microstructure monomer are integrated chemical conversion type；Adjacent is at different levels
It is integrally formed between the microstructure monomer.
Further, the microstructure monomer is all made of silicon rubber.
The embodiment of the present invention also provides a kind of flexible skin structure, including planar substrate and first party of the embodiment of the present invention
Any micro-structure in face, the bottom of the 1st grade of the microstructure monomer is connected with the planar substrate.
Further, the 1st grade of the microstructure monomer is multiple, and the 1st grade of multiple microstructure monomers are described
It is uniformly distributed on planar substrate.
(3) beneficial effect
Micro-structure provided in an embodiment of the present invention and flexible skin structure with the micro-structure pass through multistage micro- of setting
Structures alone, and single microstructure monomer surface is smooth curved-surface structure, to reduce answering for structure in loading process
Power is concentrated, and effective protection self structure is stablized, while the material that its surface can also be protected to be distributed is not damaged；Pass through the micro- of multistage
The extension step by step of structures alone, effectively improves the flexibility of structure, to improve sensitivity of the micro-structure in loading process.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is the present invention
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of single microstructure monomer in the embodiment of the present invention；
Fig. 2 is the structural schematic diagram of secondary microstructure monomer in the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of three-level microstructure monomer in the embodiment of the present invention；
Fig. 4 is the structural schematic diagram of flexible skin structure in the embodiment of the present invention；
In figure: 1, microstructure monomer；2, planar substrate；11, top；12, interconnecting piece；13, bottom.
Specific embodiment
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.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
In the description of the embodiment of the present invention, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1 to Figure 3, the embodiment of the present invention provides a kind of micro-structure, the microstructure monomer including multistage, and each
The microstructure monomer of grade can be for 1 or multiple.
Wherein, the single microstructure monomer 1 of every level-one includes top 11, interconnecting piece 12 and the bottom being sequentially connected from top to bottom
Top 11 and bottom 13 are connected as an overall structure by interconnecting piece 12 by portion 13.
Specifically, in order to reduce problem of stress concentration, the entirety that will be formed by connecting by top 11, interconnecting piece 12 and bottom 13
Structure setting is not at having rectangular micro-structure.
Top 11 is the curved-surface structure to raise upward, and the lower end at top 11 with interconnecting piece 12 for connecting；Interconnecting piece 12
Outer surface (front of motor) is closed curved-surface structure, and sectional area is sequentially increased from top to bottom；The edge of bottom 13 is equipped with circle
Arc angling alternatively, and between the upper end and top 11 of interconnecting piece 12 using be smoothly connected progress excessively, under interconnecting piece 12
Also using progress is smoothly connected excessively between end and bottom 13, so that the surface of the microstructure monomer is curved surface or circle
Cambered surface has stronger hydrophobicity, is conducive to improve the protection to structure itself.
It should be noted that being smoothly connected in above-described embodiment specifically can be used more smooth curved surface and be connected,
The structure of convex or concave can be used in curved surface, can be specifically adjusted according to the size of junction, as long as guaranteeing junction
To be smoothly connected.
Meanwhile the flexibility in order to guarantee micro-structure, the sensitivity in loading process is improved, structural stress is reduced and concentrates, this
The level distribution relation of multistage microstructure unit is specifically described in embodiment.
Specifically, N grades at least one microstructure monomer 1, phase are equipped in N-1 grades of single microstructure monomer 1
When the monomer micro-structure 1 in next stage gradually carries out branch, the micro-structure of every level-one on the surface of the monomer micro-structure 1 of upper level
The number of monomer 1 gradually increases relative to upper level, is similar to cell division.Wherein, the bottom of N grades of microstructure monomer 1
13 are connected with the surface of corresponding N-1 grades of microstructure monomer 1；Wherein, N is the integer more than or equal to 2.Fig. 1 to Fig. 3 according to
Secondary is level-one, the micro-structure of second level and three-level, and series is more, and flexibility is also bigger.
In order to guarantee the structural stability of entire micro-structure, the series of microstructure monomer 1 is up to 6 grades, at least may be used certainly
It is 1 grade, series is bigger, and flexibility is higher, but corresponding structural stability is also poorer.
Micro-structure provided by the above embodiment, by the way that multistage microstructure monomer, and the single micro-structure of every level-one is arranged
Monomer surface is smooth curved-surface structure, so that the stress for reducing structure in loading process is concentrated, effective protection itself knot
Structure is stablized, while the material that its surface can also be protected to be distributed is not damaged；Prolonging step by step by multistage microstructure monomer simultaneously
Exhibition, effectively improves the flexibility of structure, to improve sensitivity of the micro-structure in loading process.
Further, in this embodiment the 1st grade of microstructure monomer is 1, N grade of microstructure monomer be it is multiple, i.e.,
Be equivalent to the 2nd grade or more of every level-one microstructure monomer be it is multiple, effectively improve the contact surface of micro-structure；
Since the 2nd grade, multiple microstructure monomers 1 of next stage are distributed in the table of each microstructure monomer 1 of upper level
Face, the interval between multiple microstructure monomers 1 can be set according to actual needs.
On the basis of the above embodiments, in order to keep the surface of entire microstructure monomer more smooth, every level-one it is single
The cross-sectional area of microstructure monomer 1 is sequentially increased from top to bottom, including the junction and company at interconnecting piece 12 and top 11
The junction of socket part 12 and bottom 13.
Further, in above-described embodiment, the bottom 11 of single microstructure monomer 1 is the disc-shaped structure of edge evagination,
The interconnecting piece 12 of single microstructure monomer 1 is circular cone structure, and multiple microstructure monomers 1 of next stage are in the single micro- of upper level
12 surface of interconnecting piece of structures alone 1 is in circular cone array arrangement, is conducive to the structural stability for further increasing entire micro-structure
And flexibility.
In above-described embodiment, the apical curvature radius of microstructure monomer at different levels fluctuates between 5um~1000um, specifically
According to the difference of series, corresponding radius of curvature is not also identical, and overall variation trend is that locating series is higher, corresponding song
Rate radius is smaller.
Similarly, the diameter of 1 bottom of single microstructure monomer at different levels changes between 5um~2000um, list at different levels
The height of a microstructure monomer changes between 5um~2000um, and whole variation tendency is that locating series is higher, corresponding
The diameter of bottom is smaller, and height is smaller.
In the various embodiments described above, top 11, interconnecting piece 12 and the bottom 13 of single microstructure monomer 1 are integrated chemical conversion type,
To guarantee the structural stability of entire microstructure monomer, and be conducive to improve the flexibility of structure.In addition, adjacent micro- knots at different levels
It is similarly integrally formed between structure monomer, is equivalent to and extends multiple branches on trunk, and branch and trunk are one whole
Body.It is made moreover, microstructure monomer at different levels is all made of silicon rubber, silicon rubber specifically may include PDMS
The materials such as (polydimethylsiloxane, dimethyl silicone polymer), DOW CORNING -184.
On the basis of the various embodiments described above, as shown in figure 4, the embodiment of the present invention also provides a kind of flexible skin structure,
Micro-structure including planar substrate 2 and as described in any in the various embodiments described above, wherein the bottom of the 1st grade of microstructure monomer 1
Portion is connected with planar substrate 2, improves the flexibility and sensitivity of planar substrate.Wherein flexible material can also be used in planar substrate 2
It is made, including metal flexible material and non-metallic flexible material, when planar substrate 2 is identical as the 1st grade of 1 use of microstructure monomer
Flexible material when, the bottom of the 1st grade of microstructure monomer 1 can be between planar substrate 2 using being integrally formed production.
Further, the 1st grade of microstructure monomer 1 can be multiple, and the 1st grade of multiple microstructure monomers 1 are flat in base
It is uniformly distributed on face 2, so that the surface of flexible skin structure has stronger flexibility, and there is super-hydrophobicity and automatically cleaning
Property, it can be widely applied to the industries such as clothes, cleaning material.
Flexible skin structure provided by the above embodiment has multistage microstructure monomer including multiple, and is uniformly distributed
On planar substrate, the stress concentration of microstructure monomer is smaller, and planar substrate flexibility with higher and sensitivity, can
Effective protection is carried out to the material of flexible skin structure surface layer coating, improves the service life of flexible skin structure, and apply
Range is wider.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of micro-structure characterized by comprising multistage microstructure monomer；
The single microstructure monomer of every level-one includes the top being sequentially connected from top to bottom, interconnecting piece and bottom；
The top is the curved-surface structure to raise upward, and the outer surface of the interconnecting piece is closed curved-surface structure, the bottom
Edge be equipped with circular arc chamfering；
It is smooth between the upper end of the interconnecting piece and the top and between the lower end of the interconnecting piece and the bottom
Connection；
N grades at least one described microstructure monomer, and N grades are equipped in each of the N-1 grades microstructure monomers
The bottom of the microstructure monomer be connected with the surface of corresponding N-1 grades of the microstructure monomer；Wherein, N is big
In the integer for being equal to 2.
2. micro-structure according to claim 1, which is characterized in that the 1st grade of the microstructure monomer is 1, N grades
The microstructure monomer is multiple；
N grades of multiple microstructure monomers are distributed in the surface of each of the N-1 grades microstructure monomers.
3. micro-structure according to claim 1 or 2, which is characterized in that the cross of the single microstructure monomer of every level-one
Sectional area is sequentially increased from top to bottom.
4. micro-structure according to claim 3, which is characterized in that the bottom of the single microstructure monomer is discoid knot
Structure, the interconnecting piece of the single microstructure monomer are circular cone structure.
5. micro-structure according to claim 1, which is characterized in that the series of the microstructure monomer is up to 6 grades.
6. micro-structure according to claim 3, which is characterized in that the apical curvature radius of the microstructure monomer at different levels
For 5um~1000um, the base diameter of the microstructure monomer at different levels is 5um~2000um, the micro-structure list at different levels
The height of body is 5um~2000um.
7. micro-structure according to claim 1, which is characterized in that the top of the single microstructure monomer, interconnecting piece and
Bottom is integrated chemical conversion type；It is integrally formed between the adjacent microstructure monomers at different levels.
8. micro-structure according to claim 7, which is characterized in that the microstructure monomer is all made of silicon rubber.
9. a kind of flexible skin structure, which is characterized in that including planar substrate and as described in any in claim 2 to 8
The bottom of micro-structure, the 1st grade of the microstructure monomer is connected with the planar substrate.
10. flexible skin structure according to claim 9, which is characterized in that the 1st grade of the microstructure monomer is more
A, the 1st grade of multiple microstructure monomers are uniformly distributed on the planar substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910852611.1A CN110422819A (en) | 2019-09-10 | 2019-09-10 | A kind of micro-structure and the flexible skin structure with the micro-structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910852611.1A CN110422819A (en) | 2019-09-10 | 2019-09-10 | A kind of micro-structure and the flexible skin structure with the micro-structure |
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| CN110422819A true CN110422819A (en) | 2019-11-08 |
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|---|---|---|---|---|
| US20030103875A1 (en) * | 2001-09-26 | 2003-06-05 | Siemens Westinghouse Power Corporation | Catalyst element having a thermal barrier coating as the catalyst substrate |
| US20110287203A1 (en) * | 2010-05-24 | 2011-11-24 | Integran Technologies Inc. | Articles with super-hydrophobic and/or self-cleaning surfaces and method of making same |
| US20170014111A1 (en) * | 2015-07-17 | 2017-01-19 | Hoowaki, Llc | Microstructured Surface |
| CN109721756A (en) * | 2018-12-21 | 2019-05-07 | 浙江工业大学 | Secondary microstructure with material surface super-hydrophobicity |
| CN210825411U (en) * | 2019-09-10 | 2020-06-23 | 中国科学院理化技术研究所 | Microstructure and flexible surface layer structure with same |
-
2019
- 2019-09-10 CN CN201910852611.1A patent/CN110422819A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030103875A1 (en) * | 2001-09-26 | 2003-06-05 | Siemens Westinghouse Power Corporation | Catalyst element having a thermal barrier coating as the catalyst substrate |
| US20110287203A1 (en) * | 2010-05-24 | 2011-11-24 | Integran Technologies Inc. | Articles with super-hydrophobic and/or self-cleaning surfaces and method of making same |
| US20170014111A1 (en) * | 2015-07-17 | 2017-01-19 | Hoowaki, Llc | Microstructured Surface |
| CN108290731A (en) * | 2015-07-17 | 2018-07-17 | 呼瓦基有限责任公司 | micro-structure surface |
| CN109721756A (en) * | 2018-12-21 | 2019-05-07 | 浙江工业大学 | Secondary microstructure with material surface super-hydrophobicity |
| CN210825411U (en) * | 2019-09-10 | 2020-06-23 | 中国科学院理化技术研究所 | Microstructure and flexible surface layer structure with same |
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