CN108265783A - A kind of air moisture collection device based on taper needle array and its preparation method and application - Google Patents
A kind of air moisture collection device based on taper needle array and its preparation method and application Download PDFInfo
- Publication number
- CN108265783A CN108265783A CN201611253113.8A CN201611253113A CN108265783A CN 108265783 A CN108265783 A CN 108265783A CN 201611253113 A CN201611253113 A CN 201611253113A CN 108265783 A CN108265783 A CN 108265783A
- Authority
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- China
- Prior art keywords
- taper needle
- needle array
- collection device
- air moisture
- taper
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000002184 metal Substances 0.000 claims abstract description 19
- 229910052751 metal Inorganic materials 0.000 claims abstract description 19
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 230000005660 hydrophilic surface Effects 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 22
- 229910052802 copper Inorganic materials 0.000 claims description 12
- 239000010949 copper Substances 0.000 claims description 12
- 238000006056 electrooxidation reaction Methods 0.000 claims description 11
- 239000004065 semiconductor Substances 0.000 claims description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 6
- 230000004048 modification Effects 0.000 claims description 6
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Chemical compound [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 6
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 25
- 239000000243 solution Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 241000219357 Cactaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910000365 copper sulfate Inorganic materials 0.000 description 1
- UGWKCNDTYUOTQZ-UHFFFAOYSA-N copper;sulfuric acid Chemical compound [Cu].OS(O)(=O)=O UGWKCNDTYUOTQZ-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/28—Methods or installations for obtaining or collecting drinking water or tap water from humid air
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The invention discloses a kind of air moisture collection device based on taper needle array and its preparation method and application, the air moisture collection device includes the taper needle array (2) being vertically arranged on (1) one side surface of sheet metal；Another side surface of the sheet metal (1) is bonded with the chill surface of cooling piece (3)；The club shaped structure that the hydrophilic surface of each taper needle in the taper needle array (2) is interspersed, the club shaped structure have nanometer grade diameter and micron-sized length.The present invention successfully solves influence of the moisture film to catchmenting, and can realize that the condensation of continuous high-efficient is catchmented.
Description
Technical field
The invention belongs to bionics techniques field, in particular it relates to a kind of air moisture based on taper needle array
Collection device and its preparation method and application.
Background technology
Existing technology of water catchment, the overwhelming majority is that water is collected from fog, but inherently there are small in fog in fact
Water droplet, the prior art only captures water droplet, relatively easy to realize；It is not have mist and in the area of most drought and water shortages
Existing for gas, this also seriously constrains the application of the prior art, can not really solve the problems, such as.It is and a small number of by condensing the skill catchmented
Art, because condensed water can form moisture film in material surface, the presence of moisture film can be such that heat transfer efficiency drastically declines, especially continuous
After having used a period of time (about half an hour to one hour), water collection efficiency can be lower and lower.Existing technology of water catchment is because of water
The presence of film can only use in the environment of high-temperature high-humidity and it is necessary to be the wet air of circulation, can not really use arrive
The area of water resources shortage.Therefore, it is necessary to it is a kind of can continuous high-efficient used in water resources shortage region air moisture collection
Device.
Invention content
The object of the present invention is to provide a kind of air moisture collection device based on taper needle array, which introduces
The concept of pyramidal structure driving, successfully solves influence of the moisture film to catchmenting, can realize that the condensation of continuous high-efficient is catchmented.
In order to achieve the above objectives, present invention employs following technical solutions：
A kind of air moisture collection device based on taper needle array, the air moisture collection device include vertical arrangement
In the taper needle array 2 on 1 one side surface of sheet metal；
Another side surface of the sheet metal 1 is bonded with the chill surface of cooling piece 3；
The club shaped structure that the hydrophilic surface of each taper needle in the taper needle array 2 is interspersed, it is described
Club shaped structure has nanometer grade diameter and micron-sized length.
Preferably, the height of taper needle is 10~30 millimeters in the taper needle array 2.
In the present invention, the contact angle of the hydrophilic surface of taper needle is between 0 ° to 90 ° in the taper needle array 2.
In the present invention, each taper needle is that copper wire is modified by gradient electrochemical corrosion and surface hydrophilic
It arrives.
Preferably, the sheet metal is copper sheet.Those skilled in the art are also an option that other sheet metals, such as iron plate
Deng.
The present invention also provides a kind of preparation method of the air moisture collection device based on taper needle array, the preparations
Method includes the following steps：
1) insulating layer on the copper wire surface of 0.5~1 millimeter of diameter or oxide layer with sand paper are polished off, intercepts 5~15 lis
Meter Chang Du is cleaned up；
2) on the platform that can at the uniform velocity move back and forth up and down, 0.05~0.15 mole every liter of sulfuric acid copper water is filled with beaker
Solution, the copper wire that step 1) is obtained are suspended on liquid level vertically, submerge 1~5 centimetre of liquid level, and access DC voltage-stabilizing with conducting wire
The anode of power supply；The electrode for accessing D.C. regulated power supply cathode is also positioned in beaker；D.C. regulated power supply is opened, and makes to put down
Platform at the uniform velocity moves back and forth up and down, and stroke is 10~30 millimeters, obtains the taper needle of gradient electrochemical corrosion；
3) the taper needle for the gradient electrochemical corrosion for obtaining step 2), be placed in 0.5~1.5 mole of every liter of sodium hydroxide and
7 minutes or more in the common aqueous solution of 0.01~0.1 mole of every liter of sodium peroxydisulfate, the taper needle of surface hydrophilic modification is obtained；
4) the taper needle of surface hydrophilic modification that several steps 3) obtain is taken, intercepts the cone of 10~30 millimeters of front end
Shape part, in array fashion arrangement are vertically welded on one side surface of sheet metal, another side surface thermal conductive silicon of sheet metal
Ester is fitted on the chill surface of semiconductor chilling plate, obtains receiving using the air moisture based on taper needle array of semiconductor refrigerating
Acquisition means.
In the present invention, the electrode of the access D.C. regulated power supply cathode is copper electrode.
The present invention also provides the above-mentioned air moisture collection devices based on taper needle array to collect moisture in air
Application.
The present invention can be catchmented in fog by cactus thorn and energy unidirectional drive inspires, and simulation is this in gas liquid solid three-phase
Pyramidal structure in system is raw material using copper wire, and the method modified using gradient electrochemical corrosion and surface hydrophilic is obtained
Surface has the taper needle of micron order and nanoscale composite construction, is vertically arranged in sheet metal surface；Sheet metal opposite side is with partly
Conductor cooling piece refrigeration collects dress to get to the present invention using the air moisture based on taper needle array of semiconductor refrigerating
It puts.
In the air moisture collection device based on taper needle array using semiconductor refrigerating of the present invention, each parent
The surface of the taper needle of water is broadly divided into following three steps when carrying out moisture collection：Condensation, water droplet are grown up and are driven certainly.Through
The taper needle of semiconductor refrigerating is crossed when being placed in air, the moisture in air can meet and exceed dew in cold taper wire surface
Point, the surface of hydrophilic taper needle can adsorb rapidly the small water droplet in air, and in the surface spreading of taper needle；In taper
The surface collection of needle to water droplet can slowly grow up to ten a few to tens of microns；Water droplet on the surface of taper needle can be general by drawing
Lars pressure difference and the effect of the power (Laplace Force) of the pyramidal structure root of direction taper needle generated, and with dampening
Drop is grown up, and Laplace Force are gradually increased to that water droplet (10-7N) can be driven, and water droplet will be driven to pyramidal structure
The spontaneous movement in root.And the coarse structure on the surface of taper needle can enhance Laplace Force, be more easy to the water droplet of collection
In being driven.The taper needle can be very good to collect moisture from air, and by the spontaneous driving of the water droplet being collected into taper knot
The root of structure, the new surface that water droplet exposes after leaving can start next cycle of catchmenting again, be received so as to fulfill continuous moisture
Collection.
Description of the drawings
Fig. 1 is the structure diagram of air moisture collection device of the present invention；
Fig. 2 is the structure diagram for the device that the present invention prepares taper needle；
Fig. 3 is the scanning electron microscope (SEM) photograph of the taper needle of gradient electrochemical corrosion in preparation process of the present invention；
Fig. 4 is the surface enlarged drawing of taper needle in Fig. 3；
Fig. 5 is the scanning electron microscope (SEM) photograph of the taper needle that surface hydrophilic is modified in preparation process of the present invention；
Fig. 6 is the surface enlarged drawing of taper needle in Fig. 5；
Reference numeral：1st, sheet metal；2nd, taper needle array；3rd, cooling piece.
Specific embodiment
With the drawings and specific embodiments, the present invention is described in further detail below.
Embodiment 1
As shown in Figure 1, a kind of air moisture collection device based on taper needle array, the air moisture collection device packet
Include the taper needle array 2 being vertically arranged on 1 one side surface of sheet metal；
Another side surface of the sheet metal 1 is bonded with the chill surface of the cooling piece 3 of semi-conducting material manufacturing；
The club shaped structure that the hydrophilic surface of each taper needle in the taper needle array 2 is interspersed, it is described
Club shaped structure has nanometer grade diameter and micron-sized length.
The sheet metal is copper sheet, and the height of taper needle is 10~30 millimeters in the taper needle array 2.
In the present invention, the contact angle of the hydrophilic surface of taper needle is between 0 ° to 80 ° in the taper needle array 2.
In the present invention, each taper needle is that copper wire is modified by gradient electrochemical corrosion and surface hydrophilic
It arrives.
Embodiment 2
A kind of preparation method of the air moisture collection device based on taper needle array, the preparation method include following step
Suddenly：
1) insulating layer on the copper wire surface of 0.5~1 millimeter of diameter or oxide layer with sand paper are polished off, intercepts 5~15 lis
Meter Chang Du is cleaned up；
2) on the platform (as shown in Figure 2) that can at the uniform velocity move back and forth up and down, 0.05~0.15 mole is filled often with beaker
The copper sulfate solution risen, the copper wire that step 1) is obtained are suspended on liquid level vertically, submerge 1~5 centimetre of liquid level, and use conducting wire
Access the anode of D.C. regulated power supply；The electrode for accessing D.C. regulated power supply cathode is also positioned in beaker；It is steady to open direct current
Voltage source, and platform is made at the uniform velocity to move back and forth up and down, stroke is 10~30 millimeters, obtains the taper needle of gradient electrochemical corrosion,
It is detected using scanning electron microscope, as a result as shown in Figure 3 and Figure 4, Fig. 4 is the taper wire surface enlarged drawing of Fig. 3, can be with from Fig. 3 and Fig. 4
Find out, surface topography is：The hills shape pattern of hundreds of nanometers of fluctuatings that 20~30 nanometers of particle is formed, surface is to water
Contact angle be about 60~80 degree；
3) the taper needle for the gradient electrochemical corrosion for obtaining step 2), be placed in 0.5~1.5 mole of every liter of sodium hydroxide and
7 minutes or more in the common aqueous solution of 0.01~0.1 mole of every liter of sodium peroxydisulfate, the taper needle of surface hydrophilic modification is obtained,
It is detected using scanning electron microscope, as a result as shown in Figure 5 and Figure 6, Fig. 6 is the taper wire surface enlarged drawing of Fig. 5, can be with from Fig. 5 and Fig. 6
Find out, surface topography is：The club shaped structure being interspersed, at 50-150 nanometers, length exists the diameter of the club shaped structure
5-10 microns；
4) the taper needle of surface hydrophilic modification that several steps 3) obtain is taken, intercepts the cone of 10~30 millimeters of front end
Shape part, in array fashion arrangement are vertically welded on one side surface of copper sheet, and another side surface of copper sheet is pasted with conduction estersil
Dress is collected together in the air moisture based on taper needle array on the chill surface of semiconductor chilling plate, obtained using semiconductor refrigerating
It puts.
In the present invention, the electrode of the access D.C. regulated power supply cathode is copper electrode.
Catchment measure of merit
Application example：25 taper needles are taken, are welded on the copper sheet of 3 centimetres of 3 cm x.3 volts of battery powereds of cooling piece
(2 section AA batteries), is positioned in the environment of 20 degree Celsius of 60% relative temperature, no cross-ventilation, and it is about 20 millis to collect within 1 hour water
It rises.Contrast experiment is identical with above application example using condition, differs only in, without taper needle array on copper sheet, the results show that
On 3 cm x, 3 centimetres of copper sheets of no taper needle array, it is about 2 to 3 milliliters that 1 hour, which collects water,.The above results illustrate taper knot
Structure is very notable to the effect of catchmenting.
In addition when semiconductor chip not being used to freeze, then no matter whether there is taper needle array on copper sheet, it is interior at any time all
It can not catchment.
It should be noted last that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted.Although ginseng
The present invention is described in detail according to embodiment, it will be apparent to an ordinarily skilled person in the art that the technical side to the present invention
Case is modified or replaced equivalently, and without departure from the spirit and scope of technical solution of the present invention, should all be covered in the present invention
Right in.
Claims (8)
- A kind of 1. air moisture collection device based on taper needle array, which is characterized in that the air moisture collection device packet Include the taper needle array (2) being vertically arranged on (1) one side surface of sheet metal；Another side surface of the sheet metal (1) is bonded with the chill surface of cooling piece (3)；The club shaped structure that the hydrophilic surface of each taper needle in the taper needle array (2) is interspersed, the stick Shape structure has nanometer grade diameter and micron-sized length.
- 2. a kind of air moisture collection device based on taper needle array according to claim 1, which is characterized in that described The height of taper needle is 10~30 millimeters in taper needle array (2).
- 3. a kind of air moisture collection device based on taper needle array according to claim 1, which is characterized in that described The contact angle of the hydrophilic surface of taper needle is between 0 ° to 90 ° in taper needle array (2).
- 4. a kind of air moisture collection device based on taper needle array according to claim 1, which is characterized in that described Each taper needle is that copper wire is modified to obtain by gradient electrochemical corrosion and surface hydrophilic.
- 5. a kind of air moisture collection device based on taper needle array according to claim 1, which is characterized in that described Sheet metal is copper sheet.
- 6. a kind of preparation method of air moisture collection device based on taper needle array described in claim 1, the preparation Method includes the following steps：1) insulating layer on the copper wire surface of 0.5~1 millimeter of diameter or oxide layer with sand paper are polished off, intercepts 5~15 centimeter lengths Degree, cleans up；2) on the platform that can at the uniform velocity move back and forth up and down, it is water-soluble that 0.05~0.15 mole every liter of copper sulphate is filled with beaker Liquid, the copper wire that step 1) is obtained are suspended on liquid level vertically, submerge 1~5 centimetre of liquid level, and access DC voltage-stabilizing electricity with conducting wire The anode in source；The electrode for accessing D.C. regulated power supply cathode is also positioned in beaker；D.C. regulated power supply is opened, and makes platform At the uniform velocity move back and forth up and down, stroke is 10~30 millimeters, obtains the taper needle of gradient electrochemical corrosion；3) the taper needle for the gradient electrochemical corrosion for obtaining step 2) is placed in 0.5~1.5 mole of every liter of sodium hydroxide and 0.01 7 minutes or more in the common aqueous solution of~0.1 mole of every liter of sodium peroxydisulfate, the taper needle of surface hydrophilic modification is obtained；4) the taper needle of surface hydrophilic modification that several steps 3) obtain is taken, intercepts the tapered portion of 10~30 millimeters of front end Point, arrangement in array fashion is vertically welded on one side surface of sheet metal, and another side surface of sheet metal is pasted with conduction estersil Dress is collected together in the air moisture based on taper needle array on the chill surface of semiconductor chilling plate, obtained using semiconductor refrigerating It puts.
- 7. a kind of preparation method of air moisture collection device based on taper needle array according to claim 6, described The electrode for accessing D.C. regulated power supply cathode is copper electrode.
- 8. air moisture collection device of the claim 1-5 any one of them based on taper needle array collects moisture in air Application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253113.8A CN108265783B (en) | 2016-12-30 | 2016-12-30 | Air moisture collecting device based on conical needle array and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611253113.8A CN108265783B (en) | 2016-12-30 | 2016-12-30 | Air moisture collecting device based on conical needle array and preparation method and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108265783A true CN108265783A (en) | 2018-07-10 |
| CN108265783B CN108265783B (en) | 2020-09-04 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611253113.8A Expired - Fee Related CN108265783B (en) | 2016-12-30 | 2016-12-30 | Air moisture collecting device based on conical needle array and preparation method and application thereof |
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| Country | Link |
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| CN (1) | CN108265783B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663386A (en) * | 2018-12-29 | 2019-04-23 | 北京航空航天大学 | A kind of method that electric field driven micro-structure cone surface liquid controllably transports |
| CN113445095A (en) * | 2021-07-14 | 2021-09-28 | 北京航空航天大学 | Multi-gradient wettability copper wire array and preparation method and application thereof |
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| CN102974226A (en) * | 2012-11-05 | 2013-03-20 | 清华大学 | Super-hydrophilic and underwater super-oleophobic oil-water separation mesh membrane having, and its preparation method |
| CN104131596A (en) * | 2014-07-21 | 2014-11-05 | 北京航空航天大学 | Bionic constructing method for fog collecting materials with magnetic responsibility |
| CN205134429U (en) * | 2015-11-23 | 2016-04-06 | 河海大学 | Complementary needle -like dew collector of scene |
| CN205475439U (en) * | 2016-01-26 | 2016-08-17 | 华南理工大学 | Bionical fog water collector |
| CN106223405A (en) * | 2016-08-31 | 2016-12-14 | 华南理工大学 | A kind of multistage taper copper wire of efficient collection fog and preparation method and application |
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2016
- 2016-12-30 CN CN201611253113.8A patent/CN108265783B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102974226A (en) * | 2012-11-05 | 2013-03-20 | 清华大学 | Super-hydrophilic and underwater super-oleophobic oil-water separation mesh membrane having, and its preparation method |
| CN104131596A (en) * | 2014-07-21 | 2014-11-05 | 北京航空航天大学 | Bionic constructing method for fog collecting materials with magnetic responsibility |
| CN205134429U (en) * | 2015-11-23 | 2016-04-06 | 河海大学 | Complementary needle -like dew collector of scene |
| CN205475439U (en) * | 2016-01-26 | 2016-08-17 | 华南理工大学 | Bionical fog water collector |
| CN106223405A (en) * | 2016-08-31 | 2016-12-14 | 华南理工大学 | A kind of multistage taper copper wire of efficient collection fog and preparation method and application |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109663386A (en) * | 2018-12-29 | 2019-04-23 | 北京航空航天大学 | A kind of method that electric field driven micro-structure cone surface liquid controllably transports |
| CN113445095A (en) * | 2021-07-14 | 2021-09-28 | 北京航空航天大学 | Multi-gradient wettability copper wire array and preparation method and application thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108265783B (en) | 2020-09-04 |
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