CN109708336A - Classifying porous passive type radiation-cooled structure and cooling means based on reverse phase synthesis - Google Patents
Classifying porous passive type radiation-cooled structure and cooling means based on reverse phase synthesis Download PDFInfo
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- CN109708336A CN109708336A CN201910050578.0A CN201910050578A CN109708336A CN 109708336 A CN109708336 A CN 109708336A CN 201910050578 A CN201910050578 A CN 201910050578A CN 109708336 A CN109708336 A CN 109708336A
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- layer
- heat
- coolant
- hexafluoropropene
- kynoar
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- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 15
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 14
- 239000002826 coolant Substances 0.000 claims abstract description 51
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000002243 precursor Substances 0.000 claims abstract description 14
- 238000010521 absorption reaction Methods 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims abstract 2
- 239000000463 material Substances 0.000 claims description 22
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 4
- 238000001704 evaporation Methods 0.000 claims description 4
- 230000008020 evaporation Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000013618 particulate matter Substances 0.000 claims description 2
- PPPGBRSJYRPWKP-UHFFFAOYSA-N fluoroethene;1,1,2,3,3,3-hexafluoroprop-1-ene Chemical compound FC=C.FC(F)=C(F)C(F)(F)F PPPGBRSJYRPWKP-UHFFFAOYSA-N 0.000 claims 1
- 238000003760 magnetic stirring Methods 0.000 claims 1
- 238000005086 pumping Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000013019 agitation Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Abstract
The invention discloses a kind of classifying porous passive type radiation-cooled structures and cooling means based on reverse phase synthesis: Kynoar-hexafluoropropene, acetone, water are mixed into precursor solution；Precursor solution is put into No. two containers, acetone evaporated, and Kynoar-hexafluoropropene and water separation form the different micropore of diameter in Kynoar-hexafluoropropene, form coolant layer；Covering layer is covered on coolant layer；Heat-insulated cavity layer is formed between coolant layer and covering layer；Above-mentioned heat-transfer matcrial layer, coolant layer, heat-insulated cavity layer and covering layer constitute passive type radiation-cooled structure, passive type radiation-cooled structure is contacted by heat-transfer matcrial layer with cooled body, covering layer is exposed to outdoor, so that coolant layer launches the heat of the cooled body of absorption in the form of infrared ray.The present invention be able to solve energy consumption for cooling it is big or can not be using active refrigeration the problem of, provide the method for passive cooling for certain occasions and equipment.
Description
Technical field
The present invention relates to cooling fields, and more specifically, it relates to a kind of classifying porous passive types based on reverse phase synthesis
Radiation-cooled structure and cooling means.
Background technique
Currently, many fields need to cool down, such as building, military project, electronics, mechanical equipment etc..Building works as outdoor temperature
Gao Shi needs air-conditioning temperature-reducing；In the case where no air-conditioning, cooled down using electric fan or water evaporation.In machinery equipment field, if
Heat can be distributed after received shipment row, temperature height will affect equipment operating efficiency to a certain extent, it is necessary to cool down.
The occasion of active means can not be used at these or for energy-saving and emission-reduction, cooling can be played using the present invention
Effect.
Summary of the invention
Purpose of the invention is to overcome the shortcomings in the prior art, provides a kind of based on the classifying porous of reverse phase synthesis
Passive type radiation-cooled structure and cooling means, be able to solve energy consumption for cooling it is big or can not be using active refrigeration the problem of,
The method of passive cooling is provided for certain occasions and equipment, plays cooling effect.
The purpose of the present invention can be achieved through the following technical solutions.
The present invention is based on the classifying porous passive type radiation-cooled structures of reverse phase synthesis, are made of combined material layer, described
Combined material layer is set to outside cooled body, the combined material layer include the heat-transfer matcrial layer set gradually from the inside to the outside,
Coolant layer, heat-insulated cavity layer and covering layer, the heat-transfer matcrial layer give the heat transfer of cooled body to coolant layer,
The coolant layer is made of classifying porous Kynoar-hexafluoropropene polymer material layer, by heat with infrared ray
Form is launched, while the sunlight that transmission is come in being reflected back, the covering layer for protecting coolant layer, and with
A cavity is formed between coolant layer, as heat-insulated cavity layer, the heat-insulated cavity layer is used to prevent the heat of external environment
Amount transmitting is come in.
The coolant layer is made of classifying porous Kynoar-hexafluoropropene polymer material layer, the cooling
The production method of material layer: Kynoar-hexafluoropropene, acetone, water are mixed, stirs evenly, makes Kynoar-hexafluoro
Propylene is completely dissolved in acetone, and is sufficiently mixed with water, referred to as precursor solution；Precursor solution is put into container, acetone steams
Hair, separates Kynoar-hexafluoropropene and water, and the different micropore of diameter, shape are formed in Kynoar-hexafluoropropene
At coolant layer.
The covering layer uses the material layer of high transparency, such as PE plate, PC plate or TPX plate.
The purpose of the present invention can be also achieved through the following technical solutions.
The present invention is based on the classifying porous passive types of reverse phase synthesis to radiate cooling means, comprising the following steps:
Step 1: Kynoar-hexafluoropropene, acetone, water are mixed, it is placed in No.1 container, using magnetic agitation
Device is stirred continuously, and is completely dissolved Kynoar-hexafluoropropene in acetone, and is sufficiently mixed with water, referred to as precursor solution；
Step 2: precursor solution is put into No. two containers, due to the evaporation of acetone, make Kynoar-hexafluoropropene
It is separated with water, forms the different micropore of diameter in Kynoar-hexafluoropropene, form coolant layer；
Coolant layer is attached to heat-transfer matcrial layer surface by third step, and the two comes into full contact with, and being conducive to heat-transfer matcrial layer will
Heat is transmitted to coolant layer；
Step 4: covering one layer of covering layer on coolant layer, prevent the particulate matter in air blocking microporous；
5th step, forms a closed cavity between coolant layer and covering layer, inside is filled air or argon gas or taken out true
Sky forms heat-insulated cavity layer, and to increase thermal resistance, the heat for reducing external environment is transmitted to cooled body；
6th step, above-mentioned heat-transfer matcrial layer, coolant layer, heat-insulated cavity layer and covering layer constitute passive type radiation cooling
Structure contacts passive type radiation-cooled structure by heat-transfer matcrial layer with cooled body, and covering layer is exposed to outdoor, protects as far as possible
It is unobstructed over and around card, so that coolant layer launches the heat of the cooled body of absorption in the form of infrared ray,
The sunlight that transmission is come in is reflected back simultaneously, prevents heating of the sunlight to cooled body.
Compared with prior art, the beneficial effects brought by the technical solution of the present invention are as follows:
(1) heat-transfer matcrial layer comes into full contact with cooled body in the present invention, gives the heat transfer of cooled body to cooling material
The bed of material；Coolant layer will be launched in the form of infrared ray by heat, while reflected sunlight.
(2) present invention prevents solar radiant heat from passing through combination using the classifying porous PVDF-HFP reflected sunlight formed
Structure enters cooled body；Using the high IR line emission characteristics of PVDF-HFP by the heat of cooled body in the form of infrared ray
Launch, plays the role of cooling.
(3) heat-insulated cavity layer is prevented in the incoming cooled body of external environment heat using biggish thermal resistance in the present invention.
(4) temperature of cooled body can be reduced to outside air temperature hereinafter, both having solved without active by the present invention
Cooling problem in the case of cooling equipment, and energy conservation can be realized when there is refrigeration equipment, it is that the following energy conservation and temperature are adjusted
Important means.
Detailed description of the invention
Fig. 1 is the principle of the present invention figure.
Appended drawing reference: 1 cooled body, 2 heat-transfer matcrial layers, 3 coolant layers,
4 heat-insulated cavity layers, 5 covering layers.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, with reference to the accompanying drawing to embodiment of the present invention
It does and is further described in detail.
As shown in Figure 1, the present invention is based on the classifying porous passive type radiation-cooled structures of reverse phase synthesis, by combined material layer
It constitutes, the combined material layer is set to outside cooled body 1, and the combined material layer includes the biography set gradually from the inside to the outside
Hot material layer 2, coolant layer 3, heat-insulated cavity layer 4 and covering layer 5.The heat-transfer matcrial layer 2 sufficiently connects with cooled body 1
Touching reduces the heat transfer resistance of heat-transfer matcrial layer 2 and cooled body 1 as far as possible, gives the heat transfer of cooled body 1 to coolant layer
3, aluminium, zinc or copper material can be used in heat-transfer matcrial layer 2.The covering layer 5 uses the material layer of high transparency, such as PE plate, PC
Plate or TPX plate etc. for protecting coolant layer 3, and form a cavity, as heat-insulated cavity between coolant layer 3
Layer 4.Air, argon gas can be filled in the heat-insulated cavity layer 4 or is vacuumized, as far as possible increase heat transfer resistance, prevent the heat of external environment
Amount transmitting is come in.
The coolant layer 3 is made of classifying porous Kynoar-hexafluoropropene polymer material layer, will be cooled
The heat of body 1 is launched in the form of infrared ray, while the sunlight that transmission is come in being reflected back.Wherein, polyvinylidene fluoride
Alkene-hexafluoropropene (PVDF-HFP) itself has high IR emissivity, is formed inside PVDF-HFP by reverse phase synthesis very much
Aperture (aperture concentrates on 0.2 μm and 5.5 μm) not of uniform size, these apertures have the direct projection and scattering of sunlight very high anti-
To heat dissipation.This coolant 3 is combined with cooled body 1, can not only be reflected away 95% or more solar radiant heat, is prevented
Only solar radiant heat heats cooled body 1.Moreover, the heat of cooled body 1 can pass to this coolant layer 3, cooling material
The bed of material 3 is emitted heat using the high emissivity of infrared ray itself in the form of infrared ray by 8-13 microns of atmospheric window
Into the universe of only 3K (subzero 272 DEG C), to have the function that reduce by 1 temperature of cooled body.
The production method of the coolant layer 3: Kynoar-hexafluoropropene, acetone, water are mixed, the matter of three
Amount stirs evenly after mixing than being 1:8.5:1, is completely dissolved Kynoar-hexafluoropropene in acetone, and is abundant with water
Mixing, referred to as precursor solution；Precursor solution is put into container, acetone evaporated, makes Kynoar-hexafluoropropene and moisture
From the different micropore of formation diameter, forms the coolant with a thickness of 400 microns or more in Kynoar-hexafluoropropene
Layer 3.
The present invention is based on the classifying porous passive types of reverse phase synthesis to radiate cooling means, and detailed process is as follows:
Step 1: Kynoar-hexafluoropropene, acetone, water are mixed, it is placed in No.1 container, using magnetic agitation
Device is stirred continuously, and is completely dissolved Kynoar-hexafluoropropene in acetone, and is sufficiently mixed with water, referred to as precursor solution.
Wherein, Kynoar-hexafluoropropene, acetone, water three mass ratio be 1:8.5:1.
Step 2: precursor solution is put into No. two containers, due to the evaporation of acetone, make Kynoar-hexafluoropropene
It is separated with water, forms the different micropore of diameter in Kynoar-hexafluoropropene, form coolant layer 3；
Coolant layer 3 is attached to 2 surface of heat-transfer matcrial layer by third step, and the two comes into full contact with, and is conducive to heat-transfer matcrial layer
Heat is transmitted to coolant layer 3 by 2；
Step 4: covering one layer of covering layer 5 on coolant layer 3, prevent the fine particulates in air blocking microporous；
5th step, between coolant layer 3 and covering layer 5 formed a closed cavity, inside can fill air or argon gas or
It vacuumizes, forms heat-insulated cavity layer 4, to increase thermal resistance, the heat for reducing external environment is transmitted to cooled body 1；
6th step, above-mentioned heat-transfer matcrial layer 2, coolant layer 3, heat-insulated cavity layer 4 and covering layer 5 constitute passive type radiation
Cooling structure contacts passive type radiation-cooled structure by heat-transfer matcrial layer 2 with cooled body 1, and covering layer 5 is exposed to room
Outside, unobstructed over and around guaranteeing as far as possible, so that coolant layer 3 is by the heat of the cooled body 1 of absorption with infrared linear
Formula is launched, while the sunlight that transmission is come in being reflected back, and prevents heating of the sunlight to cooled body 1.
Although function and material of the invention are described above in conjunction with attached drawing, the invention is not limited to above-mentioned
Concrete function and material requirements, above-mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, may be used also
By make it is many in the form of, all of these belong to the protection of the present invention.
Claims (4)
1. a kind of classifying porous passive type radiation-cooled structure based on reverse phase synthesis, is made of, the combination combined material layer
It is external that material layer is set to cooled body (1), which is characterized in that the combined material layer includes the biography set gradually from the inside to the outside
Hot material layer (2), coolant layer (3), heat-insulated cavity layer (4) and covering layer (5), the heat-transfer matcrial layer (2) will be cooled
The heat transfer of body (1) is given coolant layer (3), and the coolant layer (3) is by classifying porous Kynoar-hexafluoropropene
Polymer material layer is constituted, and heat is launched in the form of infrared ray, while the sunlight that transmission is come in being reflected back,
The covering layer (5) forms a cavity for protecting coolant layer (3) between coolant layer (3), as heat-insulated
Cavity layer (4), the heat-insulated cavity layer (4) is for preventing the heat transfer of external environment from coming in.
2. the classifying porous passive type radiation-cooled structure according to claim 1 based on reverse phase synthesis, which is characterized in that
The production method of the coolant layer (3): Kynoar-hexafluoropropene, acetone, water being mixed, stirred evenly, and made poly- inclined
Vinyl fluoride-hexafluoropropene is completely dissolved in acetone, and is sufficiently mixed with water, referred to as precursor solution；Put precursor solution into appearance
In device, acetone evaporated separates Kynoar-hexafluoropropene and water, forms diameter not in Kynoar-hexafluoropropene
One micropore is formed coolant layer (3).
3. the classifying porous passive type radiation-cooled structure according to claim 1 based on reverse phase synthesis, which is characterized in that
The covering layer (5) uses the material layer of high transparency, such as PE plate, PC plate or TPX plate.
4. a kind of classifying porous passive type based on reverse phase synthesis radiates cooling means, which comprises the following steps:
Step 1: Kynoar-hexafluoropropene, acetone, water are mixed, it is placed in No.1 container, not using magnetic stirring apparatus
Disconnected stirring, is completely dissolved Kynoar-hexafluoropropene in acetone, and be sufficiently mixed with water, referred to as precursor solution；
Step 2: precursor solution is put into No. two containers, due to the evaporation of acetone, make Kynoar-hexafluoropropene and water
Separation forms the different micropore of diameter in Kynoar-hexafluoropropene, is formed coolant layer (3)；
Coolant layer (3) is attached to heat-transfer matcrial layer (2) surface by third step, and the two comes into full contact with, and is conducive to heat-transfer matcrial layer
(2) heat is transmitted to coolant layer (3)；
Step 4: covering one layer of covering layer (5) on coolant layer (3), prevent the particulate matter in air blocking microporous；
5th step forms a closed cavity between coolant layer (3) and covering layer (5), air or argon gas or pumping are filled in inside
Vacuum forms heat-insulated cavity layer (4), and to increase thermal resistance, the heat for reducing external environment is transmitted to cooled body (1)；
6th step, above-mentioned heat-transfer matcrial layer (2), coolant layer (3), heat-insulated cavity layer (4) and covering layer (5) constitute passive type
Radiation-cooled structure is contacted passive type radiation-cooled structure by heat-transfer matcrial layer (2), covering layer (5) with cooled body (1)
Be exposed to outdoor, guarantee as far as possible over and around it is unobstructed so that coolant layer (3) is by the warm of the cooled body (1) of absorption
Amount is launched in the form of infrared ray, while the sunlight that transmission is come in being reflected back, and prevents sunlight to cooled body (1)
Heating.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110567308A (en) * | 2019-09-17 | 2019-12-13 | 天津大学 | Temperature-adjusting energy storage device based on radiation cooling and construction method |
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Application publication date: 20190503 |