阅读说明：本技术 基于辐射冷却与太阳能利用的冬夏季调温装置及构建方法 (Winter and summer temperature adjusting device based on radiation cooling and solar energy utilization and construction method ) 是由 刘俊伟 周志华 于 2019-09-17 设计创作，主要内容包括：本发明公开了一种基于辐射冷却与太阳能利用的冬夏季调温装置及构建方法,由辐射冷却结构和吸热层构成,辐射冷却结构由反射层、发射层和风屏组成,发射层置于反射层和风屏之间,风屏由空气层和遮盖材料层组成,空气层位于发射层和遮盖材料层之间；反射层将太阳光反射出去,发射层将被调温介质中热量以红外线的形式发射出去；吸热层由太阳能吸热材料层和金属板组成,金属板位于太阳能吸热材料层和辐射冷却结构的反射层之间,与辐射冷却结构紧密结合。本发明能够为某些场合和设备提供被动式降温和升温,起到节能的作用。(The invention discloses a temperature adjusting device based on radiation cooling and solar energy utilization in winter and summer and a construction method thereof, wherein the temperature adjusting device comprises a radiation cooling structure and a heat absorbing layer, the radiation cooling structure comprises a reflecting layer, an emitting layer and a wind screen, the emitting layer is arranged between the reflecting layer and the wind screen, the wind screen comprises an air layer and a covering material layer, and the air layer is arranged between the emitting layer and the covering material layer; the reflecting layer reflects sunlight out, and the emitting layer emits heat in the temperature-regulated medium in an infrared mode; the heat absorption layer consists of a solar heat absorption material layer and a metal plate, and the metal plate is positioned between the solar heat absorption material layer and the reflection layer of the radiation cooling structure and is tightly combined with the radiation cooling structure. The invention can provide passive cooling and heating for some occasions and equipment, and has the function of energy saving.)

1. A temperature adjusting device based on radiation cooling and solar energy utilization in winter and summer is composed of a radiation cooling structure (1) and a heat absorption layer (2), and is characterized in that the radiation cooling structure (1) is composed of a reflecting layer (3), an emitting layer (4) and a wind screen (5), the emitting layer (4) is arranged between the reflecting layer (3) and the wind screen (5), the wind screen (5) is composed of an air layer (7) and a covering material layer (8), and the air layer (7) is positioned between the emitting layer (4) and the covering material layer (8); the reflecting layer (3) reflects sunlight, and the emitting layer (4) emits heat in the temperature-regulated medium (6) in the form of infrared rays;

The heat absorption layer (2) is composed of a solar heat absorption material layer (9) and a metal plate (10), and the metal plate is located between the solar heat absorption material layer (9) and the reflection layer (3) of the radiation cooling structure (1) and is tightly combined with the radiation cooling structure (1).

2. the winter and summer temperature adjusting device based on radiation cooling and solar energy utilization according to claim 1, characterized in that the reflecting layer (3) is a silver-plated or aluminum-plated dielectric film, and the sunlight reflectivity is required to be more than 95%.

3. device for winter and summer temperature control based on radiant cooling and solar energy utilization according to claim 1, characterized in that the emitter layer (4) is made of SiO₂and a low density polyethylene composite layer.

4. A winter and summer temperature adjusting device based on radiation cooling and solar energy utilization is composed of a radiation cooling structure (1) and a heat absorption layer (2), and is characterized in that the radiation cooling structure (1) is composed of an emitting layer (4) and a wind screen (5), the emitting layer (4) is composed of a PVDF-HFP material layer, heat in a temperature-adjusted medium (6) is emitted in the form of infrared rays, the wind screen (5) is composed of an air layer (7) and a covering material layer (8), and the air layer (7) is positioned between the emitting layer (4) and the covering material layer (8);

The heat absorption layer (2) is composed of a solar heat absorption material layer (9) and a metal plate (10), and the metal plate (10) is located between the solar heat absorption material layer (9) and the emission layer (4) of the radiation cooling structure (1) and is tightly combined with the radiation cooling structure (1).

5. The winter and summer temperature regulating device based on radiant cooling and solar energy utilization according to claim 1 or 4, characterized in that the air layer (7) is hollow, vacuum or hollow filled with argon.

6. The winter and summer temperature adjusting device based on radiant cooling and solar energy utilization according to claim 1 or 4, characterized in that the metal plate (10) is made of aluminum plate, steel plate or copper plate and is processed into a rotary structure or an overturning structure for winter and summer conversion, the winter heat absorption layer (2) faces the atmosphere, and the summer rotation makes the covering material layer (8) face the atmosphere.

7. The winter and summer temperature regulating device based on radiant cooling and solar energy utilization according to claim 1 or 4, characterized in that the emitting layer (4) in the radiant cooling structure (1) emits the heat in the medium (6) to be temperature regulated into space in the form of 8-13 μm infrared rays in summer.

8. the winter and summer temperature regulating device based on radiant cooling and solar energy utilization according to claim 1 or 4, characterized in that the solar heat absorbing material layer (9) in the heat absorbing layer (2) transfers the absorbed solar radiant heat to the temperature regulated medium (6) during winter.

9. A method for constructing a winter and summer temperature regulating device based on radiation cooling and solar energy utilization according to claim 1, which comprises the following steps:

The first step is as follows: coating one side of a metal plate (10) with a solar heat absorption material layer (9), wherein the solar heat absorption material layer (9) is used for absorbing solar radiant heat;

The second step is that: the other side of the metal plate (10) is tightly contacted with the reflecting layer (3) of the radiation cooling structure (1);

The third step: plating silver or aluminum on one side of the emitting layer (4) to form a reflecting layer (3), and attaching the reflecting layer (3) to the metal plate (10) by adopting silica gel;

The fourth step: covering the other side of the emitting layer (4) with a covering material layer (8), and forming an air layer (7) with proper thickness in the middle.

Technical Field

The invention relates to the field of building cooling, in particular to a winter and summer temperature adjusting device based on radiation cooling and solar energy utilization and a construction method.

Background

at present, cooling and heating are required in many fields, such as buildings, military industry, electronics, mechanical equipment and the like. When the outdoor temperature of a building is high, an air conditioner is needed to cool; under the condition of no air conditioner, an electric fan or water evaporation cooling is adopted. When the outdoor temperature is low, heat supply and temperature rise are needed, and primary energy or secondary energy is consumed. In the field of mechanical equipment, heat can be emitted after the equipment is operated, the operation efficiency of the equipment is influenced to a certain degree when the temperature is high, and the temperature must be reduced; when the lubricant is placed in a cold area, the normal performance of the functions of the running parts and the lubricating materials is influenced when the temperature is low, and the temperature needs to be increased.

In the occasions where the active cooling and heating means cannot be adopted or for energy conservation, the temperature regulation function can be realized by adopting the invention.

Disclosure of Invention

The invention aims to solve the problem that the heat load in winter is increased due to the fact that refrigeration energy consumption is large or active refrigeration cannot be adopted, heating energy consumption is large or active heating cannot be adopted, and radiation cooling is adopted only.

the purpose of the invention can be realized by the following technical scheme.

The invention relates to a temperature adjusting device based on radiation cooling and solar energy utilization in winter and summer, which consists of a radiation cooling structure and a heat absorption layer, wherein the radiation cooling structure consists of a reflecting layer, an emitting layer and a wind screen, the emitting layer is arranged between the reflecting layer and the wind screen, the wind screen consists of an air layer and a covering material layer, and the air layer is positioned between the emitting layer and the covering material layer; the reflecting layer reflects sunlight, and the emitting layer emits heat in the temperature-regulated medium in the form of infrared rays;

The heat absorption layer consists of a solar heat absorption material layer and a metal plate, and the metal plate is positioned between the solar heat absorption material layer and the reflection layer of the radiation cooling structure and is tightly combined with the radiation cooling structure.

The reflecting layer is a silver-plated or aluminum-plated dielectric film, and the sunlight reflectivity is required to be more than 95%.

The emitting layer is made of SiO₂And a low density polyethylene composite layer.

The purpose of the invention can be realized by the following technical scheme.

The invention relates to a winter and summer temperature regulating device based on radiation cooling and solar energy utilization, which consists of a radiation cooling structure and a heat absorption layer and is characterized in that the radiation cooling structure consists of an emitting layer and a wind screen, wherein the emitting layer consists of a PVDF-HFP material layer and emits heat in a medium to be regulated in an infrared mode, the wind screen consists of an air layer and a covering material layer, and the air layer is positioned between the emitting layer and the covering material layer;

The heat absorption layer consists of a solar heat absorption material layer and a metal plate, and the metal plate is positioned between the solar heat absorption material layer and an emitting layer of the radiation cooling structure and is tightly combined with the radiation cooling structure.

The air layer is hollow, vacuum or filled with argon gas.

The metal plate is made of aluminum plates, steel plates or copper plates, is processed into a rotating structure or a turnover structure and is used for conversion in winter and summer, the heat absorption layer faces the atmosphere in winter, and the covering material layer faces the atmosphere in summer by rotation.

In summer, the radiation cooling structure emits the heat in the temperature-regulated medium into space in the form of 8-13 μm infrared rays.

In winter, the solar heat absorption material layer in the heat absorption layer transfers the absorbed solar radiation heat to the temperature-regulated medium.

the purpose of the invention can be realized by the following technical scheme.

the invention relates to a method for constructing a temperature adjusting device in winter and summer based on radiation cooling and solar energy utilization, which comprises the following steps:

The first step is as follows: coating a solar heat absorbing material layer on one side of the metal plate, wherein the solar heat absorbing material layer is used for absorbing solar radiant heat;

The second step is that: the other side of the metal plate is in close contact with a reflecting layer of the radiation cooling structure;

the third step: plating silver or aluminum on one side of the emitting layer to form a reflecting layer, and attaching the reflecting layer to the metal plate by adopting silica gel;

the fourth step: covering the other side of the emitting layer with a covering material layer, and forming an air layer with proper thickness in the middle.

Compared with the prior art, the technical scheme of the invention has the following beneficial effects:

the invention forms a complete passive temperature adjusting structure, and the solar radiation heat is reduced by reflecting sunlight through the reflecting layer in radiation cooling; the heat from the temperature-regulated medium is emitted in the form of infrared rays through the emitting layer; the wind screen prevents the heat of the external environment from being transferred to the temperature-regulated medium and reduces the influence of the wind speed on the transmitting power; the heat of the solar radiation is absorbed by the heat absorption layer and transferred to the temperature-regulated medium. The supporting layer of the whole temperature adjusting device is a metal plate and can be turned over, the heat absorbing layer faces the atmosphere in winter, and the covering material faces the atmosphere in summer by the rotating device.

The construction method of the temperature adjusting device in winter and summer can reduce the temperature of the temperature-adjusted medium to be lower than the temperature of outdoor air in summer, not only solves the cooling problem without active cooling equipment, but also can realize energy conservation under the condition with refrigeration equipment; in winter, the temperature of the temperature-regulated medium can be raised, so that the heating problem under the condition of no active heating equipment is solved, the energy conservation can be realized under the condition of heating equipment, the problem that the temperature of the temperature-regulated medium is reduced only by a radiation cooling device in winter can be weakened, and the method is an important means for saving energy and regulating the temperature in the future.

drawings

Fig. 1 is a schematic view of the present invention, (a) summer and (b) winter.

Fig. 2 is a schematic view of the radiation cooling of embodiment 1 of the present invention.

fig. 3 is a schematic diagram of heat absorption in embodiment 1 of the present invention.

Fig. 4 is a schematic view of the radiation cooling of embodiment 2 of the present invention.

Fig. 5 is a schematic diagram of heat absorption in embodiment 2 of the present invention.

Reference numerals: 1 a radiation cooling structure; 2 a heat absorbing layer; 3 a reflective layer; 4 an emission layer; 5, wind screen; 6 a temperature-regulated medium; 7 an air layer; 8 a layer of covering material; 9 a layer of solar heat absorbing material; 10 metal sheet.

Detailed Description

in order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.