CN211345922U - Winter and summer temperature adjusting device based on radiation cooling and solar energy utilization - Google Patents
Winter and summer temperature adjusting device based on radiation cooling and solar energy utilization Download PDFInfo
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- CN211345922U CN211345922U CN201921544958.1U CN201921544958U CN211345922U CN 211345922 U CN211345922 U CN 211345922U CN 201921544958 U CN201921544958 U CN 201921544958U CN 211345922 U CN211345922 U CN 211345922U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a temperature adjusting device based on radiation cooling and solar energy utilization in winter and summer, which comprises a radiation cooling structure and a heat absorbing layer, wherein the radiation cooling structure comprises a reflecting layer, a transmitting layer and a wind screen, the transmitting 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 transmitting 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 utility model discloses can provide passive form cooling and intensification for some occasion and equipment, play energy-conserving effect.
Description
Technical Field
The utility model relates to a building cooling field, more specifically say so, relate to a temperature regulating device in winter and summer based on radiant cooling utilizes with solar energy.
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 these occasions that can't adopt active cooling and heating means or for energy-conservation, adopt the utility model discloses can play the effect that adjusts the temperature.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving that the refrigeration energy consumption is big or can't adopt active refrigeration, the heating energy consumption is big or can't adopt active heating, adopt radiation cooling alone and probably cause the problem that winter heat load increases, a winter and summer attemperator based on radiation cooling and solar energy utilization is proposed, this device is arranged in by temperature adjusting medium upper portion, summer is used for launching away the heat by the temperature adjusting medium, absorb solar radiation heat conduction in winter to by the temperature adjusting medium, can provide passive form cooling and intensification for some occasion and equipment, play energy-conserving effect.
The purpose of the utility model can be realized by the following technical scheme.
The utility model discloses a temperature regulating device in winter and summer based on radiation cooling and solar energy utilization comprises radiation cooling structure and heat-absorbing layer, radiation cooling structure comprises reflection stratum, transmitting layer and wind screen, the transmitting layer sets up between reflection stratum and wind screen, the wind screen comprises air bed and covering material layer, the air bed is located between transmitting 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 utility model can be realized by the following technical scheme.
The utility model discloses temperature regulating device in winter and summer based on radiation cooling and solar energy utilization comprises radiation cooling structure and heat-absorbing layer, its characterized in that, radiation cooling structure comprises launching layer and wind screen, the launching layer comprises PVDF-HFP material layer, launches the heat in the medium that will be regulated temperature with the form of infrared ray, the wind screen comprises air bed and covering material layer, the air bed is located between launching 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.
Compared with the prior art, the utility model discloses a beneficial effect that technical scheme brought is:
the utility model forms a complete passive temperature adjusting structure, and reduces solar radiation heat 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 temperature adjusting device in winter and summer of the utility model can reduce the temperature of the temperature-adjusted medium to be lower than the temperature of the outdoor air in summer, thereby not only solving the cooling problem without active cooling equipment, but also realizing 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 diagram of the present invention, (a) in summer, and (b) in 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 the heat absorption of 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 the 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 clearer, embodiments of the present invention are described in further detail below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, fig. 2 and fig. 3, the utility model discloses a temperature regulating device based on radiant cooling and solar energy utilization in winter and summer arranges in by temperature regulating medium 6 upper portion, comprises radiant cooling structure 1 and heat-absorbing layer 2, radiant cooling structure and heat-absorbing layer 2 in close contact with.
The heat absorbing layer 2 is composed of a solar heat absorbing material layer 9 and a metal plate 10, the metal plate 10 is located between the solar heat absorbing material layer 9 and the reflecting layer 3 of the radiation cooling structure 1 and is tightly combined with the radiation cooling structure 1, and the radiation cooling structure 1 and the metal plate 10 can be firmly bonded together by adopting a bonding agent with high heat transfer coefficient such as silica gel.
The solar heat absorbing material layer 9 can be made of heat absorbing materials commonly used in solar heat collectors, and has the highest heat absorbing efficiency. The metal plate 10 serves to support the entire device and to coat the solar heat absorbing material layer 9. The metal plate 10 is required to have good heat transfer performance, can be made of aluminum plates, steel plates or copper plates, and can be processed into a rotating structure or a turnover structure for conversion in winter and summer. The heat absorbing layer 2 faces the atmosphere in winter, and is sequentially provided with a solar heat absorbing material layer 9, a metal plate 10, a reflecting layer 3, an emitting layer 4, an air layer 7, a covering material layer 8 and a temperature-regulated medium 6 from top to bottom. The covering material layer 8 faces the atmosphere by rotating in summer, and the covering material layer 8, the air layer 7, the emitting layer 4, the reflecting layer 3, the metal plate 10, the solar heat absorbing material layer 9 and the temperature-regulated medium 6 are arranged in sequence from top to bottom. In summer, the emission layer 4 in the radiant cooling structure 1 emits the heat extracted from the temperature-conditioned medium 6 into space in the form of 8-13 μm infrared radiation. In winter, the solar heat absorbing material layer 9 in the heat absorbing layer 2 transfers the absorbed solar radiation heat to the temperature-regulated medium 6.
The utility model discloses temperature regulating device in winter and summer based on radiation cooling and solar energy utilization should with by temperature adjusting medium 6 abundant contacts, slope or level are placed on the roof, require the place ahead not to shelter from, do benefit to the transmission electromagnetic wave directive aerial, fully absorb solar radiation heat moreover.
The utility model discloses a construction method of temperature adjusting device in winter and summer based on radiant cooling and solar energy utilization, including following step:
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 brought into close contact with the reflective layer 3 of the radiation cooling structure 1;
the third step: forming a reflecting layer 3 by plating a high-reflection material such as silver or aluminum on one side of the emitting layer 4, and attaching the reflecting layer 3 to the metal plate 10 by using a material with a high heat transfer coefficient such as silica gel;
the fourth step: the other side of the emitting layer 4 is covered with a covering material layer 8, and an air layer 7 with a proper thickness is formed in the middle.
The supporting layer of the whole temperature adjusting device is a metal plate, and the metal plate can be made into a rotating structure or an overturning structure and used for conversion in winter and summer.
Example 2:
as shown in fig. 1, 4 and 5, the utility model discloses a temperature regulating device based on radiant cooling and solar energy utilization in winter and summer is arranged in by temperature regulating medium 6 upper portion, comprises radiant cooling structure 1 and heat-absorbing layer 2, and radiant cooling structure 1 and heat-absorbing layer 2 in close contact with.
The radiation cooling structure 1 consists of an emitting layer 4 and a wind screen 5. The emitting layer 4 emits heat in the temperature-regulated medium 6 in the form of infrared rays, and is composed of a PVDF-HFP (polyvinylidene fluoride-hexafluoropropylene) material layer with the thickness of more than 400 mu m. The wind screen 5 is composed of an air layer 7 and a covering material layer 8, wherein the air layer 7 is positioned between the emission layer 4 and the covering material layer 8. The air layer 7 can be hollow, vacuum or hollow filled with argon. The covering material layer 9 should have a high transmittance for all light or electromagnetic waves of a wavelength of 0.25 μm to 13 μm and absorb little or no heat.
The heat absorbing layer 2 is composed of a solar heat absorbing material layer 9 and a metal plate 10, the metal plate 10 is located between the solar heat absorbing material layer 9 and the emitting layer 4 of the radiation cooling structure 1 and is tightly combined with the radiation cooling structure 1, and the radiation cooling structure 1 and the metal plate 10 can be firmly bonded together by adopting a bonding agent with high heat transfer coefficient such as silica gel.
The solar heat absorbing material layer 9 can be made of heat absorbing materials commonly used in solar heat collectors, and has the highest heat absorbing efficiency. The metal plate 10 serves to support the entire device and to coat the solar heat absorbing material layer 9. The metal plate 10 is required to have good heat transfer performance, can be made of aluminum plates, steel plates or copper plates, and can be processed into a rotating structure or a turnover structure for conversion in winter and summer. The heat absorbing layer 2 faces the atmosphere in winter, and is sequentially provided with a solar heat absorbing material layer 9, a metal plate 10, an emitting layer 4, an air layer 7, a covering material layer 8 and a temperature-regulated medium 6 from top to bottom. The covering material layer 8 faces the atmosphere by rotating in summer, and the covering material layer 8, the air layer 7, the emission layer 4, the metal plate 10, the solar heat absorption material layer 9 and the temperature-regulated medium 6 are arranged in sequence from top to bottom. In summer, the emission layer 4 in the radiant cooling structure 1 emits the heat extracted from the temperature-conditioned medium 6 into space in the form of 8-13 μm infrared radiation. In winter, the solar heat absorbing material layer 9 in the heat absorbing layer 2 transfers the absorbed solar radiation heat to the temperature-regulated medium 5.
The utility model discloses temperature regulating device in winter and summer based on radiation cooling and solar energy utilization should with by temperature adjusting medium 6 abundant contacts, slope or level are placed on the roof, require the place ahead not to shelter from, do benefit to the transmission electromagnetic wave directive aerial, fully absorb solar radiation heat moreover.
Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited to the above specific functions and operations, and the above specific embodiments are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, which is within the protection scope of the present invention.
Claims (10)
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. The winter and summer temperature regulating device based on radiant cooling and solar energy utilization according to claim 1, characterized in that the air layer (7) is filled with argon gas in a hollow, vacuum or hollow mode.
5. The winter and summer temperature adjusting device based on radiant cooling and solar energy utilization according to claim 1, 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 a turnover structure for winter and summer conversion, the heat absorbing layer (2) faces the atmosphere in winter, and the covering material layer (8) faces the atmosphere in summer by rotation.
6. The winter and summer temperature regulating device based on radiant cooling and solar energy utilization according to claim 1, 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; in winter, the solar heat absorption material layer (9) in the heat absorption layer (2) transfers the absorbed solar radiation heat to the temperature-regulated medium (6).
7. 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).
8. The winter and summer temperature regulating device based on radiant cooling and solar energy utilization according to claim 7, characterized in that the air layer (7) is filled with argon gas in a hollow, vacuum or hollow mode.
9. The winter and summer temperature adjusting device based on radiant cooling and solar energy utilization according to claim 7, 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 a turnover structure for winter and summer conversion, the heat absorbing layer (2) faces the atmosphere in winter, and the covering material layer (8) faces the atmosphere in summer by rotation.
10. The winter and summer temperature regulating device based on radiant cooling and solar energy utilization according to claim 7, 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; in winter, the solar heat absorption material layer (9) in the heat absorption layer (2) transfers the absorbed solar radiation heat to the temperature-regulated medium (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921544958.1U CN211345922U (en) | 2019-09-17 | 2019-09-17 | Winter and summer temperature adjusting device based on radiation cooling and solar energy utilization |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921544958.1U CN211345922U (en) | 2019-09-17 | 2019-09-17 | Winter and summer temperature adjusting device based on radiation cooling and solar energy utilization |
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| CN211345922U true CN211345922U (en) | 2020-08-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567188A (en) * | 2019-09-17 | 2019-12-13 | 天津大学 | Winter and summer temperature adjusting device based on radiation cooling and solar energy utilization and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110567188A (en) * | 2019-09-17 | 2019-12-13 | 天津大学 | Winter and summer temperature adjusting device based on radiation cooling and solar energy utilization and construction method |
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Granted publication date: 20200825 Termination date: 20210917 |