CN215760094U

CN215760094U - Sun shield

Info

Publication number: CN215760094U
Application number: CN202121659197.1U
Authority: CN
Inventors: 唐海达; 吴巨湖; 李春莹; 李令令
Original assignee: Shenzhen University
Current assignee: Shenzhen University
Priority date: 2021-07-20
Filing date: 2021-07-20
Publication date: 2022-02-08
Anticipated expiration: 2031-07-20

Abstract

The present invention discloses a sun visor which is provided at a sill of a building for shading sun, the sun visor including: a support; the solar panel comprises a panel body, the panel body comprises a solar power generation assembly, a radiation refrigeration assembly, a fixing frame and a support shaft, the fixing frame is connected with the solar power generation assembly and the radiation refrigeration assembly, the solar power generation assembly and the radiation refrigeration assembly are symmetrically arranged on the support shaft, and the support shaft is arranged on the fixing frame and is rotatably connected with the support. Therefore, the sun shield disclosed by the technical scheme of the utility model has the composite functions of generating electricity by using solar energy and radiating refrigeration, and can greatly improve the comprehensive utilization efficiency and time utilization rate of renewable energy sources, thereby achieving the aims of building energy conservation and environmental protection and further meeting the living demands of people.

Description

Sun shield

Technical Field

The utility model relates to the technical field of building energy conservation, in particular to a sun shield.

Background

In daily life, most windowsills of buildings are provided with sun visors, and the sun visors mainly function in reducing solar radiation entering a room through a window so as to reduce indoor heat, reduce air conditioner refrigeration load and ensure the body feeling comfort level of a human body while reducing economic cost; in addition, the sun visor can prevent strong glare to a person caused by direct sunlight.

However, the current sun visor has a single function, can only provide a simple sun-shading effect, and cannot meet the living needs of people.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a sun visor, which aims to achieve the aims of building energy conservation and environmental protection by improving the structure of the sun visor to enable the sun visor to have the combined functions of solar power generation and radiation refrigeration.

In order to achieve the above object, the present invention provides a sunshade panel provided at a sill of a building for shading sunlight, the sunshade panel including:

a support;

the solar panel comprises a panel body, the panel body comprises a solar power generation assembly, a radiation refrigeration assembly, a fixing frame and a support shaft, the fixing frame is connected with the solar power generation assembly and the radiation refrigeration assembly, the solar power generation assembly and the radiation refrigeration assembly are symmetrically arranged on the support shaft, and the support shaft is arranged on the fixing frame and is rotatably connected with the support.

Optionally, the radiation refrigeration assembly comprises a conduction piece, a refrigeration layer and a thermal insulation layer, the conduction piece is connected with the fulcrum shaft, one surface of the refrigeration layer is connected with the conduction piece, and the other surface of the refrigeration layer is connected with the thermal insulation layer.

Optionally, the heat insulation layer includes a covering layer, the covering layer is fixed to the refrigerating layer through the fixing frame, and a cavity is formed between the covering layer and the refrigerating layer.

Optionally, the fulcrum is a cooling water pipe, and the conducting piece is attached to the fulcrum.

Optionally, a space is provided between the solar power generation assembly and the fulcrum.

Optionally, the plate body further comprises a control assembly and a motor, the control assembly is connected with the motor, the motor is connected with the support, the control assembly is used for controlling the motor, and the motor is used for driving the plate body to rotate.

Optionally, the sun visor further comprises a heat sensor, and the heat sensor is arranged on the bracket and connected with the control assembly.

Optionally, the number of the sun visors is multiple, the plurality of sun visors are respectively arranged on a plurality of windowsills of the building, and the plurality of control assemblies are connected with each other to realize linkage control.

Optionally, the fulcrum is horizontally disposed.

Optionally, the fulcrum is vertically disposed.

According to the sun visor disclosed by the technical scheme, the solar power generation assembly and the radiation refrigeration assembly are symmetrically arranged on two sides of the support shaft, namely the solar power generation assembly is the first surface of the visor body, the radiation refrigeration assembly is the second surface of the visor body, the visor body is fixed at the windowsill of a building through the support, when the sun visor blocks sunlight irradiation, the solar panel in the solar power generation assembly can absorb sunlight and convert the sunlight into electric energy for transmission and storage, and renewable resource solar energy is effectively utilized; meanwhile, the radiation refrigeration component can radiate the heat of the building to the outer space with low temperature through radiation, and the cold is obtained by utilizing sky radiation refrigeration. Therefore, the sun shield disclosed by the technical scheme of the utility model has the composite functions of generating electricity by using solar energy and radiating refrigeration, and can greatly improve the comprehensive utilization efficiency and time utilization rate of renewable energy sources, thereby achieving the aims of building energy conservation and environmental protection and further meeting the living demands of people.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of a sun visor according to an embodiment of the present invention;

fig. 2 is a schematic view of the sun visor of fig. 1 in another rotational angle;

FIG. 3 is a schematic structural view of the plate body in FIG. 1;

fig. 4 is a schematic view showing the effect of the sun visor of the present invention applied to a single window;

fig. 5 is a schematic view showing the effect of the sun visor of the present invention applied to a plurality of windows;

fig. 6 is a schematic view showing the effect of the sun visor of the present invention applied to a plurality of windows of a building as a whole;

fig. 7 is a schematic view of the sun visor according to an embodiment of the present invention applied to a plurality of windows of a building;

fig. 8 is a schematic view showing the effect of the sun visor of the present invention applied to a plurality of windows of a building as a whole in another embodiment.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Sun shield	222	Air chamber
10	Support frame	223	Refrigerating layer
				20	Plate body	224	Conducting piece
21	Solar power generation assembly	23	Fixing frame
				22	Radiation refrigeration assembly	24	Support shaft
221	Covering layer

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The present invention provides a sun visor 100, wherein the sun visor 100 is provided at a windowsill of a building for shading sun, and the sun visor 100 includes:

a support 10;

the solar panel comprises a panel body 20, the panel body 20 comprises a solar power generation assembly 21, a radiation refrigeration assembly 22, a fixing frame 23 and a support shaft 24, the fixing frame 23 is connected with the solar power generation assembly 21 and the radiation refrigeration assembly 22, the solar power generation assembly 21 and the radiation refrigeration assembly 22 are symmetrically arranged about the support shaft 24, and the support shaft 24 is arranged on the fixing frame 23 and is rotatably connected with the support 10.

Solar energy is used as a sustainable energy source, has the characteristics of no pollution, inexhaustibility and inexhaustibility, is the foundation of future energy structure and the most promising clean energy technology, and therefore, the reasonable utilization of solar energy can effectively solve the problems of energy crisis, environmental pollution and the like at the present stage. The solar photovoltaic power generation does not need to consume fuel, has higher energy quality, and can provide clean and environment-friendly energy for buildings. With the progress of science and technology, the solar photovoltaic power generation technology will replace the existing power generation mode to a certain extent and be one of the main modes for human to obtain electric power in the future.

Sky radiation refrigeration is a typical passive refrigeration technology, heat of objects on the earth surface is radiated to low-temperature outer space through high permeability of the atmosphere in an 'atmospheric window' wave band (8-13 mu m), and the passive refrigeration effect is achieved by fully utilizing the characteristic of a low-temperature cold source of the outer space. The sky radiation refrigeration is used as a building refrigeration mode, has zero energy consumption and zero pollution, and has better energy-saving and environment-friendly significance and application prospect.

In the sun visor 100 disclosed in the technical solution of the present invention, in a first embodiment, as shown in fig. 1, fig. 2 and fig. 3, a solar power generation assembly 21 and a radiation refrigeration assembly 22 are symmetrically disposed on two sides of a support shaft 24, that is, the solar power generation assembly 21 is a first surface of a plate body 20, the radiation refrigeration assembly 22 is a second surface of the plate body 20, the plate body 20 is fixed at a windowsill of a building through a bracket 10, when the sun visor 100 blocks sunlight irradiation, a solar panel in the solar power generation assembly 21 can absorb sunlight and convert the sunlight into electric energy for transmission and storage, and renewable resource solar energy is effectively utilized; meanwhile, the radiation refrigeration component 22 can radiate the self heat of the building to the space outside the low temperature through radiation, and the cold is obtained by utilizing sky radiation refrigeration.

In addition, as shown in fig. 1, since the panel body 20 is rotatably connected to the bracket 10, the absorption efficiency of the solar power generation assembly 21 to sunlight can be improved by adjusting the rotation angle of the panel body 20, so as to improve the utilization rate of the sun visor 100 to solar energy, and meanwhile, the efficiency of the sun visor 100 to sky radiation refrigeration can also be improved by adjusting the orientation of the panel body 20 to sky; in addition, the rotation angle of the adjusting plate body 20 can also improve the shielding effect of the sun visor 100 on sunlight, so as to shield the sunlight to the maximum extent, thereby reducing solar radiation entering the interior of a building through a building window, reducing indoor heat, reducing air conditioning refrigeration load, reducing economic cost, preventing strong glare caused by direct sunlight to people, and optimizing the light environment in the room.

Meanwhile, as shown in fig. 1, 2 and 3, the sun visor has a relatively simple structure, is convenient to produce and install, can be flexibly used for various building sun-shading parts, and has a large building energy-saving potential and a good application prospect.

Therefore, the sun visor 100 disclosed by the technical scheme of the utility model has the composite functions of generating power by using solar energy and cooling by radiation, and can greatly improve the comprehensive utilization efficiency and time utilization rate of renewable energy sources, thereby achieving the aims of building energy conservation and environmental protection and further meeting the living demands of people.

In the present embodiment, the solar power generation module 21 includes a tempered glass, an adhesive layer, a solar cell panel, and a back sheet composed of a polyvinyl fluoride (TPT) film. Wherein, toughened glass is located the outside of board body 20 for protect solar cell panel, secondly for solar cell panel, and the back plate then that is closest to fulcrum 24 among the solar power generation subassembly 21, adopt white polyvinyl fluoride complex film backplate can play the reflex action to the sunlight, improve the absorption rate of solar power generation subassembly 21 to the sunlight, thereby improve the absorption efficiency of solar power generation subassembly 21 subassembly to the sunlight, and white polyvinyl fluoride complex film backplate still has higher infrared emissivity, can reduce solar power generation subassembly 21's operating temperature. In addition, between toughened glass and solar cell panel to and between solar cell panel and the backplate, all be equipped with the doubling layer, in order to be used for promoting solar energy power generation component 21 overall structure's stability.

Further, as shown in fig. 3, the radiation refrigeration assembly 22 includes a conductive member 224, a refrigeration layer 223 and a thermal insulation layer, the conductive member 224 is connected to the fulcrum 24, one surface of the refrigeration layer 223 is connected to the conductive member 224, and the other surface of the refrigeration layer 223 is connected to the thermal insulation layer.

Specifically, the refrigeration layer 223 is made of radiation refrigeration material, when the refrigeration layer 223 obtains refrigeration capacity for sky radiation building heat, the refrigeration capacity is transmitted to the fulcrum 24 through the conduction piece 224, and the fulcrum 24 is a cooling water pipe, so the refrigeration capacity is further transmitted through the cooling water in the fulcrum 24; the heat insulation layer is used for isolating the refrigeration layer 223 from the outside air outside the sun visor 100, and prevents the refrigeration layer 223 from exchanging heat with the outside air, thereby losing the refrigeration capacity obtained by radiation refrigeration.

In this embodiment, the conductive element 224 is a metal plate, specifically an aluminum plate, and the radiation refrigeration material is a spectrum selective material for emitting light with a fixed wavelength band of 8 μm to 12 μm to the sky to realize radiation refrigeration.

Further, as shown in fig. 3, the heat insulation layer includes a covering layer 221, the covering layer 221 and the refrigeration layer 223 are fixed by the fixing frame 23, and a cavity is formed between the covering layer 221 and the refrigeration layer 223. Thus, the covering layer 221 can prevent the refrigeration layer 223 from contacting with the outside air to generate heat exchange while ensuring that the radiation efficiency of the refrigeration layer 223 is not affected, so that the refrigeration quantity obtained by the radiation refrigeration of the refrigeration layer 223 is lost; wherein a space is provided between the cover layer 221 and the refrigerant layer 223 to form the air chamber 222, the thermal insulation capability of the thermal insulation layer can be further improved.

Specifically, the cover layer 221 is a polyethylene plastic film (PE). Because the polyethylene plastic film has high passing rate to the heat radiation of the refrigerating layer 223, and the polyethylene plastic film also has excellent low temperature resistance, the lowest use temperature can reach-70 to-100 ℃, and the chemical property is stable, the polyethylene plastic film is adopted as the covering layer 221, so that the performance of the radiation refrigerating component 22 is better.

Further, as shown in fig. 1, the support shaft is a cooling water pipe, and the conductor is attached to the support shaft. Specifically, since the conduction member 224 is tightly attached to the support shaft 24, and the support shaft 24 is a cooling water pipe, the cooling energy obtained by the radiation refrigerating assembly 22 can be transmitted and stored through the cooling water in the cooling water pipe.

Further, as shown in fig. 3, a space is provided between the solar power generation module 21 and the support shaft 24. Specifically, since the solar cell panel in the solar power generation assembly 21 absorbs sunlight to realize energy conversion, and also absorbs a large amount of heat, a space is provided between the solar power generation assembly 21 and the support shaft 24, so as to prevent the heat of the solar power generation assembly 21 from affecting the temperature of cooling water in the support shaft 24, and thus, the cooling capacity obtained by radiation refrigeration of the sun visor 100 is lost.

Further, the plate body 20 further comprises a control assembly and a motor, the control assembly is connected with the motor, the motor is connected with the support 10, wherein the control assembly is used for controlling the motor, and the motor is used for driving the plate body 20 to rotate.

Like this, accessible control assembly carries out intelligent control to the motor to the turned angle of driving motor adjusting plate body 20, with mechanical automation has replaced the mode of artifical adjusting plate body 20 angle, has improved sunshading board 100's practicality. In this embodiment, the control assembly includes a time motor control system, and the rise and fall time of the sun in different seasons is stored in advance to the time motor control system, and the corresponding rotation angle of the plate body 20 is set, so that the drive motor adjusts the angle of the plate body 20 at the set time, and the intelligent adjustment of the rotation angle of the plate body 20 is realized.

Further, the sun visor 100 further comprises a heat sensor, which is disposed on the bracket 10 and connected to the control assembly. Specifically, through the heat response of heat inductor to the sunlight, the heat inductor is with data transmission to the angle of control assembly analysis sun, then control assembly is according to the turned angle of analysis result automatic regulating plate body 20 to improve the energy conversion rate to the sunlight, and realize sheltering from to sunlight furthest. In the present embodiment, the heat sensor is disposed on the bracket 10, and in other embodiments, the heat sensor may be disposed on a windowsill or a wall of a building, etc. at a position where the heat sensor can receive sunlight, which is not particularly limited herein.

Further, as shown in fig. 5 to 8, the sun visor 100 is provided in plurality, the sun visor 100 is respectively provided at a plurality of windowsills of the building, and the control components are connected to each other to realize linkage control.

In the practical application process, a plurality of sun visors 100 on the same floor can be transversely connected in series and track the sun in a linkage manner, the rotation angle is adjusted according to the position of the sun, and the rotation angles of the sun visors 100 on all floors are different for the whole building, so that the conversion and utilization of solar energy are realized to the maximum extent.

In the present embodiment, as shown in fig. 1 to 4, the fulcrum 24 is horizontally disposed. Specifically, the plate body 20 is horizontally disposed and can be rotated up and down about the bracket 10 by means of a fulcrum 24. In practical application, the solar power generation assembly 21 of the sun visor 100 can convert solar energy to obtain electric energy in the daytime, so that the solar energy can be converted and utilized, the sun visor 100 has a good shielding effect on sunlight at the moment, and the plate body 20 is rotated at night to enable the radiation refrigeration assembly 22 to face the sky, so that the heat radiated to the sky is refrigerated.

In another embodiment, as shown in fig. 8, the fulcrum 24 is vertically disposed. Specifically, the plate body 20 is vertically disposed, and can be rotated left and right about the bracket 10 by means of the fulcrum 24. In this way, the sun visor 100 can not only realize the conversion and utilization of solar energy by the solar power generation module 21, but also realize radiation refrigeration by the radiation refrigeration module 22 toward the sky, and can further improve the conversion and utilization efficiency of sustainable energy sources in comparison with the case that the support shaft 24 is horizontally arranged; however, the vertically arranged plate body 20 is inferior in the effect of blocking sunlight to the horizontally arranged plate body 20.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A sun visor for providing protection from the sun to a sill of a building, said sun visor comprising:

a support;

2. The visor of claim 1 wherein the radiant cooling assembly includes a conductive member connected to the fulcrum, a cooling layer having one side connected to the conductive member and the other side connected to the insulating layer.

3. The visor of claim 2 wherein the insulating layer comprises a cover layer, the cover layer and the cooling layer being secured by the mount, a cavity being formed between the cover layer and the cooling layer.

4. The visor of claim 2 wherein said fulcrum is a cooling water tube and said conductor is disposed in abutment with said fulcrum.

5. The visor of claim 1 wherein a spacing is provided between the solar power generation assembly and the fulcrum.

6. The visor of claim 1 wherein the panel body further comprises a control assembly and a motor, the control assembly being connected to the motor, the motor being connected to the bracket,

the control assembly is used for controlling the motor, and the motor is used for driving the plate body to rotate.

7. The visor of claim 6 further comprising a heat sensor, said heat sensor being mounted to the bracket and connected to said control assembly.

8. The sun visor of claim 6 wherein said sun visor is a plurality of said sun visors respectively mounted to a plurality of windowsills of said building, said plurality of control members being interconnected for coordinated control.

9. A sun visor according to any one of claims 1 to 8 wherein the fulcrum is horizontally disposed.

10. A sun visor according to any one of claims 1 to 8 wherein the fulcrum is vertically disposed.