Photovoltaic photo-thermal device applied to roof cornice

Abstract

The utility model belongs to the technical field of solar heat utilization, and particularly relates to a photovoltaic photo-thermal device applied to a roof cornice, which comprises a light-transmitting photovoltaic assembly, the light-transmitting photovoltaic assembly is arranged between a vertical wall body and a cornice plate, and the light-transmitting photovoltaic assembly, the vertical wall body and the cornice plate can define an air cavity for heating air; wherein the cornice plate is fixedly connected with the vertical wall body, the vertical wall body is provided with an air inlet and an air outlet which are communicated with the air cavity, air in the air cavity can enter a room from the air inlet, and air in the room can enter the air cavity from the air outlet. According to the device, after light irradiates on the light-transmitting photovoltaic module, part of the light is used for power generation of the photovoltaic module, the other part of the light is used for penetrating through the light-transmitting photovoltaic module to enter the air cavity to heat air in the air cavity, heat energy is fully utilized, and indoor cold air enters the air cavity to be heated and then is discharged into a room, so that the heat energy is fully utilized; the purpose of fully utilizing solar heat energy and light energy is achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to solar energy heat utilization technical field especially relates to a photovoltaic photo-thermal device applied to roof cornice. BACKGROUND

[0002] The building energy consumption of traditional building is higher, and a large amount of resource energy consumption and serious environmental pollution will be generated in the construction and operation process, which undoubtedly makes the current fragile ecological environment worse and will also make the energy shortage problem more serious.

[0003] In order to solve the above problems, solar photovoltaic power generation system can be used to directly convert sunlight into electric energy, which makes solar energy not only provide power for the building itself, but also supply power to the power grid, so that solar photovoltaic building is considered as an important research direction in the future. It can combine building with renewable energy, reduce dependence on traditional power, so as to realize more environmentally friendly and sustainable building.

[0004] However, the photovoltaic system is greatly affected by the power generation efficiency of photovoltaic modules, about 80% of the energy is diffused into the air in the form of heat, and the light heat energy cannot be fully utilized, so a photovoltaic light heat device applied to roof cornice is needed to solve the problem. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a photovoltaic light heat device applied to roof cornice to solve the above problems.

[0006] In order to achieve the above purpose, the utility model provides the following scheme:

[0007] A photovoltaic light heat device applied to roof cornice, comprising a light-transmitting photovoltaic module, the light-transmitting photovoltaic module is arranged between a vertical wall and a cornice plate, and the light-transmitting photovoltaic module can be enclosed with the vertical wall and the cornice plate to form an air cavity for heating air;

[0008] Wherein, the cornice plate is fixedly connected with the vertical wall, the vertical wall is provided with an air inlet and an air outlet which are communicated with the air cavity, and the air in the air cavity can enter the house through the air inlet, and the air in the house can enter the air cavity through the air outlet.

[0009] Optionally, the light-transmitting photovoltaic module comprises a light-transmitting glass plate and a plurality of photovoltaic plates embedded in the light-transmitting glass plate, and the plurality of photovoltaic plates are electrically connected.

[0010] Optionally, the plurality of photovoltaic plates are arranged in a matrix, and two adjacent photovoltaic plates are electrically connected.

[0011] Optionally, one end of the light-transmitting glass plate is used to connect with the vertical wall body, and the other end is used to connect with the eave board.

[0012] Optionally, a pair of sealing plates are arranged on both sides of the air cavity, wherein the air cavity is enclosed by the pair of sealing plates, the light-transmitting photovoltaic assembly, the vertical wall body and the eave board.

[0013] Optionally, gaps are arranged between adjacent photovoltaic plates, wherein when light is irradiated on the light-transmitting glass plate, the gaps can be used to transmit the light into the air cavity.

[0014] Optionally, the light-transmitting glass plate is tempered glass.

[0015] Optionally, a heat insulation layer is arranged on the surface of the eave board.

[0016] Compared with the prior art, the utility model has the advantages and technical effects as follows:

[0017] In use, after the light-transmitting photovoltaic assembly is fixed between the eave board and the vertical wall body, the light-transmitting photovoltaic assembly, the eave board and the vertical wall body form an air cavity for heating air, after light is irradiated on the light-transmitting photovoltaic assembly, part of the light is used for generating electricity by the photovoltaic assembly, and the other part of the light is used for entering the air cavity through the light-transmitting photovoltaic assembly to heat the air inside, so that the heat energy is fully utilized, the air inlet and the air outlet are connected with the air outlet end and the air inlet end of the air circulation device, the air in the house enters the air cavity, and the cold air in the house is heated and then discharged to the house, so that the temperature in the room is improved, and the purpose of fully utilizing solar heat energy and light energy is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor:

[0019] Fig. 1 It is a structural schematic diagram of the utility model;

[0020] Fig. 2 It is a structural sectional view of the utility model;

[0021] Fig. 3 It is a structural sectional view of the embodiment 2 of the utility model;

[0022] 1, photovoltaic module; 2, eave board; 3, vertical wall; 4, air cavity; 5, air inlet; 6, air outlet; 7, photovoltaic panel; 8, one-way light glass; 9, optical fiber bundle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] In order to make the above-mentioned purposes, features and advantages of the present application more apparent, obvious and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0025] Embodiment 1

[0026] With reference to Figs. 1-2 The present application discloses a photovoltaic and photo-thermal device applied to a roof eave, comprising a photovoltaic module, the photovoltaic module is arranged between a vertical wall 3 and an eave board 2, and the photovoltaic module can be combined with the vertical wall 3 and the eave board 2 to form an air cavity 4 for heating air.

[0027] The eave board 2 is fixedly connected with the vertical wall 3, the vertical wall 3 is provided with an air inlet 5 and an air outlet 6 which are in communication with the air cavity 4, and the air inside the air cavity 4 can enter a house through the air inlet 5 and the air in the house can enter the air cavity 4 through the air outlet 6.

[0028] In use, after the photovoltaic module 1 is fixedly connected between the eave board 2 and the vertical wall 3, the photovoltaic module 1, the eave board 2 and the vertical wall 3 combine to form the air cavity 4 for heating air, after light irradiates on the photovoltaic module 1, part of the light is used for generating electricity by the photovoltaic module, and the other part of the light is used for entering the air cavity 4 through the photovoltaic module 1 to heat the air inside the air cavity 4, so that the heat energy is fully utilized, the air inlet 5 and the air outlet 6 are connected with the air outlet end and the air inlet end of an air circulation device, so that the air in the house enters the air cavity 4, and the cold air in the house is heated and then discharged to the house, so that the temperature in the room is increased, and the purpose of fully utilizing solar heat energy and light energy is achieved.

[0029] As an optional embodiment, the photovoltaic module 1 comprises a photovoltaic panel 7 and a plurality of photovoltaic panels 7 embedded in the photovoltaic panel 7, and the plurality of photovoltaic panels 7 are electrically connected.

[0030] As an optional embodiment, the plurality of photovoltaic panels 7 are arranged in a matrix, and two adjacent photovoltaic panels 7 are electrically connected.

[0031] As an optional embodiment, one end of the light-transmitting glass panel is used to connect with the vertical wall 3, and the other end is used to connect with the eave panel 2.

[0032] As an optional embodiment, a pair of sealing plates are further arranged on both sides of the air cavity 4, and the air cavity 4 is enclosed by the pair of sealing plates, the light-transmitting photovoltaic assembly, the vertical wall, and the eave panel 2.

[0033] As an optional embodiment, gaps are provided between adjacent photovoltaic panels 7, and when sunlight is incident on the light-transmitting glass panel, the gaps can transmit sunlight into the air cavity 4.

[0034] As an optional embodiment, the light-transmitting glass panel is tempered glass.

[0035] As an optional embodiment, a heat insulation layer is further arranged on the surface of the eave panel 2.

[0036] By arranging a plurality of photovoltaic panels, the plurality of photovoltaic panels are arranged in a matrix on the light-transmitting glass panel, and gaps are provided between two adjacent photovoltaic panels for sunlight to pass through, so that both sunlight power generation and sunlight heat energy can be utilized.

[0037] The sealing plates are arranged to isolate the external air from the air inside the air cavity 4, thereby ensuring the air heating effect.

[0038] Further, a heat insulation layer is arranged at the bottom of the air cavity 4.

[0039] Further, one end of an optical fiber bundle 9 is arranged in the air cavity 4, and the other end of the optical fiber bundle 9 is fixed in the room.

[0040] By fixing one end of the optical fiber bundle 9 in the room and arranging the other end of the optical fiber bundle 9 in the air cavity 4, after sunlight enters the air cavity 4, the light can enter the room through the optical fiber bundle 9 to provide illumination for the room.

[0041] Embodiment 2:

[0042] Reference Fig. 3 The difference between this embodiment and Embodiment 1 is that the light-transmitting photovoltaic assembly 1 is replaced by a one-way light-incident glass 8, the one-way light-incident glass 8 is fixed between the eave panel 2 and the vertical wall 3, the air cavity 4 is provided with a photovoltaic panel 7 at the bottom, the photovoltaic panel 7 is fixed at the top of the eave panel 2, and a reflective layer is arranged in the air cavity 4 and laid on the vertical wall 3.

[0043] Through the above setting, the light enters through the one-way light glass 8, the light inlet surface of the one-way light glass 8 faces the sun, the light reflection surface of the one-way light glass 8 is arranged in the air cavity 4, after the sunlight enters, the light reflection surface of the one-way light glass 8 and the light reflection layer on the vertical wall body 3 can be reflected in the air cavity 4 for many times, the light utilization rate of the photovoltaic panel 7 is improved, and the photovoltaic panel 7 can be directly purchased according to the required size.

[0044] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0045] The above-described embodiments are only preferred modes of the present application, and do not limit the scope of the present application, and various modifications and improvements to the technical solutions of the present application made by those skilled in the art without departing from the design spirit of the present application should fall within the protection scope of the present application.

Claims

1. A photovoltaic and photothermal device applied to a roof cornice, characterized in that The application relates to a light-transmitting photovoltaic module, which is arranged between a vertical wall (3) and a cornice plate (2) and can form an air cavity (4) for heating air together with the vertical wall (3) and the cornice plate (2). The cornice plate (2) is fixedly connected with the vertical wall (3), the vertical wall (3) is provided with an air inlet (5) and an air outlet (6) which are communicated with the air cavity (4), and air in the air cavity (4) can enter a house through the air inlet (5) and air in the house can enter the air cavity (4) through the air outlet (6).

2. A photovoltaic and photothermal device applied to a roof cornice according to claim 1, characterized in that: The light-transmitting photovoltaic module (1) comprises a light-transmitting glass plate and a plurality of photovoltaic plates (7) embedded in the light-transmitting glass plate, and the photovoltaic plates (7) are electrically connected.

3. A photovoltaic and photothermal device applied to a roof cornice according to claim 2, characterized in that: The photovoltaic plates (7) are arranged in a matrix, and adjacent photovoltaic plates (7) are electrically connected.

4. A photovoltaic and photothermal device applied to a roof cornice according to claim 2, characterized in that: One end of the light-transmitting glass plate is connected with the vertical wall (3), and the other end is connected with the cornice plate (2).

5. A photovoltaic and photothermal device applied to a roof cornice according to claim 1, characterized in that: A pair of sealing plates are arranged on both sides of the air cavity (4), and the air cavity (4) is enclosed by the pair of sealing plates, the light-transmitting photovoltaic module, the vertical wall and the cornice plate (2).

6. A photovoltaic and photothermal device applied to a roof cornice according to claim 3, characterized in that: Adjacent photovoltaic plates (7) have gaps, and when light irradiates on the light-transmitting glass plate, the light can pass through the gaps and enter the air cavity (4).

7. A photovoltaic and photothermal device applied to a roof cornice according to claim 2, characterized in that: The light-transmitting glass plate is tempered glass.

8. A photovoltaic and photothermal device applied to a roof cornice according to claim 1, characterized in that: A heat insulation layer is arranged on the surface of the cornice plate (2).

Images