A gas heat exchange photovoltaic thermal device

Abstract

The utility model discloses a gas heat exchange photovoltaic thermal device, which relates to the field of photovoltaic thermal technology, including an air-to-air heat exchange mechanism, wherein the upper end of the air-to-air heat exchange mechanism is fixedly provided with a photovoltaic thermal mechanism, and the lower end of the photovoltaic thermal mechanism is connected with an energy storage mechanism. The utility model solves the problem that the existing photovoltaic thermal device has thick multilayer materials with low light transmittance and easy dust collection, resulting in low double power generation and heat collection efficiency, and requires the use of materials with increased light transmittance and thermal insulation effects to reduce the back reflection of light. The utility model adopts photovoltaic glass material setting of the set mirror component, adopts photovoltaic glass with high light transmittance and good thermal insulation, and adopts two groups of oblique photovoltaic glasses that are arranged obliquely relative to each other, so that not only the photovoltaic component can normally convert solar energy into electrical energy, but also the outer surface reflected light of the oblique photovoltaic glass can be concentrated to the thermal focusing glass, so that light energy can be converted into heat energy, and the V-shaped settings on both sides of the oblique photovoltaic glass reduce the back reflection of light.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic thermal technology, in particular to a gas heat exchange photovoltaic thermal device. Background Art

[0002] The function of the gas heat exchange photovoltaic thermal device is to convert solar energy into electrical energy and thermal energy at the same time, thereby improving the utilization efficiency of solar energy. This device is usually composed of photovoltaic components, thermal components, heat exchangers, gas flow systems, controllers, energy storage systems, and auxiliary energy systems. Through the synergistic effect of these components, efficient utilization of solar energy can be achieved, thereby generating clean energy.

[0003] A photothermal and photovoltaic integrated power generation device with publication number CN209558698U is provided. A transmission mechanism is provided to adjust the angle according to the direction of the sun to avoid the situation where the angle cannot be adjusted so that the photothermal and photovoltaic working modes cannot be absorbed, resulting in a large amount of light source waste. A photothermal and photovoltaic integrated mechanism is provided, and the photothermal or photovoltaic working mode can be selected according to different photophysical environments. When working, it is divided into two states that can be switched between, namely the photothermal working state and the photovoltaic working state. However, the multi-layer material of this photovoltaic and photothermal device is thick and has low light transmittance and is easy to collect dust, resulting in low double power generation and heat collection efficiency. It is necessary to use materials with increased light transmittance and thermal insulation effect to reduce light back reflection.

[0004] In order to solve the above problems, a gas heat exchange photovoltaic thermal device is proposed. Utility Model Content

[0005] The purpose of the utility model is to provide a gas heat exchange photovoltaic thermal device, which solves the problem that the existing photovoltaic thermal devices in the background technology have thick multi-layer materials with low light transmittance and easy dust collection, resulting in low double power generation and heat collection efficiency, and need to use materials with increased light transmittance and thermal insulation effect to reduce the problem of retroreflection of light.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas heat exchange photovoltaic thermal device, comprising an air-to-air heat exchange mechanism, a photovoltaic thermal mechanism is fixedly arranged on the upper end of the air-to-air heat exchange mechanism, and an energy storage mechanism is connected to the lower end of the photovoltaic thermal mechanism. The air-to-air heat exchange mechanism comprises a heat exchanger shell assembly, a heat exchange assembly connected to the heat exchanger shell assembly, the photovoltaic thermal mechanism comprises a photothermal assembly fixedly arranged on the upper end of the heat exchange assembly, a photovoltaic assembly connected to both ends of the photothermal assembly, a set mirror assembly is fitted on the upper ends of the photothermal assembly and the photovoltaic assembly, the set mirror assembly comprises a photothermal focusing glass arranged on the upper end of the photothermal assembly, and an oblique photovoltaic glass arranged on the upper end of the photovoltaic assembly, and two groups of the photovoltaic assemblies and the oblique photovoltaic glass are arranged in a mirror-like manner about the photothermal assembly.

[0007] Preferably, the heat exchanger shell assembly includes a heat exchange support frame, and the heat exchange support frame is provided in two groups. A cylindrical ring is fixedly provided on the upper end of the two groups of heat exchange support frames, and both sides of the upper end of the cylindrical ring are connected to photothermal gas sealing tubes for replacing the closed gaseous heat medium.

[0008] Preferably, the heat exchange assembly comprises side frames connected to both ends of the cylindrical ring, and built-in heat exchange pipes are connected between the side frames at both ends.

[0009] Preferably, a gas input and output pipe is provided at the upper end of the side frame.

[0010] Preferably, a light focusing point is provided inside the photothermal assembly, and the light focusing point is connected with the interior of the cylindrical ring.

[0011] Preferably, the photovoltaic assembly comprises photovoltaic panels respectively fitted with two groups of oblique photovoltaic glasses, and the lower end support of the photovoltaic panel is provided with an oblique photovoltaic support frame.

[0012] Preferably, the energy storage mechanism includes a fixed bottom plate fixedly arranged at the lower end of the inclined photovoltaic support frame, a U-shaped heightening plate fixedly arranged at the upper end of the fixed bottom plate, and the upper end of the U-shaped heightening plate is in contact and support with the cylindrical ring.

[0013] Preferably, the energy storage mechanism further comprises energy storage batteries fixedly arranged at both ends of the U-shaped heightening plate, and a connecting wire is arranged at the upper end of the energy storage battery, and the connecting wire is interconnected with the photovoltaic panel.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] 1. The utility model provides a gas heat exchange photovoltaic thermal device, which adopts photovoltaic glass with high light transmittance and good thermal insulation through the photovoltaic glass material setting of the set mirror assembly, thereby solving the problem that the existing photovoltaic thermal device has thick multi-layer materials with low light transmittance and easy dust collection, resulting in low double power generation and heat collection efficiency, and needs to use materials with increased light transmittance and thermal insulation effect.

[0016] 2. The utility model provides a gas heat exchange photovoltaic thermal device, which is arranged by matching two groups of photovoltaic components and thermal components, so that the photovoltaic components and the oblique photovoltaic glasses arranged obliquely on both sides of the thermal components overlap with each other. The oblique relative arrangement of the two groups of oblique photovoltaic glasses not only enables the photovoltaic components to normally convert solar energy into electrical energy, but also can concentrate the reflected light on the outer surface of the oblique photovoltaic glass to the thermal focusing glass. The thermal focusing glass then converges the sunlight to the light gathering point, so that the light energy can be converted into thermal energy. The V-shaped arrangement on both sides of the oblique photovoltaic glass reduces the back reflection of light, improves the utilization efficiency of solar energy, and solves the problem of the existing photovoltaic thermal device that needs to reduce the back reflection of light. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the overall split structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the overall side view structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the disassembled structure of the gas-to-gas heat exchange mechanism of the utility model.

[0021] In the figure: 1. air-to-air heat exchange mechanism; 11. heat exchanger housing assembly; 111. heat exchange support frame; 112. cylindrical ring; 113. photothermal gas sealing tube; 12. heat exchange assembly; 121. side frame; 1211. gas input and output pipes; 122. built-in heat exchange tube; 2. photovoltaic thermal mechanism; 21. photothermal assembly; 211. light focusing point; 22. photovoltaic assembly; 221. photovoltaic panel; 222. oblique photovoltaic support frame; 23. set mirror assembly; 231. oblique photovoltaic glass; 232. photothermal focusing glass; 3. energy storage mechanism; 31. fixed bottom plate; 32. U-shaped heightening plate; 33. energy storage battery; 331. connecting wire. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0024] Combination Figure 1A gas heat exchange photovoltaic thermal device of the utility model comprises an air-to-air heat exchange mechanism 1, a photovoltaic thermal mechanism 2 is fixedly arranged at the upper end of the air-to-air heat exchange mechanism 1, and an energy storage mechanism 3 is connected to the lower end of the photovoltaic thermal mechanism 2. The air-to-air heat exchange mechanism 1 comprises a heat exchanger shell assembly 11, and a heat exchange assembly 12 connected to the heat exchanger shell assembly 11 is arranged. The photovoltaic thermal mechanism 2 comprises a photothermal assembly 21 fixedly arranged at the upper end of the heat exchange assembly 12, and a photovoltaic assembly 22 connected to both ends of the photothermal assembly 21. The upper ends of the photothermal assembly 21 and the photovoltaic assembly 22 are fitted with a set mirror assembly 23. The set mirror assembly 23 comprises a photothermal focusing glass 232 arranged at the upper end of the photothermal assembly 21, and an oblique photovoltaic glass 231 arranged at the upper end of the photovoltaic assembly 22. The two groups of photovoltaic assemblies 22 and the oblique photovoltaic glass 231 are arranged in a mirror-symmetrical manner about the photothermal assembly 21.

[0025] Specifically, the gaseous heat medium built into the heat exchanger shell assembly 11 stores heat through the cooperation of the photothermal assembly 21 and the photothermal focusing glass 232. The air transported in the heat exchange assembly 12 contacts and exchanges heat with the gaseous heat medium in the heat exchanger shell assembly 11 to achieve air heating. The photovoltaic assemblies 22 and the oblique photovoltaic glasses 231 arranged obliquely on both sides of the photothermal assembly 21 overlap with each other. The oblique relative arrangement of the two groups of oblique photovoltaic glasses 231 not only enables the photovoltaic assemblies 22 to convert solar energy into electrical energy normally, but also enables the reflected light from the outer surface of the oblique photovoltaic glass 231 to be concentrated to the photothermal focusing glass 232. The photothermal focusing glass 232 then converges the sunlight to the light gathering point 211, so that the light energy can be converted into heat energy. The set mirror assembly 23 adopts photovoltaic glass with high light transmittance and good thermal insulation. The V-shaped arrangement on both sides of the oblique photovoltaic glass 231 reduces the back reflection of light and improves the efficiency of solar energy utilization.

[0026] The utility model is further described below in conjunction with embodiments.

[0027] Embodiment 1:

[0028] Combination Figure 4 The heat exchanger shell assembly 11 includes a heat exchange support frame 111. Two groups of heat exchange support frames 111 are provided. A cylindrical ring 112 is fixedly provided on the upper end of the two groups of heat exchange support frames 111. Both sides of the upper end of the cylindrical ring 112 are connected with photothermal gas sealing tubes 113 for replacing the closed gaseous heat medium. The two groups of heat exchange support frames 111 realize the fixed support of the cylindrical ring 112. The cylindrical ring 112 has a built-in gaseous heat medium. The photothermal gas sealing tube 113 at the upper end can be opened or closed. The outer shell of the cylindrical ring 112 is made of thermal insulation material and can store heat well.

[0029] The heat exchange assembly 12 includes side frames 121 connected to both ends of the cylindrical ring 112, and built-in heat exchange pipes 122 are connected between the side frames 121 at both ends. The side frames 121 at both ends and the built-in heat exchange pipes 122 are interconnected, and the air inside the built-in heat exchange pipes 122 flows through the interior of the cylindrical ring 112 to achieve heat exchange.

[0030] A gas input and output pipe 1211 is provided at the upper end of the side frame 121 , and two groups of gas input and output pipes 1211 are interconnected through the side frame 121 and the built-in heat exchange pipe 122 to control the flow direction of air and complete air-to-air heat exchange.

[0031] Embodiment 2:

[0032] Combination Figure 2 and Figure 3 A light focusing point 211 is provided inside the photothermal component 21 , and the light focusing point 211 is connected to the inside of the cylindrical ring 112 . The light heat is focused at the light focusing point 211 to heat the gaseous heat medium inside the cylindrical ring 112 .

[0033] The photovoltaic assembly 22 includes a photovoltaic panel 221 which is respectively fitted with two groups of oblique photovoltaic glasses 231. The lower end of the photovoltaic panel 221 is supported by an oblique photovoltaic support frame 222. The oblique photovoltaic support frame 222 supports and fixes the photovoltaic panel 221, and the photovoltaic panel 221 realizes photoelectric conversion.

[0034] The energy storage mechanism 3 includes a fixed bottom plate 31 fixedly arranged at the lower end of the oblique photovoltaic support frame 222, and a U-shaped heightening plate 32 fixedly arranged at the upper end of the fixed bottom plate 31. The upper end of the U-shaped heightening plate 32 is in contact and supported with the cylindrical ring 112. The fixed bottom plate 31 supports and fixes the U-shaped heightening plate 32, the oblique photovoltaic support frame 222 and the heat exchange support frame 111, and the U-shaped heightening plate 32 supports the middle part of the cylindrical ring 112.

[0035] The energy storage mechanism 3 also includes an energy storage battery 33 fixedly arranged at both ends of the U-shaped heightening plate 32. A connecting line 331 is arranged at the upper end of the energy storage battery 33. The connecting line 331 is interconnected with the photovoltaic panel 221. The electric energy generated by the photovoltaic panel 221 is transmitted to the energy storage battery 33 for energy storage through the connecting line 331. The energy storage battery 33 is arranged at the lower end of the inclined photovoltaic support frame 222, and can be protected from wind and rain under the protection of the photovoltaic assembly 22 and the set mirror assembly 23.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gas heat exchange photovoltaic thermal device, comprising a gas-to-gas heat exchange mechanism (1), characterized in that: A photovoltaic thermal mechanism (2) is fixedly arranged at the upper end of the gas-to-gas heat exchange mechanism (1), and an energy storage mechanism (3) is connected to the lower end of the photovoltaic thermal mechanism (2); The air-to-air heat exchange mechanism (1) comprises a heat exchanger shell component (11), a heat exchange component (12) connected to the heat exchanger shell component (11), the photovoltaic thermal mechanism (2) comprises a photothermal component (21) fixedly arranged at the upper end of the heat exchange component (12), a photovoltaic component (22) connected to both ends of the photothermal component (21), the upper ends of the photothermal component (21) and the photovoltaic component (22) are sleeved with a set mirror component (23), the set mirror component (23) comprises a photothermal focusing glass (232) arranged at the upper end of the photothermal component (21), and an oblique photovoltaic glass (231) arranged at the upper end of the photovoltaic component (22), and the two groups of the photovoltaic components (22) and the oblique photovoltaic glass (231) are arranged in a mirror-like manner with respect to the photothermal component (21).

2. A gas heat exchange photovoltaic thermal device according to claim 1, characterized in that: The heat exchanger housing assembly (11) comprises a heat exchange support frame (111), wherein two groups of the heat exchange support frames (111) are provided, and cylindrical rings (112) are fixedly provided at the upper ends of the two groups of the heat exchange support frames (111), and both sides of the upper ends of the cylindrical rings (112) are connected to photothermal gas sealing tubes (113) for replacing closed gaseous heat media.

3. A gas heat exchange photovoltaic thermal device according to claim 2, characterized in that: The heat exchange component (12) comprises side frames (121) connected to both ends of the cylindrical ring (112), and a built-in heat exchange pipe (122) is connected between the side frames (121) at both ends.

4. A gas heat exchange photovoltaic thermal device according to claim 3, characterized in that: A gas input and output pipe (1211) is provided at the upper end of the side frame (121).

5. The gas heat exchange photovoltaic thermal device according to claim 1, characterized in that: A light focusing point (211) is provided inside the photothermal component (21), and the light focusing point (211) is connected to the inside of the cylindrical ring (112).

6. A gas heat exchange photovoltaic thermal device according to claim 1, characterized in that: The photovoltaic assembly (22) comprises a photovoltaic panel (221) which is respectively fitted with two groups of oblique photovoltaic glasses (231), and an oblique photovoltaic support frame (222) is provided at the lower end support of the photovoltaic panel (221).

7. A gas heat exchange photovoltaic thermal device according to claim 6, characterized in that: The energy storage mechanism (3) comprises a fixed bottom plate (31) fixedly arranged at the lower end of the oblique photovoltaic support frame (222), and a U-shaped height-increasing plate (32) fixedly arranged at the upper end of the fixed bottom plate (31), wherein the upper end of the U-shaped height-increasing plate (32) and the cylindrical ring (112) are in contact with each other for support.

8. A gas heat exchange photovoltaic thermal device according to claim 7, characterized in that: The energy storage mechanism (3) further comprises energy storage batteries (33) fixedly arranged at both ends of the U-shaped height-increasing plate (32), a connecting line (331) being arranged at the upper end of the energy storage battery (33), and the connecting line (331) and the photovoltaic panel (221) are interconnected.

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