Parallel flow channel photo-thermal photovoltaic integrated plate convenient to overhaul

Abstract

The utility model discloses a parallel flow channel photo-thermal photovoltaic integrated panel convenient for maintenance, which comprises an absorption panel, a pipeline frame, a backing plate and a parallel flow channel, the parallel flow channel is arranged in the pipeline frame, the parallel flow channel is composed of an upper transverse pipe, a lower transverse pipe and a vertical pipe, the two ends of the upper transverse pipe and the two ends of the lower transverse pipe are fixedly connected with the two sides of the inner wall of the pipeline frame, the vertical pipe is arranged between the upper transverse pipe and the lower transverse pipe, the bottom of the upper transverse pipe is fixedly connected with a first connecting pipe, the top of the lower transverse pipe is fixedly connected with a second connecting pipe, and the top end of the vertical pipe is fixedly connected with a first pipe connector. The first pipe connector is in threaded connection with the first connecting pipe. According to the utility model, through the parallel design of the runners, each vertical pipe can be independently isolated, and when the vertical pipes are blocked, the vertical pipes can be detached between the upper transverse pipe and the lower transverse pipe by virtue of the matching of the rotary joints and the corrugated telescopic pipes, so that the subsequent maintenance and replacement are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic and thermal integration, and in particular to a parallel flow channel photothermal and photovoltaic integrated panel which is easy to maintain. Background Art

[0002] PVT photovoltaic and thermal integrated technology is a method of comprehensive utilization of solar energy. PVT refers to the combination of photovoltaic (Photovoltaic) and thermal (Thermal). Photovoltaic technology converts solar radiation into electrical energy, while thermal technology converts solar radiation into thermal energy. PVT integrated technology combines these two methods to achieve dual utilization of solar energy, playing an important role in many fields and providing us with clean and renewable energy.

[0003] PVT photovoltaic and thermal integration technology has many application areas. In the field of construction, PVT modules can be installed on the exterior walls, roofs and other locations of buildings to generate electricity through photovoltaic power generation, while using solar heat to generate hot water for heating or drive refrigeration equipment. This can not only meet the energy needs of buildings, but also reduce dependence on traditional energy and achieve the goal of energy conservation and emission reduction.

[0004] In the agricultural field, PVT photovoltaic and thermal integration technology can be applied to greenhouse cultivation. PVT modules can be covered on the top of the greenhouse, absorbing solar radiation to generate electricity, and using light to generate warm air for the growth of plants in the greenhouse. This can not only increase the temperature of the greenhouse environment, but also reduce energy costs and increase the yield and quality of crops.

[0005] In addition, PVT photovoltaic and thermal integration technology can also be applied to solar water heaters, solar refrigeration and other fields. By combining photovoltaic and thermal technologies, solar energy resources can be utilized to the maximum extent and sustainable use of energy can be achieved.

[0006] When some existing photovoltaic-thermal integrated devices are in use, the water pipes thereon are only single-type pipes, and no disassembly and assembly structure is provided on the water pipes. When the water pipes are blocked, it is inconvenient to repair and replace them.

[0007] For example, a photovoltaic-thermal integrated device disclosed in announcement number CN108768294A is connected to a water tank through a hot and cold regulating flow channel, which maintains the photovoltaic panel at a suitable temperature (about 25°) for higher photoelectric conversion. When the temperature of the photovoltaic panel is too high, the hot and cold regulating flow channel transfers the heat to the water tank through the cooling pipe. While the water tank produces hot water, it ensures a rapid and lasting cooling effect on the photovoltaic panel, effectively protecting the service life of the photovoltaic panel.

[0008] The patent discloses a cooling pipe in a water tank. The cooling pipe is a serpentine curved pipe. The cooling pipe is a single-form pipe and has no disassembly and assembly structure. When the cooling pipe is blocked, it is inconvenient to inspect and replace it.

[0009] Therefore, it is necessary to invent a parallel flow channel solar thermal photovoltaic integrated panel that is easy to maintain to solve the above problems. Utility Model Content

[0010] The utility model aims to provide a parallel flow channel photothermal photovoltaic integrated panel which is easy to maintain, so as to solve the problems in the above-mentioned technology.

[0011] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a parallel flow channel solar thermal photovoltaic integrated panel that is easy to maintain, comprising an absorption panel, a pipeline frame, a backing plate and a parallel flow channel, the parallel flow channel is arranged inside the pipeline frame, the parallel flow channel is composed of an upper transverse tube, a lower transverse tube and a vertical tube, both ends of the upper transverse tube and the lower transverse tube are fixedly connected to the two sides of the inner wall of the pipeline frame, the vertical tube is arranged between the upper transverse tube and the lower transverse tube, the bottom of the upper transverse tube is fixedly connected to a No. 1 connecting pipe, the top of the lower transverse tube is fixedly connected to a No. 2 connecting pipe, the top of the vertical tube is fixedly connected to a No. 1 pipe interface, the No. 1 pipe interface is threadedly connected to the No. 1 connecting pipe, the bottom end of the vertical tube is fixedly connected to a corrugated expansion pipe, the bottom end of the corrugated expansion pipe is installed with a swivel joint, the bottom end of the swivel joint is fixedly connected to a No. 2 pipe interface, the No. 2 pipe interface is threadedly connected to the No. 2 connecting pipe, and control valves are installed in the middle of the No. 1 connecting pipe and the No. 2 connecting pipe.

[0012] The No. 1 connecting pipe and the No. 2 connecting pipe can be closed by the control valve, thereby isolating the corresponding vertical pipes from the entire parallel flow channel.

[0013] Preferably, the number of the No. 1 connecting pipe, the No. 2 connecting pipe and the vertical pipe is set to multiple, and the multiple No. 1 connecting pipes, the No. 2 connecting pipes and the vertical pipes are distributed in a linear array.

[0014] By dispersing the water flow through multiple vertical pipes arranged in parallel, the pressure of the water flow can be effectively distributed and the pressure in the entire pipeline can be reduced.

[0015] Preferably, both ends of the upper transverse tube extend to both sides of the outside of the pipeline frame and are fixedly connected with water outlet pipe interfaces, and both ends of the lower transverse tube extend to both sides of the outside of the pipeline frame and are fixedly connected with water inlet pipe interfaces.

[0016] Water is injected into the lower horizontal pipe through the water inlet pipe interface, and the hot water collected in the upper horizontal pipe is discharged through the water outlet pipe interface.

[0017] Preferably, the absorption panel is installed on the front side of the pipeline frame, the backing plate is installed on the back side of the pipeline frame, and the control valve is arranged close to the backing plate.

[0018] The control valve can be switched on and off by removing the backing plate.

[0019] Preferably, the absorption panel is an aluminum plate plated with a black chrome coating, and a plurality of solar cells are mounted on the surface of the absorption panel, and the plurality of solar cells are distributed in a rectangular array.

[0020] The black chrome coating on the panel surface converts solar radiation into heat energy, and the solar cells on the panel surface convert solar radiation into electrical energy.

[0021] Preferably, a plurality of heat-conducting plates are fixedly connected to the back of the absorption panel, a slot is provided on the surface of each of the heat-conducting plates, and the upper transverse tube, the lower transverse tube and the vertical tube are all connected to the slot.

[0022] The heat absorbed by the absorption panel is conducted to the parallel flow channel through the heat conduction plate.

[0023] Preferably, no heat conducting plate is provided at the position of the absorption panel close to the bellows expansion tube and the rotary joint, and the upper horizontal tube, the lower horizontal tube and the vertical tube are all made of copper material.

[0024] The parallel flow channel structure made of copper has good thermal conductivity, which makes it easy to heat the water in the parallel flow channels.

[0025] Preferably, an aluminum film reflective layer is provided on the surface of the backing plate, and the aluminum film reflective layer is arranged toward the parallel flow channel.

[0026] The heat emitted from the parallel flow channels is reflected by the aluminum film reflective layer to prevent the heat of the parallel flow channels from being lost to the outside.

[0027] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0028] 1. Through the parallel design of the flow channel, each vertical pipe can be isolated separately. When the vertical pipe is blocked, the vertical pipe can be removed from between the upper and lower horizontal pipes with the help of the swivel joint and the bellows expansion pipe, which is convenient for subsequent maintenance and replacement.

[0029] 2. By designing the flow channel in parallel and using multiple vertical pipes in parallel to disperse the water flow, the pressure of the water flow can be effectively distributed, the pressure in the entire pipeline can be reduced, the water in the pipeline can flow more smoothly, and bursting and leakage of the pipeline can be avoided. It is suitable for large-scale solar collector systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0031] Figure 2 It is the structural explosion diagram of the utility model;

[0032] Figure 3 It is a structural schematic diagram of the parallel flow channel of the utility model;

[0033] Figure 4 It is a schematic diagram of the structure of the vertical pipe, the corrugated telescopic pipe and the rotary joint of the utility model;

[0034] Figure 5 It is a schematic structural diagram of the absorption panel and the heat conducting plate of the utility model.

[0035] Description of reference numerals:

[0036] 1. Absorption panel; 2. Pipe frame; 3. Backing plate; 4. Upper horizontal pipe; 5. Lower horizontal pipe; 6. Vertical pipe; 7. No. 1 connecting pipe; 8. No. 2 connecting pipe; 9. No. 1 pipe interface; 10. Corrugated expansion pipe; 11. Rotary joint; 12. No. 2 pipe interface; 13. Control valve; 14. Water outlet pipe interface; 15. Water inlet pipe interface; 16. Solar cell; 17. Heat conduction plate. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0038] The utility model provides Figure 1-5 The parallel flow channel solar thermal photovoltaic integrated panel shown in the figure is easy to maintain, including an absorption panel 1, a pipeline frame 2, a backing plate 3 and a parallel flow channel, the parallel flow channel is arranged inside the pipeline frame 2, and the parallel flow channel is composed of an upper transverse tube 4, a lower transverse tube 5 and a vertical tube 6. Both ends of the upper transverse tube 4 and the lower transverse tube 5 are fixedly connected to both sides of the inner wall of the pipeline frame 2, and the vertical tube 6 is arranged between the upper transverse tube 4 and the lower transverse tube 5. The bottom of the upper transverse tube 4 is fixedly connected to a No. 1 connecting pipe 7, and the lower transverse tube A No. 2 connecting pipe 8 is fixedly connected to the top of the vertical pipe 6, a No. 1 pipe interface 9 is fixedly connected to the top of the vertical pipe 6, and the No. 1 pipe interface 9 is threadedly connected to the No. 1 connecting pipe 7, a corrugated telescopic pipe 10 is fixedly connected to the bottom of the vertical pipe 6, a rotary joint 11 is installed at the bottom of the corrugated telescopic pipe 10, a No. 2 pipe interface 12 is fixedly connected to the bottom of the rotary joint 11, and the No. 2 pipe interface 12 is threadedly connected to the No. 2 connecting pipe 8, and control valves 13 are installed in the middle of the No. 1 connecting pipe 7 and the No. 2 connecting pipe 8.

[0039] In one aspect of the present embodiment, the number of the No. 1 connecting pipe 7, the No. 2 connecting pipe 8 and the vertical pipe 6 are all set to be multiple, and the multiple No. 1 connecting pipes 7, the No. 2 connecting pipes 8 and the vertical pipes 6 are all distributed in a linear array, the two ends of the upper horizontal pipe 4 extend to the two sides of the outside of the pipeline frame 2 and are fixedly connected to the outlet pipe interface 14, the two ends of the lower horizontal pipe 5 extend to the two sides of the outside of the pipeline frame 2 and are fixedly connected to the inlet pipe interface 15, the absorption panel 1 is installed on the front of the pipeline frame 2, the backing plate 3 is installed on the back of the pipeline frame 2, the control valve 13 is arranged near the backing plate 3, and the absorption panel 1 is plated with black A chrome-coated aluminum plate, a plurality of solar cells 16 are installed on the surface of the absorption panel 1, and the plurality of solar cells 16 are distributed in a rectangular array. A plurality of heat conductive plates 17 are fixedly connected to the back of the absorption panel 1, and a card slot is opened on the surface of each heat conductive plate 17. The upper horizontal tube 4, the lower horizontal tube 5 and the vertical tube 6 are all connected to the card slot. The heat conductive plate 17 is not set at the position of the absorption panel 1 close to the corrugated expansion tube 10 and the rotary joint 11. The upper horizontal tube 4, the lower horizontal tube 5 and the vertical tube 6 are all made of copper material. An aluminum film reflective layer is set on the surface of the backing plate 3, and the aluminum film reflective layer is set toward the parallel flow channel.

[0040] Working principle of this utility model:

[0041] Refer to the instruction manual Figure 1-5 When using the utility model, firstly, the No. 2 pipe interfaces 12 at both ends of the lower horizontal pipe 5 are connected to the water supply pipe, and water is injected into the lower horizontal pipe 5 from the water supply pipe. The water flow will pass through the rotary joint 11, the corrugated telescopic pipe 10, the vertical pipe 6 and the upper horizontal pipe 4 in sequence, and finally be discharged outward through the outlet pipe interface 14. The water flow is dispersed and transported through multiple vertical pipes 6 arranged in parallel. The parallel flow channel can effectively distribute the pressure of the water flow, reduce the pressure in the entire pipeline, make the water in the pipeline flow more smoothly, and avoid bursting and leakage of the pipeline;

[0042] When one of the vertical pipes 6 is blocked, the control valve 13 on the corresponding No. 1 connecting pipe 7 and No. 2 connecting pipe 8 can be closed to cut off the flow of the vertical pipe 6, so that the vertical pipe 6 is independent from the entire parallel flow channel. Then, the rotary joint 11 is rotated to separate the No. 2 pipe interface 12 from the No. 2 connecting pipe 8. At this time, the bellows expansion tube 10 is compressed upward, and finally the vertical pipe 6 is rotated to separate the No. 1 pipe interface 9 from the No. 1 connecting pipe 7, completing the disassembly of the vertical pipe 6, which is convenient for maintenance and replacement;

[0043] The solar cell 17 on the surface of the absorption panel 1 converts solar radiation into electrical energy, the black chrome coating on the surface of the absorption panel 1 converts solar radiation into thermal energy, and the heat absorbed by the absorption panel 1 is conducted to the parallel flow channel with the help of the heat conductive plate 17. The water will continuously absorb heat and heat up in the process of flowing through the parallel flow channel.

Claims

1. A parallel flow channel solar-thermal photovoltaic integrated panel that is easy to maintain, comprising an absorption panel (1), a pipeline frame (2), a backing plate (3) and a parallel flow channel, characterized in that: The parallel flow channel is arranged inside the pipeline frame (2), and the parallel flow channel is composed of an upper transverse tube (4), a lower transverse tube (5) and a vertical tube (6). Both ends of the upper transverse tube (4) and the lower transverse tube (5) are fixedly connected to the inner wall of the pipeline frame (2). The vertical tube (6) is arranged between the upper transverse tube (4) and the lower transverse tube (5). The bottom of the upper transverse tube (4) is fixedly connected to a first connecting tube (7), the top of the lower transverse tube (5) is fixedly connected to a second connecting tube (8), and the top of the vertical tube (6) is fixedly connected to a second connecting tube (9). A first pipe interface (9) is fixedly connected, the first pipe interface (9) is threadedly connected to a first connecting pipe (7), a bellows expansion pipe (10) is fixedly connected to the bottom end of the vertical pipe (6), a rotary joint (11) is installed at the bottom end of the bellows expansion pipe (10), a second pipe interface (12) is fixedly connected to the bottom end of the rotary joint (11), the second pipe interface (12) is threadedly connected to a second connecting pipe (8), and control valves (13) are installed in the middle of the first connecting pipe (7) and the second connecting pipe (8).

2. The parallel-flow path solar-thermal-photovoltaic integrated panel that is easy to maintain according to claim 1, characterized in that: The number of the No. 1 connecting pipe (7), the No. 2 connecting pipe (8) and the vertical pipe (6) is set to be multiple, and the multiple No. 1 connecting pipes (7), the No. 2 connecting pipes (8) and the vertical pipes (6) are distributed in a linear array.

3. The parallel-flow-channel solar-thermal-photovoltaic integrated panel that is easy to maintain according to claim 1, characterized in that: The two ends of the upper transverse pipe (4) extend to the two sides outside the pipeline frame (2) and are fixedly connected to the water outlet pipe interface (14), and the two ends of the lower transverse pipe (5) extend to the two sides outside the pipeline frame (2) and are fixedly connected to the water inlet pipe interface (15).

4. The parallel-flow-channel solar-thermal-photovoltaic integrated panel that is easy to maintain according to claim 1, characterized in that: The absorption panel (1) is installed on the front side of the pipeline frame (2), the backing plate (3) is installed on the back side of the pipeline frame (2), and the control valve (13) is arranged close to the backing plate (3).

5. The parallel-flow-channel solar-thermal-photovoltaic integrated panel that is easy to maintain according to claim 1, characterized in that: The absorption panel (1) is an aluminum plate plated with a black chrome coating, and a plurality of solar cells (16) are mounted on the surface of the absorption panel (1), wherein the plurality of solar cells (16) are distributed in a rectangular array.

6. The parallel-flow-channel solar-thermal-photovoltaic integrated panel that is easy to maintain according to claim 1, characterized in that: A plurality of heat-conducting plates (17) are fixedly connected to the back of the absorption panel (1), and a slot is provided on the surface of each of the heat-conducting plates (17), and the upper transverse tube (4), the lower transverse tube (5) and the vertical tube (6) are all connected to the slot.

7. The parallel flow channel solar-thermal-photovoltaic integrated panel easy to maintain according to claim 6, characterized in that: The absorption panel (1) is not provided with a heat conducting plate (17) at a position close to the corrugated expansion pipe (10) and the rotary joint (11), and the upper horizontal pipe (4), the lower horizontal pipe (5) and the vertical pipe (6) are all made of copper material.

8. The parallel-flow-channel solar-thermal-photovoltaic integrated panel that is easy to maintain according to claim 1, characterized in that: An aluminum film reflective layer is arranged on the surface of the backing plate (3), and the aluminum film reflective layer is arranged toward the parallel flow channel.

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