Solar heat collection module and heat collector

Abstract

The utility model discloses a solar heat collection module and a heat collector. The heat collection module comprises a heat collection heat preservation box, a glass cover plate is arranged on the upper portion of the heat collection heat preservation box, a heat collection panel is arranged in the heat collection heat preservation box, a heat collection blue film opposite to the glass cover plate is arranged on the upper surface of the heat collection panel, and a heat collection air duct penetrating through the heat collection heat preservation box is arranged on the lower surface of the heat collection panel. The heat collector comprises an air inlet header pipe and an air outlet header pipe and further comprises the solar heat collection module, the air inlet header pipe is communicated with the air inlet of the heat collection air duct, and the air outlet header pipe is communicated with the air outlet of the heat collection air duct. The solar heat collector has the beneficial effects that standardized module design of the heat collector is achieved, a traditional large-size heat collector is divided into a plurality of small heat collection modules, fault modules can be independently replaced, the availability rate of the system is greatly improved, meanwhile, capacity expansion according to needs is supported, and the solar heat collector adapts to dynamic changes of building energy needs.

Description

Technical Field

[0001] This application belongs to the field of solar thermal technology, specifically relating to a solar thermal module and collector. Background Technology

[0002] Solar thermal energy collection technology, as an important branch of renewable energy utilization, converts solar radiation energy into heat energy and is widely used in residential hot water supply, industrial process heating, building heating and cooling, and other fields. Its core device, the solar thermal collector, can be divided into main types according to the photothermal conversion principle, such as flat plate type, vacuum tube type, and concentrating type.

[0003] Flat-plate solar collectors mainly consist of an absorber plate, a transparent cover, an insulation layer, and an outer shell, exhibiting a simple structure and low cost. With the gradual development of flat-plate solar collectors, their modular design concept has become a research hotspot. The core of this concept lies in standardizing the collector unit into independent functional modules, allowing for flexible combinations to meet diverse needs and providing advantages in production, installation, and operation / maintenance. Therefore, modular flat-plate solar collectors urgently need to be developed. Utility Model Content

[0004] The purpose of this application is to provide a solar thermal collector module and collector that solves the problem that existing flat-plate collectors cannot achieve miniaturization and modularization.

[0005] The objective of this application is achieved through the following technical solution:

[0006] A solar thermal collector module includes a thermal collector box, a glass cover on the upper part of the thermal collector box, a thermal collector panel inside the thermal collector box, a thermal collector blue film on the upper surface of the thermal collector panel opposite to the glass cover, and a thermal collector air duct running through the front and back of the thermal collector box on the lower surface of the thermal collector panel.

[0007] Furthermore, the heat collection and insulation box has a cuboid outline with a U-shaped cross-section.

[0008] Furthermore, the heat collection and insulation box is made of PVC insulation material.

[0009] Furthermore, the heat collection panel is a flat plate structure.

[0010] Furthermore, the upper surface of the heat collection panel is provided with arc-shaped protrusions.

[0011] Furthermore, the lower surface of the heat collection panel is provided with a back rib structure.

[0012] Furthermore, the heat collection panel is made of aluminum alloy.

[0013] Furthermore, the heat collection and insulation box has insertion ports at the front and back.

[0014] A solar collector includes an air inlet main pipe and an air outlet main pipe, and also includes the aforementioned solar collector module. The air inlet main pipe is connected to the air inlet of the collector air duct, and the air outlet main pipe is connected to the air outlet of the collector air duct.

[0015] Furthermore, both the main air inlet pipe and the main air outlet pipe are equipped with plugs, which are fitted into the sockets of the heat collection and insulation box.

[0016] The beneficial effects of this application are:

[0017] (1) Achieving standardized modular design of solar collectors, dividing traditional large-volume solar collectors into several small solar collector modules, allowing faulty modules to be replaced individually, greatly improving system availability, and supporting on-demand capacity expansion to adapt to dynamic changes in building energy demand.

[0018] (2) Standardized module design facilitates mass production, reduces marginal costs, and improves consistency, which facilitates quality control.

[0019] (3) The module and the main pipe adopt a plug-in flow channel and quick connector, which supports immediate use and helps to shorten the engineering cycle.

[0020] The aforementioned main solution and its various further alternatives can be freely combined to form multiple solutions, all of which are solutions that can be adopted and are claimed in this application; furthermore, the (non-conflicting alternatives) can also be freely combined with each other and with other alternatives. Those skilled in the art, after understanding this solution, will realize from the prior art and common general knowledge that there are many combinations, all of which are technical solutions to be protected in this application, and will not be exhaustively listed here. Attached Figure Description

[0021] Figure 1 This is a cross-sectional view of the heat collection module structure in this application.

[0022] Figure 2 This is the main view of the solar collector structure in this application.

[0023] Figure 3 This is a top view of the solar collector structure in this application.

[0024] In the diagram: 1-Heat collection and insulation box, 2-Glass cover, 3-Heat collection panel, 4-Heat collection blue film, 5-Heat collection air duct, 6-Inlet main pipe, 7-Outlet main pipe, 8-Plug. Detailed Implementation

[0025] The present application will be further described below with reference to specific embodiments and accompanying drawings.

[0026] Example 1

[0027] refer to Figures 1-3As shown, a solar thermal collector module includes a thermal insulation box 1, a glass cover 2, a thermal collector panel 3, a thermal collector blue film 4, a thermal collector air duct 5, and an interface.

[0028] The heat collection and insulation box 1 is used for heat preservation, reducing the outward loss of absorbed heat. A glass cover 2 is provided on the upper part of the heat collection and insulation box 1, allowing sunlight to penetrate into the box. Excluding the air inlets and outlets at the front and rear of the heat collection and insulation box 1, the box and insulation box 1 form a relatively enclosed structure with the glass cover 2. A heat collection panel 3 is provided inside the heat collection and insulation box 1, serving as the base for the coated heat collection film and enabling downward heat transfer.

[0029] The upper surface of the heat collection panel 3 is provided with a heat collection blue film 4 opposite to the glass cover plate 2. The heat collection blue film is a solar selective absorption vacuum coating. It is deposited on the metal substrate using physical vapor deposition technology and vacuum magnetron sputtering method. It belongs to the new generation of solar energy utilization technology. It has an extremely high absorption rate of solar radiation energy and its own emissivity is very low, which can effectively improve the solar thermal conversion efficiency. The heat absorbed by the blue film is directly transferred to the heat collection panel 3.

[0030] The lower surface of the heat collection panel 3 is provided with a heat collection air duct 5 that runs through the front and back of the heat collection and insulation box 1. Cold air enters from one end, flows through the lower surface of the heat collection panel 3 and absorbs heat, and finally hot air is discharged from the other end.

[0031] The heat collection and insulation box 1 has a U-shaped rectangular outline, a standard and standardized shape, and is easy to process and manufacture, facilitating installation and maintenance. The glass cover 2 is a corresponding rectangular plate structure, which is fixed to the upper opening of the U-shape. The glass cover 2 can be glued to the box body with sealant or pressed onto the box body using a pressing structure. The heat collection and insulation box 1 is preferably made of PVC insulation material, which has properties such as heat insulation, moisture retention, anti-condensation, and anti-aging.

[0032] A single heat-collecting panel 3 is arranged inside the heat-collecting and insulation box 1. The heat-collecting panel 3 is placed at the steps on both sides of the U-shape, so that the heat-collecting panel 3 is placed inside the heat-collecting and insulation box 1. The heat-collecting panel 3 is located at the opening of the U-shape, directly facing the glass to absorb heat, while an air duct is formed below. The heat-collecting panel 3 is limited by the glass cover 2 above, and it can also be additionally glued or pressed and fixed by pressure components.

[0033] The heat collection panel 3 has a flat structure, which facilitates processing and manufacturing, and also facilitates the coating of the heat collection blue film to form a large heat absorption surface. An arc-shaped protrusion can also be provided on the upper surface of the heat collection panel 3 to increase the heat absorption area of ​​the heat collection blue film. Alternatively, a back-ribbed structure can be provided on the lower surface of the heat collection panel 3 to improve its structural strength and increase the heat transfer area.

[0034] The heat collection panel 3 is made of aluminum alloy, which has good thermal conductivity and structural strength.

[0035] The front and rear of the heat collection and insulation box 1 form insertion ports, enabling quick-connection between the modular insulation box and the main pipe, allowing for immediate use and improving installation efficiency.

[0036] Example 2

[0037] refer to Figures 1-3 As shown, a solar collector includes an air inlet manifold 6, an air outlet manifold 7, and a plug 8, and also includes the solar collector module of Embodiment 1.

[0038] The main air inlet duct 6 and the main air outlet duct 7 are used for transporting cold and hot air, respectively, and they need to be insulated to reduce heat loss. The main air inlet duct 6 is connected to the air inlets of several heat-collecting air ducts 5, and the main air outlet duct 7 is connected to the air outlets of several heat-collecting air ducts 5. Cold air enters the main air inlet duct 6, then flows into several heat-collecting insulation boxes 1. After absorbing heat in the heat-collecting air ducts 5, it re-converges into the main air outlet duct 7.

[0039] The number of heat collection and insulation boxes 1 arranged between the air inlet main duct 6 and the air outlet main duct 7 can be flexibly adjusted, supporting capacity expansion or reduction as needed to adapt to dynamic changes in energy demand. Correspondingly, the length of the main duct can also be extended or shortened section by section.

[0040] Both the main air inlet duct 6 and the main air outlet duct 7 are equipped with several plugs 8, which fit into the sockets of the heat collection and insulation box 1. By directly fitting the sockets at both ends of the heat collection and insulation box 1 onto the plugs 8, quick installation between the main duct and the box body can be achieved, ensuring the continuity of the air ducts. Alternatively, a sealing ring can be installed between the plug 8 and the socket for sealing, and then fixed with bolts or direct welding.

[0041] The foregoing basic examples and their further alternative examples can be freely combined to form multiple embodiments, all of which are embodiments that can be adopted and claimed in this application. In the scheme of this application, each alternative example can be arbitrarily combined with any other basic example and alternative example.

[0042] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A solar thermal module comprising a thermal collector and insulation tank (1), characterized in that: The upper part of the heat collecting and heat preserving box (1) is provided with a glass cover plate (2), the heat collecting and heat preserving box (1) is internally provided with a heat collecting panel (3), the upper surface of the heat collecting panel (3) is provided with a heat collecting blue film (4) opposite to the glass cover plate (2), and the lower surface of the heat collecting panel (3) is provided with a heat collecting air duct (5) penetrating through the front and back of the heat collecting and heat preserving box (1).

2. The solar thermal module of claim 1, wherein: The heat collecting and heat preserving box (1) is a cuboid with a U-shaped section.

3. The solar thermal module of claim 1 or 2, wherein: The heat collecting and heat preserving box (1) is made of PVC heat preserving material.

4. The solar thermal module of claim 1, wherein: The heat collecting panel (3) is a flat plate structure.

5. The solar thermal module of claim 1, wherein: The upper surface of the heat collecting panel (3) is provided with an arc-shaped protrusion.

6. The solar thermal module of claim 1, 4 or 5, wherein: The lower surface of the heat collecting panel (3) is provided with a back structure.

7. The solar thermal module of claim 1, wherein: The heat collecting panel (3) is made of aluminum alloy material.

8. The solar thermal module of claim 1, wherein: The front and back of the heat collecting and heat preserving box (1) form a socket.

9. A solar collector comprising an inlet duct (6) and an outlet duct (7), characterised in that: The application further comprises a plurality of solar heat collecting modules as claimed in any one of claims 1-8, an air inlet main pipe (6) is in communication with the air inlet of the heat collecting air duct (5), and an air outlet main pipe (7) is in communication with the air outlet of the heat collecting air duct (5).

10. The solar collector of claim 9, wherein: The air inlet main pipe (6) and the air outlet main pipe (7) are both provided with a plug (8) which is sleeved with the socket of the heat collecting and heat preserving box (1).

Images