Curved solar thermal collector

Abstract

The utility model provides a curving type solar thermal collector which comprises a thermal collector body, the thermal collector body comprises a glass tube, a fixing seat is movably installed on the glass tube, a fixing plate is fixed on the fixing seat, and a fixing hole is formed in the fixing plate. According to the curving type solar heat collector, the convex rings are fixed to the curving type heat collecting pipes, the heat absorption area of the curving type heat collecting pipes is increased through the convex rings, heat on the curving type heat collecting pipes can make contact with water rapidly, the contact area of the convex rings and the water is increased, and rapid heat transfer is achieved; the curved heat collecting tube is formed by electroplating a metal material which is high in visible light absorptivity, low in reflectivity, high in heat conduction efficiency and resistant to high temperature, reflecting films are attached to the bottom and the two sides of the glass tube to form a semi-arc collecting lens, and light rays are reflected in the glass tube for multiple times through the angle and curvature of a reflecting face and a refracting face of the collecting lens. The path length of light heat absorption is increased, and the heat conversion efficiency of light is improved.

Description

Technical Field

[0001] The utility model relates to the field of solar thermal collector equipment, in particular to a curved solar thermal collector. Background Art

[0002] Solar collectors convert the sun's radiation energy into heat energy. Since solar energy is relatively dispersed, we must try to concentrate it. Therefore, solar collectors are a key part of various solar energy devices. Solar collectors are devices used to absorb solar radiation, convert it into heat energy and transfer it to a heat medium.

[0003] According to a solar collector disclosed in a patent document with an existing publication number of CN103574921A, it includes a focusing lens and a vacuum heat collecting tube, wherein the upper surface of the vacuum heat collecting tube is plated with a selective absorption coating, and the lower surface is plated with a high reflectivity coating, the selective absorption coating is composed of a semiconductor absorption-metal reflection series, a metal-dielectric composite material, a dielectric-metal interference stack, an intrinsic selective absorption surface or a micro-rough surface, and the selective absorption coating includes a metal reflection layer and a semiconductor absorption layer formed on the metal reflection layer. When the technical solution is used, a Fresnel lens is selected as The focusing lens focuses the solar spectrum, which can focus the sunlight about twice as much and inject it into the vacuum collector tube, thereby increasing the incidence rate of sunlight; the selective absorption coating plated on the vacuum collector tube is used to absorb visible light from the sun, reduce infrared radiation, increase the absorption efficiency of sunlight, and reduce radiation efficiency, thereby increasing the working temperature of the solar collector. Regarding the above technical solution, although this solution reduces infrared radiation and improves the absorption efficiency, when in use, the focusing mechanism is exposed for a long time, and the accumulation of dust affects the subsequent focusing reflection, and it is not easy to clean during use, which is inconvenient during use. Utility Model Content

[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide a curved solar collector to solve the problems raised in the above-mentioned background technology. The utility model has a novel structure. When in use, the fixed seat and the movable seat are used to limit and fix the glass tube. In addition, the movable seat and the fixed seat are connected and fixed by a positioning column. Later, the movable seat is driven to move on the glass tube by the positioning column. The movement of the movable seat completes the cleaning of the glass tube, and the position of the movable seat can be adjusted according to the length of the glass tube. The movable seat provides secondary limiting support for the glass tube, and the limiting support also provides anti-collision protection for the glass tube.

[0005] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a curved solar collector, including a collector body, the collector body including a glass tube, a fixing seat movably mounted on the glass tube, a fixing plate fixed on the fixing seat, a fixing hole opened on the fixing plate, a movable seat movably mounted on one side of the fixing seat, a sealing seat fixed at one end of the glass tube, and a fixing tube fixedly mounted on the sealing seat.

[0006] Furthermore, an arc groove is formed at one end of the fixed seat, an arc block is fixed at one end of the movable seat, and one end of the arc block is movably mounted inside the arc groove.

[0007] Furthermore, both the fixing seat and the arc-shaped block are provided with openings, and positioning columns are movably installed inside the openings.

[0008] Furthermore, a movable ring is fixed to one end of the positioning column, a cleaning cotton is fixed on the inner wall of the movable ring, and the movable ring cooperates with the glass tube.

[0009] Furthermore, the glass tube is a vacuum tube, one end of the fixed tube has a bent section, and the fixed tube is a straight-through structure.

[0010] Furthermore, a U-shaped tube is fixed to one end of the meandering heat collecting tube, a convex ring is fixedly installed on the meandering heat collecting tube, and the U-shaped tube, the meandering heat collecting tube and the curved section form an integrated heat collecting tube.

[0011] Furthermore, a condenser is fixedly installed at the bottom of the inner wall of the glass tube, and the condenser is an arc-shaped plate. The condenser is distributed at the bottom and both sides of the curved heat collecting tube.

[0012] Furthermore, the fixed tube, curved section, meandering heat collecting tube and U-shaped tube are all made of metal, and the surfaces of the fixed tube, curved section, meandering heat collecting tube and U-shaped tube are electroplated with metal materials with low reflectivity, high thermal conductivity and high temperature resistance.

[0013] Furthermore, sealing rings are fixed on the inner walls of the movable seat and the fixed seat, and the sealing rings are in contact with the glass tube.

[0014] Furthermore, the interior of the glass tube is a vacuum chamber, and the meandering heat collecting tube and the U-shaped tube are both fixedly installed inside the vacuum chamber.

[0015] Beneficial effects of the utility model: The curved solar collector of the utility model comprises a glass tube; a fixed tube; a fixed seat; a fixed plate; a fixed hole; a movable seat; a positioning column; a movable ring; a curved section; a curved heat collecting tube; a convex ring; a U-shaped tube; an arc groove; a sealing ring; an opening; a concentrator; and a sealing seat.

[0016] 1. The curved solar collector, when in use, has a fixed seat and a movable seat to limit and fix the glass tube. In addition, the movable seat and the fixed seat are connected and fixed by a positioning column. Later, the movable seat is driven to move on the glass tube by the positioning column. The movement of the movable seat completes the cleaning of the glass tube, and the position of the movable seat can be adjusted according to the length of the glass tube. The movable seat provides secondary limit support for the glass tube, and the limit support also provides anti-collision protection for the glass tube.

[0017] 2. The curved solar collector has a convex ring fixed on the curved heat collecting tube. The convex ring increases the heat absorption area of ​​the curved heat collecting tube, which is convenient for the heat on the curved heat collecting tube to quickly contact with water. The convex ring increases the contact area with water to achieve rapid transfer of heat energy. The curved heat collecting tube is electroplated with a metal material with high visible light absorption rate, low reflectivity, high thermal conductivity and high temperature resistance. A reflective film is attached to the bottom and both sides of the glass tube to form a semicircular concentrator. The angle and curvature of the reflective surface and the refractive surface of the concentrator make the light reflect multiple times inside the glass tube, thereby increasing the path length of light heat absorption and improving the light thermal conversion efficiency.

[0018] 3. The curved solar collector, the curved heat collecting tube is connected to the fixed tube through a curved section, the curved section is fixed at one end of the glass tube, the curved section can prevent the glass tube from bursting due to thermal expansion of the material, the upper and lower misalignment of the fixed tube can simultaneously realize the connection of the water inlet pipe and the water outlet pipe, the curved heat collecting tube is distributed in parallel on the top of the concentrator to achieve the maximum degree of coordination with the light, the concentrator is distributed on the inner wall of the glass tube, thereby avoiding the influence of external dust entering the concentrator. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of the curved solar collector of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a meandering heat collecting tube of a meandering solar collector of the utility model;

[0021] Figure 3 It is a structural schematic diagram of a fixing base of a curved solar collector of the utility model;

[0022] Figure 4 This is a front view structural diagram of the glass tube of the curved solar collector of the utility model;

[0023] Figure 5 It is a schematic diagram of the side view structure of the glass tube of the curved solar collector of the utility model;

[0024] Figure 6 This is a schematic diagram of the cross-sectional structure of one end of the glass tube of the curved solar collector of the utility model;

[0025] In the figure: 1. glass tube; 2. fixed tube; 3. fixed seat; 4. fixed plate; 5. fixed hole; 6. movable seat; 7. positioning column; 8. movable ring; 9. bending section; 10. curved collector tube; 11. convex ring; 12. U-shaped tube; 13. arc groove; 14. sealing ring; 15. opening; 16. condenser; 17. sealing seat. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] See also Figures 1 to 6 The utility model provides a technical solution: a curved solar collector, including a collector body, the collector body including a glass tube 1, a fixing seat 3 is movably installed on the glass tube 1, a fixing plate 4 is fixed on the fixing seat 3, a fixing hole 5 is opened on the fixing plate 4, a movable seat 6 is movably installed on one side of the fixing seat 3, a sealing seat 17 is fixed at one end of the glass tube 1, a fixing tube 2 is fixedly installed on the sealing seat 17, and the sealing seat 17 provides sealing for the glass tube 1, so that the interior of the glass tube 1 is in a vacuum state.

[0028] In this embodiment, an arc groove 13 is formed at one end of the fixed seat 3, an arc block is fixed at one end of the movable seat 6, one end of the arc block is movably installed inside the arc groove 13, an opening 15 is formed on both the fixed seat 3 and the arc block, a positioning column 7 is movably installed inside the opening 15, a movable ring 8 is fixed at one end of the positioning column 7, a cleaning cotton is fixed on the inner wall of the movable ring 8, the movable ring 8 cooperates with the glass tube 1, the positioning column 7 limits the arc block inside the arc groove 13, so as to realize the rapid connection between the movable seat 6 and the fixed seat 3, and later on, the positioning column 7 loses the limit on the arc block, the movable seat 6 is quickly separated from the fixed seat 3, and the glass tube 1 is disassembled and used after the separation.

[0029] In this embodiment, the glass tube 1 is a vacuum tube, one end of the fixed tube 2 has a curved section 9, the fixed tube 2 is a straight-through structure, one end of the curved heat collecting tube 10 is fixed with a U-shaped tube 12, the curved heat collecting tube 10 is fixedly mounted with a convex ring 11, the U-shaped tube 12, the curved heat collecting tube 10 and the curved section 9 are an integrated heat collecting tube, a condenser 16 is fixedly mounted on the bottom of the inner wall of the glass tube 1, the condenser 16 is an arc-shaped plate, the condenser 16 is distributed at the bottom and both sides of the curved heat collecting tube 10, the curved heat collecting tube 10 is distributed in parallel at the top of the condenser 16, to achieve the maximum degree of coordination with the light, the condenser 16 is distributed on the inner wall of the glass tube 1, thereby avoiding the influence of external dust entering the condenser 16.

[0030] In this embodiment, the fixed tube 2, the curved section 9, the curved heat collecting tube 10 and the U-shaped tube 12 are all made of metal. The surfaces of the fixed tube 2, the curved section 9, the curved heat collecting tube 10 and the U-shaped tube 12 are electroplated with metal materials with low reflectivity, high thermal conductivity and high temperature resistance. A sealing ring 14 is fixed on the inner wall of the movable seat 6 and the fixed seat 3. The sealing ring 14 is in contact with the glass tube 1. The interior of the glass tube 1 is a vacuum chamber. The curved heat collecting tube 10 and the U-shaped tube 12 are fixedly installed inside the empty chamber, focusing light in a vacuum environment, with high heat collection efficiency, no need for other heat conduction media, direct water heat conduction, environmental protection and pollution-free.

[0031] When the device is in use, first fix the fixing seat 3 through the fixing hole 5 on the fixing plate 4 at the use position, and after the fixing seat 3 is fixed, the glass tube 1 is installed on the fixing seat 3, and the glass tube 1 contacts the fixing seat 3 through the sealing ring 14 to achieve buffer protection. After the glass tube 1 is installed, the movable seat 6 is installed from the bottom of the fixing seat 3, and the arc blocks at both ends of the movable seat 6 are installed inside the arc groove 13. After the arc block is installed, the positioning column 7 is installed from one end of the movable seat 6 inside the opening 15. When the positioning column 7 is installed on the fixing seat 3, the arc block is limited and fixed at the same time, and the limit fixation of the arc block is movable. The seat 6 provides a downward pulling force, and the movable seat 6 moves downward to squeeze the glass tube 1. Under the squeezing of the movable seat 6, the sealing ring 14 is deformed, and the deformation increases the contact area with the glass tube 1. When in use, the movable ring 8 is moved by the positioning column 7. The movement of the movable ring 8 can realize the secondary support and positioning of the glass tube 1 according to the length of the glass tube 1. When the movable ring 8 needs to be used, the movable ring 8 is moved to one end of the glass tube 1. After the movable ring 8 moves, it will not block the top of the glass tube 1, so as to facilitate the later focusing use. In addition, the positioning column 7 drives the movable ring 8 to move on the glass tube 1, and the movable ring 8 The cleaning cotton on the inner wall can clean the surface of the glass tube 1. When in use, the condenser 16 realizes the reflection of sunlight. The convex ring 11 is fixed on the curved heat collecting tube 10. The convex ring 11 increases the heat absorption area of ​​the curved heat collecting tube 10, which is convenient for the heat on the curved heat collecting tube 10 to quickly contact with water. The convex ring 11 increases the contact area with water to realize the rapid transfer of heat energy. The curved heat collecting tube 10, the U-shaped tube 12, the curved section 9 and the fixed tube 2 are electroplated and formed by metal materials with high visible light absorption rate, low reflectivity, high thermal conductivity and high temperature resistance. The angle and curvature of the reflective surface and the refractive surface of the condenser make the light Multiple reflections are performed inside the glass tube 1 to increase the path length of light heat absorption and improve the heat conversion efficiency of light. The meandering heat collecting tube 10 is connected to the fixed tube 2 through the bending section 9. The bending section 9 is fixed at one end of the glass tube 1. The bending section 9 can prevent the glass tube 1 from bursting due to thermal expansion of the material. The water inlet pipe and the water outlet pipe can be connected at the same time by the upper and lower misalignment of the fixed tube 2. The meandering heat collecting tube 10 is distributed in parallel on the top of the condenser 16 to achieve the maximum coordination with the light. The condenser 16 is distributed on the inner wall of the glass tube 1, thereby avoiding the influence of external dust entering the condenser 16.

[0032] The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is defined by the attached claims rather than the above description, and it is intended to include all changes within the meaning and scope of the equivalent elements of the claims. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0033] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A curved solar collector, comprising a collector body, characterized in that: The collector body comprises a glass tube (1) and a meandering heat collecting tube (10); a fixing seat (3) is movably mounted on the glass tube (1); a fixing plate (4) is fixed on the fixing seat (3); a fixing hole (5) is provided on the fixing plate (4); a movable seat (6) is movably mounted on one side of the fixing seat (3); a sealing seat (17) is fixed on one end of the glass tube (1); and a fixing tube (2) is fixedly mounted on the sealing seat (17).

2. The curved solar collector according to claim 1, characterized in that: An arc-shaped groove (13) is formed at one end of the fixed seat (3), an arc-shaped block is fixed at one end of the movable seat (6), and one end of the arc-shaped block is movably mounted inside the arc-shaped groove (13).

3. The curved solar collector according to claim 2, characterized in that: The fixing seat (3) and the arc-shaped block are both provided with openings (15), and a positioning column (7) is movably installed inside the openings (15).

4. The curved solar collector according to claim 3, characterized in that: A movable ring (8) is fixed to one end of the positioning column (7), a cleaning cotton is fixed on the inner wall of the movable ring (8), and the movable ring (8) is matched with the glass tube (1).

5. The curved solar collector according to claim 1, characterized in that: The glass tube (1) is a vacuum tube, one end of the fixed tube (2) has a bent section (9), and the fixed tube (2) is a straight-through structure.

6. The curved solar collector according to claim 5, characterized in that: A U-shaped tube (12) is fixed at one end of the meandering heat collecting tube (10), a convex ring (11) is fixedly mounted on the meandering heat collecting tube (10), and the U-shaped tube (12), the meandering heat collecting tube (10) and the curved section (9) form an integrated heat collecting tube.

7. The curved solar collector according to claim 1, characterized in that: A condenser (16) is fixedly mounted on the bottom of the inner wall of the glass tube (1); the condenser (16) is an arc-shaped plate; the condenser (16) is distributed at the bottom and both sides of the meandering heat collecting tube (10).

8. The curved solar collector according to claim 6, characterized in that: The fixed tube (2), the curved section (9), the meandering heat collecting tube (10) and the U-shaped tube (12) are all made of metal, and the surfaces of the fixed tube (2), the curved section (9), the meandering heat collecting tube (10) and the U-shaped tube (12) are all electroplated with a metal material having low reflectivity, high thermal conductivity and high temperature resistance.

9. The curved solar collector according to claim 1, characterized in that: Sealing rings (14) are fixed on the inner walls of the movable seat (6) and the fixed seat (3), and the sealing rings (14) are in contact with the glass tube (1).

10. The curved solar collector according to claim 5, characterized in that: The interior of the glass tube (1) is a vacuum chamber, and the meandering heat collecting tube (10) and the U-shaped tube (12) are both fixedly installed inside the vacuum chamber.

Images