Solar heat collector

Abstract

The utility model discloses a solar heat collector which comprises an installation frame, a plurality of shells are arranged on the upper side of the installation frame, reflecting films are arranged on the inner walls of the shells, heat collecting pipes are arranged in the shells in a penetrating mode, and the heat collecting pipes are communicated through connecting pipes to form a unified channel. A heat collection sheet is arranged in the heat collection tube, the heat collection tube is made of a light-transmitting material, the heat collection sheet is provided with a plurality of light-facing surfaces with different angles, and the surface of the heat collection sheet is covered with black nanoscale rare earth oxide. The solar water heater has the beneficial effects that the glass plate and the shell are matched to form the sealed cavity, so that the heating efficiency after the interior of the shell is irradiated by sunshine can be improved, the sunshine heating efficiency of the heat collecting pipe is improved, the sunshine is reflected to the heat collecting piece through the reflecting film, the temperature of the heat collecting piece is increased, and the heat collecting piece can be heated through the black nanoscale rare earth oxide. The heat transfer efficiency of the heat collecting piece can be improved, and finally the heat efficiency is remarkably improved.

Description

Technical Field

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

[0002] Solar thermal energy, as a green energy source, is very suitable for residential use and can solve the problem of hot water use for most residents.

[0003] The existing solar thermal collector is mainly composed of a number of horizontally arranged heat collecting tubes, which absorb heat and transfer it to the water inside the heat collecting tubes. Since the traditional heat collecting tubes have a single heat collecting method, it takes a long time to collect water to a high temperature.

[0004] In addition, for different regions, the angle between sunlight and the ground varies due to different latitudes. The bases of existing solar collectors are mostly fixed frames, and the angle of the light-facing surface of the solar collector cannot be quickly adjusted. Utility Model Content

[0005] The purpose of the present invention is to provide a solar thermal collector in order to solve the above problems, as described below.

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

[0007] The utility model provides a solar thermal collector, comprising a mounting frame, a plurality of shells are arranged on the upper side of the mounting frame, a reflective film is arranged on the inner wall of the shell, a heat collecting tube is arranged through the shell, and the plurality of heat collecting tubes are connected by connecting tubes to form a unified passage; a heat collecting sheet is arranged in the heat collecting tube, and the heat collecting tube is made of light-transmitting material, the heat collecting sheet has a plurality of light-facing surfaces at different angles, the surface of the heat collecting sheet is covered with black nano-scale rare earth oxide, which can quickly store and dissipate heat; the upper side of the shell is sealed by a glass plate, and the plurality of glass plates constitute a complete plane; an angle adjustment seat for adjusting the angle of the mounting frame is arranged at the bottom of the mounting frame, and a cleaning component for cleaning the surface of the glass plate is arranged on the angle adjustment seat.

[0008] Using the above-mentioned solar thermal collector, the angle of the mounting frame is adjusted through the angle adjustment seat according to the latitude of the use area, so as to ensure that the shell faces the sunlight and maximize the heat collection;

[0009] Sunlight enters the shell through the glass plate and heats the heat collecting tube, thereby heating the water. The sunlight is reflected to the heat collecting sheet through the reflective film, raising the temperature of the heat collecting sheet, and then the temperature is transferred to the water in the heat collecting tube through the heat collecting sheet.

[0010] The cleaning component can quickly clean the surface of the glass plate to ensure the light transmittance of the glass plate.

[0011] Preferably, the angle adjustment seat includes a base and a threaded barrel, a stud is connected to the inner thread of the threaded barrel, a fixing plate is rotatably provided at the end of the threaded barrel, the fixing plate and the ends of the stud away from the fixing plate are respectively hinged to the base and the mounting frame, and a turntable is provided on the surface of the threaded barrel.

[0012] Preferably, the cleaning assembly includes a water tank and two guide rails, the water tank is arranged on the base through a support frame, the two guide rails are symmetrically arranged on the mounting frame, a brush plate is slidably arranged between the two guide rails, and the brush plate is in contact with the glass plate, a nozzle is arranged on the brush plate, and the length of the nozzle covers all the glass plates, and a plurality of water spray holes are opened on the nozzle, the water tank is connected to the nozzle through a hose, and a valve is arranged on the nozzle.

[0013] Preferably, a handle is provided on the nozzle along the length direction of the guide rail.

[0014] Preferably, the water tank is located higher than the nozzle.

[0015] Preferably, the shell is made of polyurethane thermal insulation material.

[0016] Preferably, the end of the heat collecting plate is in the shape of a five-pointed star.

[0017] Preferably, the inner wall of the shell is arc-shaped.

[0018] The beneficial effects are:

[0019] 1. A sealed cavity is formed by the glass plate and the shell, so that the heating efficiency of the shell after being exposed to sunlight can be improved, and the efficiency of the heat collecting tube being heated by the sun can be improved. The sunlight is reflected to the heat collecting sheet through the reflective film, and the temperature of the heat collecting sheet is increased. The temperature is then transferred to the water in the heat collecting tube through the heat collecting sheet, and the heat collection efficiency of the device is further improved. By applying black nano-rare earth oxides, the heat transfer efficiency of the heat collecting sheet can be improved, and finally the thermal efficiency can be significantly improved;

[0020] 2. The angle of the mounting frame can be adjusted through the angle adjustment seat to ensure that the shell faces the sun and maximizes the heat collection. The adjustment process is simple and easy to operate;

[0021] 3. The cleaning component can quickly clean the surface of the glass plate to ensure the light transmittance of the glass plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 This is a front view structural diagram of the utility model;

[0024] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0025] Figure 3 It is a schematic diagram of the three-dimensional structure of the shell of the utility model;

[0026] Figure 4 This is a schematic diagram of the three-dimensional structure of the heat collecting tube of the utility model;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the heat collecting sheet of the utility model.

[0028] The following are the descriptions of the reference numerals:

[0029] 1. Mounting frame; 2. Shell; 3. Angle adjustment seat; 4. Cleaning assembly; 5. Base; 6. Fixing plate; 7. Threaded barrel; 8. Turntable; 9. Stud; 10. Connecting pipe; 11. Glass plate; 12. Guide rail; 13. Brush plate; 14. Nozzle; 15. Hose; 16. Valve; 17. Support frame; 18. Water tank; 19. Handle; 20. Reflective film; 21. Collecting tube; 22. Collecting sheet. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0031] See also Figure 1-Figure 5 As shown, the utility model provides a solar thermal collector, including a mounting frame 1, a plurality of shells 2 are arranged on the upper side of the mounting frame 1, a reflective film 20 is arranged on the inner wall of the shell 2, a heat collecting tube 21 is arranged through the shell 2, and the plurality of heat collecting tubes 21 are connected through a connecting tube 10 to form a unified passage;

[0032] A heat collecting sheet 22 is arranged in the heat collecting tube 21, and the heat collecting tube 21 is made of a light-transmitting material. The heat collecting sheet 22 has a plurality of light-facing surfaces at different angles. The surface of the heat collecting sheet 22 is covered with black nano-scale rare earth oxides, which can quickly store and dissipate heat.

[0033] Radiative heat dissipation paint, fast heat transfer and heat conduction, rapid increase of heat exchange and improve thermal efficiency;

[0034] 1. Apply it on high-temperature objects to speed up the radiation of heat to the space where the object is located and reduce the temperature of the object;

[0035] 2. When the ambient temperature is high, apply it on the surface of the object to speed up the heat transfer from the ambient heat to the object and increase the heat absorption rate of the object;

[0036] 3. When heat exchange is frequent, objects need to quickly absorb and dissipate heat;

[0037] ZS-411 radiation heat dissipation and cooling paint is a paint that radiates heat from objects in the form of infrared rays or accelerates heat conduction. It has a temperature resistance range of -50 to 600°C. The paint is directly applied to the surface of the object to be cooled or accelerated. The coating automatically radiates heat to the atmosphere or the inner space of the object with an emissivity of about 0.92ε and an infrared wavelength band of 0.5-13.5μm, accelerating heat exchange, reducing the surface and internal temperature of the object, or accelerating the conduction of external heat to the interior of the object, thereby increasing the heat exchange rate.

[0038] The coating improves heat exchange in the form of infrared radiation. The heat dissipation is not affected by the surrounding medium. The coating heat dissipation can be used in a vacuum environment. While improving the heat exchange, it also has good self-cleaning, insulation, corrosion resistance, waterproofness, acid and alkali resistance, and convenient construction.

[0039] Where heat exchange needs to be strengthened, it can be applied on vacuum furnaces, vacuum radiators, vacuum pipes, vacuum dryers, heat exchangers, objects and equipment with small conduction areas and small convection space to speed up heat exchange.

[0040] The upper side of the housing 2 is sealed by a glass plate 11 , and a plurality of glass plates 11 form a complete plane.

[0041] An angle adjustment seat 3 for adjusting the angle of the mounting frame 1 is disposed at the bottom of the mounting frame 1 , and a cleaning component 4 for cleaning the surface of the glass plate 11 is disposed on the angle adjustment seat 3 .

[0042] As an optional embodiment, the angle adjustment seat 3 includes a base 5 and a threaded barrel 7, the threaded barrel 7 is internally threaded with a stud 9, a fixed plate 6 is rotatably provided at the end of the threaded barrel 7, the fixed plate 6 and the ends of the stud 9 away from the fixed plate 6 are respectively hinged to the base 5 and the mounting frame 1, and a rotating disk 8 is provided on the surface of the threaded barrel 7;

[0043] Since the angles between sunlight and the ground are different in different latitudes, the heat collection efficiency can be improved by adjusting the angle of the mounting frame 1 so that the shell 2 faces the sunlight.

[0044] The threaded barrel 7 is rotated to drive the stud 9. The stud 9 is extended to increase the angle between the mounting frame 1 and the base 5. The stud 9 is retracted to reduce the angle between the mounting frame 1 and the base 5.

[0045] The cleaning assembly 4 includes a water tank 18 and two guide rails 12. The water tank 18 is arranged on the base 5 through a support frame 17. The two guide rails 12 are symmetrically arranged on the mounting frame 1. A brush plate 13 is slidably arranged between the two guide rails 12, and the brush plate 13 is in contact with the glass plate 11. A nozzle 14 is arranged on the brush plate 13, and the length of the nozzle 14 covers all the glass plates 11. A plurality of water spray holes are opened on the nozzle 14. The water tank 18 is connected to the nozzle 14 through a hose 15, and a valve 16 is arranged on the nozzle 14.

[0046] When the valve 16 is opened, the water in the water tank 18 will enter the spray pipe 14 through the hose 15 under the action of gravity, and the water can be evenly sprinkled on the glass plate 11 through the spray pipe 14. A handle 19 is provided on the spray pipe 14 along the length direction of the guide rail 12. The spray pipe 14 is moved by the handle 19 to spray water on all the glass plates 11. At the same time, the surface of the glass plate 11 is cleaned by the brush plate 13, so that the glass plate 11 can be quickly cleaned.

[0047] The position of the water tank 18 is higher than the nozzle 14, ensuring that the water can flow naturally without external force.

[0048] The material of the shell 2 is polyurethane thermal insulation material.

[0049] The end of the heat collecting plate 22 is in the shape of a five-pointed star, and such a configuration can increase the heat collecting area of ​​the heat collecting plate 22 .

[0050] The inner wall of the housing 2 is arc-shaped, which can better reflect light onto the heat collecting sheet 22 .

[0051] With the above structure, the angle of the mounting frame 1 can be adjusted through the angle adjustment seat 3 according to the latitude of the use area, thereby ensuring that the housing 2 faces the sunlight and maximizes the heat collection;

[0052] Sunlight enters the housing 2 through the glass plate 11 to heat the heat collecting tube 21, thereby heating the water. The sunlight is reflected to the heat collecting sheet 22 through the reflective film 20, thereby increasing the temperature of the heat collecting sheet 22. The temperature is then transferred to the water in the heat collecting tube 21 through the heat collecting sheet 22.

[0053] The cleaning component 4 can quickly clean the surface of the glass plate 11 to ensure the light transmittance of the glass plate 11 .

[0054] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A solar thermal collector, characterized in that: It comprises a mounting frame (1), a plurality of shells (2) are arranged on the upper side of the mounting frame (1), a reflective film (20) is arranged on the inner wall of the shell (2), a heat collecting pipe (21) is arranged through the shell (2), and the plurality of heat collecting pipes (21) are connected through a connecting pipe (10) to form a unified passage; A heat collecting sheet (22) is arranged inside the heat collecting tube (21), and the heat collecting tube (21) is made of a light-transmitting material. The heat collecting sheet (22) has a plurality of light-facing surfaces at different angles. The surface of the heat collecting sheet (22) is covered with black nano-scale rare earth oxide, which can quickly store and dissipate heat. The upper side of the housing (2) is sealed by a glass plate (11), and a plurality of glass plates (11) form a complete plane; An angle adjustment seat (3) for adjusting the angle of the mounting frame (1) is arranged at the bottom of the mounting frame (1), and a cleaning component (4) for cleaning the surface of the glass plate (11) is arranged on the angle adjustment seat (3).

2. A solar thermal collector according to claim 1, characterized in that: The angle adjustment seat (3) comprises a base (5) and a threaded barrel (7); a stud (9) is connected to the inner thread of the threaded barrel (7); a fixing plate (6) is rotatably arranged at the end of the threaded barrel (7); the fixing plate (6) and the ends of the stud (9) away from the fixing plate (6) are respectively hinged to the base (5) and the mounting frame (1); and a rotating disk (8) is arranged on the surface of the threaded barrel (7).

3. A solar thermal collector according to claim 2, characterized in that: The cleaning assembly (4) comprises a water tank (18) and two guide rails (12); the water tank (18) is arranged on a base (5) via a support frame (17); the two guide rails (12) are symmetrically arranged on a mounting frame (1); a brush plate (13) is slidably arranged between the two guide rails (12); the brush plate (13) is in contact with a glass plate (11); a nozzle (14) is arranged on the brush plate (13); the nozzle (14) has a length covering the entire glass plate (11); a plurality of water spray holes are provided on the nozzle (14); the water tank (18) is connected to the nozzle (14) via a hose (15); and a valve (16) is provided on the nozzle (14).

4. A solar thermal collector according to claim 3, characterized in that: A handle (19) is provided on the nozzle (14) along the length direction of the guide rail (12).

5. A solar thermal collector according to claim 3, characterized in that: The water tank (18) is located higher than the nozzle (14).

6. A solar thermal collector according to claim 1, characterized in that: The material of the shell (2) is polyurethane thermal insulation material.

7. A solar thermal collector according to claim 1, characterized in that: The end of the heat collecting plate (22) is in the shape of a five-pointed star.

8. A solar thermal collector according to claim 1, characterized in that: The inner wall of the shell (2) is arc-shaped.

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