Vacuum tube type solar heat collector with steel shell

Abstract

The utility model discloses a steel shell vacuum tube type solar thermal collector, which relates to the technical field of solar thermal utilization, and comprises a thermal collector header, the thermal collector header is provided with a steel shell, the steel shell consists of a front shell and a rear shell, the front shell is fixed on a frame through bolts, an end cover is buckled on the end face of the steel shell, and the rear shell is fixed on the frame through bolts. The end cover and the steel shell are fixed together through rivets; a pipe hole is punched in the front shell and is subjected to secondary flanging, a wind blocking ring is arranged at the pipe hole of the front shell, and the vacuum pipe can penetrate through the wind blocking ring and extend into the heat preservation layer; heat conduction fins are arranged in the vacuum tubes, branch flow channels are arranged in the heat conduction fins, and the branch flow channels are communicated with the main flow channel. The frame and the bracket are connected together through bolts, the tail of the vacuum tube is inserted into the nylon tail support, and the nylon tail support is clamped on the bracket. The steel shell is integrally formed, the production efficiency is high, the weight is light, the price is low, obtaining is easy, the labor intensity of workers is reduced, and the strength of the steel shell can meet the user requirement.

Description

Technical Field

[0001] The utility model relates to the technical field of solar thermal utilization, in particular to a steel shell vacuum tube type solar thermal collector. Background Art

[0002] Solar thermal collector is a device that converts the sun's radiation energy into heat energy. Since solar energy is relatively scattered, it must be concentrated. Therefore, the collector is a key part of various solar energy devices. Reducing the cost of solar thermal collectors is also a key issue in the industry.

[0003] However, most of the vacuum tube solar collectors on the market currently have aluminum alloy shells and aluminum alloy frames. This type of aluminum alloy shell is not beautiful, cannot be changed after the mold is finalized, is costly, and requires a large investment in system projects; thin aluminum alloy profiles are not strong enough, and thick ones are bulky. Summary of the invention

[0004] The utility model aims to provide a steel shell vacuum tube type solar collector to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel shell vacuum tube type solar collector, including a collector header, the collector header is provided with a steel shell, the steel shell includes a front shell and a rear shell fixed to a frame by bolts, the front shell and the rear shell are plugged together; a main channel is provided in the header, an insulation layer is filled between the steel shell and the main channel, and end covers are provided at both ends of the steel shell.

[0006] Furthermore, sealant is applied between the front shell and the rear shell.

[0007] Furthermore, the collector manifold includes an end cover, which is buckled on the end face of the steel shell. The end cover is provided with a guide structure, the inner ribs of the end cover are tightly fitted with the inner face of the steel shell, the outer end of the end cover surrounds the steel shell, and the end cover and the steel shell are fixed together with rivets.

[0008] Furthermore, the front shell is punched with a tube hole and flanged twice, a wind shield is installed at the tube hole of the front shell, and the vacuum tube passes through the wind shield and extends into the insulation.

[0009] Furthermore, the vacuum tube is provided with heat-conducting fins, the heat-conducting fins are closely fitted to the inner wall of the vacuum tube, and a branch flow channel is provided in the heat-conducting fins, which is communicated with the main flow channel.

[0010] Furthermore, the frame and the bracket are connected together by bolts; the tail of the vacuum tube is inserted into the nylon tail stock, and the nylon tail stock is stuck on the bracket.

[0011] Furthermore, the front shell, rear shell, frame and bracket are all made of steel.

[0012] In the above technical scheme, the utility model provides a steel shell vacuum tube type solar collector, including a collector header, the collector header is provided with a steel shell, the steel shell is composed of a front shell and a rear shell, the front shell and the rear shell are directly made by a forming mold, the front shell and the rear shell are plugged together, the front shell is fixed to the frame by bolts, the end cover is buckled on the end face of the steel shell, the end cover and the steel shell are fixed together by rivets, the frame and the bracket are connected together by bolts, and the frame and the bracket are made by bending steel plates. The steel shell is integrally formed, with high production efficiency, reducing the labor intensity of workers, and the strength of the steel shell can meet user needs; the steel shell, the frame, and the bracket are all made of steel materials, with high strength, light weight, relatively low price, and easy acquisition. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings.

[0014] Figure 1 The present invention is a schematic diagram of the overall structure of the present invention.

[0015] Figure 2 The embodiment of the utility model provides Figure 1 Schematic diagram of the cross-sectional structure of the central collector header.

[0016] Figure 3 A schematic diagram of the cross-sectional structure of a steel housing provided in an embodiment of the utility model.

[0017] Figure 4 This is an enlarged view of the plug-in structure of the front shell and the rear shell in the steel shell provided in an embodiment of the utility model.

[0018] Description of reference numerals:

[0019] 1. Collector header; 2. Main channel; 3. Branch channel; 4. Heat transfer fins; 5. Vacuum tube; 6. Frame; 7. Bracket; 8. Nylon tail support; 9. Bolts; 10. Insulation layer; 11. Steel shell; 12. End cover; 13. Wind shield; 14. Rear shell; 15. Front shell; 16. Sealant. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 The embodiment of the utility model includes a collector header 1, which is provided with a steel shell 11. The steel shell 11 includes a front shell 15 and a rear shell 14 fixed to the frame (6) by bolts 9, and the front shell 15 and the rear shell 14 are plugged together; a main flow channel 2 is provided in the header 1, and an insulation layer 10 is filled between the steel shell 11 and the main flow channel 2, and end covers 12 are provided at both ends of the steel shell 11.

[0022] The steel housing is composed of a front housing 15 and a rear housing 14 . The front housing 15 is fixed to the frame 6 by bolts 9 , and the front housing 15 and the rear housing 14 are plugged together.

[0023] Specifically, a sealant 16 is applied between the front shell 15 and the rear shell 14 to prevent rainwater from entering the collector header 1 and thus destroying the heat preservation effect of the collector.

[0024] Specifically, the end cover 12 is buckled on the end face of the steel shell 11, the inner ribs of the end cover 12 are tightly fitted with the inner face of the steel shell 11, and the outer end of the end cover 12 surrounds the steel shell 11; the end cover 12 is riveted on the steel shell 11 to form an integral type; the end cover 12 is provided with a guide structure to facilitate installation with the steel shell 11.

[0025] Specifically, the insulation layer 10 is filled between the steel shell 11 and the end cover 12 and the main channel 2 , and the insulation layer 10 and the steel shell should be interference fit to further improve the strength of the collector header 1 .

[0026] Specifically, the front shell 15 is punched with a tube hole and flanged twice, a windshield ring 13 is installed at the tube hole of the front shell 15, the vacuum tube 5 passes through the windshield ring 13 and extends into the insulation layer 10, and the heat absorbed by the vacuum tube 5 will not be lost but will be completely retained.

[0027] Specifically, the vacuum tube 5 is equipped with heat-conducting fins 4, which are tightly fitted to the inner wall of the vacuum tube 5. A branch channel 3 is provided in the heat-conducting fins 4. The heat absorbed by the vacuum tube 5 is transferred to the branch channel 3 through the heat-conducting fins 4, thereby heating the medium in the branch channel 3. The branch channel 3 is connected to the main channel 2, and the medium in the branch channel 3 flows into the main channel 2.

[0028] Specifically, the frame 6 and the bracket 7 are connected together with bolts to improve the overall strength; the tail of the vacuum tube 5 is inserted into the nylon tail stock 8, and the nylon tail stock 8 is stuck on the bracket 7. The nylon tail stock 8 is adjustable and easy to install on site.

[0029] Specifically, the front shell 15, the rear shell 14, the frame 6 and the bracket 7 are all made of steel materials and can be directly made using a molding mold, and can also be made using other molding processes such as bending processes that can be acquired by technicians in this field based on common technical knowledge.

[0030] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A steel shell vacuum tube type solar collector, comprising a collector header (1), characterized in that: The collector header (1) is provided with a steel shell (11), the steel shell (11) comprising a front shell (15) and a rear shell (14) fixed to a frame (6) by bolts (9), the front shell (15) and the rear shell (14) being plugged together; a main flow channel (2) is provided in the header (1), a heat-insulating layer (10) is filled between the steel shell (11) and the main flow channel (2), and end covers (12) are provided at both ends of the steel shell (11).

2. A steel shell vacuum tube type solar collector according to claim 1, characterized in that: A sealant (16) is applied between the front shell (15) and the rear shell (14).

3. The steel shell vacuum tube type solar collector according to claim 1, characterized in that: The collector header (1) comprises an end cover (12), wherein the end cover (12) is buckled onto the end surface of the steel shell (11), the end cover (12) is provided with a guide structure, the inner ribs of the end cover (12) and the inner surface of the steel shell (11) are tightly fitted, the outer end of the end cover (12) surrounds the steel shell (11), and the end cover (12) and the steel shell (11) are fixed together by rivets.

4. The steel shell vacuum tube type solar collector according to claim 1, characterized in that: The front shell (15) is punched with a tube hole and flanged twice, a windshield ring (13) is installed at the tube hole of the front shell (15), and the vacuum tube (5) passes through the windshield ring (13) and extends into the thermal insulation layer (10).

5. The steel shell vacuum tube type solar collector according to claim 4, characterized in that: The vacuum tube (5) is provided with a heat-conducting fin (4), the heat-conducting fin (4) being tightly fitted to the inner wall of the vacuum tube (5), and a branch flow channel (3) being provided in the heat-conducting fin (4), the branch flow channel (3) being in communication with the main flow channel (2).

6. The steel shell vacuum tube type solar collector according to claim 1, characterized in that: The frame (6) and the bracket (7) are connected together by bolts; the tail of the vacuum tube (5) is inserted into the nylon tail stock (8), and the nylon tail stock (8) is clamped on the bracket (7).

7. The steel shell vacuum tube type solar collector according to claim 1, characterized in that: The front shell (15), the rear shell (14), the frame (6) and the bracket (7) are all made of steel.

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