CN219178002U

CN219178002U - Solar heat collector

Info

Publication number: CN219178002U
Application number: CN202223319871.9U
Authority: CN
Inventors: 查佳雯; 查月祥; 查佳浩
Original assignee: Zhejiang Yaunn New Energy Co ltd
Current assignee: Zhejiang Yaunn New Energy Co ltd
Priority date: 2022-12-12
Filing date: 2022-12-12
Publication date: 2023-06-13
Anticipated expiration: 2032-12-12

Abstract

The utility model discloses a solar heat collector, which comprises a heat collecting pipe bracket, wherein an arc surface structure is arranged in the middle of the heat collecting pipe bracket, a plurality of grooves are formed in the arc surface structure, and sunlight reflecting films are covered on the bottoms of the grooves; a plurality of heat collecting pipes are horizontally and uniformly arranged on the inner side of the heat collecting pipe bracket, and two ends of each heat collecting pipe are fixedly connected to the side wall of the heat collecting pipe bracket; the bottom two sides of the heat collecting tube bracket at one side of the opening end of the heat collecting tube are respectively provided with a support column, the upper ends of the support columns are rotatably connected with the heat collecting tube bracket, the two sides of the bottom of the heat collecting tube bracket at one side of the blind tube end of the heat collecting tube are respectively provided with a limit groove, and the bottom ends of the limit grooves are respectively provided with an adjustable support column. The solar heat collector can adjust the angle of the heat collecting pipe, has high light focusing property, and can improve the sunlight receiving rate and the photo-thermal conversion rate.

Description

Solar heat collector

Technical Field

The utility model relates to the field of solar equipment, in particular to a solar heat collector.

Background

Solar energy is inexhaustible, economical and pollution-free green energy, solar energy technology is widely applied, a solar water heater is one of the products and is adopted by a plurality of families, but the lighting angles of the existing solar water heater are different for different areas, and the solar water heater produced by the same specification may cause lighting effects and low solar energy utilization rate in different areas.

At present, in the market, the common solar water heater is mainly of a fixed structure, the angle of a heat collecting tube is fixed and cannot be changed along with the height of the sun, and the back of the heat collecting tube cannot receive sunlight, so that the sunlight receiving rate is low, the photo-thermal conversion rate is low, and therefore, the conventional fixed solar heat collector cannot meet the daily life demands of people.

As shown in fig. 1, the patent with application number CN202022872912.1 discloses a solar water heater with lifting structure and adjustable angle, which can make the solar water heater have the function of adjusting angle by welding a chain below a rotating rod and a rotating wheel arranged inside a shell, and solves the problem of constant angle of a heat collecting tube; however, this solar water heater has the following drawbacks: the back of the heat collecting tube can not receive sunlight, so that the sunlight receiving rate is low, and the photo-thermal conversion rate is low.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, an object of the present utility model is to provide a solar collector, which can adjust the angle of the collector tube, has high light focusing property, and can improve the solar light receiving rate and the photo-thermal conversion rate.

The technical scheme of the utility model is as follows:

a solar heat collector comprises a heat collecting pipe bracket, wherein an arc surface structure is arranged in the middle of the heat collecting pipe bracket, a plurality of grooves are formed in the arc surface structure, and sunlight reflecting films are covered on the bottoms of the grooves; a plurality of heat collecting pipes are horizontally and uniformly arranged on the inner side of the heat collecting pipe bracket, and two ends of each heat collecting pipe are fixedly connected to the side wall of the heat collecting pipe bracket; the bottom two sides of the heat collecting tube bracket at one side of the opening end of the heat collecting tube are respectively provided with a support column, the upper ends of the support columns are rotatably connected with the heat collecting tube bracket, the two sides of the bottom of the heat collecting tube bracket at one side of the blind tube end of the heat collecting tube are respectively provided with a limit groove, and the bottom ends of the limit grooves are respectively provided with an adjustable support column.

Furthermore, the heat collecting tube is a full-glass vacuum heat collecting tube.

Further, the heat collecting tube comprises two transparent glass blind tubes which are sleeved with each other in the same direction and a condensing head outside the tubes, and specifically comprises an inner glass blind tube and an outer glass blind tube, the open ends of the inner glass blind tube and the outer glass blind tube are connected in a sealing way through a sealing connecting piece, and the condensing head is welded on the other side of the sealing connecting piece; a vacuum cavity is arranged between the inner glass blind pipe and the outer glass blind pipe, a metal pipe is arranged in the inner glass blind pipe, and a solar heat absorption film is arranged on the surface of the metal pipe.

Further, the support column is including welding the connecting plate in heat collecting tube bracket bottom, and the connecting plate bottom sets up the bracing piece, and the connecting plate passes through pivot hinged connection with the bracing piece, bracing piece bottom surface fixedly connected with anti-skidding bottom plate, and anti-skidding bottom plate passes through bolt fastening subaerial.

Further, the adjustable support column comprises an electric telescopic rod, the upper end of the electric telescopic rod is inserted into the limiting groove, and the lower end of the electric telescopic rod is fixed on the ground.

Further, the upper end of the electric telescopic rod is also provided with a clamping block, the shape of the clamping block is spherical, and the edge of the clamping block is respectively propped against the bottom and two side walls of the limiting groove.

The utility model has the beneficial effects that: the cambered surface structure in the middle of the heat collector bracket, the grooves on the cambered surface structure and the sunlight reflecting film covered on the inner wall surface of the heat collector bracket have high light condensation function, and the sunlight receiving area of the heat collector is greatly increased; through the arrangement of the adjustable support column, the angle of the heat collecting pipe can be adjusted according to the irradiation angle of the sun, and the sunlight receiving rate of the solar heat collector is improved.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of a prior art patent;

FIG. 2 is a schematic view of the external structure of the solar collector according to the present utility model;

FIG. 3 is a schematic view of the structure of the fixed support column and the adjustable support column of the present utility model;

FIG. 4 is a schematic cross-sectional view of a solar collector according to the present utility model;

FIG. 5 is an enlarged schematic view of the structure of FIG. 4A;

FIG. 6 is a schematic diagram of the overall structure of FIG. 5;

fig. 7 is a schematic view of the internal structure of the heat collecting tube of the present utility model.

In the figure: 1-a heat collecting pipe bracket; 11-grooves; 12-a reflective film; 13-a limit groove; 2-supporting columns; 21-a rotating shaft; 22-connecting plates; 23-supporting rods; 24-an anti-slip bottom plate; 3-an adjustable support column; 32-clamping blocks; 33-a telescopic rod; 34-a protective cover; 35-an electric motor; 5-a heat collecting tube; 51-condensing head; 52-an outer glass tube; 53-inner glass tube; 54-vacuum chamber; 56-metal tube; 57-solar absorbing film; 58-sealing the connection; 59-getter.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Referring to fig. 2 and 4, a solar collector includes a collector tube bracket 1, a support column 2, an adjustable support column 3, and a plurality of collector tubes 5 installed on an upper surface of the collector tube bracket. The heat collecting tube 5 is a full glass vacuum heat collecting tube, and two ends of the heat collecting tube 5 are fixedly connected to the side wall of the heat collecting tube bracket 1.

As shown in fig. 7, the heat collecting tube 5 comprises two transparent glass blind tubes sleeved with each other in the same direction and a condensing head 51 outside the tubes, and specifically comprises an inner glass blind tube 53 and an outer glass blind tube 52, wherein the open ends of the inner glass blind tube 53 and the outer glass blind tube 52 are in sealing connection through a sealing connection piece 58, and the condensing head 51 is welded on the other side of the sealing connection piece 58; the bottom end of the outer glass blind pipe 52 is provided with a getter 59, a vacuum cavity 54 is arranged between the inner glass blind pipe 53 and the outer glass blind pipe 52, a metal pipe 56 is arranged in the inner glass blind pipe 53, the metal pipe 56 is communicated with the condensing head 51, a solar heat absorbing film 57 is arranged on the surface of the metal pipe 56, heat absorbed by the solar heat absorbing film 57 is transferred through heating a heat conducting medium in the metal pipe 56, and the heated heat conducting medium floats upwards through the condensing head 51 to exchange heat with a cold medium, so that heat transfer of the heat collecting pipe 5 is realized.

The structure of the heat collecting pipe 5 is not limited to that shown in fig. 7, and a similar all-glass evacuated heat collecting pipe may be used, or a commercially available all-glass evacuated heat collecting pipe may be used.

The middle part of the heat collecting tube bracket 1 is provided with an arc structure, and a plurality of grooves 11 are formed in the arc structure, and preferably, the grooves 11 are arc-shaped in the embodiment. In addition, the bottom surface inner wall surface is covered with a solar light reflection film 12.

Sunlight which irradiates the inner wall of the bottom surface from the heat collecting pipe 5 is reflected to the bottom surface of the heat collecting pipe 5 through the reflecting film 12, the cambered surface structure of the inner wall of the bottom surface is a condensing surface capable of improving light, the incident parallel light is condensed in a smaller area, the inner wall of the bottom surface is planar, and when the light is slightly inclined, the reflected light can still be condensed on the inner wall of the bottom surface; the grooves 11 on the inner wall greatly increase the sunlight receiving area and have the function of condensing light.

As shown in fig. 2 to 4, the support columns 2 are respectively arranged at two sides of the bottom of the heat collecting tube bracket 1 corresponding to one side of the opening end of the heat collecting tube 5, the upper ends of the support columns 2 are rotatably connected with the heat collecting tube bracket 1, two sides of the bottom of the heat collecting tube bracket 1 corresponding to one side of the blind tube end of the heat collecting tube 5 are respectively provided with a limiting groove 13, and the adjustable support columns 3 are arranged at the bottom ends of the limiting grooves 13.

The concrete connection structure of the limit groove 13 and the support column 2 is shown in fig. 5 and 6, the support column 2 comprises a connecting plate 22 welded at the bottom of the heat collecting tube bracket 1, a support rod 23 is arranged at the bottom of the connecting plate 22, the connecting plate 22 is hinged with the support rod 23 through a rotating shaft 21, an anti-slip bottom plate 24 is fixedly connected to the bottom surface of the support rod 23, and the anti-slip bottom plate 24 is fixed on the ground through bolts; the adjustable support column 3 comprises a telescopic rod 33, a motor 35 is connected to the bottom of the telescopic rod 33, the motor 35 is a screw stepping motor, and a protective cover 34 is arranged outside the motor 35; the upper end of the telescopic rod 33 is also provided with a clamping block 32, the shape of the clamping block 32 is spherical, and the edge of the clamping block 32 is respectively propped against the bottom and two side walls of the limiting groove 13.

When the telescopic rod 33 is telescopically regulated, the inclination angle of the heat collecting tube bracket 1 is driven to change, the connecting plate 22 rotates through the rotating shaft 21, and the clamping block 32 moves back and forth in the limiting groove 13 so as to maintain the overall balance of the heat collecting tube bracket 1.

According to the solar heat collector, the angle of the heat collecting pipe 5 can be adjusted by the arrangement of the adjustable support columns 3, and the angle of the heat collecting pipe 5 can be adjusted according to the irradiation angle of the sun, so that the sunlight receiving area is increased, and the sunlight receiving rate of the solar heat collector is improved; the arrangement of the cambered surface structure in the middle of the heat collector bracket 1 and the groove 11 on the cambered surface structure, and the sunlight reflecting film 12 covered on the inner wall surface of the heat collector bracket 1 not only have high light condensation function, but also greatly improve the sunlight receiving area of the heat collector.

In this application, structures and connection relationships not described in detail are all prior art, and their structures and principles are already known and are not described herein.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A solar collector, characterized by: the solar heat collecting device comprises a heat collecting pipe bracket, wherein an arc surface structure is arranged in the middle of the heat collecting pipe bracket, a plurality of grooves are formed in the arc surface structure, and sunlight reflecting films are covered on the bottoms of the grooves; a plurality of heat collecting pipes are horizontally and uniformly arranged on the inner side of the heat collecting pipe bracket, and two ends of each heat collecting pipe are fixedly connected to the side wall of the heat collecting pipe bracket; the bottom two sides of the heat collecting tube bracket at one side of the opening end of the heat collecting tube are respectively provided with a support column, the upper ends of the support columns are rotatably connected with the heat collecting tube bracket, the two sides of the bottom of the heat collecting tube bracket at one side of the blind tube end of the heat collecting tube are respectively provided with a limit groove, and the bottom ends of the limit grooves are respectively provided with an adjustable support column.

2. A solar collector as claimed in claim 1, wherein: the heat collecting tube is a full-glass vacuum heat collecting tube.

3. A solar collector as claimed in claim 2, wherein: the heat collecting pipe comprises two transparent glass blind pipes which are sleeved with each other in the same direction and a condensing head outside the pipe, and particularly comprises an inner glass blind pipe and an outer glass blind pipe, the open ends of the inner glass blind pipe and the outer glass blind pipe are connected in a sealing way through a sealing connecting piece, and the condensing head is welded on the other side of the sealing connecting piece; a vacuum cavity is arranged between the inner glass blind pipe and the outer glass blind pipe, a metal pipe is arranged in the inner glass blind pipe, and a solar heat absorption film is arranged on the surface of the metal pipe.

4. A solar collector as claimed in claim 1, wherein: the support column is including welding the connecting plate in heat-collecting tube bracket bottom, and the connecting plate bottom sets up the bracing piece, and the connecting plate is articulated to be connected through the pivot with the bracing piece, bracing piece bottom surface fixedly connected with anti-skidding bottom plate, and anti-skidding bottom plate passes through bolt fastening subaerial.

5. A solar collector as claimed in claim 1, wherein: the adjustable support column comprises an electric telescopic rod, the upper end of the electric telescopic rod is inserted into the limiting groove, and the lower end of the electric telescopic rod is fixed on the ground.

6. The solar collector of claim 5 wherein: the upper end of the electric telescopic rod is also provided with a clamping block, the shape of the clamping block is spherical, and the edge of the clamping block is respectively propped against the bottom and two side walls of the limiting groove.