CN214426219U

CN214426219U - Aerogel solar heat collection device

Info

Publication number: CN214426219U
Application number: CN202120558824.6U
Authority: CN
Inventors: 朱露
Original assignee: Jiangsu Huapai Energy Conservation Technology Co ltd
Current assignee: Jiangsu Huapai Energy Conservation Technology Co ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-10-19
Anticipated expiration: 2031-03-18

Abstract

The utility model discloses an aerogel solar heat collection device, which comprises a heat collector and a heat transfer element, wherein the heat collector is connected with the heat transfer element and comprises a heat insulation box body, a first focusing plate and a heat collection plate, and the first focusing plate and the heat collection plate are positioned in the heat insulation box body; one end of the heat transfer element is positioned at the inner side of the heat preservation box body, the other end of the heat transfer element is positioned at the outer side of the heat preservation box body, and the heat transfer element is connected with the heat preservation box body; the first focusing plate comprises an upper plate and a lower plate which are oppositely arranged, and a transparent aerogel layer is filled between the upper plate and the lower plate; the upper plate and the lower plate are oppositely provided with at least one convex part protruding outwards; the heat collecting plate is positioned on the focusing surface of the first focusing plate and connected with the heat transfer element. The utility model discloses aerogel solar heat collection device, the upper plate of first focusing plate is relative with the convex part of hypoplastron, combines the transparent aerogel layer between the convex part to have the focusing effect, focuses sunlight and gathers heat energy on the heat collection plate, improves the focus effect of sunlight, improves the thermal-arrest ability.

Description

Aerogel solar heat collection device

Technical Field

The utility model belongs to the technical field of the collection can, concretely relates to aerogel solar heat collection device.

Background

The solar energy resource is rich and belongs to clean energy, and the problem of energy shortage can be relieved by utilizing the solar energy. The solar heat collecting system widely applied at present is a vacuum tube heat collector and a flat plate heat collector, but the vacuum tube heat collector has small light collecting area and low light absorption efficiency, while the flat plate heat collector has poor heat insulation effect and large heat loss, so the temperature of the vacuum tube heat collector and the flat plate heat collector is only 40-60 ℃, the living needs of human beings cannot be met, and the solar energy cannot be fully utilized.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: provided is an aerogel solar heat collecting device having high heat collecting efficiency.

In order to solve the above technical problem, an embodiment of the present invention provides an aerogel solar heat collection device, including a heat collector and a heat transfer element, wherein the heat collector is connected to the heat transfer element; the heat collector comprises a heat insulation box body, a first focusing plate and a heat collecting plate, wherein the first focusing plate and the heat collecting plate are positioned in the heat insulation box body; one end of the heat transfer element is positioned on the inner side of the heat preservation box body, the other end of the heat transfer element is positioned on the outer side of the heat preservation box body, and the heat transfer element is connected with the heat preservation box body; the first focusing plate comprises an upper plate and a lower plate, the upper plate and the lower plate are oppositely arranged and provided with a gap, and a transparent aerogel layer is filled in the gap between the upper plate and the lower plate; the upper plate and the lower plate are respectively provided with at least one convex part protruding outwards, and the convex parts of the upper plate and the convex parts of the lower plate are in one-to-one correspondence; the heat collecting plate is located on the focusing surface of the first focusing plate and connected with the heat transfer element.

As the embodiment of the utility model provides a further improvement, the insulation box is the double-wall structure, divide into inlayer wall and outer wall, and it has transparent aerogel layer to fill between inlayer wall and the outer wall, and the surface coating of outer wall has the nanometer coating.

As a further improvement of the embodiment of the utility model, the inner wall and the outer wall are both made of transparent alumina ceramics.

As a further improvement of the embodiment of the utility model, the upper plate and the lower plate are both made of transparent alumina ceramics.

As the embodiment of the utility model provides a further improvement, the insulation box is an open-ended cuboid, first focused on board and heat collection plate all are platelike.

As a further improvement of the embodiment of the present invention, the present invention further comprises a second focusing plate, wherein the second focusing plate comprises at least one concave mirror; the second focusing plate is arranged on the outer side of the heat preservation box body and is rotatably connected with the heat preservation box body.

As a further improvement of the embodiment of the utility model, still include support, backup pad, solar energy tracker and rotation actuating mechanism, the heat collector with the solar energy tracker is installed in the backup pad, the backup pad through rotate actuating mechanism with leg joint, the solar energy tracker is connected rotation actuating mechanism, rotation actuating mechanism is used for the drive the backup pad is in rotate on the support.

As a further improvement of the embodiment of the utility model, the opening surface of the heat preservation box body is provided with a transparent cover plate; the outer surface of the transparent cover plate is coated with a nano coating.

As the embodiment of the utility model provides a further improvement, insulation box, first focusing plate and heat collecting plate are hollow spheroid or regular polyhedron.

As a further improvement of the embodiment of the utility model, the utility model also comprises a bracket, the bracket with the insulation box body is connected.

Compared with the prior art, the technical scheme of the utility model following beneficial effect has: according to the aerogel solar heat collection device, the convex parts on the upper plate and the lower plate of the first focusing plate are oppositely arranged to have a focusing effect, absorbed sunlight is focused on the heat collection plate to collect heat energy, the focusing effect of the sunlight is improved, and the heat collection capacity is improved. And a transparent aerogel layer is filled between the upper plate and the lower plate, so that the heat insulation effect of the first focusing plate is improved. The first focusing plate and the heat collecting plate are arranged in the heat preservation box body, so that heat loss is reduced, and the heat preservation effect is improved.

Drawings

Fig. 1 is a schematic structural view of an aerogel solar thermal collection device according to an embodiment of the present invention;

fig. 2 is a schematic structural view of an aerogel solar heat collection device according to another embodiment of the present invention.

The figure shows that: the solar heat collector comprises a heat collector 1, a heat transfer element 2, a heat preservation box body 11, a transparent cover plate 111, a first focusing plate 12, a convex part 121, a transparent aerogel 122, a heat collection plate 13, a clamping groove 14, a second focusing plate 15, a concave mirror 151, a support 31, a support plate 32 and a solar tracker 33.

Detailed Description

The technical solution of the present invention will be described in detail with reference to the accompanying drawings.

The embodiment of the utility model provides an aerogel solar heat collection device, as shown in fig. 1 and 2, including heat collector 1 and heat transfer member 2, heat collector 1 is connected with heat transfer member 2. The heat collector 1 is used for absorbing solar energy and converting the solar energy into heat energy, and the heat transfer element 2 is used for transferring the heat energy collected by the heat collector 1 and transferring the heat energy to heat energy equipment.

The heat collector 1 comprises a heat insulation box body 11, a first focusing plate 12 and a heat collecting plate 13, wherein the first focusing plate 12 and the heat collecting plate 13 are positioned in the heat insulation box body 11. The first focusing plate 12 includes upper and lower plates which are disposed opposite to each other with a gap therebetween, and a transparent aerogel layer 122 is filled in the gap between the upper and lower plates. At least one convex part 121 protruding outwards is arranged on each of the upper plate and the lower plate, the convex part of the upper plate protrudes towards the direction deviating from the lower plate, the convex part of the lower plate protrudes towards the direction deviating from the upper plate, and the convex parts of the upper plate and the convex parts of the lower plate are in one-to-one correspondence. The convex parts on the upper plate are opposite to the convex parts on the lower plate, the two convex parts and the transparent aerogel layer filled between the two convex parts form a convex lens structure, the focusing effect is achieved, the absorbed sunlight can be focused on the heat collecting plate 13 to collect heat energy, the focusing effect of the sunlight is improved, and the heat collecting capacity is improved. The transparent aerogel layer is filled between the upper plate and the lower plate, so that the heat insulation effect of the first focusing plate 12 can be improved while focusing is not influenced. Preferably, the upper plate and the lower plate of the first focusing plate 12 are provided with a plurality of identical protrusions 121, and the protrusions 121 are arranged in an array, so that the focusing capacity of sunlight is improved, and the energy collecting effect is improved. Preferably, the upper plate and the lower plate are both made of transparent alumina ceramics. The thermal insulation performance of the alumina ceramic is better than that of glass and plastic, so that the thermal insulation effect of the first focusing plate 12 can be further improved, and the heat dissipation is reduced.

The heat collecting plate 13 is located on a focusing surface of the first focusing plate 12, and the focusing surface is a plane where the focuses of the two convex portions oppositely arranged up and down are located. One end of the heat transfer member 2 is positioned inside the thermal insulation case 11 and is connected to the heat collecting plate 13, and the other end of the heat transfer member 2 is positioned outside the thermal insulation case 11 for connection to a thermal power apparatus, the heat transfer member 2 being connected to the thermal insulation case 11.

The working process of the aerogel solar heat collection device of the embodiment is as follows: sunlight irradiates onto the first focusing plate 12 in the heat preservation box body 11 from the light facing surface of the heat preservation box body, the sunlight is focused onto the heat collecting plate 13 through the first focusing plate 12, the heat collecting plate 13 collects heat energy, and the heat transfer element 2 transfers the heat energy collected by the heat collecting plate 13 to the heat energy equipment.

In the aerogel solar heat collection device of the embodiment, the convex portions on the upper plate and the convex portions on the lower plate of the first focusing plate 12 are oppositely arranged to have a focusing function, so that the absorbed sunlight is focused on the heat collection plate 13 to collect heat energy, the focusing effect of the sunlight is improved, and the heat collection capability is improved. A transparent aerogel layer is filled between the upper plate and the lower plate to improve the heat insulation effect of the first focusing plate 12. The first focusing plate 12 and the heat collecting plate 13 are arranged in the heat preservation box body 11, so that heat loss is reduced, and the heat preservation effect is improved.

Preferably, the thermal insulation box body 11 is a double-wall structure and is divided into an inner wall and an outer wall, a transparent aerogel layer is filled between the inner wall and the outer wall, and the outer surface of the outer wall is coated with a nano coating. Preferably, the inner wall and the outer wall are both made of transparent alumina ceramics. Transparent alumina porcelain has high-efficient light transmissivity, adopts insulation box 11 that transparent alumina porcelain made, has the effect of diversified daylighting, has increased the daylighting area. The transparent aerogel layer is filled between the double walls of the heat preservation box body 11, and the alumina porcelain has good heat insulation performance, so that heat loss in the heat preservation box body 11 is further prevented, and the heat collection effect is further improved. The outer surface of outer wall coating nanometer coating, the gathering of the dust granule that significantly reduces for the luminousness is higher, and the collection can the effect better.

The structure of the aerogel solar heat collection device of an embodiment of the present invention is shown in fig. 1, the heat insulation box 11 is a cuboid with an opening, and the first focusing plate 12 and the heat collection plate 13 are both plate-shaped. The inner wall of the heat preservation box body 11 is provided with a clamping groove 14, the edge of the first focusing plate 12 is inserted into the clamping groove 14, the first focusing plate 12 is fixedly connected with the inner wall of the heat preservation box body 11, and the light facing surface of the first focusing plate 12 is opposite to the opening surface of the heat preservation box body 11. When the solar energy heat preservation box is used, the opening surface of the heat preservation box body 11 is a light facing surface, and sunlight directly irradiates the first focusing plate 12 from the opening surface.

Preferably, as shown in fig. 1, the solar heat collection device of this embodiment further includes a second focusing plate 15, where the second focusing plate 15 includes at least one concave mirror, and the second focusing plate 15 is located outside the thermal insulation box 11. When the thermal insulation box body 11 is in a rectangular parallelepiped shape, only the sunlight at the opening can irradiate the first focusing plate 12, and the second focusing plate 15 can reflect the other part of the sunlight to the first focusing plate 12, so that the solar energy on the first focusing plate 12 is increased, and the heat collecting effect is improved. The second focusing plate 15 is installed on the heat preservation box body 11 through a rotating shaft and can rotate relative to the heat preservation box body to reflect more sunlight to be collected on the first focusing plate, and the energy collection effect is improved.

Preferably, as shown in fig. 1, the aerogel solar thermal collector of the present embodiment further includes a support 31, a support plate 32, a solar tracker 33 and a rotation driving mechanism, wherein the collector 1 and the solar tracker 33 are mounted on the support plate 32, the support plate 32 is connected to the support 31 through the rotation driving mechanism, the solar tracker 33 is connected to the rotation driving mechanism, and the rotation driving mechanism is configured to drive the support plate 32 to rotate on the support 31. The solar tracker 33 tracks the movement of the sun, controls the motor of the rotation driving mechanism to drive the mechanical structure of the rotation driving mechanism, and drives the supporting plate 32 to rotate, so that the opening of the heat preservation box body 11 and the light facing surface of the first focusing plate 12 in the box are always perpendicular to the sunlight, the absorption density of sunlight is greatly improved, the utilization rate of solar energy is improved, and more heat energy is obtained.

Preferably, as shown in fig. 1, a transparent cover plate 111 is disposed at the opening of the thermal insulation box 11, and the outer surface of the transparent cover plate 111 is coated with a nano-coating. Sunlight can be irradiated into the box through the transparent cover plate 111, meanwhile, the transparent cover plate 111 seals the whole heat insulation box body 11, heat exchange inside and outside the heat insulation box body is effectively isolated, heat loss inside the heat insulation box body is reduced, and the heat collection effect and the heat insulation effect are improved. The outer surface of the transparent cover plate 111 is coated with the nano coating, so that the aggregation of dust particles is greatly reduced, the light transmittance is higher, and the energy collection effect is better.

The structure of the aerogel solar heat collection device according to another embodiment of the present invention is shown in fig. 2, and the thermal insulation box 11, the first focusing plate 12 and the heat collection plate 13 are hollow spheres. The first focusing plate 12 is located in the sphere of the thermal insulation box body 11, the heat collecting plate 13 is located in the sphere of the first focusing plate 12, and both the first focusing plate 12 and the heat collecting plate 13 are fixed in the thermal insulation box body 11 through the heat transfer element 2. The whole spherical surface of the heat preservation box body 11 is a light facing surface, the whole spherical surface of the first focusing plate 12 is used for focusing, the areas of a light absorbing surface and a focusing surface are large, and the focusing and heat collecting effects are good. And the whole insulation box body 11 is of a closed structure, so that heat exchange inside and outside the insulation box body is effectively isolated, heat loss in the insulation box body is reduced, and the heat collection effect and the heat insulation effect are improved. The heat insulating case 11, the first focusing plate 12, and the heat collecting plate 13 may be regular polyhedrons.

Preferably, as shown in fig. 2, the aerogel solar energy collection device of the present embodiment further includes a support 31, the support 31 is connected to the thermal insulation box 11, and the support 31 is used for supporting the whole heat collector 1.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration only, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the claims and their equivalents.

Claims

1. The aerogel solar heat collection device is characterized by comprising a heat collector (1) and a heat transfer element (2), wherein the heat collector (1) is connected with the heat transfer element (2); the heat collector (1) comprises a heat preservation box body (11), a first focusing plate (12) and a heat collecting plate (13), wherein the first focusing plate (12) and the heat collecting plate (13) are positioned in the heat preservation box body (11); one end of the heat transfer element (2) is positioned on the inner side of the heat preservation box body (11), the other end of the heat transfer element (2) is positioned on the outer side of the heat preservation box body (11), and the heat transfer element (2) is connected with the heat preservation box body (11); the first focusing plate (12) comprises an upper plate and a lower plate, wherein the upper plate and the lower plate are oppositely arranged and provided with a gap, and a transparent aerogel layer (122) is filled in the gap between the upper plate and the lower plate; the upper plate and the lower plate are respectively provided with at least one convex part (121) protruding outwards, and the convex parts of the upper plate and the convex parts of the lower plate are in one-to-one correspondence; the heat collecting plate (13) is positioned on the focal plane of the first focusing plate (12), and the heat collecting plate (13) is connected with the heat transfer element (2).

2. The aerogel solar energy collection device according to claim 1, wherein the insulation box body (11) is a double-wall structure and is divided into an inner wall and an outer wall, a transparent aerogel layer is filled between the inner wall and the outer wall, and the outer surface of the outer wall is coated with a nano coating.

3. The aerogel solar thermal collection device of claim 2, wherein the inner and outer walls are made of a transparent alumina ceramic.

4. The aerogel solar collector as claimed in claim 1, wherein the upper and lower plates are made of transparent alumina ceramic.

5. The aerogel solar collector as claimed in claim 1, wherein the thermal insulation box (11) is a cuboid with an opening on one side, and the first focusing plate (12) and the heat collecting plate (13) are both plate-shaped.

6. The aerogel solar collection device according to claim 5, further comprising a second focusing sheet (15), the second focusing sheet (15) comprising at least one concave mirror (151); the second focusing plate (15) is arranged on the outer side of the heat preservation box body (11) and is rotatably connected with the heat preservation box body (11).

7. The aerogel solar collector according to claim 5, further comprising a support frame (31), a support plate (32), a solar tracker (33) and a rotation driving mechanism, wherein the collector (1) and the solar tracker (33) are mounted on the support plate (32), the support plate (32) is connected with the support frame (31) through the rotation driving mechanism, the solar tracker (33) is connected with the rotation driving mechanism, and the rotation driving mechanism is used for driving the support plate (32) to rotate on the support frame (31).

8. The aerogel solar collector as claimed in claim 5, wherein the open face of the insulated box (11) is provided with a transparent cover plate (111); the outer surface of the transparent cover plate (111) is coated with a nano coating.

9. The aerogel solar collector according to claim 1, wherein the thermal insulation box (11), the first focusing plate (12) and the heat collecting plate (13) are all hollow spheres or regular polyhedrons.

10. The aerogel solar collector according to claim 9, further comprising a bracket (31), wherein the bracket (31) is connected to the thermal box (11).