CN216409334U - Solar heat collecting plate with hollow cavity - Google Patents
Solar heat collecting plate with hollow cavity Download PDFInfo
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- CN216409334U CN216409334U CN202120656321.2U CN202120656321U CN216409334U CN 216409334 U CN216409334 U CN 216409334U CN 202120656321 U CN202120656321 U CN 202120656321U CN 216409334 U CN216409334 U CN 216409334U
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- heat
- hollow cavity
- heat collecting
- collecting plate
- plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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Abstract
The utility model discloses a solar heat collecting plate with a hollow cavity, wherein the inside of the heat collecting plate is provided with the closed hollow cavity; a heat collecting plate core is arranged in the hollow cavity; a light-transmitting plate is arranged on the sunny side of the heat collecting plate core, and a heat-insulating back plate is arranged on the sunny side of the heat collecting plate core; spacing bars are distributed around the heat collecting plate core; the spacing bars are positioned between the light-transmitting plates and the heat-insulating back plate; a sealing structure glue layer is arranged outside the spacing bar; according to the solar heat collecting plate with the hollow cavity, the heat collecting plate core is effectively sealed in the hollow cavity, so that heat loss of the heat collecting plate core is reduced, and the heat collecting and insulating performance of the heat collecting plate is improved.
Description
Technical Field
The utility model relates to a solar heat collecting plate, in particular to a solar heat collecting plate with a hollow cavity, and belongs to the technical field of solar heat collecting plates.
Background
With the ever-decreasing consumption of fossil fuels, solar energy has become an important component of energy used by humans and is constantly being developed. Solar energy is utilized in two ways, namely photo-thermal conversion and photoelectric conversion.
Solar collectors in the photothermal conversion mode have been commonly used; the solar heat collector is a device for absorbing solar radiation energy and transferring heat to a working medium, and is a special heat exchanger, and the working medium in the heat collector exchanges heat with remote sun. The solar heat collector consists of a heat collecting plate core, a shell, a transparent cover plate and related parts.
In the prior art, a part of heat absorbed by the heat collecting plate core can be dissipated from the shell to the environment, and in addition, the heat dissipation of the heat collecting plate core can be accelerated by air flow, so that the heat collecting and heat insulating performance of the solar heat collector is influenced.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solar heat collecting plate with a hollow cavity, aiming at the defects in the background art, and the heat collecting plate core is effectively sealed in the hollow cavity, so that the heat loss of the heat collecting plate core is reduced, and the heat collecting and insulating performance of the heat collecting plate is improved.
A solar heat collecting plate with a hollow cavity is provided, wherein the inside of the heat collecting plate is provided with the closed hollow cavity; a heat collecting plate core is arranged in the hollow cavity; spacing bars are distributed around the heat collecting plate core; the spacing bars are positioned between the light-transmitting plates and the heat-insulating back plate; and a sealing structure glue layer is arranged outside the spacing bar.
Furthermore, a light-transmitting plate is arranged on the sunny side of the heat collection plate core, and a heat preservation back plate is arranged on the sunny side of the heat collection plate core.
Further, the spacing bars are distributed in a square or rectangular shape.
Furthermore, the front end face of the spacing bar is connected with the wall face of the light-transmitting plate, and the rear end face of the spacing bar is connected with the wall face of the heat-preservation back plate.
Furthermore, the glue layers of the sealing structure are distributed in a square or rectangular shape.
Furthermore, the heat preservation backplate comprises the fire prevention heated board in the middle and the metal sheet of fire prevention heated board both sides.
Furthermore, two through holes which are vertically arranged are formed in the heat-insulating back plate, a heat-conducting liquid inlet pipe is arranged in the lower through hole in a penetrating mode, a heat-conducting liquid outlet pipe is arranged in the upper through hole in a penetrating mode, and the heat-conducting liquid inlet pipe and the heat-conducting liquid outlet pipe are communicated with the inner cavity of the heat collecting plate core.
Further, the light-transmitting plate is made of glass.
After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:
according to the utility model, the heat collection plate core is effectively sealed in the hollow cavity, so that the loss of heat absorbed by the internal heat collection plate core is reduced, and the hollow cavity is formed by the light-transmitting plate, the spacing strips, the heat preservation back plate and the sealing structure glue layer, so that the long-term sealing property of the hollow cavity is ensured.
The heat collecting plate core, the fireproof heat-insulating plate and the metal plates on the two sides of the fireproof heat-insulating plate form a multi-layer fireproof function.
The heat-insulating hollow cavity can effectively reduce the loss of heat absorbed by the internal heat collecting plate core and effectively improve the heat collecting and insulating performance of the heat collecting plate.
The present invention will be described in detail below with reference to the accompanying drawings and examples.
Drawings
Fig. 1 is a schematic structural view of a solar heat collecting plate of the present invention.
In the figure, 1-heat collecting plate core, 2-hollow cavity, 3-light-transmitting plate, 4-heat preservation back plate, 5-spacing bar, 6-sealing structure glue layer and 7-fixing frame.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will now be described with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a solar heat collecting plate with a hollow cavity, wherein a closed hollow cavity 2 is arranged inside the heat collecting plate, and the hollow cavity 2 has a thermal insulation function; and a heat collecting plate core 1 is arranged in the hollow cavity 2.
The sunny side of the heat collection plate core 1 is provided with a light-transmitting plate 3, the sunny side of the heat collection plate core 1 is provided with a heat preservation back plate 4, and a spacing bar 5 is arranged between the light-transmitting plate 3 and the heat preservation back plate 4.
The spacing bars 5 are distributed around the heat collecting plate core 1; the spacing bars 5 are distributed in a square or rectangular shape.
The front end face of the spacing bar 5 is connected with the wall face of the light-transmitting plate 3, and the rear end face of the spacing bar 5 is connected with the wall face of the heat-insulating back plate 4.
A sealing structure glue layer 6 is arranged outside the spacing bar 5; the adhesive layers 6 of the sealing structure are distributed in a square or rectangular shape.
The sealing structure glue layer 6 effectively seals the joints of the inner spacing bars 5, the spacing bars 5 and the light-passing board 3 and the joints of the spacing bars 5 and the heat-preservation back plate 4, so that the effective sealing of the hollow cavity 2 is ensured, and the hollow cavity 2 is ensured to have good heat-preservation performance.
The heat-insulation back plate 4 is composed of a fireproof heat-insulation plate in the middle and metal plates on two sides of the fireproof heat-insulation plate, and has a multi-layer fireproof function.
Two through holes are formed in the heat-insulation back plate 4, a heat-conducting liquid inlet pipe penetrates through one through hole, a heat-conducting liquid outlet pipe penetrates through the other through hole, and the heat-conducting liquid inlet pipe and the heat-conducting liquid outlet pipe are communicated with the inner cavity of the heat collection plate core 1.
The light-transmitting plate 3 is made of glass.
The solar heat collecting plate of the present invention is installed at an appropriate position by a fixing frame 7.
The specific working principle of the utility model is as follows:
sunlight irradiates the heat collecting plate core 1 in the hollow cavity 2 through the light transmitting plate 3, light energy is converted into heat energy to heat the heat conducting liquid in the heat collecting plate core 1, the heated heat conducting liquid enters the solar water tank through the heat conducting liquid outlet pipe, and after cooling, the heated heat conducting liquid returns to the heat collecting plate core 1 through the heat conducting liquid inlet pipe and circulates in a reciprocating mode.
The hollow cavity 2 in the utility model is composed of the light-transmitting plate 3, the spacing strips 5, the heat-insulating back plate 4 and the sealing structure glue layer 6, and the hollow cavity 2 can reduce the loss of heat absorbed by the internal heat collecting plate core 1.
The heat collecting plate core 1, the fireproof heat-insulating plate and the metal plates on two sides of the fireproof heat-insulating plate form a multi-layer fireproof function.
The heat-insulating hollow cavity 2 can reduce the loss of heat absorbed by the internal heat collecting plate core 1 and improve the heat collecting and insulating performance of the heat collecting plate.
The foregoing is illustrative of the best mode of the utility model and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The scope of the present invention is defined by the appended claims, and any equivalent modifications based on the technical teaching of the present invention are also within the scope of the present invention.
Claims (8)
1. The utility model provides a solar panel with cavity which characterized in that: a closed hollow cavity (2) is arranged inside the heat collecting plate; a heat collecting plate core (1) is arranged in the hollow cavity (2); spacing bars (5) are distributed around the heat collecting plate core (1); the spacing bars (5) are positioned between the light-transmitting plates (3) and the heat-insulating back plate (4); and a sealing structure glue layer (6) is arranged outside the spacing bar (5).
2. A solar collector panel with a hollow cavity as claimed in claim 1, wherein: the sunlight-oriented surface of the heat collection plate core (1) is provided with a light-transmitting plate (3), and the sunlight-oriented surface of the heat collection plate core (1) is provided with a heat-insulating back plate (4).
3. A solar collector panel with a hollow cavity as claimed in claim 1, wherein: the spacing bars (5) are distributed in a square or rectangular shape.
4. A solar collector panel with a hollow cavity as claimed in claim 1, wherein: the front end face of the spacing bar (5) is connected with the wall face of the light-transmitting plate (3), and the rear end face of the spacing bar (5) is connected with the wall face of the heat-insulating back plate (4).
5. A solar collector panel with a hollow cavity as claimed in claim 1, wherein: the adhesive layers (6) of the sealing structure are distributed in a square or rectangular shape.
6. A solar collector panel with a hollow cavity as claimed in claim 1, wherein: the heat-insulation back plate (4) is composed of a fireproof heat-insulation plate in the middle and metal plates on two sides of the fireproof heat-insulation plate.
7. A solar collector panel with a hollow cavity as claimed in claim 1, wherein: two through holes which are vertically arranged are formed in the heat-insulating back plate (4), a heat-conducting liquid inlet pipe is arranged in the lower through hole in a penetrating mode, a heat-conducting liquid outlet pipe is arranged in the upper through hole in a penetrating mode, and the heat-conducting liquid inlet pipe and the heat-conducting liquid outlet pipe are communicated with the inner cavity of the heat collecting plate core (1).
8. A solar collector panel with a hollow cavity as claimed in claim 1, wherein: the light-transmitting plate (3) is made of glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120656321.2U CN216409334U (en) | 2021-03-31 | 2021-03-31 | Solar heat collecting plate with hollow cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120656321.2U CN216409334U (en) | 2021-03-31 | 2021-03-31 | Solar heat collecting plate with hollow cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216409334U true CN216409334U (en) | 2022-04-29 |
Family
ID=81280813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120656321.2U Active CN216409334U (en) | 2021-03-31 | 2021-03-31 | Solar heat collecting plate with hollow cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216409334U (en) |
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2021
- 2021-03-31 CN CN202120656321.2U patent/CN216409334U/en active Active
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