CN220250336U - Photovoltaic direct-drive solar air heat collector - Google Patents
Photovoltaic direct-drive solar air heat collector Download PDFInfo
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- CN220250336U CN220250336U CN202321942267.3U CN202321942267U CN220250336U CN 220250336 U CN220250336 U CN 220250336U CN 202321942267 U CN202321942267 U CN 202321942267U CN 220250336 U CN220250336 U CN 220250336U
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- 238000005192 partition Methods 0.000 claims abstract description 25
- 238000000576 coating method Methods 0.000 claims abstract description 10
- 239000011248 coating agent Substances 0.000 claims abstract description 9
- 239000011521 glass Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000003071 parasitic effect Effects 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- Y02E10/50—Photovoltaic [PV] energy
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to the technical field of solar heat collectors, and particularly discloses a photovoltaic direct-driven solar air heat collector. The solar heat collector comprises a bottom frame, wherein a heat collector cavity is fixedly connected to the upper side of the bottom frame, a pair of parallel partition plates are symmetrically arranged in the heat collector cavity, a photovoltaic photo-thermal assembly is arranged between the partition plates, an air inlet and an air outlet which are communicated with the photovoltaic photo-thermal assembly are formed in one side of the heat collector cavity, and fans are arranged at the air inlet and the air outlet. According to the utility model, the first heat collecting pipe is arranged to heat the air entering the pipe while cooling the solar photovoltaic panel, the second heat collecting pipe is arranged and the heat absorbing coating is coated on the straight pipe section of the second heat collecting pipe, so that the air can be further heated and then conveyed to the room for use by the fan at the air outlet, the heat collecting effect is better, the solar energy utilization rate is higher, the solar photovoltaic panel is electrically connected with the fan, the fan is directly driven to work, the heat collector does not need to be connected with the indoor conventional power supply during work, the cost is reduced, and the energy conservation and emission reduction are facilitated.
Description
Technical Field
The utility model relates to the technical field of solar heat collectors, in particular to a photovoltaic direct-drive solar air heat collector.
Background
The solar air collector is a common solar heat utilization device, takes air as a heat transfer medium, and transmits the collected heat to a functional end, and has the advantages of simple structure, low cost, large solar radiation receiving area, wide application in building heating, product drying and the like. The existing solar air collector has poor heat collection effect, insufficient heat exchange and low solar energy utilization rate; the existing solar air collector integrates a solar photovoltaic panel, but only parasitic heat energy generated during photoelectric exchange of the solar photovoltaic panel can heat air, so that the heat collecting efficiency is low; the existing solar air heat collector is mostly connected with an indoor conventional power supply during working, has high use cost and is not beneficial to energy conservation and emission reduction.
Disclosure of Invention
The utility model aims to provide a photovoltaic direct-drive solar air collector so as to solve the problems in the background technology.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a photovoltaic direct-driven solar air collector, includes the chassis, chassis upside fixedly connected with collector cavity, the inside symmetry of collector cavity is equipped with a pair of parallel baffle, install photovoltaic light and heat subassembly between the baffle, one side of collector cavity be equipped with the communicating air intake and the air outlet of photovoltaic light and heat subassembly, the fan is all installed to air intake and air outlet department.
Further, the partition plates are arranged at intervals with the front side and the rear side of the heat collector cavity.
Further, the photovoltaic photo-thermal assembly comprises a first heat collecting tube and a second heat collecting tube which are fixedly connected between the partition plates, the first heat collecting tube is arranged above the second heat collecting tube, one ends of the first heat collecting tube and the second heat collecting tube are fixedly communicated through connecting pipes, and the other ends of the first heat collecting tube and the second heat collecting tube are fixedly communicated with the air inlet and the air outlet respectively.
Further, the first heat collecting pipe and the second heat collecting pipe are coiled pipes, the outer surfaces of the straight pipe sections of the second heat collecting pipe are coated with heat absorption coatings, the bent pipe sections of the first heat collecting pipe and the second heat collecting pipe penetrate through the partition plate and extend into the space between the partition plate and the front side and the rear side of the heat collector cavity, and the straight pipe sections of the first heat collecting pipe and the second heat collecting pipe are staggered on the overlook plane.
Further, photovoltaic photo-thermal assembly still includes the mounting panel of fixed connection between the baffle, the mounting panel is the metal sheet of bending that the cross section is great wall form, the straight tube section of second thermal-collecting tube is established directly over the concave surface of mounting panel, the straight tube section of first thermal-collecting tube is established under the convex surface of mounting panel, inlay on the convex surface of mounting panel and install solar photovoltaic board, solar photovoltaic board downside fixedly connected with heat conduction board, heat conduction board downside and the straight tube section laminating setting of first thermal-collecting tube.
Further, a glass cover plate fixedly connected with the mounting plate is arranged above the second heat collecting pipe.
Further, the glass cover plate is a condensing glass cover plate.
Further, heat preservation materials are filled between the lower sides of the mounting plates and the partition plates and the bottom of the heat collector cavity.
Further, the solar photovoltaic panel is electrically connected with the fan.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the photovoltaic photo-thermal assembly comprises the first heat collecting pipe and the second heat collecting pipe, when air pumped by the fan at the air inlet passes through the straight pipe section of the first heat collecting pipe, parasitic heat energy generated by the back of the solar photovoltaic panel when the solar photovoltaic panel absorbs solar energy to generate electric energy is absorbed by the heat conducting plate, the air can be heated while the solar photovoltaic panel is cooled, and then the air enters the second heat collecting pipe, and the air can be further heated as the straight pipe section of the second heat collecting pipe is coated with the heat absorbing coating, so that the hot air with better quality is finally conveyed to the room for use through the fan at the air outlet, the heat collecting effect is better, and the solar energy utilization rate is higher; (2) according to the utility model, the solar photovoltaic panel is electrically connected with the fan, on one hand, direct current emitted by the solar photovoltaic panel is changed into alternating current through the inverter and is supplied to household appliances for use, and on the other hand, the solar photovoltaic panel is electrically connected with the fan and can also directly drive the fan to work, so that the heat collector does not need to be connected with an indoor conventional power supply when in work, the cost is reduced, and the energy conservation and emission reduction are facilitated.
Drawings
The utility model is described in detail below with reference to the attached drawing figures and the detailed description:
fig. 1 is a schematic structural diagram of a photovoltaic direct-drive solar air collector according to an embodiment of the present utility model;
fig. 2 is another schematic structural diagram of a photovoltaic direct-drive solar air collector according to an embodiment of the present utility model;
FIG. 3 is a schematic cross-sectional view of a photovoltaic direct-drive solar air collector according to an embodiment of the present utility model, wherein the internal structure of the photovoltaic direct-drive solar air collector is highlighted;
fig. 4 is a schematic structural diagram of a photovoltaic photo-thermal module according to an embodiment of the present utility model;
fig. 5 is a schematic view of an installation structure of a first heat collecting tube and a second heat collecting tube according to an embodiment of the present utility model.
The marks in the drawings are: 1. a chassis; 2. a collector cavity; 3. a partition plate; 4. a mounting plate; 41. a concave surface; 42. a convex surface; 5. a first heat collecting pipe; 6. a second heat collecting pipe; 61. a heat absorbing coating; 7. a connecting pipe; 8. a glass cover plate; 9. a solar photovoltaic panel; 10. a heat conductive plate; 11. a thermal insulation material; 12. a blower.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
As shown in fig. 1-5, the photovoltaic direct-driven solar air collector provided by the embodiment of the utility model comprises a bottom frame 1 fixedly installed on the ground or a building roof, wherein the upper side of the bottom frame 1 is fixedly connected with a collector cavity 2, a pair of parallel partition plates 3 are symmetrically arranged in the collector cavity 2, the partition plates 3 are preferably transversely arranged in the collector cavity 2, a photovoltaic photo-thermal assembly is installed between the partition plates 3, one side of the collector cavity 2 is provided with an air inlet and an air outlet, and the air inlet and the air outlet are both communicated with the photovoltaic photo-thermal assembly. In addition, fan 12 is all installed to air intake and air outlet department, and fan 12 all prefers centrifugal fan, because its unique "spiral case" structure, gaseous very big pressure that can produce, and it is more violent to admit air and give vent to anger.
Specifically, the above-mentioned partition plates 3 are all disposed at intervals from the front side and the rear side of the heat collector chamber 2, that is, a certain space is provided between the above-mentioned partition plates 3 and the front side and the rear side of the heat collector chamber 2, and the space between the two partition plates 3 is much larger than any space between the partition plates 3 and the front side and the rear side of the heat collector chamber 2.
As shown in fig. 2-5, the photovoltaic photo-thermal assembly provided by the embodiment of the utility model comprises a first heat collecting tube 5 and a second heat collecting tube 6, wherein the first heat collecting tube 5 and the second heat collecting tube 6 are fixedly connected between the partition plates 3, the first heat collecting tube 5 is arranged above the second heat collecting tube 6, one end of the first heat collecting tube 5 and one end of the second heat collecting tube 6 are fixedly communicated, and the first heat collecting tube 5 and one end of the second heat collecting tube 6 are preferably fixedly communicated together through a connecting tube 7, in addition, the other ends of the first heat collecting tube 5 and the second heat collecting tube 6 are respectively fixedly communicated with the air inlet and the air outlet.
Particularly, the first heat collecting tube 5 and the second heat collecting tube 6 provided by the embodiment of the utility model are preferably coiled tubes, and the arrangement of the two coiled tubes can ensure that the air stays in the heat collector for a long enough time to fully exchange heat. The outer surface of the straight tube section of the second heat collecting tube 6 is coated with a heat absorbing coating 61, and the air passing through the straight tube section of the second heat collecting tube 6 can be heated, and preferably the heat absorbing coating 61 has spectral selectivity, which is advantageous for sufficiently absorbing solar energy and sufficiently heating the passing air in the tube.
The bent pipe sections of the first heat collecting pipe 5 and the second heat collecting pipe 6 penetrate through the partition plate 3 and extend into the space area between the partition plate 3 and the front side and the rear side of the heat collector cavity 2, and the straight pipe sections of the first heat collecting pipe 5 and the second heat collecting pipe 6 are staggered on the top plane, so that the reason for this arrangement is that the heat absorbing coating 61 on the straight pipe section of the second heat collecting pipe 6 can absorb solar energy and then transmit the solar energy to the air passing through the pipe.
Specifically, the photovoltaic photo-thermal assembly provided by the embodiment of the utility model further comprises a mounting plate 4, and the mounting plate 4 is fixedly connected between the partition plates 3. The mounting plate 4 is a bent metal plate with a great wall shape in cross section, which can be called a great wall plate, and the nature of the mounting plate is that the surface of the mounting plate is provided with a concave-convex structure, namely, the mounting plate 4 is provided with a concave surface 41 and a convex surface 42. The straight pipe section of the second heat collecting pipe 6 is arranged right above the concave surface 41 of the mounting plate 4, the straight pipe section of the first heat collecting pipe 5 is arranged right below the convex surface 42 of the mounting plate 4, the convex surface 42 of the mounting plate 4 is embedded and provided with a solar photovoltaic panel 9, the lower side of the solar photovoltaic panel 9 is fixedly connected with a heat conducting plate 10, and the lower side of the heat conducting plate 10 is attached to the straight pipe section of the first heat collecting pipe 5. Therefore, one function of the mounting plate 4 is to facilitate the mounting of the solar photovoltaic panel 9, so that the air can absorb the heat energy generated at the back of the solar photovoltaic panel 9 in the photoelectric exchange process when passing through the straight pipe section of the first heat collecting pipe 5, and cool the solar photovoltaic panel 9, and the other function is to separate the first heat collecting pipe 5 from the second heat collecting pipe 6, and the two have the capability of working independently.
As shown in fig. 1 and 3, a glass cover plate 8 fixedly connected with the mounting plate 4 is arranged above the second heat collecting tube 6, and the glass cover plate 8 is a condensing glass cover plate, so that sunlight is focused on the straight tube section of the first heat collecting tube 5 by utilizing the principle of a convex lens, and the heat absorbing coating 61 is convenient for fully absorbing solar energy.
For heat preservation and insulation, a heat preservation material 11 is filled between the lower sides of the mounting plate 4 and the partition plate 3 and the bottom of the heat collector cavity 2.
Specifically, the solar photovoltaic panel 9 is electrically connected with the fan 12, on one hand, direct current emitted by the solar photovoltaic panel 9 is changed into alternating current through the inverter, and the alternating current is supplied to household appliances; on the other hand, the solar photovoltaic panel 9 is electrically connected with the fan 12, and can also directly drive the fan 12 to work.
The fans 12 are respectively arranged at the air inlet and the air outlet, the fans 12 of the air inlet can extract indoor air to enter the heat collector for heating, and then the indoor air is transmitted to the room through the fans 12 of the air outlet, so that the indoor temperature of the building can be increased more quickly; in addition, the fan 12 of the air inlet can directly extract outdoor fresh air to enter the heat collector for heating, and then the outdoor fresh air is transmitted to the room through the fan 12 of the air outlet, so that the room is heated, ventilated, dehumidified, and the indoor air is warmer and healthier.
In summary, the working principle of the utility model is as follows: the fan 12 of the air inlet pumps air into the heat collector, firstly, the air enters the first heat collecting pipe 5, when passing through the straight pipe section of the first heat collecting pipe 5, the air can absorb parasitic heat energy generated at the back of the solar photovoltaic panel 9 in the photoelectric exchange process, and the air can be heated while the solar photovoltaic panel 9 is cooled, so that the air can fully utilize solar energy or further improve the heat collecting efficiency of the heat collector, and then enters the second heat collecting pipe 6, and the air passing through the first heat collecting pipe can be further heated as the straight pipe section of the second heat collecting pipe 6 is coated with the heat absorbing coating 61, and finally, the hot air with better quality is conveyed to the room for use through the fan 12 of the air outlet.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a photovoltaic direct-driven solar air collector, includes chassis (1), its characterized in that, chassis (1) upside fixedly connected with heat collector cavity (2), heat collector cavity (2) inside symmetry is equipped with a pair of parallel baffle (3), install photovoltaic photo-thermal module between baffle (3), one side of heat collector cavity (2) be equipped with the communicating air intake and the air outlet of photovoltaic photo-thermal module, fan (12) are all installed to air intake and air outlet department.
2. The photovoltaic direct-drive solar air collector according to claim 1, wherein the separator plates (3) are arranged at intervals from the front side and the rear side of the collector cavity (2).
3. The photovoltaic direct-driven solar air collector according to claim 2, wherein the photovoltaic photo-thermal assembly comprises a first heat collecting tube (5) and a second heat collecting tube (6) which are fixedly connected between the partition plates (3), the first heat collecting tube (5) is arranged above the second heat collecting tube (6), one ends of the first heat collecting tube (5) and the second heat collecting tube (6) are fixedly communicated through a connecting tube (7), and the other ends of the first heat collecting tube (5) and the second heat collecting tube (6) are fixedly communicated with an air inlet and an air outlet respectively.
4. A photovoltaic direct-driven solar air collector according to claim 3, characterized in that the first heat collecting pipe (5) and the second heat collecting pipe (6) are coiled pipes, the outer surface of the straight pipe section of the second heat collecting pipe (6) is coated with a heat absorbing coating (61), the bent pipe sections of the first heat collecting pipe (5) and the second heat collecting pipe (6) penetrate through the partition plate (3) and extend into the space between the partition plate (3) and the front side and the rear side of the heat collector cavity (2), and the straight pipe sections of the first heat collecting pipe (5) and the second heat collecting pipe (6) are staggered on a top view plane.
5. The photovoltaic direct-driven solar air collector according to claim 4, wherein the photovoltaic photo-thermal assembly further comprises a mounting plate (4) fixedly connected between the partition plates (3), the mounting plate (4) is a bent metal plate with a great wall-shaped cross section, the straight pipe section of the second heat collecting pipe (6) is arranged right above the concave surface (41) of the mounting plate (4), the straight pipe section of the first heat collecting pipe (5) is arranged right below the convex surface (42) of the mounting plate (4), the solar photovoltaic plate (9) is embedded and mounted on the convex surface (42) of the mounting plate (4), the lower side of the solar photovoltaic plate (9) is fixedly connected with a heat conducting plate (10), and the lower side of the heat conducting plate (10) is in fit with the straight pipe section of the first heat collecting pipe (5).
6. The photovoltaic direct-driven solar air collector according to claim 5, wherein a glass cover plate (8) fixedly connected with the mounting plate (4) is arranged above the second heat collecting tube (6).
7. The photovoltaic direct-drive solar air collector according to claim 6, characterized in that the glass cover plate (8) is a concentrating glass cover plate.
8. The photovoltaic direct-drive solar air collector according to claim 6, characterized in that a thermal insulation material (11) is filled between the underside of the mounting plate (4) and the partition plate (3) and the bottom of the collector cavity (2).
9. The photovoltaic direct-drive solar air collector according to claim 5, characterized in that the solar photovoltaic panel (9) is electrically connected with a fan (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321942267.3U CN220250336U (en) | 2023-07-24 | 2023-07-24 | Photovoltaic direct-drive solar air heat collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321942267.3U CN220250336U (en) | 2023-07-24 | 2023-07-24 | Photovoltaic direct-drive solar air heat collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220250336U true CN220250336U (en) | 2023-12-26 |
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ID=89270808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321942267.3U Active CN220250336U (en) | 2023-07-24 | 2023-07-24 | Photovoltaic direct-drive solar air heat collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220250336U (en) |
-
2023
- 2023-07-24 CN CN202321942267.3U patent/CN220250336U/en active Active
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