CN106369843A - Air heat collector with solar evacuated tubes - Google Patents
Air heat collector with solar evacuated tubes Download PDFInfo
- Publication number
- CN106369843A CN106369843A CN201610945251.6A CN201610945251A CN106369843A CN 106369843 A CN106369843 A CN 106369843A CN 201610945251 A CN201610945251 A CN 201610945251A CN 106369843 A CN106369843 A CN 106369843A
- Authority
- CN
- China
- Prior art keywords
- shaped inner
- air
- inner tube
- solar energy
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/40—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors
- F24S10/45—Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar collectors the enclosure being cylindrical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/20—Details of absorbing elements characterised by absorbing coatings; characterised by surface treatment for increasing absorption
- F24S70/25—Coatings made of metallic material
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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
Abstract
The invention discloses an air heat collector with solar evacuated tubes. The air heat collector comprises a heat collection tank and the solar evacuated tubes. An air inlet is formed in one end of the heat collection tank, an air outlet is formed in the other end of the heat collection tank, an air intake pipe is arranged inside the heat collection tank, one end of the air intake pipe is sealed, and the other end of the air intake pipe is connected with the air outlet. Each solar evacuated tube is provided with a U-shaped inner tube body, wherein the outer wall of the U-shaped inner tube body is coated with a selective coating, the U-shaped inner tube body is sleeved with an outer tube body, the U-shaped inner tube body and the outer tube body are connected through a sealing plug, and a vacuum cavity is defined by the U-shaped inner tube body, the outer tube body and the sealing plug. The solar evacuated tubes are arranged on the heat collection tank through elastic bases. One end of each U-shaped inner tube body is connected with the air intake pipe, and the other end of each U-shaped inner tube body is connected with the heat collection tank. According to the air heat collector with the solar evacuated tubes, the effect that air stably enters the solar evacuated tubes can be ensured, natural circulation of air inside the solar evacuated tubes can also be ensured, and the advantages that the natural circulation speed of air is high and internal resistance of the components is small are achieved.
Description
Technical field
The present invention relates to solar energy hot technical field, more particularly, to a kind of solar energy vacuum tube air collector.
Background technology
Instantly, the environmental pollution of China is increasingly severe, and the contradiction of economic development and environment protection is more and more prominent.Tradition
The energy, such as oil, natural gas and coal etc., still as the main energy in use, but with environmental requirement and environmental consciousness
Raising, clean energy resource is increasingly taken seriously.Clean energy resource with solar energy as representative has obtained swift and violent development, solar energy
Inexhaustible, in conversion process of energy and contamination-free produces for it, and danger coefficient is extremely low, is ideal
New forms of energy.
A kind of emerging heating equipment based on the heat collector of solar energy vacuum tube, have been widely used for commercial production and
The people's livelihood uses.According to different application targets, the heat transfer medium of solar energy vacuum tube heat collector can be different, the most frequently used biography
Thermal medium is water, is common in the use as water consumption device；In addition also have air, be common in various drying systems or some are heated and are
System.With air for heat transfer medium have the advantage that seal request low, need not be antifreeze and little etc. to device corrosion.But air
Heat transfer also has the shortcomings that conduction of heat is slow, it is slow naturally to circulate, internal drag is big, and this hinders solar energy vacuum tube air collection significantly
The development of hot device and use.
Content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of air naturally circulate soon, device inside resistance
Little solar energy vacuum tube air collector.
For reaching above-mentioned purpose, the present invention adopts the following technical scheme that
A kind of solar energy vacuum tube air collector, comprising:
Heat-collecting box, described heat-collecting box one end is provided with air inlet, and the other end is provided with gas outlet, is additionally provided with inside described heat-collecting box
Air inlet pipe, described air inlet pipe one end closure, the other end is connected with described gas outlet；
Solar energy vacuum tube, described solar energy vacuum tube is provided with u-shaped inner tube, and described u-shaped outer wall of inner tube applies selective painting
Layer, in described u-shaped, tube outside is arranged with outer tube, and described u-shaped inner tube is connected by sealing-plug with described outer tube, described u-shaped inner tube,
Described outer tube forms a vacuum chamber with described sealing-plug, and described solar energy vacuum tube is arranged at described thermal-arrest by elastic base
On case；Described u-shaped inner tube one end connects described air inlet pipe, and the other end connects described heat-collecting box.
Further, the selective coating of described u-shaped outer wall of inner tube coating is black chromium selective coating.
Further, described thermal-arrest chamber interior wall is provided with heat-insulation layer.
Compared with prior art, the invention has the beneficial effects as follows: the present invention provide a kind of solar energy vacuum tube air collection
Hot device is provided with air inlet pipe, and described air inlet pipe is connected with u-shaped inner tube one end, ensure that air steadily enters solar energy evacuated
Pipe, and can guarantee that natural circulation within solar energy vacuum tube for the air.A kind of solar energy vacuum tube air that the present invention provides
Heat collector have the advantages that inner air naturally circulate soon, device inside resistance little.
Brief description
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to required use in embodiment description
Accompanying drawing be briefly described.
Fig. 1 is a kind of partial schematic sectional view of solar energy vacuum tube air collector provided in an embodiment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.Obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Embodiment
Refer to Fig. 1, the present invention provides a kind of solar energy vacuum tube air collector it is characterised in that including: heat-collecting box
10, described heat-collecting box 10 one end is provided with air inlet 11, and the other end is provided with gas outlet 12, is additionally provided with inside described heat-collecting box 10
Air inlet pipe 13, described air inlet pipe 13 1 end closure, the other end is connected with described gas outlet 12；Solar energy vacuum tube 20, described too
Solar energy vacuum pipe 20 is provided with u-shaped inner tube 21, and described u-shaped inner tube 21 outer wall is coated with selective coating, outside described u-shaped inner tube 21
Surface cover is provided with outer tube 22, and described u-shaped inner tube 21 is connected by sealing-plug 23 with described outer tube 22, described u-shaped inner tube 21, described outer
Pipe 23 forms a vacuum chamber 24 with described sealing-plug 23, and described solar energy vacuum tube 20 is arranged at described by elastic base 25
On heat-collecting box 10；Described u-shaped inner tube 21 one end connects described air inlet pipe 13, and the other end connects described heat-collecting box 10.Described thermal-arrest
5 elastic base connectors are provided with case 10, described solar energy vacuum tube 20 is connected by described elastic base connector.Institute
State solar energy vacuum tube 20 and be 5, corresponding 5 elastic base connectors.It is noted that the described sun in the present embodiment
The radical of energy vacuum tube 20 is that one of numerous embodiments select, and the radical of described solar energy vacuum tube 20 is not carried out
Limit, the radical of preferably described solar energy vacuum tube 20 is 2-10 root, specifically depending on actually used situation.The present invention provides
A kind of solar energy vacuum tube air collector be provided with air inlet pipe 13, described air inlet pipe 13 is connected with u-shaped inner tube 21 one end, energy
Enough ensure that air steadily enters solar energy vacuum tube 20, and can guarantee that natural circulation within solar energy vacuum tube 20 for the air.
In order to improve the solution of the present invention further, the selective coating of u-shaped inner tube 21 outer wall coating described in the present embodiment
For black chromium selective coating, the absorption efficiency height to solar radiant energy for the described black chromium selective coating, it is possible to increase solar energy is true
The heating efficiency of blank pipe air collector.
In order to improve the solution of the present invention further, the present embodiment heat-collecting box 10 inwall is provided with heat-insulation layer.In heat-collecting box
10 inwalls arrange heat-insulation layers and can reduce the thermal loss of heat-collecting box 10 it is ensured that the efficiency of solar energy vacuum tube air collector.
The principle of the solar energy vacuum tube air collector that the present invention provides is: Cryogenic air flows into from air inlet 11, enters
Enter air inlet pipe 13, subsequently enter u-shaped inner tube 21 from u-shaped inner tube 21 one end, become high through the heat transfer in u-shaped inner tube 21
Warm air, then from u-shaped inner tube 21 other end out, enters heat-collecting box 10, finally goes out from gas outlet 12.
The air of the solar energy vacuum tube air collector that the present invention provides carrying out heat transfer from entering into, then to from
Open, have a special path it is possible to have the direction of a fixation, this ensure that air can be described solar energy evacuated
Naturally the circulating resistance circulating in pipe air collector and suffering from diminishes, and improves the effect of solar energy vacuum tube air collector
Power.
The above, the only specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any
Those familiar with the art the invention discloses technical scope in, the change or replacement that can readily occur in, all answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention with described scope of the claims should be
Accurate.
Claims (3)
1. a kind of solar energy vacuum tube air collector is it is characterised in that include:
Heat-collecting box (10), described heat-collecting box (10) one end is provided with air inlet (11), and the other end is provided with gas outlet (12), described
It is additionally provided with air inlet pipe (13), described air inlet pipe (13) end closure, the other end and described gas outlet (12) inside heat-collecting box (10)
Connect；
Solar energy vacuum tube (20), described solar energy vacuum tube (20) is provided with u-shaped inner tube (21), and described u-shaped inner tube (21) is outward
Wall is coated with selective coating, is arranged with outer tube (22) outside described u-shaped inner tube (21), and described u-shaped inner tube (21) is outer with described
Pipe (22) passes through sealing-plug (23) and connects, and described u-shaped inner tube (21), described outer tube (23) and described sealing-plug (23) form one
Vacuum chamber (24), described solar energy vacuum tube (20) is arranged on described heat-collecting box (10) by elastic base (25)；Described u-shaped
Inner tube (21) one end connects described air inlet pipe (13), and the other end connects described heat-collecting box (10).
2. solar energy vacuum tube air collector according to claim 1 it is characterised in that: described u-shaped inner tube (21) is outward
The selective coating of wall coating is black chromium selective coating.
3. solar energy vacuum tube air collector according to claim 1 it is characterised in that: described heat-collecting box (10) inwall
It is provided with heat-insulation layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945251.6A CN106369843A (en) | 2016-10-26 | 2016-10-26 | Air heat collector with solar evacuated tubes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945251.6A CN106369843A (en) | 2016-10-26 | 2016-10-26 | Air heat collector with solar evacuated tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106369843A true CN106369843A (en) | 2017-02-01 |
Family
ID=57892839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610945251.6A Pending CN106369843A (en) | 2016-10-26 | 2016-10-26 | Air heat collector with solar evacuated tubes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106369843A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201003872Y (en) * | 2007-01-13 | 2008-01-09 | 吴际云 | Vacuum heat-collecting pipe of solar water heater |
| CN201368602Y (en) * | 2009-03-17 | 2009-12-23 | 陈晓宇 | Vacuum tube combined solar air heating device |
| CN202303991U (en) * | 2011-09-28 | 2012-07-04 | 贾祖仪 | High efficiency coil pipe heat collector |
| CN202393035U (en) * | 2011-11-28 | 2012-08-22 | 江苏贝德莱特太阳能科技有限公司 | Solar energy air heating device |
| CN103900270A (en) * | 2014-03-04 | 2014-07-02 | 河北光源太阳能科技有限公司 | Active circulation heat collection solar thermal collector and using method thereof |
| CN204006729U (en) * | 2014-09-04 | 2014-12-10 | 常传秀 | Heavy caliber glass vacuum tube solar supply changeover device |
| CN204268718U (en) * | 2014-11-12 | 2015-04-15 | 北京四季通热能系统科技有限公司 | A kind of vacuum heat-collecting cast air collector |
| CN205299981U (en) * | 2016-01-07 | 2016-06-08 | 刘敬华 | Vacuum tube solar collector |
-
2016
- 2016-10-26 CN CN201610945251.6A patent/CN106369843A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201003872Y (en) * | 2007-01-13 | 2008-01-09 | 吴际云 | Vacuum heat-collecting pipe of solar water heater |
| CN201368602Y (en) * | 2009-03-17 | 2009-12-23 | 陈晓宇 | Vacuum tube combined solar air heating device |
| CN202303991U (en) * | 2011-09-28 | 2012-07-04 | 贾祖仪 | High efficiency coil pipe heat collector |
| CN202393035U (en) * | 2011-11-28 | 2012-08-22 | 江苏贝德莱特太阳能科技有限公司 | Solar energy air heating device |
| CN103900270A (en) * | 2014-03-04 | 2014-07-02 | 河北光源太阳能科技有限公司 | Active circulation heat collection solar thermal collector and using method thereof |
| CN204006729U (en) * | 2014-09-04 | 2014-12-10 | 常传秀 | Heavy caliber glass vacuum tube solar supply changeover device |
| CN204268718U (en) * | 2014-11-12 | 2015-04-15 | 北京四季通热能系统科技有限公司 | A kind of vacuum heat-collecting cast air collector |
| CN205299981U (en) * | 2016-01-07 | 2016-06-08 | 刘敬华 | Vacuum tube solar collector |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170201 |