CN108362001A - A kind of solar thermal collector and solar water heater - Google Patents
A kind of solar thermal collector and solar water heater Download PDFInfo
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- CN108362001A CN108362001A CN201810158032.2A CN201810158032A CN108362001A CN 108362001 A CN108362001 A CN 108362001A CN 201810158032 A CN201810158032 A CN 201810158032A CN 108362001 A CN108362001 A CN 108362001A
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- air
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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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- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of solar thermal collector and solar water heaters, the solar thermal collector includes frame and the solar vacuum heat-collecting pipe of more side by side parallel being arranged in frame arrangement, the frame includes the side plate of top plate and bottom plate and both sides, in the top plate jack for across the solar vacuum heat-collecting pipe corresponding with being provided on bottom plate, it is provided in each described jack and the matched sleeve gasket of the solar vacuum heat-collecting pipe.
Description
Technical field
The present invention relates to field of solar energy, and in particular to a kind of solar thermal collector and solar water heater.
Background technology
Since oil price is unstable and the limitation etc. of climate change agreement, the importance of new regenerative resource become larger.It can be again
The raw energy includes solar heat, sunlight, biomass energy, wind-force, small power station, underground heat, ocean energy and waste energy etc., and new energy
Source includes fuel cell, liquefaction coal, gasification coal and Hydrogen Energy.Problem is sent out from new regenerative resource, particularly sunlight
The cost of electricity is not up to the power grid par for the cost for being equal to traditional thermal power generation using fossil fuel.But with technology
Progress is persistently reduced from the solar thermal power generation of the solar thermal power generation in new regenerative resource in cost of electricity-generating, and
Generating efficiency is being gradually increased.
Solar energy is converted into thermal energy and relies primarily on heat collector.At present solar thermal collector mainly have vacuum tube collector,
Three kinds of heat pipe collector and vacuum flat plate collector.
The solar thermal collector of existing domestic solar water heater, during flowing in evacuated collector tube by water
Heat is absorbed, since evacuated collector tube is cylindrical-shaped structure, the solar energy irradiation in each face is uneven, therefore, causes at it
The uneven heating of the medium water of interior flowing is even, causes finally storage uneven to the coolant-temperature gage in boiler, there are portion temperatures
Therefore inadequate relatively cold water be easy to cause hot water temperature and does not reach requirement, and in winter, environment temperature is relatively low, general in the north
All over environment temperature in subzero, since the evacuated collector tube of solar thermal collector is arranged at outdoor, then vacuum heat-collecting tube capacity
Easy bursting by freezing causes flow to lose and becomes ice, is further exacerbated by bursting by freezing, causes vicious circle, therefore, existing solar thermal collector
There are the risk of bursting by freezing, safety is relatively low.
Invention content
The purpose of the present invention is that be lacked to solve the non-uniform technology of evacuated collector tube thermal-arrest of solar thermal collector
It falls into, a kind of solar thermal collector and solar water heater is provided, to meet the growing expectation to good life of people.
To achieve the above object, the present invention provides following technical schemes：
A kind of solar thermal collector provided by the invention, which is characterized in that the solar thermal collector include frame and
The solar vacuum heat-collecting pipe for the more side by side parallel arrangement being arranged in the frame, the frame include top plate and bottom plate with
And the side plate of both sides, it is corresponding with being provided on bottom plate for inserting across the solar vacuum heat-collecting pipe in the top plate
Hole is provided with and the matched sleeve gasket of the solar vacuum heat-collecting pipe in each described jack；
The each solar vacuum heat-collecting pipe includes outer glass pipe and inner metal tube, in the outer glass pipe and institute
It states and forms vacuum interlayer between inner metal tube, the both ends sealing of the outer glass pipe is welded on the both ends side wall of the inner metal tube
On, the entrance of each solar vacuum heat-collecting pipe is located at lower end, and outlet is located at upper end, setting in the inner metal tube
It is equipped with bubbler, the bubbler includes the air main pipe being arranged along the spiral inner wall of the inner metal tube and is arranged in institute
Multiple air branch pipes in air main pipe are stated, the inner wall of the inner metal tube is provided with the spiral shell for accommodating the air main pipe
The groove of shape is revolved, the air main pipe is arranged in the groove, and multiple air branch pipes are in air main pipe outer surface
It is arranged on the upper section perpendicular with the length direction of the air main pipe, and towards in the pipe of the inner metal tube, it is multiple
The spacing of air branch pipe is first tapered on the length direction along the air main pipe and is become larger afterwards；
The air main pipe includes air intlet and multiple air outlet slits, and the lower end of the air main pipe is unclosed, institute
The lower end that air intlet is located at the air main pipe, the upper end closed of the air main pipe are stated, multiple air outlet slits are located at
The outside wall surface of the air main pipe and towards on the side in inner metal tube, and be connected respectively with the entrance of the air branch pipe
Logical, each described air branch pipe is " T " shape, and the entrance of the air branch pipe is located at the bottom surface of the "T"-shaped air branch pipe,
The air branch pipe outlet positioned at the "T"-shaped air branch pipe upper top surface, and it is multiple outlet on the upper top surface in etc.
Spacing arranges, and the outlet of each air branch pipe is nozzle type, and the outlet of the air branch pipe has outside fold shape
Edge；Nozzle type outlet is negative throat noz(zle), one end of the entrance of the connection air branch pipe of the negative throat noz(zle) it is transversal
Face is more than the cross section of the outlet of the air branch pipe；
Having heaters is set in the import of the air main pipe, cold air enters after becoming hot-air by the heater
The air intlet, and distribute to each air branch pipe along the air main pipe.
Preferably, the heater is electric heater, and electric heating wire is arranged in the electric heater.
Preferably, the fold shape outer edge is annulus fin shape outer edge or straight ribbed outer edge.
Preferably, the entrance of the "T"-shaped air branch pipe is that arc-shaped transition is connect with air main pipe junction.
Preferably, the solar thermal collector is for further including cold water storage cistern, boiler and branch in solar water heater
Frame, on the bracket, the cold water storage cistern is located at the lower end of the holder, the heat for the frame setting of the solar thermal collector
Water tank is located at the upper end of the holder, and the entrance of the solar vacuum heat-collecting pipe of the solar thermal collector connects the cold water
The outlet of case, the solar vacuum heat-collecting pipe connects the boiler.
Advantageous effect is：
(1) air main pipe and air branch are provided in the inner metal tube of each solar vacuum heat-collecting pipe
Pipe so that the hot-air after heating is injected directly into the inner metal tube, and the medium water in it is heated and disturbed
Stream so that the medium water in it is uniformly mixed, and the temperature for carrying on the back positive side and day side is uniform, meanwhile, hot-air can be with medium
Water directly mixes, and is directly heated to water, improves its efficiency of heating surface；
(2) outlet edge of each air branch pipe is provided with fold shape outer edge, on the one hand, by the way that fold is arranged
Shape outer edge so that when medium water flows through the fold shape outer edge, can fold shape outer edge be set by flow-disturbing, on the other hand,
When hot-air is sprayed via the outlet, it is easily formed bubble, improves its bubbling type, and the flow-disturbing of bubble shape air is with obvious effects,
Its efficiency of heating surface can be further increased.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram of the solar thermal collector of the present invention；
Fig. 2 is the structural schematic diagram of any solar vacuum heat-collecting pipe of the present invention；
Fig. 3 is the structural schematic diagram of the air main pipe and air branch pipe of the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, technical scheme of the present invention will be carried out below
Detailed description.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained all without making creative work
Other embodiment belongs to the range that the present invention is protected.
Shown in Fig. 1-Fig. 3, a kind of bubbling type solar thermal collector provided by the invention, which is characterized in that it is described too
Positive energy heat collector includes frame 1 and the solar vacuum heat-collecting pipe of more side by side parallel being arranged in the frame 1 arrangement
2, the frame 1 includes the side plate 5 of top plate 3, bottom plate 4 and both sides, corresponding with being provided on bottom plate 4 in the top plate 3
For the jack 6 across the solar vacuum heat-collecting pipe 2, it is provided in each described jack 6 true with the solar energy
2 matched sleeve gasket (not shown) of empty set heat pipe；
The each solar vacuum heat-collecting pipe 2 includes outer glass pipe 7 and inner metal tube 8, in the outer glass pipe 7
Vacuum interlayer 9 is formed between the inner metal tube 8, the both ends sealing of the outer glass pipe 7 is welded on the inner metal tube 8
On the side wall of both ends, the entrance of each solar vacuum heat-collecting pipe 2 is located at lower end, and outlet is located at upper end, in the interior gold
The axial location belonged in pipe 8 is provided with bubbler, and the bubbler includes being arranged along the spiral inner wall of the inner metal tube
Air main pipe 10 and the multiple air branch pipes 11 being arranged in the air main pipe, are provided in the inner wall of the inner metal tube
Spiral helicine groove for accommodating the air main pipe, the air main pipe are arranged in the groove, multiple air
Branch pipe 11 arranges on section perpendicular with the length direction of the air main pipe 10 on air main pipe outer surface, and
Towards in the pipe of the inner metal tube 8, the spacing of multiple air branch pipes 11 is along first on the length direction of the air main pipe 10
It is become larger after tapering into；
The air main pipe 10 includes air intlet and multiple air outlet slits, and the lower end of the air main pipe is unclosed,
The air intlet is located at the lower end of the air main pipe, the upper end closed of the air main pipe, multiple air outlet slit positions
In the air main pipe outside wall surface and towards on the side in inner metal tube, and respectively with the entrance phase of the air branch pipe 11
Connection, each described air branch pipe 11 is " T " shape, and the entrance of the air branch pipe 11 is located at the "T"-shaped air branch pipe 11
Bottom surface, the air branch pipe 11 outlet positioned at the "T"-shaped air branch pipe 11 upper top surface, and it is multiple outlet described
It is equally arranged on upper top surface, the outlet of each air branch pipe 11 is nozzle type, and the outlet of the air branch pipe
With fold shape outer edge；The nozzle type outlet is negative throat noz(zle), and the connection air branch pipe of the negative throat noz(zle) enters
The cross section of one end of mouth is more than the cross section of the outlet of the air branch pipe；
Having heaters 12 is set in the import of the air main pipe 10, cold air becomes hot-air by the heater 12
Enter the air intlet afterwards, and each air branch pipe 11 is distributed to along the air main pipe 10.
Preferably, the heater is electric heater, and electric heating wire is arranged in the electric heater.
Preferably, the fold shape outer edge is annulus fin shape outer edge or straight ribbed outer edge.
Preferably, the entrance of the "T"-shaped air branch pipe is that arc-shaped transition is connect with air main pipe junction.
Preferably, the solar thermal collector is for further including cold water storage cistern, boiler and branch in solar water heater
Frame, on the bracket, the cold water storage cistern is located at the lower end of the holder, the heat for the frame setting of the solar thermal collector
Water tank is located at the upper end of the holder, and the entrance of the solar vacuum heat-collecting pipe of the solar thermal collector connects the cold water
The outlet of case, the solar vacuum heat-collecting pipe connects the boiler.
Specific work process：On startup, the cold water is pumped into each solar energy evacuated collection from the cold water storage cistern
In heat pipe, the bottom-up flowing in the solar vacuum heat-collecting pipe constantly absorbs solar heat during flowing
Amount, temperature constantly increase；Meanwhile the electric heater starts, cold air is being pumped to the air main pipe by import
It is electrically heated device heating in the process, the hot-air after heating is evenly distributed to along the bottom-up flowing of air main pipe
In air intake in each air branch pipe, after hot-air enters air intake, flowed along the air branch pipe, and final
It is constantly sprayed into the inner metal tube by the air outlet slit and air nozzle, constantly heats and disturb in described
Medium water in metal tube improves its temperature and being heated evenly property.
Advantageous effect is：
(1) air main pipe and air branch are provided in the inner metal tube of each solar vacuum heat-collecting pipe
Pipe so that the hot-air after heating is injected directly into the inner metal tube, and the medium water in it is heated and disturbed
Stream so that the medium water in it is uniformly mixed, and the temperature for carrying on the back positive side and day side is uniform, meanwhile, hot-air can be with medium
Water directly mixes, and is directly heated to water, improves its efficiency of heating surface；
(2) outlet edge of each air branch pipe is provided with fold shape outer edge, on the one hand, by the way that fold is arranged
Shape outer edge so that when medium water flows through the fold shape outer edge, can fold shape outer edge be set by flow-disturbing, on the other hand,
When hot-air is sprayed via the outlet, it is easily formed bubble, improves its bubbling type, and the flow-disturbing of bubble shape air is with obvious effects,
Its efficiency of heating surface can be further increased.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (5)
1. a kind of solar thermal collector, which is characterized in that the solar thermal collector includes frame and is arranged in the frame
The solar vacuum heat-collecting pipe of interior more side by side parallel arrangement, the frame includes the side plate of top plate and bottom plate and both sides,
The top plate jack for across the solar vacuum heat-collecting pipe corresponding with being provided on bottom plate, described in each
It is provided in jack and the matched sleeve gasket of the solar vacuum heat-collecting pipe；
The each solar vacuum heat-collecting pipe includes outer glass pipe and inner metal tube, the outer glass pipe with it is described interior
Vacuum interlayer is formed between metal tube, the both ends sealing of the outer glass pipe is welded on the both ends side wall of the inner metal tube,
The entrance of each solar vacuum heat-collecting pipe is located at lower end, and outlet is located at upper end, the setting in the inner metal tube
There are bubbler, the bubbler to include the air main pipe being arranged along the spiral inner wall of the inner metal tube and be arranged described
Multiple air branch pipes in air main pipe are provided with the spiral for accommodating the air main pipe in the inner wall of the inner metal tube
The groove of shape, the air main pipe are arranged in the groove, and multiple air branch pipes are on air main pipe outer surface
It is arranged on perpendicular section with the length direction of the air main pipe, and towards in the pipe of the inner metal tube, Duo Gekong
The spacing of gas branch pipe is first tapered on the length direction along the air main pipe and is become larger afterwards；
The air main pipe includes air intlet and multiple air outlet slits, and the lower end of the air main pipe is unclosed, the sky
Gas import is located at the lower end of the air main pipe, the upper end closed of the air main pipe, and multiple air outlet slits are located at described
The outside wall surface of air main pipe and towards on the side in inner metal tube, and be connected respectively with the entrance of the air branch pipe, often
One air branch pipe is " T " shape, and the entrance of the air branch pipe is located at the bottom surface of the "T"-shaped air branch pipe, described
Air branch pipe outlet positioned at the "T"-shaped air branch pipe upper top surface, and it is multiple outlet on the upper top surface equally
The outlet of arrangement, each air branch pipe is nozzle type, and the outlet of the air branch pipe has fold shape outer edge；Institute
It is negative throat noz(zle) to state nozzle type outlet, and the cross section of one end of the entrance of the connection air branch pipe of the negative throat noz(zle) is more than
The cross section of the outlet of the air branch pipe；
Having heaters is set in the import of the air main pipe, cold air becomes entering after hot-air described by the heater
Air intlet, and distribute to each air branch pipe along the air main pipe.
2. solar thermal collector according to claim 1, the heater is electric heater, is arranged in the electric heater
Electric heating wire.
3. solar thermal collector according to claim 1, the fold shape outer edge is for annulus fin shape outer edge or directly
Ribbed outer edge.
4. solar thermal collector according to claim 1, the entrance of the "T"-shaped air branch pipe connects with the air main pipe
It is that arc-shaped transition connects to meet place.
5. a kind of solar water heater comprising according to claim 1-4 any one of them bubbling type solar thermal collectors, also
Including cold water storage cistern, boiler and holder, the frame of the solar thermal collector is arranged on the bracket, the cold water storage cistern position
In the lower end of the holder, the boiler is located at the upper end of the holder, the solar energy evacuated collection of the solar thermal collector
The entrance of heat pipe connects the cold water storage cistern, and the outlet of the solar vacuum heat-collecting pipe connects the boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810158032.2A CN108362001A (en) | 2018-02-25 | 2018-02-25 | A kind of solar thermal collector and solar water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810158032.2A CN108362001A (en) | 2018-02-25 | 2018-02-25 | A kind of solar thermal collector and solar water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108362001A true CN108362001A (en) | 2018-08-03 |
Family
ID=63002807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810158032.2A Pending CN108362001A (en) | 2018-02-25 | 2018-02-25 | A kind of solar thermal collector and solar water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108362001A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2542071A2 (en) * | 1982-09-14 | 1984-09-07 | Sansonetti Dominique | Elemental solar collector under vacuum |
| SU1453125A1 (en) * | 1987-04-27 | 1989-01-23 | Центральный Научно-Исследовательский Институт Механизации И Электрификации Сельского Хозяйства Нечерноземной Зоны Ссср | Inflated solar-power air heater |
| CH698750B1 (en) * | 2004-11-16 | 2009-10-15 | Georges Schlatter | Heat exchanger fitted with thermal solar collector comprises inner pipe, through which stale air is removed, fresh air being fed in through space between it and second pipe, allowing transfer of heat from stale air and from collector |
| CN204358973U (en) * | 2014-11-06 | 2015-05-27 | 张奎民 | Electron tubes type solar heater |
| CN105333699A (en) * | 2015-11-06 | 2016-02-17 | 海宁光泰太阳能工业有限公司 | Solar air heat collecting oven |
-
2018
- 2018-02-25 CN CN201810158032.2A patent/CN108362001A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2542071A2 (en) * | 1982-09-14 | 1984-09-07 | Sansonetti Dominique | Elemental solar collector under vacuum |
| SU1453125A1 (en) * | 1987-04-27 | 1989-01-23 | Центральный Научно-Исследовательский Институт Механизации И Электрификации Сельского Хозяйства Нечерноземной Зоны Ссср | Inflated solar-power air heater |
| CH698750B1 (en) * | 2004-11-16 | 2009-10-15 | Georges Schlatter | Heat exchanger fitted with thermal solar collector comprises inner pipe, through which stale air is removed, fresh air being fed in through space between it and second pipe, allowing transfer of heat from stale air and from collector |
| CN204358973U (en) * | 2014-11-06 | 2015-05-27 | 张奎民 | Electron tubes type solar heater |
| CN105333699A (en) * | 2015-11-06 | 2016-02-17 | 海宁光泰太阳能工业有限公司 | Solar air heat collecting oven |
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| PB01 | Publication | ||
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Application publication date: 20180803 |