CN108397915A - A kind of solar water heater of homogeneous heating - Google Patents
A kind of solar water heater of homogeneous heating Download PDFInfo
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- CN108397915A CN108397915A CN201810180683.1A CN201810180683A CN108397915A CN 108397915 A CN108397915 A CN 108397915A CN 201810180683 A CN201810180683 A CN 201810180683A CN 108397915 A CN108397915 A CN 108397915A
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- air
- pipe
- branch pipe
- solar
- vacuum heat
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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 present invention provides a kind of solar water heaters of homogeneous heating, the solar water heater includes cold water storage cistern, boiler, more solar vacuum heat-collecting pipes, water pump and holder, the more solar vacuum heat-collecting pipes setting is on the bracket, including more solar vacuum heat-collecting pipes arranged in parallel, the upper end of the more solar vacuum heat-collecting pipes connects the boiler, and the lower end of the more solar vacuum heat-collecting pipes connects the cold water storage cistern by water pump.
Description
Technical field
The present invention relates to a kind of water heater, especially a kind of solar water heater of homogeneous heating.
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 water heater of homogeneous heating is provided, to meet the growing expectation to good life of people.
In order to solve the above technical problem, the present invention provides a kind of solar water heaters of homogeneous heating, which is characterized in that
The solar water heater includes cold water storage cistern, boiler, more solar vacuum heat-collecting pipes, water pump and holder, and described more too
Solar energy vacuum thermal-collecting tube is arranged on the bracket, including more solar vacuum heat-collecting pipes arranged in parallel, and described more too
The upper end of solar energy vacuum thermal-collecting tube connects the boiler, and the lower end of the more solar vacuum heat-collecting pipes is connected by water pump
The cold water storage cistern；
The each solar vacuum heat-collecting pipe includes outer glass pipe and inner glass tube, and the both ends of the outer glass pipe are molten
Envelope is arranged at the both ends of the inner glass tube, vacuum interlayer is provided between the outer glass pipe and inner glass tube, described
An air branch pipe is both provided in each inner glass tube, each air branch pipe is arranged in the inner glass tube
Interior in the shade side, each air branch pipe include at least four air smaller branch pipes, between adjacent air smaller branch pipe
It is linked together by connection ring transition, the cross section of each air smaller branch pipe is arc, the air smaller branch pipe
Central angle becomes larger along water (flow) direction in the solar vacuum heat-collecting pipe, close to the air ramuscule of the entrance of the flow
The central angle of pipe is minimum, and the central angle close to the air smaller branch pipe of the outlet of the flow is maximum, and the air smaller branch pipe
Center of maximum angle is no more than 180 °, and the central angle of at least four air smaller branch pipes is along in the solar vacuum heat-collecting pipe
Water (flow) direction is become larger with identical difference, one end end of the air smaller branch pipe at center of maximum angle water adjacent thereto
The air smaller branch pipe of stream upside is connected, other end closing；
Multiple air holes are provided on the outer wall towards in the shade side of each air smaller branch pipe, the other side
Air hole is not provided on outer wall, the multiple air hole is arranged in array on the outer wall, adjacent two air ramuscules
The quantity of air hole on pipe is unequal, institute in each described air smaller branch pipe at least four air smaller branch pipes
Including the quantity of air hole become larger along the water (flow) direction；
Further include the air main pipe being arranged outside the solar vacuum heat-collecting pipe, air main pipe setting it is described too
Solar energy vacuum thermal-collecting tube lower end outside, and its extending direction and the solar vacuum heat-collecting pipe are perpendicular, the air main pipe
One end closing, another end opening simultaneously connects heater, and the entrance JA(junction ambient) air of the heater, the heater goes out
The opening for mouthful connecting the air main pipe, be evenly arranged on the side wall of the air main pipe it is multiple respectively with the solar energy
The each one-to-one air intake of air branch pipe in evacuated collector tube, the cross section of the air intake be it is arc-shaped,
The end of each air branch pipe is inserted into the air intake, and each air branch pipe is inserted into the air intake
Part length it is inconsistent.
Preferably, each air branch pipe is inserted into the length of the part in the air intake from the air main pipe
Open at one end to the air main pipe closing one end it is progressively longer.
Preferably, the heater is electric heater or waste-heat recoverer.
Preferably, the connection ring is arc-shaped shape connection ring, and cross-sectional area is from an air smaller branch pipe to another
A piece air smaller branch pipe becomes larger.
Preferably, each described air hole is nozzle type through-hole, and the cross-sectional area of the air hole is from the sky
It is become larger to outside pipe in the pipe of gas smaller branch pipe.
Preferably, the side outlet edge towards aqueous medium of each air hole has fold shape outer edge.
Technical scheme of the present invention has advantageous effect below：
(1) it is provided with air branch pipe in the interior glass of each solar vacuum heat-collecting pipe so that by heating
Hot-air afterwards is injected directly by the air hole in the interior glass, 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) length the opening from the air main pipe for the part that each air branch pipe is inserted into the air intake
Closing one end of mouth one end to the air main pipe is progressively longer, so that hot-air is equal in the air main pipe
It is even to distribute to each air branch pipe, its distributing uniformity is improved, the heating uniformity to aqueous medium is further increased.
(3) 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；
(4) central angle of the air branch pipe becomes larger, therefore, between the inner glass tube and the air branch pipe
It is reserved for water flow medium by free air space then taper into, then as the flowing of flow constantly increases its flow velocity, have
Conducive to the efficiency of acceleration system cycle.
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 water heater of the present invention；
Fig. 2 is the cross section structure schematic diagram of any solar vacuum heat-collecting pipe of the present invention；
Fig. 3 is the structural schematic diagram of any air smaller 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.
As shown in Figs. 1-3, a kind of solar water heater of homogeneous heating, which is characterized in that the solar water heater includes
Cold water storage cistern 1, boiler 2, more solar vacuum heat-collecting pipes 3, water pump 4 and holder 5, the more solar vacuum heat-collecting pipes
3 are arranged on the holder 5, including more solar vacuum heat-collecting pipes 3 arranged in parallel, the more solar energy vacuum heat collectings
The upper end of pipe 3 connects the boiler 2, and the lower end of the more solar vacuum heat-collecting pipes 3 connects the cold water by water pump
Case 1；
Each solar vacuum heat-collecting pipe 3 includes outer glass pipe 6 and inner glass tube 7, and the two of the outer glass pipe 6
End sealing is arranged at the both ends of the inner glass tube 7, and vacuum interlayer is provided between the outer glass pipe 6 and inner glass tube 7
8, an air branch pipe 9 is both provided in each inner glass tube 7, each setting of the air branch pipe 9 exists
In the shade side in the inner glass tube 7, each air branch pipe 9 includes at least four air smaller branch pipes 10, adjacent
Air smaller branch pipe 10 between linked together by 11 transition of connection ring, the cross section of each air smaller branch pipe 10 is
The central angle of arc, the air smaller branch pipe 10 becomes larger along water (flow) direction in the solar vacuum heat-collecting pipe 3, close
The central angle of the air smaller branch pipe 10 of the entrance of the flow is minimum, in the air smaller branch pipe 10 of the outlet of the flow
Heart angle is maximum, and the center of maximum angle of the air smaller branch pipe is no more than 180 °, at least four air smaller branch pipes 10
Heart angle is become larger along water (flow) direction in the solar vacuum heat-collecting pipe 3 with identical difference, the center of maximum angle
Air smaller branch pipe 10 on the upside of the flow adjacent thereto of one end end of air smaller branch pipe 10 is connected, other end closing；
Multiple air holes 12 are provided on the outer wall towards in the shade side of each air smaller branch pipe 10, it is another
Air hole is not provided on the outer wall of side, the multiple air hole 12 is arranged in array on the outer wall, adjacent two skies
The quantity of air hole 12 in gas smaller branch pipe 10 is unequal, each described sky at least four air smaller branch pipes 10
The quantity of included air hole 12 becomes larger along the water (flow) direction in gas smaller branch pipe 10；
Further include the air main pipe 13 being arranged outside the solar vacuum heat-collecting pipe 3, the setting of air main pipe 13 exists
3 lower end outside of the solar vacuum heat-collecting pipe, and its extending direction and the solar vacuum heat-collecting pipe 3 are perpendicular, it is described
One end of air main pipe 13 is closed, and another end opening simultaneously connects heater 14, the entrance JA(junction ambient) air of the heater 14,
The outlet of the heater 14 connects the opening of the air main pipe 13, is evenly arranged on the side wall of the air main pipe 13
It is multiple (not show in figure with each one-to-one air intake of air branch pipe in the solar vacuum heat-collecting pipe 3 respectively
Go out), the cross section of the air intake is arc-shaped, and the end of each air branch pipe 9 is inserted into the air intake, and every
The length that a piece air branch pipe 9 is inserted into the part in the air intake is inconsistent.
Preferably, each air branch pipe 9 is inserted into the length of the part in the air intake from air mother
Closing one end of the open at one end of pipe 13 to the air main pipe 13 is progressively longer.
Preferably, the heater 14 is electric heater or waste-heat recoverer.
Preferably, the connection ring 11 be arc-shaped shape connection ring, cross-sectional area from an air smaller branch pipe to
Another air smaller branch pipe becomes larger.
Preferably, each described air hole 12 is nozzle type through-hole, and the cross-sectional area of the air hole 12 is from institute
It states and is become larger to outside pipe in the pipe of air smaller branch pipe.
Preferably, the side outlet edge towards aqueous medium of each air hole 12 has outside fold shape
Edge.
Technical scheme of the present invention has advantageous effect below：
(1) it is provided with air branch pipe in the interior glass of each solar vacuum heat-collecting pipe so that by heating
Hot-air afterwards is injected directly by the air hole in the interior glass, 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) length the opening from the air main pipe for the part that each air branch pipe is inserted into the air intake
Closing one end of mouth one end to the air main pipe is progressively longer, so that hot-air is equal in the air main pipe
It is even to distribute to each air branch pipe, its distributing uniformity is improved, the heating uniformity to aqueous medium is further increased.
(3) 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；
(4) central angle of the air branch pipe becomes larger, therefore, between the inner glass tube and the air branch pipe
It is reserved for water flow medium by free air space then taper into, then as the flowing of flow constantly increases its flow velocity, have
Conducive to the efficiency of acceleration system cycle.
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 (6)
1. a kind of solar water heater of homogeneous heating, which is characterized in that the solar water heater include cold water storage cistern, boiler,
More solar vacuum heat-collecting pipes, water pump and holder, the more solar vacuum heat-collecting pipes setting on the bracket, are wrapped
More solar vacuum heat-collecting pipes arranged in parallel are included, the upper end of the more solar vacuum heat-collecting pipes connects the hot water
The lower end of case, the more solar vacuum heat-collecting pipes connects the cold water storage cistern by water pump；
The each solar vacuum heat-collecting pipe includes outer glass pipe and inner glass tube, and the both ends sealing of the outer glass pipe is set
It sets at the both ends of the inner glass tube, vacuum interlayer is provided between the outer glass pipe and inner glass tube, described each
An air branch pipe is both provided in inner glass tube described in root, each air branch pipe is arranged in the inner glass tube
In the shade side, each air branch pipe include at least four air smaller branch pipes, are passed through between adjacent air smaller branch pipe
Connection ring transition links together, and the cross section of each air smaller branch pipe is arc, the center of the air smaller branch pipe
Angle becomes larger along water (flow) direction in the solar vacuum heat-collecting pipe, the air smaller branch pipe of the entrance of the close flow
Central angle is minimum, and the central angle close to the air smaller branch pipe of the outlet of the flow is maximum, and the maximum of the air smaller branch pipe
Central angle is no more than 180 °, and the central angle of at least four air smaller branch pipes is along flow in the solar vacuum heat-collecting pipe
Direction is become larger with identical difference, in the flow adjacent thereto of one end end of the air smaller branch pipe at the center of maximum angle
The air smaller branch pipe of side is connected, other end closing；
Multiple air holes, the outer wall of the other side are provided on the outer wall towards in the shade side of each air smaller branch pipe
On be not provided with air hole, the multiple air hole is arranged in array on the outer wall, in adjacent two air smaller branch pipes
Air hole quantity it is unequal, it is included in each described air smaller branch pipe at least four air smaller branch pipes
The quantity of air hole become larger along the water (flow) direction；
Further include the air main pipe being arranged outside the solar vacuum heat-collecting pipe, the air main pipe is arranged in the solar energy
Evacuated collector tube lower end outside, and its extending direction and the solar vacuum heat-collecting pipe are perpendicular, the one of the air main pipe
End seal is closed, and another end opening simultaneously connects heater, the entrance JA(junction ambient) air of the heater, and the outlet of the heater connects
The opening for connecing the air main pipe, be evenly arranged on the side wall of the air main pipe it is multiple respectively with it is described solar energy evacuated
The each one-to-one air intake of air branch pipe in thermal-collecting tube, the cross section of the air intake be it is arc-shaped, it is each
The end of root air branch pipe is inserted into the air intake, and each air branch pipe is inserted into the portion in the air intake
The length divided is inconsistent.
2. the solar water heater of homogeneous heating according to claim 1, each air branch pipe is inserted into the sky
The length of part in gas entrance is progressively longer from closing one end of open at one end to the air main pipe of the air main pipe.
3. the solar water heater of homogeneous heating according to claim 1, the heater is that electric heater or waste heat return
Receive device.
4. the solar water heater of homogeneous heating according to claim 1, the connection ring is arc-shaped shape connection ring,
Cross-sectional area becomes larger from an air smaller branch pipe to another air smaller branch pipe.
5. the solar water heater of homogeneous heating according to claim 1, each described air hole is logical for nozzle type
The cross-sectional area in hole, the air hole becomes larger out of the air smaller branch pipe pipe to outside pipe.
6. the solar water heater of homogeneous heating according to claim 1, each air hole is situated between towards water
The side outlet edge of matter has fold shape outer edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180683.1A CN108397915A (en) | 2018-03-05 | 2018-03-05 | A kind of solar water heater of homogeneous heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810180683.1A CN108397915A (en) | 2018-03-05 | 2018-03-05 | A kind of solar water heater of homogeneous heating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108397915A true CN108397915A (en) | 2018-08-14 |
Family
ID=63092374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810180683.1A Pending CN108397915A (en) | 2018-03-05 | 2018-03-05 | A kind of solar water heater of homogeneous heating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108397915A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08296905A (en) * | 1995-04-27 | 1996-11-12 | Mitsuyoshi Kitazawa | Cone-shaped solar water-heater |
| CN2890754Y (en) * | 2006-02-23 | 2007-04-18 | 临沂华奥新能源设备有限公司 | Split type solar water heater |
| CN102297526A (en) * | 2010-06-22 | 2011-12-28 | 李占武 | Solar water heater |
| CN106091415A (en) * | 2016-08-04 | 2016-11-09 | 福建工程学院 | A kind of air vacuum tube solar thermal collector |
-
2018
- 2018-03-05 CN CN201810180683.1A patent/CN108397915A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08296905A (en) * | 1995-04-27 | 1996-11-12 | Mitsuyoshi Kitazawa | Cone-shaped solar water-heater |
| CN2890754Y (en) * | 2006-02-23 | 2007-04-18 | 临沂华奥新能源设备有限公司 | Split type solar water heater |
| CN102297526A (en) * | 2010-06-22 | 2011-12-28 | 李占武 | Solar water heater |
| CN106091415A (en) * | 2016-08-04 | 2016-11-09 | 福建工程学院 | A kind of air vacuum tube solar thermal collector |
Non-Patent Citations (1)
| Title |
|---|
| 苗军等: "环隙通道中引入空气强化传热的研究", 《中国工程热物理学会多相流学术会议论文集中国计量测试学会第七届多相流测试技术会》 * |
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Application publication date: 20180814 |