CN109654753A - A kind of plain type optically focused water heater - Google Patents
A kind of plain type optically focused water heater Download PDFInfo
- Publication number
- CN109654753A CN109654753A CN201910139615.5A CN201910139615A CN109654753A CN 109654753 A CN109654753 A CN 109654753A CN 201910139615 A CN201910139615 A CN 201910139615A CN 109654753 A CN109654753 A CN 109654753A
- Authority
- CN
- China
- Prior art keywords
- thermal
- collecting tube
- solar panel
- shell
- collecting
- 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.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
- F24S23/82—Arrangements for concentrating solar-rays for solar heat collectors with reflectors characterised by the material or the construction of the reflector
-
- 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
- F24S10/74—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits the tubular conduits are not fixed to heat absorbing plates and are not touching each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/30—Arrangements for concentrating solar-rays for solar heat collectors with lenses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
-
- 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
-
- 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
- Y02E10/47—Mountings or tracking
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Resistance Heating (AREA)
Abstract
The present invention relates to a kind of plain type optically focused water heaters, including condenser and heater, and wherein condenser includes pedestal, are fixed with the solar panel of dome shape on the base, and optically focused plate surface is provided with reflective layer；Support base is connected with by support rod in the middle part of the spherical surface that pedestal corresponds to solar panel, collecting lens is provided in the middle part of support base, collecting lens is located at the sphere center position of the spherical surface of solar panel；Heater includes the shell being fixed in support base, outer casing inner wall is also equipped with reflective layer, it is provided with thermal-collecting tube assembly inside the housing, thermal-collecting tube assembly includes several thermal-collecting tubes being fixedly connected by connecting bracket, thermal-collecting tube opposite shell axis annular array arrangement, the light inlet injected for light is provided in the bottom of shell, the closed end of thermal-collecting tube is located at light inlet, the open end of thermal-collecting tube is located at cover top portion, the open end of each thermal-collecting tube is connected on thermal-arrest cavity, is connected with cold water inlet and hot water outlet pipe on the top of thermal-arrest cavity.
Description
Technical field
The present invention relates to a kind of plain type optically focused water heaters, belong to solar water heater field.
Background technique
The application be application No. is: 2016109970731, a kind of entitled divisional application of plain type optically focused water heater.
Solar water heater is widely used in some fuel fortune as a kind of recyclable and passive type heating means
Defeated not very convenient area often uses the solar water heater of some cooking-pot types, this kind of solar water in these areas
Device structure is simple, and heating efficiency is relatively high, and very adaptation mountain area uses, but such water heater is there is also many deficiencies,
Firstly, such water heater is generally by the way that a water storage container to be placed on cooking-pot type reflecting plate, the solar energy temperature after optically focused compared with
Height, picks and places not only extremely dangerous when water storage container, but also cannot achieve the real-time supply of hot water.
Summary of the invention
The technical problem to be solved by the present invention is overcome in the prior art cooking-pot type solar water heater cannot achieve real-time confession
The technical issues of water, provides a kind of plain type optically focused water heater.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of plain type optically focused water heater, including a condenser and a heater, wherein condenser includes a pedestal,
It is fixed with the solar panel of a dome shape on the pedestal, optically focused plate surface is provided with reflective layer；It is corresponding poly- in the pedestal
Several support rods, axis the cutting perpendicular to solar panel spherical surface middle part spherical surface of support rod are also fixedly connected in the middle part of the spherical surface of tabula rasa
Face, the end of the support rod are provided with a support base, and a collecting lens, institute are provided in the middle part of the support base
Stating collecting lens is convex lens, and collecting lens is located at the sphere center position of the spherical surface of solar panel；The heater includes one and is fixed on branch
The axis of shell on support group seat, shell is parallel with support rod, and outer casing inner wall is also equipped with reflective layer, sets in the interior of shell
It is equipped with thermal-collecting tube assembly, the thermal-collecting tube assembly includes several thermal-collecting tubes being fixedly connected by connecting bracket, and thermal-collecting tube is opposite
Housing axis annular array arrangement is provided with the light inlet injected for light, the envelope of thermal-collecting tube in the bottom of the shell
Closed end is located at light inlet, and the open end of thermal-collecting tube is located at cover top portion, and the open end of each thermal-collecting tube is connected to a thermal-arrest sky
On chamber, cold water inlet and hot water outlet pipe are connected on the top of the thermal-arrest cavity；It is corresponding in the thermal-collecting tube assembly
The medium position of thermal-collecting tube array is provided with a lamp guide, and the lamp guide is made of transparent material, in the lamp guide
Inside it is densely covered with the reflecting piece made of lustre metal piece；A support cover board, the collection are additionally provided at the top of the shell
Hot cavity is fixed on the middle part of support cover board；The connecting bracket includes two groups of fixing hoops, in the periphery of the fixing hoop
It is provided with an annular support ring, connection is threadably secured between the support ring and outer casing inner wall；The shell and branch
It is fixedly connected between support group seat by flange.
As a further improvement of the present invention, at the edge of the solar panel, also annular array is provided with several Auxiliary supports
Bar, the auxiliary support bar are fixed between solar panel and support base.
As a further improvement of the present invention, the sphere centre position of the solar panel is provided with several drainage holes, arranges
Pedestal above-mentioned is run through in water hole.
As a further improvement of the present invention, the lustre metal piece is the stainless steel substrates after polishing.
As a further improvement of the present invention, the reflective layer is the stainless steel plate of polishing.
The beneficial effects of the present invention are:
1) present invention realizes the mixing of light collecting plate and thermal-collecting tube by improveing to traditional cooking-pot type solar water heater,
So that the recycling and circulation filling of hot water may be implemented in this structure, when in use, do not need to remove heating mechanism, more just
Just.
2) auxiliary support bar can be reduced in strong wind weather or excessive heater water filling, and what support column was bent can
Energy.
3) ash discharge and draining may be implemented in drainage hole, prevents dust and ponding from influencing the reflective of solar panel.
4) thermal-collecting tube is fixed by array bracket, facilitates uniformly being removed and placed into for thermal-collecting tube.
5) integration between cover board and heating cavities is supported, the disassembly of heating cavities is facilitated.
6) flanged joint stability is good, and what be can be convenient removes and installs.
7) lamp guide realizes guidance to light, while light may be implemented inside the housing in the reflecting piece in lamp guide
It reflects repeatedly, improves the utilization rate of sunray.
8) stainless steel plate price and difficulty of processing are all lower, and are not easily susceptible to corrode and wear, and the period of replacement is long, cost
It is low.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the schematic diagram of condenser；
Fig. 2 is the schematic diagram of heater.
In figure: 1, pedestal；2, solar panel；3, support rod；4, auxiliary support bar；5, support base；6, collecting lens；7, outer
Shell；8, thermal-collecting tube；9, lamp guide；10, fixing hoop；11, heating cavities；12, cover board is supported；13, light inlet；14, reflective layer.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As depicted in figs. 1 and 2, the present invention is a kind of plain type optically focused water heater, including a condenser and a heating
Device, wherein condenser includes a pedestal, and the solar panel of a dome shape is fixed on the pedestal, is set in optically focused plate surface
It is equipped with reflective layer；Several support rods, the axis of support rod are also fixedly connected in the middle part of the spherical surface that the pedestal corresponds to solar panel
Perpendicular to the section of spherical surface in the middle part of solar panel spherical surface, the end of the support rod is provided with a support base, in the optically focused
The edge of plate also annular array is provided with several auxiliary support bars, the auxiliary support bar be fixed on solar panel and support base it
Between, also pass through screw in the support base and be fixedly connected with a pressing plate, the support base is fixed with one by pressing plate
Collecting lens, the collecting lens are convex lens, and collecting lens is located at the sphere center position of the spherical surface of solar panel；The heater includes one
The shell being fixed in support base is fixedly connected between the shell and support base by flange, the axis and branch of shell
Strut is parallel, and outer casing inner wall is also equipped with reflective layer, and the interior of shell is provided with thermal-collecting tube assembly, the thermal-collecting tube assembly
Including several thermal-collecting tubes being fixedly connected by connecting bracket, the connecting bracket includes two groups of fixing hoops, in the fixation
The periphery of clip is provided with an annular support ring, and connection is threadably secured between the support ring and outer casing inner wall, collection
Heat pipe opposite shell axis annular array arrangement is provided with the light inlet injected for light, collection in the bottom of the shell
The closed end of heat pipe is located at light inlet, and the medium position that the thermal-collecting tube assembly corresponds to thermal-collecting tube array is provided with one and leads
Optical wand, the center of the axial location light inlet of lamp guide, the lamp guide is made of transparent material, close in the lamp guide
It is furnished with the reflecting piece made of stainless steel fragment, the open end of thermal-collecting tube is located at cover top portion, also sets at the top of the shell
It is equipped with a support cover board, is fixed with a thermal-arrest cavity in the middle part of the support cover board, the open end of each thermal-collecting tube is connected to
On one thermal-arrest cavity, cold water inlet and hot water outlet pipe are connected on the top of the thermal-arrest cavity；
For the ease of draining, the sphere centre position of the solar panel is provided with several drainage holes, drainage hole is through above-mentioned
Pedestal.
The installation of this structure is also more convenient, first in the balcony top opening on roof for mounting heating component, and leads to
Flange is crossed fixed on roof, concentrating component is then installed by flange at the top of heating component, when installation should be ensured that the two
Concentricity, while sealing between should ensure that and dust-proof just can guarantee that the long-time stable of integral device uses in this way；
On daytime, when solar irradiation is mapped to solar panel, sunlight is pooled on collecting lens by solar panel, will be handed over by collecting lens
The sun optical path of fork further focuses on lamp guide, and sunray is diffused into entire shell by the reflecting piece in lamp guide
In, by the reflection of shell wall surface so that the solar energy heating toward interflection to realization to thermal-collecting tube inside the shell；Thermal-arrest
Cold water in cavity enters from cold water inlet, and the cold water in subsequent thermal-arrest cavity enters in thermal-collecting tube, is made by thermal-collecting tube
Cold water is obtained by heating in reciprocating mode, the water phase after heating realizes the supply to hot water to the top for floating on thermal-arrest cavity；It is severe encountering
When weather, only condenser exposure in the environment, also only has condenser to will receive influence in sand and dust and particulate matter, deforms
Or abrasion, but stainless steel polishing plate wants much lower compared to the cost of thermal-collecting tube, thus often replacement do not generate yet it is biggish
Cost；
The technological progress of this product mainly has:
1, the present invention realizes the mixing of light collecting plate and thermal-collecting tube by improveing to traditional cooking-pot type solar water heater,
So that the recycling and circulation filling of hot water may be implemented in this structure, when in use, do not need to remove heating mechanism, more just
Just.
2, auxiliary support bar can be reduced in strong wind weather or excessive heater water filling, and what support column was bent can
Energy.
3, ash discharge and draining may be implemented in drainage hole, prevents dust and ponding from influencing the reflective of solar panel.
4, thermal-collecting tube is fixed by array bracket, facilitates uniformly being removed and placed into for thermal-collecting tube.
5, the integration between cover board and heating cavities is supported, the disassembly of heating cavities is facilitated.
6, flanged joint stability is good, and what be can be convenient removes and installs.
7, lamp guide realizes guidance to light, while light may be implemented inside the housing in the reflecting piece in lamp guide
It reflects repeatedly, improves the utilization rate of sunray.
8, stainless steel substrates price and difficulty of processing are all lower, and are not easily susceptible to corrode and wear.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (5)
1. a kind of plain type optically focused water heater, it is characterized in that: wherein condenser includes including a condenser and a heater
One pedestal, is fixed with the solar panel of a dome shape on the pedestal, and optically focused plate surface is provided with reflective layer；Described
The spherical surface middle part that pedestal corresponds to solar panel is also fixedly connected with several support rods, and the axis of support rod is perpendicular in solar panel spherical surface
The section of portion's spherical surface, the end of the support rod are provided with a support base, are provided with one in the middle part of the support base
A collecting lens, the collecting lens are convex lens, and collecting lens is located at the sphere center position of the spherical surface of solar panel；The heater includes one
A shell being fixed in support base, the axis of shell is parallel with support rod, and outer casing inner wall is also equipped with reflective layer, described
Interior of shell is provided with thermal-collecting tube assembly, and the thermal-collecting tube assembly includes several thermal-collecting tubes being fixedly connected by connecting bracket,
Thermal-collecting tube opposite shell axis annular array arrangement is provided with the light inlet injected for light in the bottom of the shell,
The closed end of thermal-collecting tube is located at light inlet, and the open end of thermal-collecting tube is located at cover top portion, and the open end of each thermal-collecting tube is connected to
On one thermal-arrest cavity, cold water inlet and hot water outlet pipe are connected on the top of the thermal-arrest cavity；In the thermal-arrest
The medium position that tube assembly corresponds to thermal-collecting tube array is provided with a lamp guide, and the lamp guide is made of transparent material,
The reflecting piece made of lustre metal piece is densely covered in the lamp guide；A Supporting cover is additionally provided at the top of the shell
Plate, the thermal-arrest cavity are fixed on the middle part of support cover board；The connecting bracket includes two groups of fixing hoops, in the fixing card
The periphery of hoop is provided with an annular support ring, and connection is threadably secured between the support ring and outer casing inner wall；It is described
It is fixedly connected between shell and support base by flange.
2. a kind of plain type optically focused water heater as described in claim 1, it is characterized in that: also annular at the edge of the solar panel
Array is provided with several auxiliary support bars, and the auxiliary support bar is fixed between solar panel and support base.
3. a kind of plain type optically focused water heater as described in claim 1, it is characterized in that: in the sphere centre position of the solar panel
It installs and is equipped with several drainage holes, drainage hole runs through pedestal above-mentioned.
4. a kind of plain type optically focused water heater as described in claim 1, it is characterized in that: the lustre metal piece is after polishing
Stainless steel substrates.
5. a kind of plain type optically focused water heater as described in claim 1, it is characterized in that: the reflective layer is the stainless steel of polishing
Plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910139615.5A CN109654753B (en) | 2016-11-11 | 2016-11-11 | Simple light-focusing water heater |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910139615.5A CN109654753B (en) | 2016-11-11 | 2016-11-11 | Simple light-focusing water heater |
| CN201610997073.1A CN106642744A (en) | 2016-11-11 | 2016-11-11 | Simple condensation water heater |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610997073.1A Division CN106642744A (en) | 2016-11-11 | 2016-11-11 | Simple condensation water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109654753A true CN109654753A (en) | 2019-04-19 |
| CN109654753B CN109654753B (en) | 2020-08-21 |
Family
ID=58806209
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610997073.1A Pending CN106642744A (en) | 2016-11-11 | 2016-11-11 | Simple condensation water heater |
| CN201910139615.5A Active CN109654753B (en) | 2016-11-11 | 2016-11-11 | Simple light-focusing water heater |
| CN201910139648.XA Active CN109668340B (en) | 2016-11-11 | 2016-11-11 | Plain type center spotlight water heater |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610997073.1A Pending CN106642744A (en) | 2016-11-11 | 2016-11-11 | Simple condensation water heater |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910139648.XA Active CN109668340B (en) | 2016-11-11 | 2016-11-11 | Plain type center spotlight water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN106642744A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109611808B (en) * | 2018-12-14 | 2020-11-24 | 佛山科学技术学院 | Convex-concave mirror light-gathering type water tank power generation device |
| CN113553902A (en) * | 2021-06-14 | 2021-10-26 | 西安电子科技大学 | Intelligent fruit and vegetable accurate identification method and system, computer equipment and application |
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| US20010006066A1 (en) * | 1998-07-27 | 2001-07-05 | Matthew Cherney | Solar energy systems and related hardware |
| CN2809503Y (en) * | 2005-08-05 | 2006-08-23 | 郭印华 | Solar range |
| CN101776330A (en) * | 2009-01-09 | 2010-07-14 | 戴建国 | Novel solar energy light gathering and heat collecting method and system |
| US20120174966A1 (en) * | 2011-01-07 | 2012-07-12 | Bradford Joel Snipes | Concentrating tracking solar energy collector |
| CN204923489U (en) * | 2015-08-26 | 2015-12-30 | 中核检修有限公司 | Heater |
| CN205403183U (en) * | 2016-03-03 | 2016-07-27 | 上海理工大学 | Solar cooker and solar facilities |
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| JPS57169550A (en) * | 1981-04-13 | 1982-10-19 | Agency Of Ind Science & Technol | Beam-condensing type solar heat collector |
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| CN101655286A (en) * | 2008-08-20 | 2010-02-24 | 刘玉山 | Cavity-type solar collector |
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| CN206310751U (en) * | 2016-11-11 | 2017-07-07 | 江苏桑力太阳能产业有限公司 | A kind of plain type optically focused water heater |
-
2016
- 2016-11-11 CN CN201610997073.1A patent/CN106642744A/en active Pending
- 2016-11-11 CN CN201910139615.5A patent/CN109654753B/en active Active
- 2016-11-11 CN CN201910139648.XA patent/CN109668340B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000018732A (en) * | 1998-06-30 | 2000-01-18 | Yutaku In | Compound heating boiler of sun light |
| US20010006066A1 (en) * | 1998-07-27 | 2001-07-05 | Matthew Cherney | Solar energy systems and related hardware |
| CN2809503Y (en) * | 2005-08-05 | 2006-08-23 | 郭印华 | Solar range |
| CN101776330A (en) * | 2009-01-09 | 2010-07-14 | 戴建国 | Novel solar energy light gathering and heat collecting method and system |
| US20120174966A1 (en) * | 2011-01-07 | 2012-07-12 | Bradford Joel Snipes | Concentrating tracking solar energy collector |
| CN204923489U (en) * | 2015-08-26 | 2015-12-30 | 中核检修有限公司 | Heater |
| CN205403183U (en) * | 2016-03-03 | 2016-07-27 | 上海理工大学 | Solar cooker and solar facilities |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109668340B (en) | 2020-09-22 |
| CN109668340A (en) | 2019-04-23 |
| CN109654753B (en) | 2020-08-21 |
| CN106642744A (en) | 2017-05-10 |
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