CN113494777A - Solar water heater with double-layer external heat absorption and internal reflection heat of silver-plated copper double-layer external surface of vacuum heat-insulation inner spherical shell between double toughened glass spherical shells of inner and outer supports - Google Patents
Solar water heater with double-layer external heat absorption and internal reflection heat of silver-plated copper double-layer external surface of vacuum heat-insulation inner spherical shell between double toughened glass spherical shells of inner and outer supports Download PDFInfo
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- CN113494777A CN113494777A CN202010204544.5A CN202010204544A CN113494777A CN 113494777 A CN113494777 A CN 113494777A CN 202010204544 A CN202010204544 A CN 202010204544A CN 113494777 A CN113494777 A CN 113494777A
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- toughened glass
- heat
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- spherical
- double
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Classifications
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/60—Solar heat collectors integrated in fixed constructions, e.g. in buildings
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- 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
- F24S23/72—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with hemispherical reflective surfaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S50/00—Arrangements for controlling solar heat collectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S70/00—Details of absorbing elements
- F24S70/10—Details of absorbing elements characterised by the absorbing material
- F24S70/12—Details of absorbing elements characterised by the absorbing material 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
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- 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)
- Joining Of Glass To Other Materials (AREA)
Abstract
The invention name is as follows: the technical field of the solar water heater with the vacuum heat-preservation inner spherical shell and the vacuum heat-preservation inner spherical shell with the silver-plated copper double layers as the outer surface absorbs heat and reflects heat internally comprises the following steps: a vacuum heat-preservation solar water heater between double toughened glass spherical shells integrates vacuum heat-collection heating water and vacuum heat-preservation hot water. The technical problem is solved: 1. the problem of low hot water temperature in winter caused by small angle of solar energy absorption of the vacuum heat-collecting tube solar water heater is solved. 2. The problem of the poor temperature preservation effect of evacuated collector tube solar water heater storage water tank leads to the hot water of night in winter and the cooling of a night dozens of degrees is solved. The technical scheme is as follows: 1. the toughened glass spherical shell has the advantages that the toughened glass spherical shell can continuously absorb solar energy at 180 degrees in the daytime and does not need to consider the direction of sunlight during installation. 2. The vacuum heat preservation principle between the double toughened glass spherical shells is similar to that of a vacuum inner container of a thermos bottle. 3. The outer surface of the inner spherical shell of the toughened glass is plated with a silver-copper double layer, so that the outer heat absorption and the inner reflection heat radiation are realized, and the heat collection and insulation functions are realized. The main application is as follows: the solar energy is used for heating tap water for bathing and washing dishes.
Description
Technical Field
The invention relates to a novel solar water heater with internal heat absorption and internal reflection at the outer surface of a vacuum heat-insulation inner spherical shell and a silver-plated copper double layer between inner and outer support double toughened glass spherical shells, which integrates vacuum heat collection and vacuum heat insulation, and relates to a manufacturing technology of a toughened glass spherical shell, a picosecond and femtosecond pulse optical fiber laser welding glass technology for Anyang laser industry, a vacuum rubber watertight plug, an antireflection film, a glass silver-plated copper technology and a vacuum environment technology. Can be used for bathing and washing dishes by heating tap water.
Background
The solar water heater with the antireflection film vacuum heat collecting tube has the following defects:
(1) the vacuum heat-collecting tube solar water heater has low hot water temperature caused by insufficient sunlight in winter.
(2) And the hot water of the solar water heater with the vacuum heat collecting tubes is cooled by dozens of degrees at night in winter, and the heat preservation effect of the water storage tank is poor.
The vacuum inner container of the thermos flask has the following defects:
the vacuum inner container of the thermos bottle is sealed by the melting glass, which determines that the vacuum degree of the vacuum inner container of the thermos bottle is not high, the difference between the vacuum between two glass walls and the pressure inside and outside the two glass walls is not large, and the glass strength of the vacuum inner container of the thermos bottle is not high. The vacuum heat preservation effect does not reach a high level.
The vacuum rubber airtight plug acts on airtightness.
Disclosure of Invention
1. The purpose of the invention is as follows:
the solar water heater can continuously absorb sunlight heat at 180 degrees in the daytime, does not need to consider the orientation of sunlight during installation, and has the advantages of vacuum heat preservation between double toughened glass spherical shells, heat collection and heat preservation integration, internal heat absorption and internal reflection heat radiation outside the silver-plated copper double-layer outer surface of the spherical shell in the toughened glass spherical, and small occupied area.
2. The technical scheme is as follows:
the invention relates to a novel solar water heater integrating vacuum heat collection and vacuum heat preservation, wherein the novel solar water heater comprises a toughened glass square plane plate base, a toughened glass round tube vertical shaft, a toughened glass spherical tray, an antireflection film toughened glass spherical shell, a toughened glass spherical outer surface silver-plated copper double-layer external heat absorption and internal reflection heat radiation, vacuum heat preservation between double toughened glass spherical shells, a conical vacuum rubber watertight plug, an internal water pipe, a signal line, a water temperature sensor, a water level sensor, a one-way valve, a heat preservation external water pipe and a liquid crystal display screen, and is characterized by also comprising:
(1) the impact strength of the toughened glass with the same thickness is 3-5 times that of common glass, and the bending strength of the toughened glass is 3-5 times that of the common glass. The toughened glass has good thermal stability, can bear 3 times of temperature difference of common glass, and can bear 300 ℃ of temperature difference change. The inner and outer toughened glass spherical shells are made of high-strength toughened glass materials to bear the high-vacuum degree between the inner and outer toughened glass spherical shells, the pressure difference of approximately 1 atmosphere inside and outside the inner and outer toughened glass spherical shells and the temperature difference change of 300 ℃.
(2) And a toughened glass round tube vertical shaft with the diameter of 4cm, the height of 11.5cm and the thickness of 5mm is vertically welded in the middle of a toughened glass square plane plate base with the side length of 64cm and the height of 1 cm.
(3) And a toughened glass outer spherical surface tray which is horizontally placed with a spherical surface inner diameter of 64cm, a height of 15 cm, a thickness of 5mm and a bottom middle round hole diameter of 4cm is welded at a height of 10cm from the outer surface of the round shaft of the toughened glass round tube to the base of the square plane plate of the toughened glass.
(4) And the toughened glass outer spherical surface tray is horizontally welded with a toughened glass outer spherical shell lower hemisphere with the outer diameter of 64cm, the thickness of 5mm and the diameter of a bottom middle round hole of 4 cm.
(5) A toughened glass round tube which is 11.5cm away from the square plane plate base of the toughened glass is welded with a toughened glass inner spherical tray which is horizontally placed with a spherical inner diameter of 61cm, a height of 15 cm, a thickness of 5mm and a bottom middle round hole diameter of 2 cm.
(6) And the toughened glass inner spherical surface tray is horizontally welded with a toughened glass inner spherical shell lower hemisphere with the outer diameter of 61cm, the thickness of 5mm, the inner surface diameter of a bottom middle round hole of 3cm and the outer surface diameter of 2 cm.
(7) An inner water pipe with the diameter of 1cm and the thickness of 1mm and a signal wire with the diameter of 2mm upwards penetrate through two round holes of a conical vacuum rubber watertight plug in a round hole in the middle of the bottom of a lower hemisphere of the inner spherical shell of the toughened glass round pipe inside a vertical shaft to be connected with the inner spherical shell of the toughened glass, and the signal wire is respectively connected with a water temperature sensor and a water level sensor in the inner spherical shell of the toughened glass.
Horizontally placing a conical vacuum rubber watertight plug with the inner surface diameter of 3cm, the outer surface diameter of 2cm and the height of 5mm, sealing a round hole in the middle of the bottom of the lower hemisphere of the toughened glass inner spherical shell with the inner surface diameter of 3cm, the outer surface diameter of 2cm and the height of 5mm from top to bottom, and welding the upper hemisphere of the toughened glass inner spherical shell with the lower hemisphere of the toughened glass inner spherical shell.
(8) The inner radius R =30 cm of the inner spherical shell of the toughened glass, and the inner volume of the inner spherical shell of the toughened glass
=113L。
(9) The outer surface of the toughened glass inner spherical shell except for the welding part with the toughened glass inner spherical surface tray is firstly plated with a layer of silver and then plated with a layer of copper. The heat of sunlight absorbed by the copper plating layer is conducted inwards to the silver plating layer, the silver plating layer is conducted inwards to the toughened glass inner spherical shell, and the toughened glass inner spherical shell is conducted inwards to water. The silver coating layer reflects heat radiation inwards to keep the hot water warm.
(10) Firstly, vacuumizing the welding environment, and then welding the upper hemisphere of the toughened glass outer spherical shell with the lower hemisphere of the toughened glass outer spherical shell. The vacuum pumping between the inner and outer toughened glass spherical shells reduces the heat convection and heat conduction, thereby keeping the heat of the hot water stored in the toughened glass inner spherical shell warm. The vacuum heat preservation principle is similar to that of a vacuum inner container of a thermos bottle.
(11) And plating an antireflection film on the outer surface of the outer spherical shell of the toughened glass except for the welding part with the tray on the outer spherical surface of the toughened glass, so as to reduce the reflection of sunlight and increase the transmission of the sunlight.
(12) And a round hole with the diameter of 2cm is formed in the middle position of the tempered glass round tube vertical shaft, which is 8cm away from the tempered glass square plane plate base, and the inner water tube and the signal wire in the tempered glass round tube vertical shaft extend outwards and transversely. The transverse inner water pipe is connected with a one-way valve. The one-way valve is connected with the heat preservation outer water pipe. The heat preservation outer water pipe is connected with a shower nozzle in a toilet. The signal line is connected with the liquid crystal display screen downwards.
(13) And the toughened glass square plane plate base is horizontally placed on the roof, and the toughened glass square plane plate base and the roof are bonded and fixed by glass cement.
(14) And opening the liquid crystal display screen of the solar water heater with the vacuum heat-preservation inner spherical shell between the inner and outer support double toughened glass spherical shells, wherein the silver-plated copper double-layer outer heat absorption inner reflection heat is arranged on the outer surface of the inner spherical shell, and pressing a water key to fill the inner spherical shell of the toughened glass with water.
3. Has the advantages that:
(1) no matter the sun rises from the east or falls from the west, the solar water heater with the vacuum heat-preservation inner spherical shell between the inner and outer support double toughened glass spherical shells can continuously absorb sunlight heat at 180 degrees in the daytime by the solar water heater with the heat absorption and internal reflection outside the silver-plated copper double layers on the outer surface of the inner spherical shell, and the solar water heater has a larger angle and can absorb the sunlight heat for a longer time than the solar water heater with the vacuum heat-collecting tubes. The solar water heater solves the problem that the hot water temperature is low due to insufficient sunlight absorption of the vacuum heat-collecting tube solar water heater in winter.
(2) When the solar water heater is installed between the inner and outer support double toughened glass spherical shells, the silver-plated copper double-layer outer heat absorption inner reflection heat of the outer surface of the inner spherical shell is absorbed, the direction of sunlight does not need to be considered, and the solar water heater can be horizontally fixed on a roof.
(3) The vacuum heat preservation principle of the hot water stored in the vacuum heat preservation inner spherical shell between the inner and outer support double toughened glass spherical shells is similar to that of a vacuum inner liner of a thermos bottle, and the pain that the temperature of the hot water of the vacuum heat collection tube solar water heater is reduced one night in winter and the heat preservation effect of a storage water tank with dozens of degrees is poor is solved.
(4) The solar water heater has the advantages that the occupied area of the solar water heater with the double layers of silver and copper layers on the outer surface of the vacuum heat-insulation inner spherical shell between the inner and outer support double toughened glass spherical shells is =0.64m multiplied by 0.64m =0.41 square meter, the occupied area is far smaller than that of a vacuum heat-collecting tube solar water heater, and more solar water heaters for owners can be installed. The new floor plate roof can be provided with an internal and external support double toughened glass spherical shell, a silver-plated copper double-layer external heat absorption and internal reflection solar water heater on the outer surface of the vacuum heat insulation internal spherical shell in advance by developers. The problem of roof area waste caused by the fact that the vacuum heat collecting tube solar water heater occupies a large area, the roof area of a high floor is far from insufficient, and all owners can install the solar water heaters separately and randomly. And simultaneously, the attractive picture of the aerial city roof is ensured.
(5) And the outer surface of the silver-plated copper double layer of the toughened glass inner spherical shell of the solar water heater absorbs heat and reflects heat radiation in an inner heat absorption mode. The toughened glass inner spherical shell integrates heat collection and heat preservation, stores all hot water and saves an additional water storage tank.
Claims (13)
1. The utility model provides a collect vacuum thermal-arrest and vacuum insulation in the novel solar water heater of vacuum insulation internal sphere shell surface silver-plated copper double-deck external heat absorption internal reflection heat radiation between two toughened glass spherical shells of inside and outside support of an organic whole, including toughened glass square plane board base, toughened glass pipe vertical scroll, toughened glass spherical outside surface tray, toughened glass spherical inside surface tray, antireflection coating toughened glass spherical outside shell, toughened glass spherical shell surface silver-plated copper double-deck external heat absorption internal reflection heat radiation, vacuum insulation between two toughened glass spherical shells, conical vacuum rubber watertight stopper, interior water pipe and signal line, water temperature sensor, level sensor, the check valve, the outer water pipe that keeps warm, liquid crystal display, its characteristic still includes:
the heat of sunlight can be absorbed continuously at 180 ℃ in the daytime, the orientation of the sunlight is not needed to be considered during installation, the vacuum heat preservation between the double toughened glass spherical shells is realized, the heat collection and heat preservation are integrated, the heat absorption and internal reflection heat radiation are realized outside the silver-plated copper double layers on the outer surfaces of the spherical shells in the toughened glass spheres, and the occupied area is small.
2. The double tempered glass spherical shell according to claim 1, further comprising:
the impact strength of the toughened glass with the same thickness is 3-5 times that of common glass, and the bending strength of the toughened glass is 3-5 times that of the common glass.
3. The toughened glass has good thermal stability, can bear 3 times of temperature difference of common glass, and can bear 300 ℃ of temperature difference change.
4. The inner and outer toughened glass spherical shells are made of high-strength toughened glass materials to bear the high-vacuum degree between the inner and outer toughened glass spherical shells, the pressure difference of approximately 1 atmosphere inside and outside the inner and outer toughened glass spherical shells and the temperature difference change of 300 ℃.
5. The toughened glass square planar plate base as claimed in claim 1, further comprising:
a toughened glass round tube vertical shaft with the diameter of 4cm, the height of 11.5cm and the thickness of 5mm is vertically welded in the middle of a toughened glass square plane plate base with the side length of 64cm and the height of 1 cm.
6. The tempered glass round tube vertical shaft according to claim 1, further comprising:
a toughened glass outer spherical surface tray which is horizontally placed with the spherical surface inner diameter of 64cm, the height of 15 cm, the thickness of 5mm and the bottom middle round hole diameter of 4cm is welded at the height of the outer surface of the round shaft of the toughened glass round tube which is 10cm away from the base of the square plane plate of the toughened glass; a toughened glass round tube which is 11.5cm away from the base of the square plane plate of toughened glass is welded with a toughened glass inner spherical tray which is horizontally placed with a spherical inner diameter of 61cm, a height of 15 cm and a thickness of 5mm and a bottom middle round hole diameter of 2 cm.
7. The tempered glass outer spherical surface tray as claimed in claim 1, further comprising:
the toughened glass outer spherical surface tray is welded with a lower hemisphere of a toughened glass outer spherical shell, which is horizontally placed, the outer diameter of the lower hemisphere is 64cm, the thickness of the lower hemisphere is 5mm, and the diameter of a middle round hole at the bottom of the lower hemisphere is 4 cm.
8. The toughened glass inner spherical surface tray as claimed in claim 1, further comprising:
the toughened glass inner spherical surface tray is welded with a toughened glass inner spherical shell lower hemisphere horizontally arranged, wherein the toughened glass inner spherical shell lower hemisphere has an outer diameter of 61cm, a thickness of 5mm and a bottom middle round hole with an inner surface diameter of 3cm and an outer surface diameter of 2 cm.
9. The conical vacuum rubber water seal stopper according to claim 1, further comprising:
the diameter of the round hole is 1cm, the thickness of the round hole is 1mm, the signal line with the diameter of 2mm upwards penetrates through two round holes of a conical vacuum rubber watertight plug in a round hole in the middle of the bottom of a lower hemisphere of the toughened glass inner spherical shell inside a vertical shaft of a toughened glass round tube to be connected with the toughened glass inner spherical shell, the signal line is respectively connected with a water temperature sensor and a water level sensor in the toughened glass inner spherical shell, and after the conical vacuum rubber watertight plug with the inner surface diameter of 3cm, the outer surface diameter of 2cm and the height of 5mm is horizontally placed to seal the round hole in the middle of the bottom of the lower hemisphere of the toughened glass inner spherical shell, the upper hemisphere of the toughened glass inner spherical shell is welded with the lower hemisphere of the toughened glass inner spherical shell.
10. The outer surface of the tempered glass inner spherical shell according to claim 1, further comprising:
the outer surface of the toughened glass inner spherical shell except for the welding part with the toughened glass inner spherical surface tray is firstly plated with a layer of silver and then plated with a layer of copper, the copper-plated layer absorbs sunlight heat and conducts the heat inwards to the silver-plated layer, the silver-plated layer conducts the heat inwards to the toughened glass inner spherical shell, the toughened glass inner spherical shell conducts the heat inwards to water, and the silver-plated layer reflects heat radiation heat preservation hot water inwards.
11. The vacuum heat preservation between the double tempered glass spherical shells according to claim 1, further comprising:
firstly, vacuumizing the welding environment, then welding the upper half ball of the toughened glass outer spherical shell with the lower half ball of the toughened glass outer spherical shell, vacuumizing the space between the inner and outer toughened glass spherical shells to reduce heat convection and heat conduction, thereby keeping the temperature of hot water stored in the toughened glass inner spherical shell.
12. The vacuum heat preservation principle is similar to that of a vacuum inner container of a thermos bottle.
13. The interior water pipe and the signal line of claim 1, characterized by further comprising:
the vertical axis of the toughened glass round tube is 8cm away from the middle position of the square plane plate base of the toughened glass, the round hole with the diameter of 2cm is formed in the middle position, the inner water pipe in the vertical shaft of the toughened glass round tube and the signal line transversely extend outwards, the transverse inner water pipe is connected with the one-way valve, the one-way valve is connected with the heat-preservation outer water pipe, the heat-preservation outer water pipe is connected with the bathroom shower nozzle, and the signal line is downwards connected with the liquid crystal display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010204544.5A CN113494777A (en) | 2020-03-21 | 2020-03-21 | Solar water heater with double-layer external heat absorption and internal reflection heat of silver-plated copper double-layer external surface of vacuum heat-insulation inner spherical shell between double toughened glass spherical shells of inner and outer supports |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010204544.5A CN113494777A (en) | 2020-03-21 | 2020-03-21 | Solar water heater with double-layer external heat absorption and internal reflection heat of silver-plated copper double-layer external surface of vacuum heat-insulation inner spherical shell between double toughened glass spherical shells of inner and outer supports |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113494777A true CN113494777A (en) | 2021-10-12 |
Family
ID=77994029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010204544.5A Withdrawn CN113494777A (en) | 2020-03-21 | 2020-03-21 | Solar water heater with double-layer external heat absorption and internal reflection heat of silver-plated copper double-layer external surface of vacuum heat-insulation inner spherical shell between double toughened glass spherical shells of inner and outer supports |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113494777A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2446453Y (en) * | 2000-04-19 | 2001-09-05 | 崔燕鹏 | Integrated wholly bearing glass vacuum tube solar water heater |
| DE10133479C1 (en) * | 2001-07-10 | 2002-12-05 | Schott Glas | Solar collector tube has identification applied to absorber tube in vacuum or in inert gas inside transparent envelope tube by partly removing absorber tube coating by using laser beam |
| CN201697353U (en) * | 2010-05-28 | 2011-01-05 | 周薇娜 | Solar water heating device |
| CN101982799A (en) * | 2010-09-10 | 2011-03-02 | 何斌 | Solar condensing mirror with adjustable focus and application thereof |
| CN201866950U (en) * | 2010-08-24 | 2011-06-15 | 骆俊杰 | Spherical solar device with visible light spectrum thermal effect |
| CN102589174A (en) * | 2012-03-12 | 2012-07-18 | 许虎良 | All-glass vacuum solar heat collecting tube |
| CN104676925A (en) * | 2013-11-29 | 2015-06-03 | 叶彩云 | Solar water tank |
| WO2016055077A1 (en) * | 2014-10-09 | 2016-04-14 | Abdo Taher Mohamed Fathy | Parabolic collector solar radiation absorber tube (receiver element) |
-
2020
- 2020-03-21 CN CN202010204544.5A patent/CN113494777A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2446453Y (en) * | 2000-04-19 | 2001-09-05 | 崔燕鹏 | Integrated wholly bearing glass vacuum tube solar water heater |
| DE10133479C1 (en) * | 2001-07-10 | 2002-12-05 | Schott Glas | Solar collector tube has identification applied to absorber tube in vacuum or in inert gas inside transparent envelope tube by partly removing absorber tube coating by using laser beam |
| CN201697353U (en) * | 2010-05-28 | 2011-01-05 | 周薇娜 | Solar water heating device |
| CN201866950U (en) * | 2010-08-24 | 2011-06-15 | 骆俊杰 | Spherical solar device with visible light spectrum thermal effect |
| CN101982799A (en) * | 2010-09-10 | 2011-03-02 | 何斌 | Solar condensing mirror with adjustable focus and application thereof |
| CN102589174A (en) * | 2012-03-12 | 2012-07-18 | 许虎良 | All-glass vacuum solar heat collecting tube |
| CN104676925A (en) * | 2013-11-29 | 2015-06-03 | 叶彩云 | Solar water tank |
| WO2016055077A1 (en) * | 2014-10-09 | 2016-04-14 | Abdo Taher Mohamed Fathy | Parabolic collector solar radiation absorber tube (receiver element) |
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Application publication date: 20211012 |