CN102374675A - Flat-plate solar water heater capable of generating power - Google Patents
Flat-plate solar water heater capable of generating power Download PDFInfo
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- CN102374675A CN102374675A CN2010102632258A CN201010263225A CN102374675A CN 102374675 A CN102374675 A CN 102374675A CN 2010102632258 A CN2010102632258 A CN 2010102632258A CN 201010263225 A CN201010263225 A CN 201010263225A CN 102374675 A CN102374675 A CN 102374675A
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- water heater
- flat plate
- solar water
- heat
- insulation framework
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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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- Photovoltaic Devices (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a flat-plate solar water heater capable of generating power, which comprises a water tank and a flat-plate heat collector arranged at the lower part of the water tank, wherein the flat-plate heat collector comprises a semi-closed heat insulation framework, metal pipes, refrigerating pieces and finned pipes, and a transparent glass plate is arranged on the semi-closed heat insulation framework; a plurality of communicated metal pipes are arranged in the closed space of the heat insulation framework, and the finned pipes are arranged above evaporation sections of the metal pipes; and the refrigerating pieces are positioned between the metal pipes and the finned pipes, and two ends of the refrigerating pieces are led out by leads to be connected with an external electric power storage device. The solar water heater capable of generating power can not only convert solar energy into heat energy to heat water, but also convert part of heat energy which is not stored timely into electric energy so as to supply additional power to users, the service efficiency of solar energy is improved, the structure is simple, and the cost is low.
Description
Technical field
The present invention relates to a kind of solar water heater, especially a kind of flat plate solar water heater that generates electricity.
Background technology
Solar water heater is with its environmental protection and energy saving, characteristics such as convenient and practical, and the use in life more and more widely.Solar water heater generally is divided into flat plate solar water heater and solar vacuum-tube water heater.The solar water heater of seeing in the market is exactly a photothermal converter basically; Directly utilize endothermic tube or vacuum tube that the conversion of solar energy that absorbs is for people to use for heat energy; To summer, sufficient endlessly solar energy makes hot water often reach boiling, and the generation quantitative change is big; Heat energy can not make full use of, and most heat energy has been lost like this in vain.Can be that the method for electric energy the most directly is exactly to utilize solar cell with conversion of solar energy; But the solar cell power generation Technology Need cooperates control circuit; Energy conversion rate is low, cost is high, cost performance is low, and the consumer is beyond affordability, can only be confined to the developed regions selectivity and use.
Summary of the invention
The purpose of this invention is to provide and a kind ofly both can convert solar energy to heat energy water is heated; Can also unnecessary thermal power transfer be become simultaneously the flat plate solar water heater of electric energy, improve the service efficiency of solar energy, also can help to solve the electricity consumption crisis in summer; Simple in structure, cost is low.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of flat plate solar water heater that generates electricity; The flat plate collector that comprises water tank and water tank bottom; Wherein, said flat plate collector is made up of semiclosed insulation framework, metal tube, cooling piece and finned tube, on said semiclosed insulation framework, also is provided with transparency glass plate; Form enclosure space in the insulation framework; Be arranged with a plurality of metal tubes that interconnect in the said insulation framework enclosure space, said finned tube is arranged in the top of the evaporator section of said metal tube, and said cooling piece is between metal tube and finned tube; The cooling piece two ends are respectively drawn with the external electric energy storage device with lead and are connected, and the condensation segment of said metal tube stretches into said water tank and is tightly connected with it.
The above-mentioned flat plate solar water heater that generates electricity wherein, is provided with polyurethane insulation coating with inner side edge on the said semiclosed insulation chassis base.
The above-mentioned flat plate solar water heater that generates electricity, wherein, said finned tube surface-coated spectral selection heat absorbing coating.
The above-mentioned flat plate solar water heater that generates electricity wherein, is placed with heat-conducting medium in said metal tube.
The above-mentioned flat plate solar water heater that generates electricity, wherein, said heat-conducting medium is an anti-icing fluid.
Adopt after the technique scheme; The solar water heater that the present invention can generate electricity both can convert solar energy to heat energy water is heated; Simultaneously can also the heat energy that a part does not have enough time to store be changed into electric energy,, improve the service efficiency of solar energy for the user provides extra supply of electric power.
Description of drawings
Fig. 1 is the structural representation of the flat plate collector of the present invention's solar water heater that can generate electricity;
Fig. 2 is the partial enlarged drawing of Fig. 1 middle plateform heat collector.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is described further, but not as qualification of the present invention.
The solar water heater that the present invention can generate electricity mainly comprises water tank and flat plate collector; As shown in Figure 1, flat plate collector is made up of semiclosed insulation framework 1, metal tube 2, cooling piece 3 and finned tube 4, on semiclosed insulation framework 1, also is provided with transparency glass plate; Form enclosure space in the insulation framework 1; Be arranged with a plurality of metal tubes that interconnect 2 in insulation framework 1 enclosure space, finned tube 4 is arranged in the top of the evaporator section of metal tube 2, some cooling pieces 3 is set between metal tube 2 and finned tube 4; Be provided with polyurethane insulation coating with inner side edge on semiclosed insulation framework 1 base plate, purpose is in order to prevent that heat energy is absorbed into that heat scatters and disappears behind the metal tube.In the present embodiment, metal tube 2 is copper or aluminum pipe, is placed with anti-icing fluid as heat-conducting medium in the metal tube 2, and severity causes freezing also can to prevent the relatively lower water temperature of temperature in winter to descend too.On finned tube 4 surfaces, scribble spectral selective absorbing coating, this coating both can make finned tube 4 absorb more solar radiation, can reduce finned tube 4 again to extraradial radiation loss.Transparency glass plate can adopt the dull and stereotyped or vacuum glass flat board of double-deck simple glass.
As shown in Figure 2, upward arrow is represented the solar irradiation direction, and left side arrow down representes that cold water flows to; Shine on the finned tube 4 when sunshine sees through transparency glass plate, wherein most of solar radiant energy is 4 absorptions of finned tube, change heat energy into after; Process cooling piece 3 in the process that passes the water in metal tube 2; Produce temperature difference at the two ends of cooling piece 3, heat sucks the back through their side and is emitted by the other end, so produce voltage at cooling piece 3 two ends; Promptly produce direct current, be drawn out to outside apparatus for storing electrical energy through the two ends lead and supply the user to carry out other purposes.Hot water in the metal tube 2 after simultaneous temperature raises relies on the density contrast Natural Circulation with cold water, accomplishes the heating to water in the water tank.
More than specific embodiment of the present invention is described in detail, but the present invention is not restricted to the specific embodiment of above description, it is just as example.To those skilled in the art, any equivalent modifications that this flat plate solar water heater that can generate electricity is carried out with substitute also all among category of the present invention.Therefore, not breaking away from impartial conversion and the modification of having done under the spirit and scope of the present invention, all should contain within the scope of the invention.
Claims (5)
1. flat plate solar water heater that can generate electricity; The flat plate collector that comprises water tank and water tank bottom; It is characterized in that said flat plate collector is made up of semiclosed insulation framework, metal tube, cooling piece and finned tube, on said semiclosed insulation framework, also be provided with transparency glass plate; Form enclosure space in the insulation framework; Be arranged with a plurality of metal tubes that interconnect in the said insulation framework enclosure space, said finned tube is arranged in the top of the evaporator section of said metal tube, and said cooling piece is between metal tube and finned tube; The cooling piece two ends are respectively drawn with the external electric energy storage device with lead and are connected, and the condensation segment of said metal tube stretches into said water tank and is tightly connected with it.
2. the flat plate solar water heater that generates electricity according to claim 1 is characterized in that, is provided with polyurethane insulation coating with inner side edge on the said semiclosed insulation chassis base.
3. the flat plate solar water heater that generates electricity according to claim 1 is characterized in that, said finned tube surface-coated spectral selection heat absorbing coating.
4. the flat plate solar water heater that generates electricity according to claim 1 is characterized in that, in said metal tube, is placed with heat-conducting medium.
5. the flat plate solar water heater that generates electricity according to claim 4 is characterized in that, said heat-conducting medium is an anti-icing fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102632258A CN102374675A (en) | 2010-08-26 | 2010-08-26 | Flat-plate solar water heater capable of generating power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102632258A CN102374675A (en) | 2010-08-26 | 2010-08-26 | Flat-plate solar water heater capable of generating power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102374675A true CN102374675A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102632258A Pending CN102374675A (en) | 2010-08-26 | 2010-08-26 | Flat-plate solar water heater capable of generating power |
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| CN (1) | CN102374675A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226997A (en) * | 2015-10-03 | 2016-01-06 | 淄博夸克医药技术有限公司 | A kind of renewable new forms of energy are converted into the device of electric energy |
| CN105241093A (en) * | 2014-07-11 | 2016-01-13 | 北京帅鑫博朗科技发展有限公司 | Efficient heat collecting and heat transmitting planar solar panel core and preparation method thereof |
| CN114397918A (en) * | 2022-01-15 | 2022-04-26 | 江苏大学 | Self-sufficient community energy supply system |
-
2010
- 2010-08-26 CN CN2010102632258A patent/CN102374675A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105241093A (en) * | 2014-07-11 | 2016-01-13 | 北京帅鑫博朗科技发展有限公司 | Efficient heat collecting and heat transmitting planar solar panel core and preparation method thereof |
| CN105226997A (en) * | 2015-10-03 | 2016-01-06 | 淄博夸克医药技术有限公司 | A kind of renewable new forms of energy are converted into the device of electric energy |
| CN114397918A (en) * | 2022-01-15 | 2022-04-26 | 江苏大学 | Self-sufficient community energy supply system |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |