CN101397982A - Solar power generation method and device - Google Patents
Solar power generation method and device Download PDFInfo
- Publication number
- CN101397982A CN101397982A CNA2007100096080A CN200710009608A CN101397982A CN 101397982 A CN101397982 A CN 101397982A CN A2007100096080 A CNA2007100096080 A CN A2007100096080A CN 200710009608 A CN200710009608 A CN 200710009608A CN 101397982 A CN101397982 A CN 101397982A
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- Prior art keywords
- circulation loop
- water
- sea
- water tank
- electrical energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/02—Devices for producing mechanical power from solar energy using a single state working fluid
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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
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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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
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Photovoltaic Devices (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a method for utilizing solar energy to generate power and a device thereof; the method comprises the main steps that water closed in a circulation pipeline is exposed to sunlight and runs in the circulation pipeline; the running of water in the circulation pipeline is utilized to drive a water turbine generator to generate power. The solar energy is the only driving power in the whole power generating course, therefore, no pollution is caused; the device has simple structure and low manufacturing cost, is capable of being arranged on wide sea surface, river surface or lake surface, utilizes the water in seas, rivers or lakes to cool heated water in the circulation pipeline, thereby keeping water circulating ceaselessly in the circulation pipeline and requiring no additional cooling device.
Description
Technical field
The present invention relates to electricity-generating method and device, specifically be meant a kind of method and device that utilizes solar electrical energy generation.
Background technique
At present solar electrical energy generation mainly adopts solar panel to carry out, and solar panel mainly is based on light-sensitive semiconductor material, and its working principle is to utilize photoelectric material to absorb to take place behind the luminous energy photoelectric conversion to react and generate electricity.After semi-conducting material was subjected to light, moved toward p type island region in the hole of the N-type semiconductor in its PN junction, and the electronics in the p type island region moves toward N type district, thereby form the electric current from N type district to p type island region, forms potential difference then in PN junction, and this has just formed power supply.Though solar cell reaches its maturity from manufacturing and application technology aspect, its manufacture cost is higher, be the several times of traditional electricity generating device, and conversion efficiency of thermoelectric is lower, only is about 10%.
Another kind method is to utilize solar energy that boiler is heated, and the steam that utilizes boiler to produce passes through steam turbine power generation.For example, Chinese patent discloses a kind of " method for electric generation using solar energy " for No. 96115907.3, it is to adopt a plurality of concave mirrors to form the mirror battle array, adopt the sunlight of its reflection light pipe that it is transported in the housing of solar boiler by convex lens are poly-apart from the back, by the solar boiler generation steam that is heated, through vapor pressurization propulsion system, drive steam turbine, and drive generator for electricity generation by steam turbine.
Chinese patent discloses a kind of " utilizing the method and the device of solar electrical energy generation " for No. 200410068900.6 for another example, it is to utilize the energy of solar radiation to heat water to-80 degree storages of 60 degree, water heats the low boiling working medium more then, make it vaporization, produce high pressure steam, pushing turbine drives generator for electricity generation, it is liquid that steam enters condenser condenses one-tenth then, squeezes into vaporizer by pump again and carry out next circulating generation work.The principle of the method and last method is similar.
Summary of the invention
Main purpose of the present invention is to provide a kind of and utilizes solar energy that water is heated to make its convection circulation, thereby makes current drive the method and the device of water turbine generating.
The present invention adopts following technological scheme: a kind of method of utilizing solar electrical energy generation is characterized in that comprising: 1) make solar light irradiation be enclosed within water in the circulation loop, water is flowed in circulation loop; 2) utilize the mobile driving hydraulic turbine generator of the water in the circulation loop to generate electricity.
Aforementioned a kind of method of utilizing solar electrical energy generation makes the part of solar light irradiation circulation loop; Circulation loop partly soaked be located at sea, river surface or lake surface below, the aforementioned part of solar light irradiation that is subjected to is positioned at sea, river surface or lake surface top.
A kind of device that utilizes solar electrical energy generation comprises: circulation loop, be partially submerged in sea, river surface or below the lake surface, part exposes to sea, river surface or lake surface top, and this exposed parts part is absorbed heat by solar light irradiation; Hydraulic turbine generator is installed in the circulation loop, generated electricity by the circulation loop water current driven.
Aforementioned a kind of device that utilizes solar electrical energy generation, its circulation loop is subjected to the part of solar light irradiation to form an endothermic water tank, and this endothermic water tank's periphery is coated with heat-sink shell; Described circulation loop is immersed in the following part of sea, river surface or lake surface and forms a cooling water tank.
Further, described endothermic water tank's top forms the mouth of a river, and the below forms water intake.
Further, described hydraulic turbine generator is installed near described endothermic water tank's the water outlet.
By above-mentioned description to structure of the present invention as can be known, compare with prior art, the present invention has following advantage: one, utilize solar energy that water is heated, make the water convection circulation, make the water turbine generating by the circuit current again, its power generation process uses solar energy to be driving force fully, does not have any pollution; Two, it is simple in structure, and is honest and clean at the bottom of the manufacture cost; Three, can be installed on vast sea, river surface or the lake surface, utilize seawater, river or lake water that the water that is heated in the circulation loop is cooled off, so that the water in the circulation loop can keep constantly circulation to generate electricity, and need not other additional cooling unit.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
The specific embodiment of the present invention is described with reference to the accompanying drawings.
With reference to Fig. 1, a kind of device that utilizes solar electrical energy generation, main structure comprise circulation loop 1 and hydraulic turbine generator 4.Circulation loop 1 is full of water or other is subjected to the water of thermoconvection.This circulation loop 1 is partially submerged in the sea below 10, and part exposes to 10 tops, sea.This circulation loop 1 is immersed in the part of sea below 10 and forms a cooling water tank 3; The part that this circulation loop 1 exposes to 10 tops, sea forms an endothermic water tank 2, and this endothermic water tank's 2 periphery is coated with heat-sink shell.This endothermic water tank's 2 top forms the mouth of a river, and the below forms water intake.Be provided with hydraulic turbine generator 4 near endothermic water tank 2 the water outlet.
The above-mentioned device that utilizes solar electrical energy generation can be fixedly installed near the bank off sea sea by supporting frame, supporting frame is fixed in the seabed, also can be suspended on the sea, as long as guarantee that its endothermic water tank 2 is positioned at 10 tops, sea, cooling water tank 3 is positioned at 10 belows, sea by levitating device.Solar light irradiation is on endothermic water tank 2 surfaces, after being heated, water in the endothermic water tank 2 produces convection current, Fang water outlet is to the upper reaches from it, and flow to 3 li of the cooling water tanks of 10 belows, sea by pipeline, after cooling, flow to 2 li of endothermic water tanks again, formation circulates thus, and the direction of arrow is the flow direction of water among Fig. 1.The water-driven that hydraulic turbine generator 4 is subjected to flow in the circulation loop 1 is generated electricity.
As from the foregoing, the key of this electricity generating device and method is, having one is immersed in 10 belows, sea and utilizes seawater that the cooling water tank 3, of its cooling is positioned at the endothermic water tank 2 that 10 tops, sea are shined upon, between endothermic water tank 2 and cooling water tank 3, set up circulation loop 1, make water be subjected in circulation loop 1, to flow after the thermoconvection and promote hydraulic turbine generator 4 generatings.Need to prove, can set up many circulation loops 1 between this endothermic water tank 2 and the cooling water tank 3, in each circulation loop 1 hydraulic turbine generator 4 is installed all, can improve generating efficiency like this.
In addition, the power source of this electricity generating device is to utilize solar energy that endothermic water tank 2 is heated, in the present embodiment, utilize endothermic water tank 2 periphery covering heat-sink shell to realize 2 li of endothermic water tanks' water is heated, but be not limited thereto, also can utilize existing technology to collect solar energy converting and heat for the water of heat energy to 2 li of endothermic water tanks.
This electricity generating device also can be installed on river surface, the lake surface, is mounted on the water surface in theory to get final product.
Above-mentioned only is the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (6)
1, a kind of method of utilizing solar electrical energy generation is characterized in that comprising:
1) makes solar light irradiation be enclosed within water in the circulation loop, water is flowed in circulation loop;
2) utilize the mobile driving hydraulic turbine generator of the water in the circulation loop to generate electricity.
2, a kind of method of utilizing solar electrical energy generation as claimed in claim 1 is characterized in that: the part that makes the solar light irradiation circulation loop; Circulation loop partly soaked be located at sea, river surface or lake surface below, the aforementioned part of solar light irradiation that is subjected to is positioned at sea, river surface or lake surface top.
3, a kind of device that utilizes solar electrical energy generation is characterized in that comprising:
Circulation loop is partially submerged in sea, river surface or below the lake surface, part exposes to sea, river surface or lake surface top, and this exposed parts part is absorbed heat by solar light irradiation;
Hydraulic turbine generator is installed in the circulation loop, generated electricity by the circulation loop water current driven.
4, as claim 3 device that utilizes solar electrical energy generation, it is characterized in that: described circulation loop is subjected to the part of solar light irradiation to form an endothermic water tank, and this endothermic water tank's periphery is coated with heat-sink shell; Described circulation loop is immersed in the following part of sea, river surface or lake surface and forms a cooling water tank.
5, as claim 4 device that utilizes solar electrical energy generation, it is characterized in that: described endothermic water tank's top forms the mouth of a river, and the below forms water intake.
6, as claim 5 device that utilizes solar electrical energy generation, it is characterized in that: described hydraulic turbine generator is installed near described endothermic water tank's the water outlet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100096080A CN101397982A (en) | 2007-09-27 | 2007-09-27 | Solar power generation method and device |
| PCT/CN2008/001663 WO2009049488A1 (en) | 2007-09-27 | 2008-09-27 | A method and a device for generation by solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100096080A CN101397982A (en) | 2007-09-27 | 2007-09-27 | Solar power generation method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101397982A true CN101397982A (en) | 2009-04-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100096080A Pending CN101397982A (en) | 2007-09-27 | 2007-09-27 | Solar power generation method and device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101397982A (en) |
| WO (1) | WO2009049488A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434358A (en) * | 2011-11-03 | 2012-05-02 | 文安县天澜新能源有限公司 | Liquid working medium temperature change self circulation power generation device and power generation method |
| CN112709664A (en) * | 2019-10-25 | 2021-04-27 | 国网安徽省电力有限公司 | Photo-thermal energy storage power generation system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4214415A4 (en) * | 2020-09-21 | 2024-07-10 | Equilibrium Energy Pty Ltd | Solar power system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5246245A (en) * | 1975-10-09 | 1977-04-12 | Kazuo Uema | Method and apparatus for sea-thermal power generation-utilizi ng solar-heat collecting device |
| CN1297744C (en) * | 2005-03-24 | 2007-01-31 | 上海交通大学 | Ocean temperature difference energy and solar energy reheat circulating electric generating method |
| CN1896501A (en) * | 2005-07-12 | 2007-01-17 | 孟英志 | Energy conversion and converter, power generation and generator |
-
2007
- 2007-09-27 CN CNA2007100096080A patent/CN101397982A/en active Pending
-
2008
- 2008-09-27 WO PCT/CN2008/001663 patent/WO2009049488A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434358A (en) * | 2011-11-03 | 2012-05-02 | 文安县天澜新能源有限公司 | Liquid working medium temperature change self circulation power generation device and power generation method |
| CN112709664A (en) * | 2019-10-25 | 2021-04-27 | 国网安徽省电力有限公司 | Photo-thermal energy storage power generation system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2009049488A1 (en) | 2009-04-23 |
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Open date: 20090401 |