CN106247634A - A kind of butterfly Stirling solar heat generating birefringence fixed-focus system - Google Patents
A kind of butterfly Stirling solar heat generating birefringence fixed-focus system Download PDFInfo
- Publication number
- CN106247634A CN106247634A CN201610801771.XA CN201610801771A CN106247634A CN 106247634 A CN106247634 A CN 106247634A CN 201610801771 A CN201610801771 A CN 201610801771A CN 106247634 A CN106247634 A CN 106247634A
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- China
- Prior art keywords
- ground level
- worm screw
- solar heat
- stirling
- illuminator
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- 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.)
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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
- F24S23/71—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with parabolic reflective surfaces
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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
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
- F03G6/068—Devices for producing mechanical power from solar energy with solar energy concentrating means having other power cycles, e.g. Stirling or transcritical, supercritical cycles; combined with other power sources, e.g. wind, gas or nuclear
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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
- F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
-
- 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
- F24S23/77—Arrangements for concentrating solar-rays for solar heat collectors with reflectors with flat reflective plates
-
- 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
- F24S20/00—Solar heat collectors specially adapted for particular uses or environments
- F24S20/20—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
- F24S2020/23—Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants movable or adjustable
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
A kind of butterfly Stirling solar heat generating birefringence fixed-focus system belongs to solar energy thermal-power-generating field.At present in the various ways of solar energy thermal-power-generating, the generating of butterfly Stirling solar heat creates and exceedes the highest record accepting solar thermal energy 30% generating efficiency.But in example is promoted, there is the structure of the Stirling engine real-time tracking sunlight motion heavy by huge parabolic lens support supporting drive, the poor safety performance caused, cost height and the problems such as maintenance management of keeping a public place clean.One butterfly Stirling solar heat of the present invention generating birefringence fixed-focus system, huge parabolic lens is focused fixed installation with heavy Stirling engine electrification component on ground, add solar energy traceable ground level illuminator secondary reflecting mechanism, the sun light tracking motion amplitude made reduces 1/2, infrastructure cost and management cost are greatly reduced, and overall efficiency is greatly improved.
Description
Technical field
The invention belongs to solar energy thermal-power-generating field, relate to a kind of butterfly Stirling solar heat generating birefringence and focus
System.
Background technology
The at present topmost three kinds of forms of solar energy thermal-power-generating, in slot type, tower and dish-style, butterfly Stirling solar heat
Power generation project example, has created and has exceeded the highest record accepting solar thermal energy 30% generating efficiency.The popularization of this project is to the mankind
Solar thermal energy is efficiently utilized to have very important meaning.But in the butterfly Stirling engine power generation project of example, by
The structure of the Stirling engine real-time tracking solar motion that huge support supporting drive is heavy, top-heavy anti-for solving
Storm ability, necessarily strengthens and follows the tracks of the infrastructure cost of support and follow the tracks of power cost；Huge electromotor and center bearing bracket are to too
Blocking of sunlight, will affect effective hot-cast socket area；Owing to Stirling engine must lean on the biggest temperature difference to work, send out
Motivation is fully exposed in sunlight, even if taking the cooling measure of central fan, its radiating effect also will be to engine efficiency
Produce impact；The sand-proof of recessed supine high-altitude condenser lens and dust ability, if be suitable in air quality lower ground district
Using, maintenance of keeping a public place clean will be the cumbersome work that a maintenance cost is higher.Above factors all govern butterfly Stirling
The popularization and application of solar energy thermal-power-generating project.
Summary of the invention
For overcoming the deficiencies in the prior art, the present invention seeks to propose a kind of butterfly Stirling solar heat generating secondary folding
Penetrate fixed-focus system.
Adopt the following technical scheme that for achieving the above object
Described a kind of butterfly Stirling solar heat generating birefringence fixed-focus system fixes reflective surface on firm ground
The parabolic lens that focuses down, installs fixing Stirling engine, the ground level of central aperture at parabolic lens optically focused focal point
Illuminator is mounted on Stirling engine, and Stirling engine head heated portion exposes in plane mirror mider hole,
The bottom of ground level illuminator is adjusted worm screw support bar by Triangle-Profile dimension respectively and two longitudes adjust
Worm screw support bar is that dynamic support is connected by universal joint with ground level illuminator.
A kind of butterfly Stirling solar heat generating birefringence fixed-focus system of the present invention, fixed point parabolic lens is by heavily fortified point
Solid steel construction main support and fixing split minute surface reflector connection support composition, split minute surface reflector is by high reflecting rate
Metal or glass-mirror reflectorized material manufacture, and can use plane or parabola technique, split minute surface reflector plane mirror monolithic face
The long-pending optically focused focus heating surface that cannot be greater than, must have during the installation of split minute surface and can individually correct focusing reflective spot function, parabolic
Mirror overall structure profile can be that circle or rectangle etc. are synchronized with floor illuminator shape, and this is introduced case and uses rectangle.
A kind of butterfly Stirling solar heat generating birefringence fixed-focus system of the present invention, ground level illuminator by
Firm metal rack and the plane mirror composition that can assemble with piecemeal, plane mirror essential metal or glass etc. are high anti-
Light rate material manufactures, and can use tempering plate glass silver mirror material, except using nano-material coating dust prevention outer and taking calmly
Time automation dust suppression,
Sunlight birefringence of the present invention focuses condenser system, triangle is distributed uniform below ground level illuminator
Three fulcrum supports, can be positive triangle or inverted triangle distribution, the dimension that the intermediate angular positions of triangle is installed adjusts
Worm screw support bar, worm screw bottom is connected top and is connected with ground level illuminator with pedestal；It is arranged on about triangle
Two longitudes of two jiaos adjust worm screw support bar, adjust the same material structure of worm screw support bar with dimension, with ground level
Illuminator connects.
Owing to sunlight birefringence of the present invention focuses condenser system, because work place is relatively fixed, have employed
Active Digital Clock Control solar tracking servosystem (separate case patented technology), is arranged time control function by single-chip microcomputer, per diem to dimension
The motor dimension variation adjusting worm screw support bar provides pulse drive signal, thus changes the day of ground level illuminator
Dimension variation reflection angle converts, and by single-chip microcomputer by dividing the motor that longitude adjusts worm screw support bar to provide warp
Degree change pulse drives signal, thus changes minute longitude change reflection angle conversion of ground level illuminator.
Owing to have employed above method, sunlight birefringence of the present invention focuses condenser system advantage:
1, in original structure, the center bearing bracket of electromotor and support electromotor occupies parabolic reflector nearly 10% altogether, makes birefringence into
Deducting birefringence 5-8% loss after fixed-focus system, sunlight capture area increases.
2, the outstanding top-heavy problem of skyborne electromotor in the motion of Stirling Dish solar thermal power system is solved,
After making birefringence fixed-focus system into, motion parts plane mirror height is relatively low, and in a few days follows the tracks of and skin tracking motion amplitude
Less 1/2, complete machine weatherliness is strengthened..
3, Stirling engine is to play heat energy by enough temperature difference to change with mechanical energy, focuses owing to making birefringence into
System rear engine is arranged in the shade of reflector, and shady and cool heat dissipation environment can give full play to engine efficiency.
4, the hard-wired Stirling engine in ground, can easily cloudy day and use the auxiliary of natural gas equal energy source night
Help generating, play the service efficiency of efficient Stirling engine.
5, as this system is fixedly mounted on the river surface of water or flowing, electromotor may utilize current heat radiation, will be greatly improved
Generating efficiency.
6, install down due to optically focused parabolic mirror surface, sand and dust should not be adhered to, longer-term can be kept non-maintaining, low latitude work
Ground level illuminator is easier to keep a public place clean, and has saved substantial amounts of artificial dedusting maintenance cost.
Accompanying drawing explanation
Fig. 1, be one butterfly Stirling solar heat of the present invention generate electricity birefringence fixed-focus system structural representation.
Fig. 2 a, it is former butterfly Stirling solar heat generating system illumination two dimension principle schematic.
Fig. 2 b, it is invention a kind of butterfly Stirling solar heat generating birefringence fixed-focus system two dimension principle schematic.
In figure: 1, ground, 2, dimension adjust worm screw support bar, 3, motor, 4, support, 5, focus parabolic
Mirror, 6, Stirling engine, 7, ground level illuminator, 8, longitude adjust worm screw support bar.
Detailed description of the invention
In conjunction with accompanying drawing 1, present configuration is illustrated:
A kind of butterfly Stirling solar heat of the present invention generating birefringence fixed-focus system is upper solid at firm ground (1)
The fixed reflective ventricumbent parabolic lens that focuses (5), installs fixing Stirling engine (6) at parabolic lens optically focused focal point, in
Between the ground level illuminator (7) of perforate be mounted on Stirling engine (6), Stirling engine (6) head heated portion from
Exposing in plane mirror mider hole, the bottom of ground level illuminator (7) is adjusted whirlpool by Triangle-Profile dimension respectively
Wheel leading screw support bar (2) and two longitudes adjust worm screw support bar (8) by universal joint and ground level illuminator (7)
Connect in dynamic support.
A kind of butterfly Stirling solar heat generating birefringence fixed-focus system of the present invention, fixed point parabolic lens is by heavily fortified point
Solid steel construction main support (4) and fixing split minute surface reflector connection support composition, split minute surface reflector by height reflective
The metal of rate or glass-mirror reflectorized material manufacture, and can use plane or parabola technique, split minute surface reflector plane mirror list
Sheet area cannot be greater than optically focused focus heating surface, and split minute surface must have when installing can individually correct focusing reflective spot function,
Parabolic lens overall structure profile can be that circle or rectangle etc. are synchronized with floor illuminator (7) shape, and this is introduced case and adopts
Use rectangle.
A kind of butterfly Stirling solar heat generating birefringence fixed-focus system of the present invention, ground level illuminator
(7) by firm metal rack and can with piecemeal assemble plane mirror form, plane mirror essential metal or glass etc.
It is high reflecting rate material manufacture, tempering plate glass silver mirror material can be used, in addition to using nano-material coating dust prevention also
Take timing automatic dust removal with machine measure.
Sunlight birefringence of the present invention focuses condenser system, and ground level illuminator is distributed three below (7)
Three fulcrum supports that dihedral is uniform, can be positive triangle or inverted triangle distribution, of the intermediate angular positions installation of triangle
Dimension adjusts worm screw support bar (2), and worm screw bottom is connected top and is connected with ground level illuminator (7) with pedestal；Peace
Two longitudes being contained in about triangle two jiaos adjust worm screw support bar (8), adjust worm screw support bar (2) with dimension
Same material structure, is connected with ground level illuminator (7).
Owing to sunlight birefringence of the present invention focuses condenser system, because work place is relatively fixed, have employed
Active Digital Clock Control solar tracking servosystem (separate case patented technology), is arranged time control function by single-chip microcomputer, per diem to dimension
Motor (3) dimension variation adjusting worm screw support bar (2) provides pulse drive signal, thus it is reflective to change ground level
Mirror day dimension variation reflection angle conversion, and by single-chip microcomputer by point to longitude adjust worm screw support bar (8) a step
Entering motor provides longitude change pulse to drive signal, thus changes the change of minute longitude change reflection angle of ground level illuminator
Change.
In order to clearly understand butterfly Stirling solar heat generating birefringence fixed-focus system concentrating light principles with former
Butterfly Stirling solar heat generating system concentrating light principles refers to, former butterfly Stirling solar heat generating system shown in Fig. 2 a
Illumination two dimension principle schematic, Fig. 2 b is shown a kind of butterfly Stirling solar heat generating birefringence fixed-focus system two dimension
Principle schematic, in Fig. 2 a, parabolic lens is moving object with the Stirling engine of high temperature focal point, and the parabolic lens in Fig. 2 b becomes
Changing fixture into the Stirling engine of focal point, the task of tracks sunlight is replaced by ground level illuminator.
In view of the difference of latitude in earth somewhere, when different regions equipment is installed, structural point is all had any different, and the Northern Hemisphere is installed
Time, parabolic lens facing away from north Chao Nan, the Southern Hemisphere is contrary；This system is relatively suitable for the mid latitudes on earth major part land,
The application of earth low latitudes such as region of the equator can avoid noon by changing the measure such as illuminator north and south fixed angle and focal length
The parabola short time partial occlusion to illuminator.
Claims (5)
1. a butterfly Stirling solar heat generating birefringence fixed-focus system is in the upper fixing reflective surface court of firm ground (1)
Under the parabolic lens that focuses (5), at parabolic lens optically focused focal point, fixing Stirling engine (6), the ground of central aperture are installed
Plane mirror (7) is mounted on Stirling engine (6), and Stirling engine (6) head heated portion is from plane mirror
Exposing in mider hole, the bottom of ground level illuminator (7) is adjusted worm screw by Triangle-Profile dimension respectively and supports
Bar (2) and two longitudes adjust worm screw support bar (8) and pass through universal joint with ground level illuminator (7) in dynamic support
Connect.
A kind of butterfly Stirling solar heat generating birefringence fixed-focus system the most according to claim 1, pinpoints parabolic
Mirror is made up of the connection support of firm steel construction main support (4) and fixing split minute surface reflector, split minute surface reflector by
The metal of high reflecting rate or glass-mirror reflectorized material manufacture, and can use plane or parabola technique, and split minute surface reflector is put down
Face mirror monolithic area must not be 3. more than optically focused focus heating surface, and split minute surface must have when installing that can individually to correct focusing reflective
Point function, parabolic lens overall structure profile can be that circle or rectangle etc. are synchronized with floor illuminator (7) shape, this introduction
Case uses rectangle.
A kind of butterfly Stirling solar heat generating birefringence fixed-focus system the most according to claim 1, ground level is anti-
Light microscopic (7) is by firm metal rack and can form with the plane mirror that piecemeal assembles, plane mirror essential metal or glass
Glass etc. are high reflecting rate material manufactures, can use tempering plate glass silver mirror material, except using nano-material coating dust prevention
Outer and take timing automatic dust removal with machine measure.
Sunlight birefringence the most according to claim 1 focuses condenser system, the lower EDS maps of ground level illuminator (7)
Having three fulcrum supports that triangle is uniform, can be positive triangle or inverted triangle distribution, the intermediate angular positions of triangle be installed
A piece dimension adjusts worm screw support bar (2), and worm screw bottom is connected top with ground level illuminator (7) even with pedestal
Connect；Two longitudes being arranged on about triangle two jiaos adjust worm screw support bar (8), adjust worm screw with dimension and support
Bar (2) same to material structure, is connected with ground level illuminator (7).
Sunlight birefringence the most according to claim 1 focuses condenser system, because work place is relatively fixed, have employed
Active Digital Clock Control solar tracking servosystem (separate case patented technology), is arranged time control function by single-chip microcomputer, per diem to dimension
Motor (3) dimension variation adjusting worm screw support bar (2) provides pulse drive signal, thus it is reflective to change ground level
Mirror day dimension variation reflection angle conversion, and by single-chip microcomputer by point to longitude adjust worm screw support bar (8) a step
Entering motor provides longitude change pulse to drive signal, thus changes the change of minute longitude change reflection angle of ground level illuminator
Change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801771.XA CN106247634B (en) | 2016-09-05 | 2016-09-05 | A kind of dish-style Stirling solar heat power generation secondary reflection fixed-focus system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610801771.XA CN106247634B (en) | 2016-09-05 | 2016-09-05 | A kind of dish-style Stirling solar heat power generation secondary reflection fixed-focus system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106247634A true CN106247634A (en) | 2016-12-21 |
| CN106247634B CN106247634B (en) | 2018-07-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610801771.XA Active CN106247634B (en) | 2016-09-05 | 2016-09-05 | A kind of dish-style Stirling solar heat power generation secondary reflection fixed-focus system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023178841A1 (en) * | 2022-03-22 | 2023-09-28 | 于善广 | Double-sided mirror field of one-dimensional rotating three-time reflection solar concentrator and heat collection pipeline thereof |
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| US20140251307A1 (en) * | 2013-03-11 | 2014-09-11 | Martin E. Nix | Tilt-able planar reflectors to heat a solar smelter's thermal mass |
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| CN101460788A (en) * | 2006-10-05 | 2009-06-17 | 卢嫩堡铸造工程有限公司 | Two-stage solar concentrating system |
| US20100078012A1 (en) * | 2008-09-30 | 2010-04-01 | Martin Nix | Half parabolic dish reflector with planar reflector solar smelter |
| CN101403926A (en) * | 2008-10-23 | 2009-04-08 | 北京交通大学 | Hydraulic three-rod support type solar tracking apparatus |
| CN102308159A (en) * | 2009-01-22 | 2012-01-04 | 茵斯派德外科技术公司 | Actuated feedforward controlled solar tracker system |
| DE102009048855A1 (en) * | 2009-10-09 | 2011-04-14 | Jungbluth, Jürgen, Dipl.-Ing. | Device for positioning solar system, has support and actuators, where support and actuators are fixed at solar system and underground |
| DE102010052967A1 (en) * | 2010-11-30 | 2012-05-31 | Robert Bosch Gmbh | Device and method for moving a moving part of a solar system |
| CN102606430A (en) * | 2012-04-10 | 2012-07-25 | 刘晓冰 | Separately running disc-type solar concentrated power generating system |
| CN202645895U (en) * | 2012-05-23 | 2013-01-02 | 华电电力科学研究院 | Solar-gas complementary disc type sterling solar energy heat and power cogeneration device |
| US20140251307A1 (en) * | 2013-03-11 | 2014-09-11 | Martin E. Nix | Tilt-able planar reflectors to heat a solar smelter's thermal mass |
| CN103185407A (en) * | 2013-04-22 | 2013-07-03 | 南京工业大学 | Three-point supporting type heliostat supporting device |
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| WO2023178841A1 (en) * | 2022-03-22 | 2023-09-28 | 于善广 | Double-sided mirror field of one-dimensional rotating three-time reflection solar concentrator and heat collection pipeline thereof |
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| Publication number | Publication date |
|---|---|
| CN106247634B (en) | 2018-07-10 |
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