CN102124284A - Heliostat joint - Google Patents

Heliostat joint Download PDF

Info

Publication number
CN102124284A
CN102124284A CN2009801322160A CN200980132216A CN102124284A CN 102124284 A CN102124284 A CN 102124284A CN 2009801322160 A CN2009801322160 A CN 2009801322160A CN 200980132216 A CN200980132216 A CN 200980132216A CN 102124284 A CN102124284 A CN 102124284A
Authority
CN
China
Prior art keywords
heliostat
joint
axis
base
array
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.)
Pending
Application number
CN2009801322160A
Other languages
Chinese (zh)
Inventor
A·B·米尼克
R·丹尼尔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aerojet Rocketdyne of DE Inc
Raytheon Technologies Corp
Original Assignee
United Technologies Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by United Technologies Corp filed Critical United Technologies Corp
Publication of CN102124284A publication Critical patent/CN102124284A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S30/40Arrangements for moving or orienting solar heat collector modules for rotary movement
    • F24S30/45Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
    • F24S30/455Horizontal primary axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S30/00Arrangements for moving or orienting solar heat collector modules
    • F24S2030/10Special components
    • F24S2030/13Transmissions
    • F24S2030/135Transmissions in the form of threaded elements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24SSOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
    • F24S25/00Arrangement of stationary mountings or supports for solar heat collector modules
    • F24S25/10Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/40Solar thermal energy, e.g. solar towers
    • Y02E10/47Mountings 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)
  • Mounting And Adjusting Of Optical Elements (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)

Abstract

A heliostat includes a joint with a range of motion in both elevation and azimuth of more than 90 degrees.

Description

The heliostat joint
The priority that No. 61/089,843, the interim patent disclosure of the U.S. of disclosure requirement application on August 18th, 2008.
Technical field
The disclosure relates to a kind of heliostat, relates more specifically to be used for the joint of heliostat.
Background technology
Current heliostat all can have relative limited scope at the azimuth with motion on the elevation angle.This limited relatively range of movement need change structure with operation best at different region locations and at different latitudes.This can cause different regions or even the different piece of same region in adopt different heliostats structures with solar focusing on receiver.
Special time during this limited relatively range of movement also can need some heliostats by day with itself reorientation 180 degree to continue to follow the tracks of the sun.This action needs about 15 minutes usually, can not catch solar energy during this period.
Summary of the invention
The range of movement that is included in the elevation angle and direction according to the heliostat of disclosure exemplary aspect all surpasses the joints of 90 degree.
Heliostat according to disclosure exemplary aspect comprises the base that limits longitudinal axis, and described base limits first radius.First link (link) is installed on described base movingly around first axle.Second link is installed on described first link movingly around second axis, and described second axis is from described at least first radius of described longitudinal centre line displacement.
Heliostat according to disclosure exemplary aspect comprises the joint with first member and second member, the rotation antarafacial of the rotation of wherein said first member and described second member, wherein said first member axis is offset first distance from described second member axis, and wherein said second member is about at least 1/2 of described first distance around the radical length of described second axis.
Description of drawings
For those skilled in the art, various features can become obvious from the detailed description of disclosed non-limiting example.Drawings that accompany the detailed description can briefly explain as follows:
Fig. 1 is the overall schematic views that is used for solar column of the present invention system;
Fig. 2 is the perspective view of heliostat;
Fig. 3 A is the side view of heliostat on primary importance with heliostat array;
Fig. 3 B is the top view of heliostat on the second place with heliostat array;
Fig. 4 is first perspective view that links that is used for the joint of heliostat;
Fig. 5 is second perspective view that links that is used for the joint of heliostat;
Fig. 6 is the perspective view of another embodiment of first link that is used for the joint of heliostat;
Fig. 7 A is the side view of heliostat on primary importance with heliostat array, shows drive system;
Fig. 7 B is the top view of heliostat on the second place with heliostat array, shows drive system;
Fig. 8 is the top expanded view of drive system; And
Fig. 9 is the side expanded view of drive system.
The specific embodiment
With reference to Fig. 1, solar column system 20 comprises the high central receiver system 22 of assembling, central receiver system 22 has receiver 24, and the square on the ground predetermined altitude of receiver 24 is couple to tower structure 25 to receive solar radiation S from a plurality of solar tracking mirrors or heliostat 26.The salt of fusing or other heat-transfer fluid are transmitted through central receiver system 22 and are heated from cold tank system 28.Heated heat-transfer fluid is transferred to hot tank system 30 then.When needs power, the heat-transfer fluid of heat is pumped into steam generation systems 32 and produces steam.This steam drives steam turbine plant/generator system 34 and produces electric energy so that be transferred to electrical network.Heat-transfer fluid from steam generator get back to cold tank system 28 with storage up to central receiver system 22, being heated once more, steam is recovered by condenser system 36 simultaneously.Disclose concrete component configuration in the embodiment shown although should understand, adopted any configuration of heliostat all can benefit from the disclosure.
With reference to Fig. 2, heliostat 26 generally comprises base 40, joint 42, frame assembly 44 and heliostat array 46.Base 40 supported joints 42 with allow frame assembly 44 and thereby allow the joint motions (articulation) of heliostat array 46, thereby follow the tracks of the sun and focus on solar radiation S as required.
With reference to Fig. 3 A, base 40 can be and limits longitudinal centre line A and radius r 1(Fig. 3 B) roughly cylinder.In disclosed non-limiting example, hemispherical cap 48 covers base 40.
Joint 42 generally comprises first link, 50 and second link 52.First link 50 comprises first bow-shaped arm 54 with end pivoting 54A, 54B, and second bow-shaped arm 56 with end pivoting 56A, 56B.As shown in the figure, end pivoting 54A, 54B limit initial elevation angle axis B, and end pivoting 56A, 56B qualification initial orientation angle axis C(is also shown in Figure 4).End pivoting 54A, 54B make axis B transverse to axis C with respect to the orientation of end pivoting 56A, 56B.In a non-limiting example, axis B is perpendicular to axis C.
Second link 52 comprises the bow-shaped arm 58(Fig. 5 with end pivoting 58A, 58B), end pivoting 58A, 58B engage end pivoting 56A, the 56B(of first link 50 along axis C).Alternatively, first link 50 ' comprises single end pivoting 56C(Fig. 6).
First link 50 is installed on base 40 movingly around axis B.Second link 52 is installed on first link 50 movingly around axis C.Also promptly, axis C is offset column radius r1 at least with respect to longitudinal centre line A by axis B, to realize significant freedom of motion.Second link 52 is positioned heliostat array 46 from extra at least radius r 1 place of axis C, to provide heliostat array 46 with respect to unrestricted in fact azimuth of base 40 and elevational movement.By adopting elevation angle axis B to realize skew, joint 42 all provides significant range of movement on the elevation angle and azimuth.In a non-limiting example, on the elevation angle and azimuth, this range of movement surpasses 90 degree, approximately is 180 degree usually.Should be understood that heliostat array 46 can asymmetricly install as required to optimize load and other operating characteristic and demand.
Kinematics combination by uniqueness has realized the smooth and continuous motion of gamut under no singular point condition.This range of movement has been avoided any rare non-sun collection action (maneuver).
With reference to Fig. 7 A, be attached at the orientation and the position of the drive system 70 qualification heliostat arrays 46 between base 40 and the heliostat array 46 at 2 e, f place on the heliostat array 46.Drive system 70 generally comprises and is attached at heliostat array 46(by fixed mount 74A, 74B) with base 40(by skew arm 76A, 76B, Fig. 7 B) between two drive rod 72A, 72B, for example driving screws.
Drive system 70 is regulated heliostat array 46 to provide joint motions so that the range of movement that is provided by joint 42 to be provided with respect to base 40.Joint 42 is essentially heliostat array 46 a some g in the space is provided.By other two some e, f being defined as representative, set up the definition and the direction on heliostat array 46 planes by fixed mount 74A, 74B.By this way, do not have singular point, and do not need heavy significantly alignment orientation angle to continue to follow the tracks of the sun.On the contrary, realize solar tracking in level and smooth and continuous mode.
Each drive rod 72A, 72B are attached to fixed mount 74A, 78B by joint 78A, the 78B as spherojoint or U joint, so that universal connection to be provided betwixt.Fixed mount 74A, 74B support separately joint 78A, 78B allowing rotation and the joint motions of drive rod 72A, 72B separately, thus location heliostat array 46.
With reference to Fig. 8, each skew arm 76A, 76B generally comprise shoulder 80, arm 82, forearm 84, swivel bearing 86, wrist rotor 88 and CD-ROM drive motor 90.Pivot 92 between shoulder 80 and the arm 82 allow arms 82 transverse to base 40 and be roughly parallel to ground G(Fig. 7 A) plane P in move.Should understand plane P alternatively is orientated.
Wrist rotor 88 is installed to forearm 84 by swivel bearing 86, makes that wrist rotor 88 can be around forearm 84 rotations (being schematically shown by axis F and arrow F).Swivel bearing 86 can comprise the sleeve that allows rotation F in fact.
Wrist rotor 88 comprises rotating disk 96, and rotating disk 96 allows CD-ROM drive motor 90 rotations (W illustrates by arrow), and thereby allows drive rod 72A around axis W rotation (also shown in Figure 9).Also promptly, wrist rotor 88 support drive motors 90, drive rod 72 can extend and withdrawal along axis Y by for example passing CD-ROM drive motor 90 with the screw-threaded engagement of driving screw.Should understand alternatively or extraly provides other CD-ROM drive motor, for example linear electric motor or other telescopic arrangement.Rotating disk 96 can comprise that rotation hookup (coupling) is to be transferred to electric energy and control signal CD-ROM drive motor 90 separately.
Shoulder 80, arm 82, forearm 84 provide skew so that drive rod 72A, 72B to be provided full motion and avoid the excessive extension of drive rod 72A, 72B.Each length of arm 82 and forearm 84 can equal radius r 1 at least.The range of movement that whether provides greater or less than 180 degree partly is provided, arm 82 and forearm 84 can be longer or shorter length alternatively.Drive rod 72A, 72B can keep tensioning and only be compressed load when reducing extension when extending.
Joint 42 helps heliostat 26 extended operation scopes, and healthy and strong drive system 70 is used for controlling effectively and activating heliostat 26.Rare action is avoided, uncomplicated relatively and reliable hardware support heliostat array 46.
Should understand that identical Reference numeral refers to corresponding or similar element in all several accompanying drawings.Although will also be understood that to disclose concrete component configuration in the embodiment shown, other configuration also can be benefited from it.
Although illustrate, illustrate and claimed concrete sequence of steps, should be understood that unless otherwise indicated, but according to any order, carry out these steps alone or in combination, and will from the disclosure, benefit.
Above stated specification is exemplary, rather than is limited by the restriction in it.Herein disclosed is various non-limiting examples, will fall within the scope of the appended claims but those of ordinary skills will appreciate that the various modifications and variations of considering above-mentioned instruction.Therefore, be appreciated that within the scope of the appended claims, can with specify different modes and put into practice the disclosure.For this reason, should study claims to determine real scope and content.

Claims (20)

1. heliostat comprises:
Range of movement at the elevation angle and azimuth all surpasses the joint of 90 degree.
2. heliostat as claimed in claim 1, also comprise base, described joint is installed on described base, and described base limits first radius, described joint comprises a skew, and wherein heliostat array orientation angle rotation is from described at least first radius of described base longitudinal axis displacement.
3. heliostat as claimed in claim 1, wherein, described joint provides the range of movement of about 180 degree the elevation angle and azimuth both.
4. heliostat as claimed in claim 1, wherein, described joint does not comprise singular point.
5. heliostat as claimed in claim 1 also comprises drive system, and described drive system is with respect to base location heliostat array.
6. heliostat as claimed in claim 5, wherein, described drive system limits two points on described heliostat array, and described joint limits a point on described heliostat array.
7. heliostat as claimed in claim 6, wherein, described two points are partly limited by drive rod separately.
8. heliostat as claimed in claim 7, wherein, each of described drive rod separately comprises driving screw.
9. heliostat as claimed in claim 7, wherein, each of described drive rod separately is installed on described base by the skew arm configuration.
10. heliostat comprises:
Limit the base of longitudinal axis, described base limits first radius;
Be installed on first link of described base movingly around first axle; And
Be installed on second of described first link movingly around second axis and link, described second axis is from described at least first radius of described longitudinal centre line displacement.
11. heliostat as claimed in claim 10, wherein, described first axle is a longitudinal axis.
12. heliostat as claimed in claim 11, wherein, described second axis is an azimuthal axis.
13. heliostat as claimed in claim 10, wherein, described second axis normal is in described first axle.
14. heliostat as claimed in claim 10 also comprises the heliostat array that is installed on described second link.
15. heliostat as claimed in claim 14 also comprises drive system, described drive system is located described heliostat array with respect to base.
16. heliostat as claimed in claim 15, wherein, described drive system comprises two points that attach to described heliostat array, and described two points are partly limited by drive rod separately.
17. a heliostat comprises:
Joint with first member and second member,
Wherein, the rotation antarafacial of the rotation of described first member and described second member,
Wherein, the described axis of described first member is from described journal offset first distance of described second member, and
Wherein, described second member is about at least 1/2 of described first distance around the radical length of described second axis.
18. heliostat as claimed in claim 17, wherein, described radical length equals described first distance at least.
19. heliostat as claimed in claim 17, wherein, described joint provides the range of movement of spending greater than 90 at the elevation angle and azimuth both.
20. heliostat as claimed in claim 17, wherein, described joint provides the range of movement of about 180 degree the elevation angle and azimuth both.
CN2009801322160A 2008-08-18 2009-08-18 Heliostat joint Pending CN102124284A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US8984308P 2008-08-18 2008-08-18
US61/089843 2008-08-18
PCT/US2009/054124 WO2010022027A2 (en) 2008-08-18 2009-08-18 Heliostat joint

Publications (1)

Publication Number Publication Date
CN102124284A true CN102124284A (en) 2011-07-13

Family

ID=41707625

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009801322160A Pending CN102124284A (en) 2008-08-18 2009-08-18 Heliostat joint

Country Status (3)

Country Link
US (1) US20110108019A1 (en)
CN (1) CN102124284A (en)
WO (1) WO2010022027A2 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8168931B1 (en) * 2009-12-09 2012-05-01 Concrete Systems, Inc. Solar tracking device
US9746207B1 (en) * 2011-03-16 2017-08-29 Solarreserve Technology, Llc Tracking modules including tip/tilt adjustability and construction features
US20130061845A1 (en) * 2011-09-12 2013-03-14 Zomeworks Corporation Radiant energy driven orientation system
WO2013040715A1 (en) * 2011-09-21 2013-03-28 The University Of Western Ontario Solar tracker
CN103472851B (en) * 2012-06-09 2016-08-03 张建民 Practical intelligent sun system for tracking
AP2015008422A0 (en) * 2012-11-09 2015-05-31 Univ Stellenbosch A support structure for multiple heliostats
US9255725B2 (en) * 2014-01-30 2016-02-09 Jasem M K Th Sh Al-Enizi Sun tracking solar energy collection system
EP3231084A4 (en) 2014-12-12 2018-08-22 Nevados Engineering, Inc. Articulating joint solar panel array
US10388277B1 (en) 2015-06-25 2019-08-20 Amazon Technologies, Inc. Allocation of local and remote resources for speech processing
EP3179177A1 (en) 2015-12-07 2017-06-14 Marco Antonio Carrascosa Perez Heliostat with an improved structure

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064534A (en) * 1960-04-13 1962-11-20 United Aircraft Corp Reflector for space vehicle
US3105486A (en) * 1960-11-16 1963-10-01 United Aircraft Corp Mirror petal modulator
US4172739A (en) * 1977-12-27 1979-10-30 Solar Homes, Inc. Sun tracker with dual axis support for diurnal movement and seasonal adjustment
US4172443A (en) * 1978-05-31 1979-10-30 Sommer Warren T Central receiver solar collector using analog coupling mirror control
US4318522A (en) * 1979-05-01 1982-03-09 Rockwell International Corporation Gimbal mechanism
US4586488A (en) * 1983-12-15 1986-05-06 Noto Vincent H Reflective solar tracking system
US4832002A (en) * 1987-07-17 1989-05-23 Oscar Medina Unified heliostat array
WO1993013396A1 (en) * 1991-12-31 1993-07-08 Wattsun Corporation Method and apparatus for tracker control
DE9411061U1 (en) * 1994-07-07 1994-12-01 Schultze, Hans-Georg, 23996 Bobitz Solar energy supply and signal reception system
US20020042962A1 (en) * 2000-02-24 2002-04-18 Willman Kenneth William Cleaning sheets comprising a polymeric additive to improve particulate pick-up and minimize residue left on surfaces and cleaning implements for use with cleaning sheets
DE10022236B4 (en) * 2000-05-08 2005-09-01 Grollius, Horst-Walter, Dr.-Ing. Mechanical / hydraulic adjustment system for biaxial solar generators tracking the position of the sun
JP2002213827A (en) * 2001-01-17 2002-07-31 Sanesu:Kk Solar light collecting device
US20040134016A1 (en) * 2003-01-10 2004-07-15 Royal Appliance Manufacturing Company Suction wet jet mop
US7884279B2 (en) * 2006-03-16 2011-02-08 United Technologies Corporation Solar tracker
US20110030672A1 (en) * 2006-07-14 2011-02-10 Olsson Mark S Solar Collection Apparatus and Methods Using Accelerometers and Magnetics Sensors
CN101553698A (en) * 2006-09-22 2009-10-07 爱斯科姆控股有限公司 A heliostat support and drive mechanism
WO2008092195A1 (en) * 2007-01-29 2008-08-07 Solar Heat And Power Pty Ltd Solar energy collector field incorporating collision avoidance
ES2283233B1 (en) * 2007-03-29 2008-08-01 Jose Antonio Rodriguez Hoyo SOLAR TRACKER.

Also Published As

Publication number Publication date
US20110108019A1 (en) 2011-05-12
WO2010022027A3 (en) 2010-06-17
WO2010022027A2 (en) 2010-02-25

Similar Documents

Publication Publication Date Title
CN102124284A (en) Heliostat joint
US8322333B2 (en) Torque transfer between trough collector modules
EP0914582B1 (en) Solar concentrator elevational drive mechanism
CA2761088C (en) Solar power generation apparatus capable of tracking sunlight
EP3387269B1 (en) Solar tracker with clearance reducing device
WO2014018560A1 (en) Single axis solar tracker
US20160218663A1 (en) Solar Photovoltaic Single Axis Tracker
US20090199846A1 (en) Solar Roof Tracker
DK2195584T3 (en) Apparatus for connecting a fixed line with an absorber tube in a solar thermal power plant
US20230208349A1 (en) Variable terrain solar tracker
AU2017346481B2 (en) Variable terrain solar tracker
US20120125404A1 (en) Modular system for concentration of solar radiation
KR100772043B1 (en) Solar thermal electric power generation system
US20120180846A1 (en) Solar tracker for the orientation of solar panels
AU2006348550B2 (en) A heliostat support and drive mechanism
Diver et al. The advanced dish development system project
EP3516309A1 (en) Solar panel tracking system
WO2019136136A1 (en) Systems and methods to mount mirror panel assemblies on heliostats
JP3184326U7 (en)
JP3184326U (en) Solar power plant
US9746207B1 (en) Tracking modules including tip/tilt adjustability and construction features
CN109495058B (en) Solar panel support and drive system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C12 Rejection of a patent application after its publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20110713