CN102706010A - Passive automatic tracking system for heliostat of novel tower type solar heat collection system - Google Patents

Passive automatic tracking system for heliostat of novel tower type solar heat collection system Download PDF

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Publication number
CN102706010A
CN102706010A CN201210205821XA CN201210205821A CN102706010A CN 102706010 A CN102706010 A CN 102706010A CN 201210205821X A CN201210205821X A CN 201210205821XA CN 201210205821 A CN201210205821 A CN 201210205821A CN 102706010 A CN102706010 A CN 102706010A
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CN
China
Prior art keywords
heliostat
type solar
axle
automatic tracking
parallelogram abcd
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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.)
Pending
Application number
CN201210205821XA
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Chinese (zh)
Inventor
赵琦
杨永健
陶明霞
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Changzhou Y & M Industries Co Ltd
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Changzhou Y & M Industries Co Ltd
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.)
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Publication date
Application filed by Changzhou Y & M Industries Co Ltd filed Critical Changzhou Y & M Industries Co Ltd
Priority to CN201210205821XA priority Critical patent/CN102706010A/en
Publication of CN102706010A publication Critical patent/CN102706010A/en
Pending legal-status Critical Current

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    • 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

Abstract

The invention relates to the technical field of solar thermal power generation, in particular to a passive automatic tracking system for a heliostat of a novel tower type solar heat collection system. Point A and point C of parallelogram ABCD of the passive automatic tracking system for a heliostat of a novel tower type solar heat collection system are connected via screw rods to form a shaft AC, the heliostat is installed at the point A, the plane of the heliostat is perpendicular to the shaft AC, a plane perpendicular to a shaft AB is arranged on an extension line of he shaft AB of the parallelogram ABCD, a collimating calibration instrument is placed on the plane during system installation and debugging or maintenance calibration, and the target of the collimating calibration instrument is the center of a heat collector. In the passive automatic tracking system for a heliostat of a novel tower type solar heat collection system, a tracking mechanism for a heliostat of tower type solar heat collection and heat collection power generating system is designed in a whole new perspective, the problems of complex debugging and troublesome installation control of various traditional tower type solar heliostat tracking systems are solved in simple structure and method.

Description

The passive automatic tracking system of novel tower-type solar thermal collection system heliostat
Technical field
The present invention relates to a kind of solar energy thermal-power-generating technology, relate in particular to a kind of passive automatic tracking system of novel tower-type solar thermal collection system heliostat.
Background technology
Solar heat power generation system does not consume fossil energy, and non-pollutant discharge is to utilize system with the harmonious clean energy resource of ecological environment.At present slot type, tower and butterfly solar heat power generation system receive the attention of countries in the world equally, and are actively developing work.And tower system is big with its scale, thermal losses is little and characteristics such as temperature height tentatively manifest advantage.
Tower type solar thermo-power station (being tower-type solar thermal power generating system) is mainly by condenser system; Suction/heat-exchange system; Heat reservoir and electricity generation system four parts are formed; Wherein the efficient of condenser system and cost thereof influence the cost performance of thermo-power station to a great extent, are to make up to need the factor of consideration emphatically in the solar heat power station.Condenser system mainly is made up of heliostat and heat collector; The effect of heliostat is to collect solar radiant energy and it is converged to the heat collector place; It can be made up of around the heliostat of double-axis tracking what arrange by certain way; Each heliostat is followed the tracks of the sun and will be radiated its surperficial solar energy reflection to the cat head heat collector through swaying, and accomplishes the purpose of optically focused (being thermal-arrest).
The process route that tower-type solar thermal power generating system adopts light-heat-electricity to transform is a heat energy with conversion of solar energy earlier promptly, again heat energy is converted into electric energy.Through solar energy hierarchical segmentation heating, adopt ordinary solar heat collector to make the low section heating of water earlier, be heated to middle temperature by concentrating solar collector again, be heated to high temperature by tracking illumination formula solar energy high temperature heater again.
Along with the development of heliotechnics, tower type solar thermal-arrest and electricity generation system become the system of comparative maturity, but the operation of the follower of its heliostat and installation regulation and control more complicated and loaded down with trivial details.
Summary of the invention
The technical problem that the present invention will solve is: along with the development of heliotechnics; Tower type solar thermal-arrest and electricity generation system become the system of comparative maturity; But more complicated and loaded down with trivial details is regulated and control in the operation of the follower of its heliostat and installation, and a kind of passive automatic tracking system of novel tower-type solar thermal collection system heliostat is provided.
In order to overcome the defective that exists in the background technology; The technical solution adopted for the present invention to solve the technical problems is: the passive automatic tracking system of this novel tower-type solar thermal collection system heliostat comprises four parallel arms; Form the equilateral parallelogram ABCD of adjacent side by four parallel arms, A point and the C point of said parallelogram ABCD are connected to form the AC axle, and said AC axle is provided with screw rod; Heliostat is installed at A point place; The plane of heliostat is vertical with the AC axle, and the extended line of the AB arm of said parallelogram ABCD is provided with the plane vertical with the AB axle, and this plane is provided with the collimation calibration instrument when system's Installation and Debugging or maintenance calibration; The collimation calibration instrument is corresponding to heat collector, and the AB arm of said parallelogram ABCD is provided with turning cylinder.
According to another embodiment of the invention, the A point that further comprises said parallelogram ABCD is the intersection point of heliostat pitch axis and turning cylinder.
According to another embodiment of the invention, comprise that further said turning cylinder is the heliostat rotating shaft.
According to another embodiment of the invention, comprise that further the screw rod of the AC axle of said parallelogram ABCD is the screw rod rectilinear motion, the variation of angle BAC and angle DAC is consistent.
According to another embodiment of the invention, the extended line that further comprises the AB axle of said parallelogram ABCD is the direction of the reflection ray of heliostat, the center of the corresponding heat collector of the direction of light.
According to another embodiment of the invention, the extended line that further comprises the AD axle of said parallelogram ABCD is the direction of the incident ray of heliostat.
According to another embodiment of the invention, the extended line that further comprises the AD axle of said parallelogram ABCD is provided with the sunshine tracking photoelectric probe.
The invention has the beneficial effects as follows: the passive automatic tracking system of this novel tower-type solar thermal collection system heliostat from a brand-new angle design follower of tower type solar thermal-arrest and thermal-arrest electricity generation system heliostat; With the complicacy debugging that simple structural approach has solved existing various tower type solar heliostat tracking systems, the problem that installation and control is loaded down with trivial details.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a kind of structural representation of implementing to be listed as of the present invention;
Fig. 3 is a kind of structural representation of implementing to be listed as of the present invention;
Fig. 4 is a kind of structural representation of implementing to be listed as of the present invention.
Wherein: 1, screw rod, 2, heliostat, 3, the collimation calibration instrument, 4, heat collector, 5, turning cylinder, 6, the plane, 7, the sunshine tracking photoelectric probe.
The specific embodiment
Fig. 1 is a structural representation of the present invention, comprises four parallel arms among the figure, forms the equilateral parallelogram ABCD of adjacent side by four parallel arms; A point and the C point of said parallelogram ABCD are connected to form the AC axle; Said AC axle is provided with screw rod 1, and heliostat 2 is installed at A point place, and the plane of heliostat 2 is vertical with the AC axle; The extended line of the AB arm of said parallelogram ABCD is provided with the plane vertical with the AB axle 6; This plane 6 is provided with collimation calibration instrument 3 when system's Installation and Debugging or maintenance calibration, collimation calibration instrument 3 is corresponding to heat collector 4, and the AB arm of said parallelogram ABCD is provided with turning cylinder 5.The A point of parallelogram ABCD is connected through screw rod 1 with the C point, and when screw rod 1 moving linearly, angle BAC and angle DAC will be along with the variations of the AB arm of parallelogram ABCD and AD arm and changed, and remain equal.Around this principle; The installation of heliostat 2 is vertical with the AC axle; The extended line of the AB arm of parallelogram ABCD is provided with the plane vertical with the AB axle 6; The collimation calibration instrument is placed in this plane 6 when system's Installation and Debugging or maintenance calibration, and the AB arm is rotated only, makes the extended line of AB arm point to the thermal-arrest point all the time.
The A point of parallelogram ABCD is the intersection of the pitch axis and the rotating shaft of heliostat 2.Screw rod 1 rectilinear motion drive heliostat 2 through connection A point and C are ordered is done the pitching adjustment.
Turning cylinder 5 is the heliostat rotating shaft, for being rotated counterclockwise.Through the rotation of AB axle and the rotation of turning cylinder 5, realize rotatablely moving of heliostat 2 all directions.Form thus 2 pairs of sun of heliostat from motion tracking.
The screw rod 1 of the AC axle of parallelogram ABCD is the screw rod rectilinear motion, and the variation of angle BAC and angle DAC is consistent.
The extended line of the AB axle of parallelogram ABCD is the direction of the reflection ray of heliostat 2.The extended line of AB axle points to heat collector 4 all the time, makes the adjustment of heliostat 2 become simple.
The extended line of the AD axle of parallelogram ABCD is the direction of the incident ray of heliostat.The direction of incident ray is the direction of sunray.
The extended line of the AD axle of parallelogram ABCD is provided with photoelectric probe.When the incident sunray changed, sunshine tracking photoelectric probe 7 was sent signal, and screw rod 1 on the drive mechanism AC axle and rotating shaft 5 associated movements on the AB axle keep the AD axle to point to the sun all the time.
The screw rod 1 of the AC axle of parallelogram ABCD carries out the screw rod rectilinear motion, and the variation of angle BAC and angle DAC is consistent.The extended line of AB axle equates with angle BAC with the angle of heliostat 2 normals; The extended line of AD axle equates with angle DAC with the angle of heliostat 2 normals; And the angle of the extended line of AB axle and heliostat normal promptly is the reverberation line angle of heliostat, and the angle of the extended line of AD axle and heliostat normal promptly is the entrance ray angle of heliostat 2.Therefore as long as sunshine tracking photoelectric probe 7 is aimed at the sun all the time, sun lights will shine on the heat collector 4 after the reflection on the heliostat 2 always so.
Like Fig. 2, Fig. 3 and shown in Figure 4,, aim at the sun all the time according to sunshine tracking photoelectric probe 7 for enforcement row of the present invention; Sunray incides on the heliostat 2, and heliostat 2 incides heat collector 4 with reverberation, through collimation calibration instrument 3; The reflection ray of heliostat 2 is aimed at heat collector 4 all the time, according to sunshine tracking photoelectric probe 7, and the moving of sunshine; Also along with moving, the twisting of heliostat 2 is through rotating shaft 5 and screw rod 1 motion for heliostat 2, and rotating shaft 5 is rotated motion; Screw rod 1 carries out rectilinear motion
The passive automatic tracking system of this novel tower-type solar thermal collection system heliostat from a brand-new angle design follower of tower type solar thermal-arrest and thermal-arrest electricity generation system heliostat; With the complicacy debugging that simple structural approach has solved existing various tower type solar heliostat tracking systems, the problem that installation and control is loaded down with trivial details.

Claims (7)

1. the passive automatic tracking system of a novel tower-type solar thermal collection system heliostat; Comprise four parallel arms; Form the equilateral parallelogram ABCD of adjacent side by four parallel arms, it is characterized in that: A point and the C point of said parallelogram ABCD are connected to form the AC axle, and said AC axle is provided with screw rod (1); Heliostat (2) is installed at A point place; The plane of heliostat (2) is vertical with the AC axle, and the extended line of the AB arm of said parallelogram ABCD is provided with the plane vertical with the AB axle (6), and this plane (6) are provided with collimation calibration instrument (3) when system's Installation and Debugging or maintenance calibration; Collimation calibration instrument (3) is corresponding to heat collector (4), and the AB arm of said parallelogram ABCD is provided with turning cylinder (5).
2. the passive automatic tracking system of novel tower-type solar thermal collection system heliostat as claimed in claim 1 is characterized in that: the A point of said parallelogram ABCD is the intersection point of heliostat (2) pitch axis and turning cylinder (5).
3. the passive automatic tracking system of novel tower-type solar thermal collection system heliostat as claimed in claim 1 is characterized in that: said turning cylinder (5) is heliostat (a 2) rotating shaft.
4. the passive automatic tracking system of novel tower-type solar thermal collection system heliostat as claimed in claim 1 is characterized in that: the screw rod (1) of the AC axle of said parallelogram ABCD is the screw rod rectilinear motion, and the variation of angle BAC and angle DAC is consistent.
5. the passive automatic tracking system of novel tower-type solar thermal collection system heliostat as claimed in claim 1; It is characterized in that: the extended line of the AB axle of said parallelogram ABCD is the direction of the reflection ray of heliostat (2), the center of the corresponding heat collector of the direction of light (4).
6. the passive automatic tracking system of novel tower-type solar thermal collection system heliostat as claimed in claim 1 is characterized in that: the extended line of the AD axle of said parallelogram ABCD is the direction of the incident ray of heliostat (2).
7. the passive automatic tracking system of novel tower-type solar thermal collection system heliostat as claimed in claim 1 is characterized in that: the extended line of the AD axle of said parallelogram ABCD is provided with sunshine tracking photoelectric probe (7).
CN201210205821XA 2012-06-21 2012-06-21 Passive automatic tracking system for heliostat of novel tower type solar heat collection system Pending CN102706010A (en)

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Application Number Priority Date Filing Date Title
CN201210205821XA CN102706010A (en) 2012-06-21 2012-06-21 Passive automatic tracking system for heliostat of novel tower type solar heat collection system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103019264A (en) * 2013-01-11 2013-04-03 常州市亚美电气制造有限公司 Tracking system of small and medium size tower type reflecting and concentrating solar heliostat field
CN103309361A (en) * 2013-06-03 2013-09-18 梁方民 Tracking and aiming control method and device for heliostat
CN103728984A (en) * 2013-12-25 2014-04-16 青海中控太阳能发电有限公司 Method for rapidly opening and closing mirror field

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123957A (en) * 1979-02-23 1980-09-24 Vulcan Australia Solar heat collection equipment flumeeshaped heat collector therefor
CN101236287A (en) * 2008-02-26 2008-08-06 苏建国 Heliostat device
CN201464700U (en) * 2009-07-31 2010-05-12 马健 Rapid-loading heliostat
CN102087400A (en) * 2010-10-22 2011-06-08 沈宏 Heliostat and interlocking heliostat array device
CN202066225U (en) * 2011-01-10 2011-12-07 浙江大学 Concentrating tracking precision optimism and revision system device of single-shaft concentrating solar heat collection field system
CN202757302U (en) * 2012-06-21 2013-02-27 常州市亚美电气制造有限公司 Novel passive automatic tracking system of heliostat of tower type solar heat collecting system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55123957A (en) * 1979-02-23 1980-09-24 Vulcan Australia Solar heat collection equipment flumeeshaped heat collector therefor
CN101236287A (en) * 2008-02-26 2008-08-06 苏建国 Heliostat device
CN201464700U (en) * 2009-07-31 2010-05-12 马健 Rapid-loading heliostat
CN102087400A (en) * 2010-10-22 2011-06-08 沈宏 Heliostat and interlocking heliostat array device
CN202066225U (en) * 2011-01-10 2011-12-07 浙江大学 Concentrating tracking precision optimism and revision system device of single-shaft concentrating solar heat collection field system
CN202757302U (en) * 2012-06-21 2013-02-27 常州市亚美电气制造有限公司 Novel passive automatic tracking system of heliostat of tower type solar heat collecting system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103019264A (en) * 2013-01-11 2013-04-03 常州市亚美电气制造有限公司 Tracking system of small and medium size tower type reflecting and concentrating solar heliostat field
CN103019264B (en) * 2013-01-11 2015-09-09 常州市亚美电气制造有限公司 A kind of tracker of middle-size and small-size tower reflecting condensation solar heliostat field
CN103309361A (en) * 2013-06-03 2013-09-18 梁方民 Tracking and aiming control method and device for heliostat
CN103728984A (en) * 2013-12-25 2014-04-16 青海中控太阳能发电有限公司 Method for rapidly opening and closing mirror field
CN103728984B (en) * 2013-12-25 2016-03-30 青海中控太阳能发电有限公司 A kind of high-speed switch mirror field method

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Application publication date: 20121003

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