CN202512287U - Heliostat and reflecting device thereof - Google Patents

Heliostat and reflecting device thereof Download PDF

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Publication number
CN202512287U
CN202512287U CN2012200738318U CN201220073831U CN202512287U CN 202512287 U CN202512287 U CN 202512287U CN 2012200738318 U CN2012200738318 U CN 2012200738318U CN 201220073831 U CN201220073831 U CN 201220073831U CN 202512287 U CN202512287 U CN 202512287U
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CN
China
Prior art keywords
reflection unit
brace
sway brace
heliostat
catoptron
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.)
Expired - Fee Related
Application number
CN2012200738318U
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Chinese (zh)
Inventor
S.休斯
Z.施威茨
R.巴沃尔
M.斯鲁特斯基
N.克鲁格曼
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Source Industry (israel) Co Ltd Of Light
Original Assignee
Source Industry (israel) Co Ltd Of Light
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 Source Industry (israel) Co Ltd Of Light filed Critical Source Industry (israel) Co Ltd Of Light
Priority to CN2012200738318U priority Critical patent/CN202512287U/en
Application granted granted Critical
Publication of CN202512287U publication Critical patent/CN202512287U/en
Priority to PCT/IB2013/051601 priority patent/WO2013128403A1/en
Priority to CN201380011871.7A priority patent/CN104136863B/en
Priority to US14/380,347 priority patent/US20150015975A1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/52—PV systems with concentrators

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Abstract

The utility model discloses a heliostat and a reflecting device thereof which are used for a central-tower power generating station. The heliostat comprises one or more motion components used for producing mechanical energy. The reflecting device comprises a reflector subassembly and a torque tube, wherein the reflector subassembly comprises at least one reflector and a plurality of supporting girder structures arranged behind the reflector, and the torque tube is configured for transmitting the mechanical energy to the reflector subassembly.

Description

Heliostat and reflection unit thereof
Technical field
The utility model relates to the solar electrical energy generation tower, and is particularly related to design and is used for the heliostat of this solar electrical energy generation tower, and is specifically related to its parts.
Background technology
Energy supplier is being devoted to seek substituting primary energy always.A kind of such energy is sun power, and a kind of mode of utilizing sun power is for adopting the solar electrical energy generation tower.
A kind of typical solar electrical energy generation tower apparatus comprises the array of heliostat and collects tower.Each heliostat all is configured to follow the tracks of the sun and daylight is reflected to the groove of collecting tower, thereby heats this groove and content thereof.The heat-transfer fluid (it can be the liquid such as fused salt or deep fat) that constitutes heat transport medium is contained in the above-mentioned groove.
The hot fluid of heating is delivered to power house (such as the steam power station), and wherein the heat energy of hot fluid is used to drive its one or more turbines, so that generate electricity as being connected to generator through the wheel shaft with each turbine in a conventional manner.
The utility model content
The purpose of the utility model is to provide a kind of heliostat and reflection unit thereof that is used for central tower power house, to solve existing technical matters.
According to the one side of theme disclosed in the utility model, a kind of reflection unit that is used for the heliostat of central tower power house is provided, this heliostat comprises one or more motor elements that are used to produce mechanical energy, said reflection unit comprises:
Mirror assembly, it comprises at least one catoptron and a plurality of sub-truss structure that is positioned at thereafter; And
Torque tube, it is configured to mechanical energy is transferred to mirror assembly.
Each truss-frame structure can comprise the sway brace that is basically parallel to catoptron, each is connected to two braces of sway brace on its top, and is attached to sway brace on its top and is attached to the center bearing bracket of brace in its bottom.
Center bearing bracket can comprise the jaw that is configured for the clamping torque tube.
Each sway brace can form has curve shape, and it can be nearly parabolic shape.
The sway brace of truss-frame structure can be along the curvilinear path setting.
Catoptron can be crooked on two vertical direction.
Catoptron can be attached to sway brace through bonding agent.
Each catoptron can comprise several and the vertically disposed banded mirror elements of sway brace.
According to theme disclosed in the utility model on the other hand, a kind of heliostat that comprises aforesaid reflection unit is provided.
The advantage of the utility model is, the architecture advances through to the reflection unit of its heliostat to improve the support strength of reflection unit, improves the reflection efficiency of back strut device, and the spring (following will the detailed description) rational in infrastructure, easy to assembly.
Description of drawings
In order to understand theme disclosed in the utility model and how to implement in order to understand in practice the utility model, at present will be and only come embodiment is described with unrestriced by way of example with reference to accompanying drawing, wherein:
Fig. 1 is the synoptic diagram of solar electrical energy generation tower;
Fig. 2 is the skeleton view of the heliostat of the solar electrical energy generation tower shown in Fig. 1;
Fig. 3 is the skeleton view according to the reflection unit of theme disclosed in the utility model;
Fig. 4 is the skeleton view of the torque tube of the reflection unit shown in Fig. 3;
Fig. 5 A is the side view of the sway brace of the reflection unit shown in Fig. 3;
Fig. 5 B is the skeleton view of the sway brace shown in Fig. 5 A;
Fig. 6 is the skeleton view of the brace of the reflection unit shown in Fig. 3;
Fig. 7 A is the skeleton view of the center bearing bracket of the reflection unit shown in Fig. 3;
Fig. 7 B is the decomposition view of the center bearing bracket shown in Fig. 7 A; And
Fig. 8 is the bottom view of the modification of the reflection unit shown in Fig. 3.
Embodiment
As shown in Figure 1, common solar electrical energy generation tower with 10 expressions is provided.Solar electrical energy generation tower 10 comprises the array of heliostat 12, and it is configured to the solar radiation of collecting tower 14 reflection bumps.Thereby collect tower 14 and contain the hot fluid (not included) that also is used for providing electric power by the solar radiation heating of reflection to the power house.The power house can be for example hydropower, and in this case, the hot fluid of heating is used to make water overheated, and these water are subsequently through turbine expansion, to obtain the useful energy and to generate electricity.
As shown in Figure 2, each heliostat 12 includes and is configured to heliostat is supported on the base device 16 of the fixed position in the ground and the heliostat assembly 18 that is supported by base device.
Base device 16 comprises the pylon 20 that is fixed in the ground and the position of especially supporting heliostat assembly 18 and the interface arrangement 22 that is supported by pylon.Base device also comprises position angle driver 24 and elevation angle driver 26, and it controls the position angle and the elevation angle of the reflecting surface of heliostat assembly 18 respectively.
Heliostat assembly 18 comprises the torque tube 28 that supports a plurality of sway braces 30.Some sway braces 30 support the catoptron 32 of the reflecting surface that constitutes heliostat assembly 18.Also be provided for the brace 38 that supports.Two braces 38 and a sway brace 30 constitute triangular structure together, to provide support.Sway brace 30, catoptron 32 and brace 38 constitute mirror assembly.
As shown in Figure 3, reflection unit 600 comprises common mirror assembly and torque tube 28 with 601 expressions.(should be understood that in Fig. 3 catoptron 32 is shown transparent, so that help to illustrate the element under it.) each sway brace 30 constitutes the truss 604 of mirror assembly 601 with two braces 38 and center bearing bracket 602.Center bearing bracket 602 withstands torque tube 28, thereby strengthens truss 604, and is used to support torque tube simultaneously, thereby is convenient to its motion is transferred to catoptron 32.
As shown in Figure 4, torque tube 28 is the hollow tube at both ends open.It can be processed by any suitable material, and has enough physical strengths, transfers to mirror assembly 601 with the mechanical energy of the form that will rotatablely move, and is not out of shape and can not show, and promptly reaches the degree that this distortion will influence its work unfriendly.
Provide sway brace 30 with along its width supporting reflex mirror 32.Usually, for each catoptron 32 several (for example, three) sway braces 30 spaced in parallel to each other are provided.Each sway brace 30 can be by any suitable material, and for example iron, aluminium or the synthetic material such as plastics are processed.It can use any suitable method, presses or extrudes and process such as rolling, lock.The length of sway brace 30 can equal the length of catoptron or less than its length.
From for example finding out Fig. 5 A, each sway brace 30 forms the slender member with common Ω shape profile, and it has roof 608 and basically vertically from its two sidewalls 610 that stretch out downwards.Roof 608 is generally smooth, so that be suitable for catoptron 32 attached to itly, and form and has the top passageway 612 (what in Fig. 5 A, see is inside indenture) of extending along the length of sway brace 30.Turn over end 614 on the lowermost end part termination of each sidewall 610, turn over end 614 on each and limit wing passage 616.The top of each sidewall 610 is being configured as outwardly directed bossing 618 near it to the zone of the connection of roof 608.For example when comparing with the passage of equal length and/or weight or L shaped profile, the above-mentioned section shape of sway brace 30 has increased its crooked moments of inertia.
Shown in Fig. 5 B, each sidewall 610 comprises brace mounting hole 620a, said brace mounting hole 620a can with center bearing bracket mounting hole 620b equi-spaced apart.Among brace mounting hole 620a and the center bearing bracket mounting hole 620b each is all with related with its corresponding aperture that is shaped relatively in another sidewall 610.Should be understood that brace mounting hole 620a can be along the asymmetric shaping of the length of sway brace 30, wherein compare that in the brace mounting hole one group forms more the end near sway brace with another group brace mounting hole of the other end that is formed at sway brace.
In addition, other hole 620c can be formed in the support bar 30.When using or dispose mirror assembly 601; These holes do not have any function and usage; But it is formed the manufacturing of being convenient to mirror assembly 601, for example when making or dispose mirror assembly or its parts, with hook or other similar supporting member it is hung through being convenient to.
When reflection unit 600 all assembled, sway brace 30 had curve shape, for example parabolic shape or nearly parabolic shape.This can have the sway brace 30 of required form through manufacturing, or through to provide support arm be upright and its bending is realized during the reflection unit 600 in assembling.Under latter instance, required form is the length through during assembling truss 604, regulating brace 28 for example, or realize through very accurately forming brace mounting hole 620a, wherein provides accurate tightening member so that brace is fastened on the sway brace 30.
Bonding agent is put on the roof 608 of sway brace 30, so that help catoptron attached to it.Bonding agent can be any suitable material or adhesive strip.Under the situation of bonding agent, can use single adhesive strip along the total length of sway brace 30, or can use a plurality of adhesive strips along its total length.For example, bonding agent can be contact adhesive, such as the contact adhesive that is provided with trade name " VHBTM " by 3M company.Downside with catoptron is attached to bonding agent subsequently.
As shown in Figure 6, each brace 38 is configured as the slender member of (hollow structure part) profile that has rectangle HHS.Brace 38 can be through extruding or forming through any other suitable method.The top 622 of each brace 38 can be circular.In two side plates that laterally arrange 624 of brace 38 each all forms the sway brace mounting hole 626 that has near top 622, and near the center bearing bracket mounting hole 628 of the bottom 630 of brace.In the hole 626,628 each all forms with respect to the corresponding aperture that forms in the opposite side plate 624.In addition, another hole 632 can be formed in the brace 38.When using or dispose mirror assembly 601; These holes do not have any function and usage; But it is formed the manufacturing of being convenient to mirror assembly 601, for example when making or dispose mirror assembly or its parts, with hook or other similar supporting member it is hung through being convenient to.
As stated, center bearing bracket 602 is provided so that strengthen truss 604, and supports torque tube 28 (in other words, it is convenient to by the torque tube sub-truss).Shown in Fig. 7 A and Fig. 7 B, center bearing bracket 602 has the shape of common triangle, and comprises the jaw 634 of common circle, and said jaw 634 is configured to clamping torque tube 28.Center bearing bracket 602 comprises identical 636a of first and second portion 636b (hereinafter; When general designation first and second portion; It will be represented by Reference numeral 636); Each center bearing bracket 602 is provided with, ° is shifted thereby make it pass through relatively another center bearing bracket Rotate 180.Each part 636 comprises front 638, back 640 and the upside web member 642 and the downside web member 644 that are across between the front and back and connect, and wherein upside web member and downside web member are separated by gap 646.
The front 638 of each part 636 is formed with outshot 648 in the top, and back 640 forms and has corresponding notch 650.Form notch 650 so that admit outshot 648 therein.The front 638 of each part also forms the preceding brace receiving opening 652a that has near its lower end, and is formed at the sway brace receiving opening 654 in the outshot 648.In addition, the back 640 of each part 636 forms has back brace receiving opening 652b, this back brace receiving opening 652b relatively before brace receiving opening 652a and forming.
Jaw 634 is limited seat, and said seat is usually with 658 expressions, and is formed in each of front 638 and back 640 of each part 636.Each 658 comprises the some torque tube surface in contacts 660 that separated by some notches 662.This structure is that center bearing bracket 602 provides flexibility, particularly in the zone of jaw 634, thereby is convenient to when admitting jaw therein, through jaw pressure is applied on the torque tube 28.This pressure can for example apply through the position of regulating brace 38 through on center bearing bracket 602, applying inside power.
When assembly center support 602, its part 636 is provided with, thereby makes the front 638 of each part overlap with back 640 coplanes of another part, wherein each outshot 648 is accepted in the corresponding notch 650 of another part.When part 638 so was provided with, sway brace receiving opening 654 was positioned opposite to each other.
Truss 604 can assemble as follows:
636a of first and second portion 636b are provided; And it is provided with; ° be shifted thereby make first pass through relative second portion Rotate 180, wherein the front 638 of each part overlaps with back 640 coplanes of another part, therefore constitutes center bearing bracket 602; Part 636 is provided with, thereby makes torque tube 28 be accepted in the jaw 634 of center bearing bracket and by its clamping;
Center bearing bracket mounting hole 620b and the clamp structure of sway brace receiving opening 654 of center bearing bracket 602 through fixedly passing sway brace is attached to sway brace 30, and wherein said sway brace receiving opening 654 is formed in the outshot 648 of two parts 636 of center bearing bracket;
Two braces 38 are provided, and wherein one the clamp structure (it can be for example high-strength anti-fatigue rivet) among the brace mounting hole 620a of sway brace mounting hole 626 and the sway brace of the top 622 of each brace through fixedly passing each brace is attached to sway brace 30; And
The bottom 630 of each brace 38 is accepted in the gap 646 and is arranged between the part 636 of center bearing bracket 602; Center bearing bracket mounting hole 620b and the preceding brace receiving opening 652a of center bearing bracket and the clamp structure of back brace receiving opening 652b of the bottom 630 of brace 38 through fixedly passing brace is attached on it.
Should be understood that and abovely described an instance that can how to assemble truss 604, and also can adopt any other suitable method.
Adjacent truss 604 can with the formation component truss, thereby make sway brace 30 extend along curvilinear path along torque tube 28 with the diverse location setting; Wherein outmost sway brace and torque tube spaced furthest; And innermost sway brace is with interval recently, that is, and and the opening orientating reflex mirror 32 of curve.The shape at edge can be para-curve or nearly parabolic shape.The arrangement of curves of sway brace 30 makes catoptron 32 curved shape on the direction vertical with sway brace length.
Catoptron 32 is for having the plane component on high reflection surface.Each catoptron 32 can be a monoblock, and is shown in Figure 3 as for example.According to modification, (catoptron 32 and sway brace 30 wherein only are shown) as shown in Figure 8, each catoptron can be made up of several banded mirror elements 664, and said banded mirror elements 664 vertically is provided with and is attached to sway brace.
Catoptron 32 can be processed by ultra-clear glasses or any other suitable material.These catoptrons 32 should have flexibility slightly at least, for example so that it is bent into aforesaid parabolic shape.The reflectivity of catoptron can be more than 90%, and for example 92.5%.The back of catoptron can be provided with coating, and this coating is designed protects it not receive the influence of rugged surroundings (for example desert Environment).
The technician in the field under the theme disclosed in the utility model under the situation that does not break away from the utility model scope, can carry out multiple variation, change and modification with easy to understand to it.

Claims (10)

1. reflection unit that is used for the heliostat of central tower power house, said heliostat comprises one or more motor elements that are used to produce mechanical energy, and it is characterized in that, said reflection unit comprises:
Mirror assembly, it comprises at least one catoptron and a plurality of sub-truss structure that is positioned at thereafter; And
Torque tube, it is configured to said mechanical energy is transferred to said mirror assembly.
2. reflection unit according to claim 1; It is characterized in that; Each said truss-frame structure comprises the sway brace that is basically parallel to said catoptron, each is connected to two braces of said sway brace on its top, and is attached to said sway brace on its top and is attached to the center bearing bracket of said brace in its bottom.
3. reflection unit according to claim 2 is characterized in that said center bearing bracket comprises the jaw that is configured for the said torque tube of clamping.
4. reflection unit according to claim 2 is characterized in that, each said sway brace forms has curve shape.
5. reflection unit according to claim 4 is characterized in that, said curve shape is nearly parabolic shape.
6. reflection unit according to claim 2 is characterized in that, the said sway brace of said truss-frame structure is along the curvilinear path setting.
7. according to each described reflection unit in the aforementioned claim, it is characterized in that said catoptron is crooked on two vertical direction.
8. reflection unit according to claim 2 is characterized in that said catoptron is attached to said sway brace through bonding agent.
9. reflection unit according to claim 2 is characterized in that, each catoptron comprises several and the vertically disposed banded mirror elements of said sway brace.
10. a heliostat is characterized in that, this heliostat comprises reflection unit according to claim 1.
CN2012200738318U 2012-03-01 2012-03-01 Heliostat and reflecting device thereof Expired - Fee Related CN202512287U (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2012200738318U CN202512287U (en) 2012-03-01 2012-03-01 Heliostat and reflecting device thereof
PCT/IB2013/051601 WO2013128403A1 (en) 2012-03-01 2013-02-28 Heliostats, and methods and apparatus for assembly thereof
CN201380011871.7A CN104136863B (en) 2012-03-01 2013-02-28 Heliostats, and methods and apparatus for assembly thereof
US14/380,347 US20150015975A1 (en) 2012-03-01 2013-02-28 Heliostats, and methods and apparatus for assembly thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200738318U CN202512287U (en) 2012-03-01 2012-03-01 Heliostat and reflecting device thereof

Publications (1)

Publication Number Publication Date
CN202512287U true CN202512287U (en) 2012-10-31

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CN2012200738318U Expired - Fee Related CN202512287U (en) 2012-03-01 2012-03-01 Heliostat and reflecting device thereof

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CN (1) CN202512287U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113385369B (en) * 2021-05-13 2022-07-05 东方电气集团科学技术研究院有限公司 Glue pouring system for large heliostat
CN116841001A (en) * 2023-08-31 2023-10-03 中国科学院长春光学精密机械与物理研究所 Light large-sized optical reflector array surface supporting structure and installation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113385369B (en) * 2021-05-13 2022-07-05 东方电气集团科学技术研究院有限公司 Glue pouring system for large heliostat
CN116841001A (en) * 2023-08-31 2023-10-03 中国科学院长春光学精密机械与物理研究所 Light large-sized optical reflector array surface supporting structure and installation method thereof
CN116841001B (en) * 2023-08-31 2023-11-10 中国科学院长春光学精密机械与物理研究所 Light large-sized optical reflector array surface supporting structure and installation method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121031

Termination date: 20210301