CN105589170A - Truss-type linear Fresnel solar reflector framework - Google Patents
Truss-type linear Fresnel solar reflector framework Download PDFInfo
- Publication number
- CN105589170A CN105589170A CN201610056972.1A CN201610056972A CN105589170A CN 105589170 A CN105589170 A CN 105589170A CN 201610056972 A CN201610056972 A CN 201610056972A CN 105589170 A CN105589170 A CN 105589170A
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- China
- Prior art keywords
- framework
- speculum
- truss
- prepackage
- longeron
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/18—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors
- G02B7/182—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors
- G02B7/1821—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors for rotating or oscillating mirrors
Abstract
The invention discloses a truss-type linear Fresnel solar reflector framework. Installation and construction are carried out based on pre-installed frameworks so as to form an integral truss-type structure. The pre-installed frameworks are produced and manufactured in a factory in advance, and in the factory production process of the pre-installed frameworks, the machining environment is good, the relatively-good shape and size precision is easily controlled, the pre-installed frameworks are assembled in site mainly by means of bolts and riveting, the precision can be easily ensured, and the integral strength of the framework is ensured by a small amount of welding. The pre-installed frameworks are transported to site in an assembly type, and the pre-installed frameworks are assembled with other member to rapidly form the framework, so that the strength is high, the assembling is easy, deformation is difficult, and the transportation cost is low. The integral structure is in bilateral symmetry, the deformation of the structure does not lead to the torsion in the longitudinal direction of a mirror surface under different usage temperatures, the linearity of reflection light spots is ensured, and the usage effect is improved; in addition, by adopting the structure, the manufacturing cost of a linear Fresnel reflecting mirror field and the energy consumption in operation are substantially lowered, and the structure has great significance in solar power generation cost reduction.
Description
Technical field
The invention belongs to solar light-heat power-generation technical field, particularly a kind of truss-like linear fresnel solar is anti-Penetrate cell mount.
Background technology
Solar energy thermal-power-generating technology is, by concentrator, solar energy collecting is got up to be converted into heat energy, then produces high temperature highPress steam drive steam turbine power generation. Linear fresnel solar condensing thermal power generation technology is that the one of current solar energy thermal-power-generating is normalThe form of seeing, solar-energy collecting is become wire hot spot by the Jing Chang consisting of multiaspect linear reflective mirror, then utilizes receiver to incite somebody to actionLight energy conversion is heat energy, by heat-conducting fluid by heat absorption and be delivered to heat exchanger. The heat of heat-conducting fluid in heat exchangerBe used to heating water and generate steam, and then utilize steam driving steam turbine acting generating.
In whole Fresnel solar energy thermal-power-generating device, condenser field is the most key assembly. Mirror field optically focused effectRate is directly connected to the transformation efficiency of final luminous energy to electric energy. Typical fresnel reflecting mirror forms by organizing level crossing more, every groupThe independently tracked sun of minute surface also reflexes to receiver by incident light. Due to the requirement for optically focused ratio in solar energy thermal-power-generating technologyAnd receiver width is limited, therefore the width of wire hot spot is proposed to certain requirement. In order to obtain narrower the gathering of widthBurnt hot spot, a kind of solution is the minute surface width that reduces single-row speculum, but in order to obtain higher just needs of optically focused ratioIncrease speculum columns, this can increase considerably follow-up mechanism cost. Another solution is to use with small radianSpeculum replace level crossing, but because the machining accuracy of differential of the arc speculum is difficult to ensure, and due to every row speculumFocal length different need different radians carry out focused solar energy, thereby cause the rising of processing cost.
Because speculum area is huge, the consumption of speculum frame structure is also very large, adopts light-duty speculum framework knotStructure is even more important to reducing system cost. Manufacture and the place to use of speculum framework are distant, and complicated structure needs moreMany costs of transportation, are necessary that simplified structure reduces cost of transportation. In addition, because the weight of speculum and support is larger, ifDevice bias seriously can cause moment of torsion to increase, thereby increases the live load of drive motors, increases the fortune of solar-energy light collectorRow cost. Therefore, the design of support also will be considered integrally-built distribution of weight problem.
Summary of the invention
The problem that the present invention solves is to provide a kind of truss-like linear fresnel solar speculum framework, has solved anti-Penetrate that cell mount weight is large, the problem of complex structure and rotating eccentricity, can reduce the manufacture of linear Fresnel formula speculum fieldCost and operating energy consumption.
The present invention is achieved through the following technical solutions:
A kind of truss-like linear fresnel solar speculum framework, comprises being made up of prepackage framework, crossbeam and longeronSpace truss, prepackage framework is positioned at the centre of space truss, and many crossbeams that parallel, the both sides group of crossbeam are installed in its upper surfaceOn two straight lines that become, longeron is installed respectively, the prepackage framework of both ends of the surface and longeron form speculum installed surface, and speculum is installedFace is parallel with speculum or tangent; The two ends of space truss are provided with rotating shaft, and space truss is provided support and allow its rotation.
Described prepackage framework is plane girder or space truss, selects to frame up in advance accordingly according to the width of speculumFrame.
Described space truss is triangular space truss or tetragonal body space truss; The entirety knot of solar energy reflection cell mountStructure has symmetrical property. .
Described crossbeam is fixed on the upper surface of prepackage framework by welding or connector, passes through spiral shell in crossbeam both sidesTie the form that connects, rivets or weld longeron is installed;
The position of centre of gravity of the position of rotating shaft core and solar energy reflection picture frame entirety is overlapping.
Between the lower surface of described longeron and prepackage framework, be also connected with support link, longeron comprises at least two faces,A face is stationary plane, is connected with crossbeam, prepackage framework; Another face is installed surface, participates in forming speculum installed surface.
Described crossbeam adopt square tube, pipe with or metallic plate; Described longeron adopts angle steel, C shaped steel and sheet material foldingThe structural member that bending becomes, or adopt the structural member of cold rolling formation.
Speculum is fixed on speculum installed surface by the mode of viscose glue, and speculum installed surface both sides of the edge are provided with thicknessConsistent filler strip, evenly injects bonding agent at filler strip in the groove forming, ensureing continuous or discontinuous note on adhesive strength basis.
Form the longitudinal beam that speculum installed surface at least comprises two longerons and prepackage framework, regulate the height of longeron installed surfaceDegree and angle, the face shape to speculum on width is controlled.
Form two longitudinal beams that speculum installed surface at least comprises two longerons and prepackage framework, described prepackage frameworkFor space truss; Longeron is arranged symmetrically with about frame center.
In speculum installed surface, two longerons that are positioned at both sides are higher than the longitudinal beam of the prepackage framework upper end in the middle of being positioned atGo out certain altitude; The installed surface of longeron inner side is lower simultaneously, and the longitudinal beam of middle prepackage framework upper end has certain inclination angle relatively,Realize speculum installed surface parallel with speculum bonding plane or tangent;
For adapting to the width of minute surface, on crossbeam, increase again longeron, increase the quantity of the longeron that forms speculum installed surface.
Compared with prior art, the present invention has following useful technique effect:
The truss-like linear fresnel solar speculum framework that the present invention proposes, by enterprising on the basis of prepackage frameworkRow is installed and is built, and forms overall truss structure; Described prepackage framework is in advance in plant produced manufacture, and prepackage framework existsWhen plant produced, processing environment is good, easily controls to reasonable shape face and dimensional accuracy, becomes framework entirety to adopt to AssemblingWith bolt and riveted joint be main connection, easily ensure precision, be aided with a small amount of welding and ensure the intensity of framework entirety.
The truss-like linear fresnel solar speculum framework that the present invention proposes, installs many in prepackage framework upper surfaceCrossbeam, installs longeron on two straight lines of the two ends composition of crossbeam, and the longeron on prepackage truss and the longeron at crossbeam two ends formThe installed surface of speculum, speculum installed surface is plane, parallel or tangent herein with speculum, install at the two ends of space trussRotating shaft, realizes the support to support and allows its rotation. Prepackage truss is transported to scene with kit form, with quick group of other membersDress forms framework, has the advantages such as high, easy to assembly, the not yielding and cost of transportation of intensity is low.
The truss-like linear fresnel solar speculum framework that the present invention proposes, speculum and longeron are straight by bonding agentConnect bonding, and can, by adjusting the relative position of longeron, by the mode of speculum clod wash, make speculum form the face of designShape. The position of centre of gravity of the position in rack shaft axle center and picture frame entirety is overlapping, can realize the zero inclined to one side of the relative main shaft of overall structureThe heart, has significantly reduced the requirement of system for drive motors and reductor. And existing linear Fresnel speculum framework existsStructure is heavy, framework relative rotation axi is eccentric serious, needs additionally to add counter weight device and increase induction-motor load, and framework adoptsThe structure that is welded is not easy to transport. Speculum frame structure of the present invention adopts prepackage truss structure as main body, has heavilyAmount is light, and intensity is good, on-deformable feature.
The truss-like linear fresnel solar speculum framework that the present invention proposes, overall structure has symmetrical property,Under different serviceability temperatures, the distortion of structure does not cause the distortion of minute surface longitudinal direction, ensures the linearity of flare, improvesResult of use. This structure significantly reduces manufacturing cost and the operating energy consumption of linear Fresnel formula speculum field, for fallingLow solar energy thermal-power-generating cost has great significance.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is plane girder formula prepackage framework schematic diagram of the present invention.
Fig. 3-1 is tetragonal body space truss type prepackage framework schematic diagram of the present invention.
Fig. 3-2 are triangular space truss-like prepackage framework schematic diagram of the present invention.
Fig. 4 is crossbeam of the present invention and the connected mode schematic diagram of pre-installing framework.
Fig. 5 is the crossbeam of the embodiment of the present invention and the connected mode schematic diagram of longeron.
Fig. 6 is the speculum of the embodiment of the present invention and the connected mode schematic diagram of longeron.
In figure, 1 is prepackage framework, and 2 is crossbeam, and 3 is longeron, 31 longitudinal beams for prepackage framework upper end, and 32 is left-hand endPortion's longeron, 33 is right-hand end longeron, and 4 is rotating shaft, and 5 is support link, and 6 is plane girder formula prepackage framework, 61 is tetragonal bodySpace truss type prepackage framework, 62 is triangular space truss-like prepackage framework, and 7 is square tube, and 8 is hole, and 9 is speculum, 10 is padBar, 11 is bonding agent.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail, described in be explanation of the invention andNot to limit.
As shown in Figure 1, a kind of truss-like linear fresnel solar speculum framework, is characterized in that, comprises by pre-installingThe space truss that framework (1), crossbeam (2) and longeron (3) form, prepackage framework (1) is positioned at the centre of space truss, its upper surfaceMany the crossbeams that parallel (2) are installed, on two straight lines of the both sides composition of crossbeam (2), longeron (3) are installed respectively, both ends of the surfaceThat pre-installs framework (1) forms speculum installed surface with longeron, and speculum installed surface is parallel or tangent with speculum (9); Purlin, spaceThe two ends of frame are provided with rotating shaft (4), and space truss is provided support and allow its rotation.
Concrete, the centre of space truss is prepackage framework 1, many crossbeams 2 is installed, crossbeam in prepackage framework upper surfaceTwo straight lines of two ends compositions on longeron 3 is installed. Rotating shaft 4 is installed at the two ends of space truss, realizes the support to support and permitsPermitted its rotation, the position of centre of gravity of the position in rotating shaft 4 axle center and solar energy reflection picture frame entirety is overlapping.
Prepackage framework is assembled at factory, ensures better size and surface figure accuracy, inner connection to be welded as master, improvesThe intensity of structure. Prepackage framework in factory production and assembly, utilize auxiliary mould and high-precision automatic equipment blanking, beatInstalling hole, adopts necessary frock clamp when welding, ensure that prepackage framework has better size and surface figure accuracy, and framework is inner to be connectedAdopt welding can effectively improve the intensity of structure. Can select different prepackage frameworks according to the width of speculum, speculum is wideSpend when narrower, preferentially adopt plane girder. When speculum wider width, adopt space truss can improve speculum framework entiretyStability. Prepackage framework adopts plane girder, when transport, can improve traffic density, reduces cost of transportation. Generally at trussEnd plates are equipped with at two ends, weld rotating shaft 4 on end plates, or rotating shaft 4 pre-installations to base plate, by base plate and end platesWelding or bolt connect
Fig. 2 has shown a kind of plane girder formula prepackage framework 6, and Fig. 3-1, Fig. 3-2 are respectively tetragonal body space truss type 61Schematic diagram with triangular space truss-like 62.
Described crossbeam is fixed on the upper surface of prepackage framework by welding or connector, passes through spiral shell in crossbeam both sidesTie the form that connects, rivets or weld longeron is installed.
Between the lower surface of described longeron and prepackage framework, be also connected with support link, longeron comprises at least two faces,A face is connected with crossbeam, prepackage framework, and another face forms the installed surface of speculum.
Fig. 4 has shown the connected mode of the present embodiment middle cross beam 2 with prepackage framework 1. Prepackage framework 1 is plane girder 6, horizontal strokeBeam 2 is tubular. At 7 liang of STHs 8 of square tube of truss upper end, crossbeam 2 from hole 8 through in place and with square tube 7 at hole 8 peripheriesSpot welding connects.
Fig. 5 has shown the connected mode of the present embodiment middle cross beam 2 with longeron. Longeron is different by bending or cold rolling formationType member, can improve intensity by modes such as edge bending or crimpings. Crossbeam 2 ends adopt the mode of flattening or weld to be transited intoBe a plane,, also can or be welded to connect by bolt by riveting with the longeron of opposite side. Adopt riveted joint to subtractFew distortion obtains larger bonding strength simultaneously, improves the stability of support.
Fig. 6 has shown the mounting means of speculum 9 on longeron 31 in the present embodiment. The present embodiment adopts plane girder 6,Longeron (left end longeron 32, right-hand end longeron 33) is installed respectively at crossbeam 2 two ends, is utilized the upper end of plane girder simultaneouslyFace, as the longitudinal beam 31 of prepackage framework upper end, therefore has three longerons.
The speculum installed surface of two side girders (left end longeron 32, right-hand end longeron 33) is than middle prepackage frameworkThe longitudinal beam 31 of upper end will exceed certain altitude (, general 5-30mm relevant with the focal length of focusing mirror), longeron 32,33 simultaneouslyInstalled surface inner side is lower, and the longitudinal beam 31 of middle prepackage framework upper end has certain inclination angle (general 0.2-3 degree angle) relatively, realThe installed surface of existing longeron is parallel or tangent with local speculum 9 bonding planes.
Installed surface can adopt plane, also can adopt the curved surface consistent with required shape of local speculum. Reflection is installedWhen mirror 9, paste the filler strip 10 of consistency of thickness in longeron speculum installed surface both sides of the edge, in the groove forming at filler strip, evenly injectBinding agent 11 (structure glue etc.), injects after binding agent 11, speculum 9 is accurately placed on framework, and on speculum 9 edges, centerLongitudinally place weight, ensure speculum 9 and binding agent 11 contact and make adhesive thickness and filler strip thickness consistent, untilBinding agent 11 takes off weight after reaching design strength. Ensureing, on adhesive strength basis, can to select continuous or discontinuous injection to subtractThe consumption of few bonding agent 11.
The embodiment more than providing realizes preferably example of the present invention, the invention is not restricted to above-described embodiment. This areaTechnical staff any nonessential interpolation, the replacement made according to the technical characterictic of technical solution of the present invention, all belong to thisThe protection domain of invention.
Claims (10)
1. a truss-like linear fresnel solar speculum framework, is characterized in that, comprises by prepackage framework (1), crossbeamAnd the space truss that forms of longeron (3) (2), prepackage framework (1) is positioned at the centre of space truss, its upper surface install many equalThe crossbeam (2) of row, installs respectively longeron (3), the prepackage framework (1) of both ends of the surface on two straight lines of the both sides composition of crossbeam (2)Form speculum installed surface with longeron, speculum installed surface is parallel or tangent with speculum (9); The two ends of space truss are provided withRotating shaft (4), provides support and allows its rotation to space truss.
2. truss-like linear fresnel solar speculum framework as claimed in claim 1, is characterized in that described prepackageFramework (1) is plane girder or space truss, selects corresponding prepackage framework (1) according to the width of speculum.
3. truss-like linear fresnel solar speculum framework as claimed in claim 2, is characterized in that described spaceTruss is triangular space truss (62) or tetragonal body space truss (61); The overall structure of solar energy reflection cell mount has left and rightSymmetry.
4. truss-like linear fresnel solar speculum framework as claimed in claim 1, is characterized in that described crossbeam(2) be fixed on the upper surface of prepackage framework (1) by welding or connector, be bolted in crossbeam (2) both sides, rivetingThe form that connects or weld is installed longeron (3);
The position in rotating shaft (4) axle center and the position of centre of gravity of solar energy reflection picture frame entirety are overlapping.
5. truss-like linear fresnel solar speculum framework as claimed in claim 1, is characterized in that described longeron(3) and between the lower surface of prepackage framework (1) be also connected with support link, longeron (3) comprises at least two faces, and a face is for solidDetermine face, be connected with crossbeam (2), prepackage framework (1); Another face is installed surface, participates in forming speculum installed surface.
6. truss-like linear fresnel solar speculum framework as claimed in claim 1, is characterized in that described crossbeam(2) adopt square tube, pipe with or metallic plate; The structure that described longeron (3) adopts angle steel, C shaped steel and sheet material bending to formPart, or adopt the structural member of cold rolling formation.
7. truss-like linear fresnel solar speculum framework as claimed in claim 1, is characterized in that speculum (9)Be fixed on speculum installed surface by the mode of viscose glue, speculum installed surface both sides of the edge are provided with the filler strip of consistency of thickness(10), in the groove forming at filler strip, evenly inject bonding agent (11), ensureing continuous or discontinuous injection on adhesive strength basis.
8. truss-like linear fresnel solar speculum framework as claimed in claim 1, is characterized in that, forms speculumInstalled surface at least comprises the longitudinal beam of two longerons and prepackage framework, regulates height and the angle of longeron installed surface, to reflectionThe face shape of mirror on width controlled.
9. truss-like linear fresnel solar speculum framework as claimed in claim 1, is characterized in that, forms speculumInstalled surface at least comprises two longitudinal beams of two longerons and prepackage framework, and described prepackage framework is space truss; Longeron closesBe arranged symmetrically with in frame center.
10. truss-like linear fresnel solar speculum framework as claimed in claim 8 or 9, is characterized in that speculumIn installed surface, two longerons that are positioned at both sides will exceed certain altitude than the longitudinal beam of the prepackage framework upper end in the middle of being positioned at; WithTime longeron installed surface inner side lower, the longitudinal beam of the prepackage framework upper end in the middle of relatively has certain inclination angle, realizes speculum peaceDress face is parallel with speculum bonding plane or tangent;
For adapting to the width of minute surface, also on crossbeam (2), increase again longeron (3), the longeron of increase formation speculum installed surfaceQuantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610056972.1A CN105589170A (en) | 2016-01-28 | 2016-01-28 | Truss-type linear Fresnel solar reflector framework |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610056972.1A CN105589170A (en) | 2016-01-28 | 2016-01-28 | Truss-type linear Fresnel solar reflector framework |
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| Publication Number | Publication Date |
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| CN105589170A true CN105589170A (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610056972.1A Pending CN105589170A (en) | 2016-01-28 | 2016-01-28 | Truss-type linear Fresnel solar reflector framework |
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| CN108445600A (en) * | 2018-05-14 | 2018-08-24 | 江苏鑫晨光热技术有限公司 | A kind of attachment device of secondary reflection tower mirror surface |
| JPWO2020262674A1 (en) * | 2019-06-28 | 2020-12-30 |
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