CN106899264B - A kind of upside down fastened heliostat of subcircular - Google Patents
A kind of upside down fastened heliostat of subcircular Download PDFInfo
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- CN106899264B CN106899264B CN201710188447.XA CN201710188447A CN106899264B CN 106899264 B CN106899264 B CN 106899264B CN 201710188447 A CN201710188447 A CN 201710188447A CN 106899264 B CN106899264 B CN 106899264B
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- reflecting mirror
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- heliostat
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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
A kind of upside down fastened heliostat of subcircular is made of reflecting mirror (1), mirror support (5), U-shaped column (2) and driving transmission device；Driving transmission device is mounted on U-shaped column (2), and it is connect with mirror support, reflecting mirror (1) is mounted on mirror support (5), it is characterized by: the reflecting mirror (1) is spliced by multiple mirror units (11), reflecting mirror (1) overall profile shape is round or subcircular, and the face type of mirror unit (11) is curved surface or plane；Mirror unit (11) is connected on mirror support (5), constitutes assembly；The assembly that reflecting mirror (1) and mirror support (5) are constituted is by U-shaped column (2) in both ends symmetric support, reflecting mirror (1) can rotate at least 180 degree in height angular direction, reflecting mirror (1) can be in back-off posture, i.e. the reflecting surface side of reflecting mirror (1) is towards ground.
Description
Technical field
The present invention relates to a kind of tower type solar energy thermal power generation station heliostat devices.
Background technique
Heliostat is a kind of condenser arragement in tower type solar energy thermal power generation station, it is focused after reflecting sunlight
To being fixed in the heat sink on tower at a certain height.Heliostat is generally by reflecting mirror, support construction, transmission device and control
System composition.Heliostat cost accounts for about 40% or more of tower-type solar thermal power generating system totle drilling cost, therefore, in order to reduce system
Cost of electricity-generating promotes the commercialization process of tower type solar electricity generation system, needs to improve heliostat field light gathering efficiency, reduces the settled date
Mirror material cost, processing cost, transportation cost, assembly and adjustment cost and maintenance cost etc..In order to reach the mesh for reducing cost
, domestic and international heliostat has mainly carried out great dynamics in terms of the material cost of support construction and processing cost and has studied and achieve
Certain achievement, but in maintenance cost, assembly and adjustment cost and in terms of improving mirror field light gathering efficiency, there are also to be studied.Currently, obtaining
Widely applied heliostat is the T-type heliostat of azimuth pitch tracing mode, such as patent CN101017033.Another kind is certainly
Revolve the heliostat of following in elevation mode, such as patent WO2015193523 (A1).It is common existing for the heliostat of both types
Problem is exactly: when heliostat does not need work or is often in protection posture, i.e. heliostat reflecting surface horizontal direction in strong wind atmosphere
On, such dust is easily deposited in mirror surface, makes reflectivity that influence light gathering efficiency be greatly lowered, or need to increase anti-
Mirror cleaning frequency is penetrated, to increase heliostat maintenance cost；In addition, mirror-type face is rectangle, and in Jing Chang arrangement, phase
Adjacent front and rear row heliostat is easy to that gear light and shade occurs at the position at four angles of rectangle, to reduce mirror field optically focused effect
Rate.In terms of reflecting mirror assembling and whole hot spot debugging, most mirror structures requires to carry out in the weather for having sunlight at present
Assembling and debugging, greatly increase hot spot debug time, while increasing human cost.
Summary of the invention
The purpose of the present invention is overcoming the defect of the above-mentioned prior art, a kind of upside down fastened heliostat dress of subcircular is provided
It sets, to reduce the assembling and hot spot debugging cost, maintenance cost of heliostat, improves heliostat field light gathering efficiency.
In order to achieve the above objectives, the present invention takes following technical scheme:
Heliostat of the present invention is made of reflecting mirror, mirror support, U-shaped column and driving transmission device.Driving transmission dress
It sets and is mounted on U-shaped column, and connect with mirror support, reflecting mirror is mounted on mirror support.The reflecting mirror is whole
Honorable type is spliced by multiple mirror units, and reflecting mirror overall profile shape is round or subcircular, mirror unit wheel
Profile shape can be rectangle, circle or regular polygon, and mirror unit face type can be curved surface or plane.
Reflecting mirror is mounted on mirror support, and reflecting mirror and mirror support constitute assembly.Reflecting mirror and reflecting mirror
Support assembly by U-shaped column in both ends symmetric support, can guarantee reflecting mirror and mirror support height angular direction rotate to
Few 180 degree makes reflecting mirror and mirror support can be in back-off posture, i.e. the reflecting surface side of reflecting mirror is towards ground.
The driving transmission device includes azimuth gear and height angle transmission, is arranged using fission.Side
Drive device is located among U-shaped column bottom, and height angle transmission is located at the top of U-shaped column side, and elevation angle passes
Dynamic device is also connect with mirror support, and actuated mirror bracket and reflecting mirror are rotated in height angular direction.
The mirror support is by crossbeam, multiple rack modules, multiple horizontal axis directions rotation regulating mechanism and more
A vertical axis direction rotation regulating mechanism is constituted；Crossbeam is rectangular tube, I-steel or other fashioned iron, and vertical axis direction rotates
Regulating mechanism is mounted on crossbeam by bolt.Rack module and vertical axis direction rotation regulating mechanism are fixedly connected to form group
Zoarium, assembly can turn an angle around vertical axis；Mode is bolted in horizontal axis direction rotation regulating mechanism
It is mounted on rack module, and can be rotated around horizontal axis；Mirror unit is connected by horizontal axis direction rotation regulating mechanism
It connects on rack module, is able to achieve fast and accurately angle adjustment.
When heliostat size is larger, it is equipped with center stand column in the middle part of U-shaped column, constitutes the support of three point symmetry types, reflection
Mirror is equipped with opening at position corresponding with center stand column, and reflecting mirror and mirror support is made to can rotate to back-off posture.
The present invention has a characteristic that
First, heliostat mirrors integral face type is round or subcircular, can avoid traditional existing rectangle layout four
Mirror field caused by angle is light-blocking or shadow problem, improves mirror field efficiency.Second, reflecting mirror is parked in heliostat in an inactive state
It is buckled to posture, the accumulation of dust on the reflecting surface is reduced, cleaning frequency is reduced, to reduce heliostat maintenance cost.Third, point
Body formula transmission device advantageously reduces transmission device cost.4th, mirror unit can realize the quick of azimuth and elevation angle
Installation and hot spot debugging cycle are shortened in adjustment, reduce heliostat installation and debugging cost.
Detailed description of the invention
Fig. 1 is U-shaped column symmetric support formula heliostat structural schematic diagram, in figure: 1 reflecting mirror, 2U shape column, 3 azimuths
Transmission device, 4 height angle transmissions, 10 rotating supports, 11 mirror units；
Fig. 2 is U-shaped column symmetric support formula heliostat back structures schematic diagram, in figure: 5 mirror supports, 51 crossbeams；
Fig. 3 is mirror support overall structure diagram, in figure: 51 crossbeams, 52 rack modules, the rotation of 53 horizontal axis directions
Turn regulating mechanism, 54 vertical axis direction rotation regulating mechanisms；
Fig. 4 is three point symmetry upright supports formula heliostat structural schematic diagrams, in figure: 1 reflecting mirror, 3 azimuth gears,
4 height angle transmissions, 10 rotating supports, 20 rotating supports, 21 center stand columns, 51 crossbeams.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
Embodiment one
The embodiment of the present invention is first is that U-shaped column symmetric support formula subcircular heliostat.
Overall structure of the invention is as depicted in figs. 1 and 2.Fig. 1 is the main view of the heliostat structural schematic diagram, and Fig. 2 is
The rearview of the structure.The heliostat includes reflecting mirror 1, U-shaped column 2, azimuth gear 3,4 and of height angle transmission
Mirror support 5.Reflecting mirror 1 is spliced by several mirror units 11 by linear array or circumference array mode, splicing
At the chamfered shape of reflecting mirror 1 be that round or subcircular, the i.e. four corners of reflecting mirror 1 do not arrange mirror unit.When several
When row's heliostat constitutes heliostat field, sunlight can be reduced between adjacent front two rows heliostat and is blocked and shade
Phenomenon reduces heliostat line space, improves the light gathering efficiency of Jing Chang, and reduce mirror field occupied area.According to heliostat optically focused
Characteristic and structural mechanical property analysis, heliostat four corners are if there is mirror unit, then the mirror unit of four corners is carrying
Lotus effect bottom offset amount is larger, and spotlight effect is poor, increases unnecessary cost.Heliostat of the invention is not in four corners cloth
Mirror unit is set, cost performance can be improved.The face type of mirror unit 11 can be plane, be also possible to curved surface.Reflecting mirror 1 by
Mirror support 5 supports, and mirror support 5 is connect by the both ends of crossbeam 51 with rotating support 10 and height angle transmission 4.
The output shaft of height angle transmission 4 and the centre of gyration of rotating support 10 are overlapped, and constitute elevation angle rotation axis.Reflecting mirror 1
The assembly constituted with mirror support 5 is an entirety, can be around height under the driving force effect of height angle transmission 4
Rotation axis rotation in angle realizes that height angular direction tracks day.Heliostat elevation angle rotational angle of the present invention is greater than 180 degree, can
Realize that the reflecting surface of reflecting mirror 1 towards ground, i.e. back-off posture, effectively prevent the accumulation of dust on the reflecting surface.Elevation angle passes
Dynamic device 4 and rotating support 10 are respectively fixedly connected in two lateral roofs of U-shaped column 2, in the bottom middle arrangement side of U-shaped column 2
Drive device 3, the output axis of azimuth gear 3 are azimuth rotation axis, the axis perpendicular to ground, and with
Elevation angle jante et perpendiculaire.Reflecting mirror 1, mirror support 5, height angle transmission 4, rotating support 10 and U-shaped column 2 are made
It is rotated under the driving force effect of azimuth gear 3 around azimuth rotation axis for an entirety, realizes azimuth side
It is tracked to day.
Fig. 3 show the structural schematic diagram of mirror support 5.As shown in figure 3, mirror support 5 is by crossbeam 51, Duo Gezhi
Frame module 52, multiple horizontal axis directions rotation regulating mechanism 53 and multiple vertical axis directions rotation regulating mechanism 54 are constituted.
Crossbeam 51 is rectangular tube, and vertical axis direction rotation regulating mechanism 54 is mounted on two up and down of 51 rectangular tube of crossbeam by bolt
On surface, multiple vertical axis directions rotation regulating mechanism 54 is along 51 axis direction arranged for interval of crossbeam.Each rack module 52
Bottom and each vertical axis direction rotation regulating mechanism 54 are fixedly connected to form assembly, and assembly can be rotated around vertical axis
Certain angle.Horizontal axis direction rotation regulating mechanism 53 can be rotated around horizontal axis, and the mode of being bolted is mounted on branch
On frame module 52, multiple horizontal axis directions rotation regulating mechanism 53 needs uniformly or uneven on rack module 52 according to structure
Even arranged for interval.Mirror unit 11 is connected on rack module 52 by horizontal axis direction rotation regulating mechanism 53, as a result,
Horizontal axis direction rotation regulating mechanism 53 and the achievable mirror unit 11 of vertical axis direction rotation regulating mechanism 54 it is fast
Speed and accurately hot spot are debugged, and the debugging efficiency of heliostat is greatly improved, and reduce debugging cost.
Embodiment two
The embodiment of the present invention is second is that three point symmetry brace type heliostats, as shown in Figure 4.It is horizontal when heliostat size is larger
When direction span is larger, three point symmetry brace type heliostats can be used.Increase center stand column 21 in the intermediate of U-shaped column 2, in
The axis of heart column 21 is overlapped with the output axis of azimuth gear 3, as azimuth rotation axis.Elevation angle transmission dress
4 tops for being fixed on center stand column 21 are set, height angle transmission 4 is horizontal double output shaft, and horizontal dual output axis is fixed
Solar eyepiece elevation angle rotation axis, double output shaft are overlapped with 51 axis of crossbeam.Rotating support 10 and 20 is used as aiding support, is fixed on
Two lateral roofs of U-shaped column 2, can reduce the deformation of crossbeam 51, control the reflector type of reflecting mirror 1 in required accuracy rating
It is interior.Reflecting mirror 1 is gap formula, i.e., is not provided with mirror unit at 21 position of center stand column, to allow reflecting mirror 1 in
Detain posture.
Claims (4)
1. a kind of upside down fastened heliostat of subcircular is driven by reflecting mirror (1), mirror support (5), U-shaped column (2) and driving
Device is constituted；Driving transmission device is mounted on U-shaped column (2), and is connect with mirror support, and reflecting mirror (1) is mounted on instead
It penetrates on mirror support (5), it is characterised in that: the reflecting mirror (1) is spliced by multiple mirror units (11), reflecting mirror
(1) overall profile shape is round or subcircular, and the face type of mirror unit (11) is curved surface or plane；Mirror unit (11)
It is connected on mirror support (5), constitutes the first assembly；The first assembly that reflecting mirror (1) and mirror support (5) are constituted
By U-shaped column (2) in both ends symmetric support, reflecting mirror (1) can rotate at least 180 degree, reflecting mirror (1) energy in height angular direction
It is enough in back-off posture, i.e. the reflecting surface side of reflecting mirror (1) is towards ground；
The mirror support (5) rotates adjusting machine by crossbeam (51), multiple rack modules (52), multiple horizontal axis directions
Structure (53) and multiple vertical axis directions rotation regulating mechanism (54) are constituted；Crossbeam (51) is rectangular tube or fashioned iron, vertical axis
Direction rotation regulating mechanism (54) is mounted on crossbeam (51) by bolt, multiple vertical axis directions rotation regulating mechanism (54)
Certain distance arranged for interval, each rack module (52) bottom and each vertical axis direction are separated with along crossbeam (51) axis direction
Rotation regulating mechanism (54) is fixedly connected to form the second assembly, and the second assembly can be rotated around vertical axis；Horizontal axis
Direction rotation regulating mechanism (53) can be rotated around horizontal axis, and the mode of being bolted is mounted on rack module (52),
Multiple horizontal axis directions rotation regulating mechanism (53) is separated with certain distance arranged for interval on rack module (52)；Reflecting mirror list
First (11) are connected on rack module (52) by horizontal axis direction rotation regulating mechanism (53), realize angle adjustment.
2. heliostat described in accordance with the claim 1, it is characterised in that: the driving transmission device includes azimuth transmission dress
Set (3) and height angle transmission (4)；Azimuth gear (3) and height angle transmission (4) are seperated arrangement, orientation
Angle transmission (3) is located among the bottom of U-shaped column (2), and height angle transmission (4) is located at the side top of U-shaped column (2)
Portion.
3. heliostat according to claim 2, it is characterised in that: the height angle transmission (4) and rotating support
(10) it is respectively fixedly connected in two lateral roofs of U-shaped column (2), the azimuth gear (3) is arranged in U-shaped column (2)
Bottom middle；The output axis of the azimuth gear (3) is azimuth rotation axis, height angle transmission
(4) centre of gyration of output shaft and rotating support (10) is overlapped, and constitutes elevation angle rotation axis；Azimuth rotation axis is vertical
In ground, and with elevation angle jante et perpendiculaire；Reflecting mirror (1), mirror support (5), height angle transmission (4), rotation
It supports (10) and U-shaped column (2) as a whole, under the driving force effect of azimuth gear (3), is revolved around azimuth
Shaft axis rotation realizes that azimuth direction tracks day.
4. heliostat described in accordance with the claim 1, it is characterised in that: be equipped with center stand column (21) in the middle part of U-shaped column (2)；Instead
It penetrates mirror (1) and is equipped with opening at position corresponding with center stand column (21), revolve reflecting mirror (1) and mirror support (5) can
Go to back-off posture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188447.XA CN106899264B (en) | 2017-03-27 | 2017-03-27 | A kind of upside down fastened heliostat of subcircular |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188447.XA CN106899264B (en) | 2017-03-27 | 2017-03-27 | A kind of upside down fastened heliostat of subcircular |
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| Publication Number | Publication Date |
|---|---|
| CN106899264A CN106899264A (en) | 2017-06-27 |
| CN106899264B true CN106899264B (en) | 2019-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710188447.XA Active CN106899264B (en) | 2017-03-27 | 2017-03-27 | A kind of upside down fastened heliostat of subcircular |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112269402A (en) * | 2020-09-14 | 2021-01-26 | 梁天惠 | Household heliostat and heliostat method |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102043228B (en) * | 2010-11-01 | 2013-02-13 | 哈尔滨工业大学 | Stable support device for autorotation-elevation angle tracking mode heliostat |
| WO2012070436A1 (en) * | 2010-11-26 | 2012-05-31 | コニカミノルタオプト株式会社 | Reflecting mirror, mirror structure, and solar thermal power generation system |
| CN103162453A (en) * | 2011-12-09 | 2013-06-19 | 深圳市阳能科技有限公司 | Solar energy bundling condensation supporting device |
| US10077920B2 (en) * | 2013-04-22 | 2018-09-18 | e-Cube Energy Technologies, Ltd. | Apparatus and method for high efficiency fixed target solar thermal concentrator power plants |
| CN105353498A (en) * | 2015-11-24 | 2016-02-24 | 中国科学院电工研究所 | Anti-hail heliostat |
| CN105471379A (en) * | 2016-01-13 | 2016-04-06 | 中国大唐集团科学技术研究院有限公司 | Solar power generation apparatus with automatic-sun-tracking function |
| CN206790427U (en) * | 2017-03-27 | 2017-12-22 | 中国科学院电工研究所 | A kind of upside down fastened heliostat |
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