CN106019530A - Light condensing heliostat for solar tower type heat utilization - Google Patents
Light condensing heliostat for solar tower type heat utilization Download PDFInfo
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- CN106019530A CN106019530A CN201610628758.9A CN201610628758A CN106019530A CN 106019530 A CN106019530 A CN 106019530A CN 201610628758 A CN201610628758 A CN 201610628758A CN 106019530 A CN106019530 A CN 106019530A
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- heliostat
- truss
- optically focused
- mirror
- heat utilization
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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
- G02B7/183—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors specially adapted for very large mirrors, e.g. for astronomy, or solar concentrators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S23/00—Arrangements for concentrating solar-rays for solar heat collectors
- F24S23/70—Arrangements for concentrating solar-rays for solar heat collectors with reflectors
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
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- Life Sciences & Earth Sciences (AREA)
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- Chemical & Material Sciences (AREA)
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- Sustainable Energy (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention relates to a light condensing heliostat for solar tower type heat utilization. The light condensing heliostat comprises a reflecting mirror, reflecting mirror supporting parts, multiple trusses, a truss fixing device, a hydraulic driving system, a universal joint, a stand column and a controller; the reverse side of the reflecting mirror and the reflecting mirror supporting parts are connected together to form multiple sub-mirrors of the light condensing heliostat; the trusses are connected to the truss fixing device, and the trusses radiate outwards from the truss fixing device located in the center to form an umbrella-shaped support; the sub-mirrors of the light condensing heliostat are fixedly connected to the trusses which form the umbrella-shaped support; the truss fixing device is fixedly connected with one end of the universal joint, the other end of the universal joint is fixedly connected with the stand column, and therefore the heliostat can freely rotate in the horizontal dimension and in the pitching dimension; the hydraulic driving system comprises hydraulic pushing rods, one end of one hydraulic pushing rod is connected to the stand column, the other end of one hydraulic pushing rod is connected to the trusses, one end of the other hydraulic pushing rod is connected to the universal joint, and the other end of the other hydraulic pushing rod is connected to the trusses; the controller is used for controlling the hydraulic driving system; the stand column stands on the ground.
Description
Technical field
The present invention relates to solar energy heat utilization field, fixed particularly to a kind of optically focused for solar energy tower type heat utilization
Solar eyepiece.
Background technology
Solar energy resources is the important solutions of energy problem in this century.Solar energy thermal-power-generating is different from solar-electricity
Pond generates electricity, and possesses cheap energy storage advantage, and power output capability is stable, utilizes aspect on a large scale at solar energy resources
There is its unique advantage.Solar energy thermal-power-generating mainly has slot type, tower, Fresnel and butterfly four kinds.The most tower
Solar heat power generation system utilizes the heat extractor that sunlight is reflexed on high tower by the heliostat of substantial amounts, heater
Matter, converts light energy into heat energy.Working medium for tower type solar energy thermal power generation field is mainly by fused salt, water, air
(CO2) etc. material, the heat that working medium is taken out of can pass through steam turbine and supporting heat power engineering system, power system, quilt
Be converted into electric energy, it is achieved solar energy from light to electricity conversion, it is also possible to be used directly in other heat utilization fields.
Heliostat plays the function of illumination reflecting focal to heat extractor in tower type solar heat utilization system, is to be
The important component part of system.Heliostat can determine itself according to the orientation of the sun, the relative position of heat absorption tower
Attitude, effectively reflexes to tower appointment position of absorbing heat by sunlight.
The key component of heliostat includes: mirror surface, supporting structure, drive system, control system, vertical
Post and basis.
The key parameter of single heliostat includes reflective surface area, carrying blast, surface precision.Reflective surface area is the biggest,
The quantity of unit are required control driving equipment is the fewest, but bearing load increases, and driving and supporting construction
Ask higher, at present at this area heliostat area from 2m2-178m2Do not wait and all have production；Carrying blast is the biggest, says
Bright heliostat can bear bigger wind load, and under certain natural environmental condition, the working time is longer, and generated energy is more
Greatly；Surface precision is more preferable, illustrates that more reflecting light can project assigned direction, and optical efficiency is higher, light
Speckle quality is the best.
The Jing Chang of Solar Energy Heat Utilization System is to be formed according to certain rule arrangement by the heliostat of huge number.For protecting
Demonstrate,proving sufficiently high optical efficiency and be necessary to ensure that front and rear row heliostat blocks the most mutually, front and rear row heliostat should keep reasonable
Spacing.Heliostat is during solar tracking, and minute surface can rotate freely centered by the strong point, and floor space is with column
Centered by the external circle of heliostat, heliostat is between left and right away from should not be the shortest.
Heliostat in the market is mostly many faces mirror and is spliced into a heliostat, shape master by Precision Machining
To be square or the rectangle of approximating square.This heliostat packaging technology is complicated, can occur under wind-force effect
Left and right exciting, additionally, due to front and back blocking, mirror field optics is inefficient, and rectangle heliostat circumscribed circle size is bigger than normal,
Unit heliostat floor space is big, and corresponding total mirror field floor space is relatively big, and mirror field is relatively costly.
Summary of the invention
It is an object of the invention to overcome the defect that existing heliostat optical efficiency is relatively low, mirror field floor space is big, from
And provide a kind of hexagonal hot spot adjustable novel heliostat.
To achieve these goals, the invention provides a kind of optically focused heliostat for solar energy tower type heat utilization,
Including: reflecting mirror 1, mirror support 13, truss 4, truss holder 9, fluid power system, universal joint
11, column 2 and controller 5；Wherein,
The back side of described reflecting mirror 1 links together with described mirror support 13, forms the son of optically focused heliostat
Mirror；Described truss 4 is connected on described truss holder 9, and multiple truss 4 are from centrally located described truss
Holder 9, to external radiation, forms umbrella-type support；The sub-mirror of multiple optically focused heliostats is fixedly connected on into umbrella-type support
Truss 4 on；Described truss holder 9 is fixing with one end of described universal joint 11 to be connected, described universal joint 11
The other end fixing with described column 2 be connected so that heliostat can be freely rotatable in level and two dimensions of pitching；
Described fluid power system includes hydraulic push rod, and one end of in described hydraulic push rod is connected to described column 2
On, the other end is connected on described truss 4, and another one end is connected on described universal joint 11, and the other end is even
It is connected on described truss 4；Described controller 5 is used for controlling described fluid power system；Described column 2 stands in ground
On face.
In technique scheme, the sub-mirror of multiple optically focused heliostats is stitched together, and forms the minute surface of optically focused heliostat,
The minute surface of described optically focused heliostat be shaped as regular hexagon.
In technique scheme, described reflecting mirror 1 be shaped as a right-angled trapezium.
In technique scheme, one piece of described reflecting mirror 1 connects and has multiple described mirror support 13, this
A little mirror support 13 use the arrangement mode of nonuniform mutation operator on described reflecting mirror 1, i.e. in heliostat
Heart side, described mirror support 13 is arranged more loose, away from side, heliostat center, described mirror support
Part 13 is arranged comparatively dense.
In technique scheme, described truss 4 be arranged above regulating the studs 17 of level altitude；Institute
Stating mirror support 13 when being connected with described truss 4, bolt and an intermediate metal film 16 of studs 17 are solid
Fixed connection；Described intermediate metal film 16 two ends perforate, by the mirror support 13 of friction-type bolt Yu both sides
Connect.
In technique scheme, the sub-mirror of multiple optically focused heliostats is stitched together, and forms the minute surface of optically focused heliostat；
The reflecting surface that minute surface is a nick of described optically focused heliostat, can adjust by regulating the height of described studs 17
The face shape of joint heliostat minute surface, thus regulate the focal length of the reflecting surface of described nick.
In technique scheme, described mirror support 13 is rectangular tube, and sheet metal is stretched out in its both sides, in institute
State and on sheet metal, have the elliptical aperture that can compensate for settled date mirror mirror alignment error.
In technique scheme, described truss 4 is plane girder, has upper and lower two to consolidate with described truss holder 9
Fixed point；Described truss 4 has two types, long truss and short truss；Wherein, long truss is arranged in circumradius,
Short truss arrangement is at inscribed circle radius.
In technique scheme, described truss holder 9 is truncated cone-shaped, and its upper and lower surfaces gusset extension is used
In fixing described truss 4, plate fixed above is relatively big, and lower mounting plate is less, and centre is fixed by gusset.
In technique scheme, described universal joint 11 has two axles, respectively universal joint A axle 15, universal joint B
Axle 14；Hydraulic push rod included in described fluid power system at least two, the respectively first hydraulic push rod 8,
Second hydraulic push rod 6；Described first hydraulic push rod 8 therein is used for controlling the rotation of described universal joint A axle 15,
Its one end is fixed on universal joint A axle 15, and the other end is fixed on described truss 4；Described second hydraulic push rod 6
For controlling the rotation of universal joint B axle 14, its one end is fixed on described column 2, and the other end is by being fixed on
State on truss 4.
In technique scheme, its one end is fixed on institute by universal joint or ball connection by described second hydraulic push rod 6
State on truss 4.
In technique scheme, described controller 5 is by controlling to adjust heliostat to described fluid power system
Reflecting surface direction.
In technique scheme, described controller 5 also comprises wireless receiving transmitter module, for the control with full Jing Chang
Device processed interconnects.
In technique scheme, the power supply of described controller 5 and fluid power system is by being fixed on truss holder 9
On hexagon solar panel provide.
It is an advantage of the current invention that:
1, the mirror shape for the optically focused heliostat of solar energy tower type heat utilization of the present invention is hexagon, more existing
Rectangle heliostat most commonly seen in technology, either in floor space, block in efficiency, mirror field optics efficiency all
Make moderate progress；
2, the optically focused heliostat for solar energy tower type heat utilization of the present invention uses the right-angled trapezium glass close to triangle
Glass, can be formed by the cutting of rectangular glass raw material, and almost without leftover pieces, cost is relatively low；And right-angled trapezium approximation three
Dihedral, owing to triangle stability is higher, so this shape is also beneficial to the accurate tune of heliostat reflector shape
Whole and keep；
3, the back side for the optically focused heliostat of solar energy tower type heat utilization of the present invention is bonding with mirror support,
More loose near the distribution of heliostat central reflector support member, support away from heliostat central reflector and see that distribution is tighter
Close, it is ensured that the wind load gravitational load that reflecting mirror bears being delivered on truss evenly, deform less；
4, the truss structure of the optically focused heliostat for solar energy tower type heat utilization of the present invention is radiation umbrella-type support,
Its weight is concentrated mainly on heliostat mid portion, and eigentone is higher, concentrates on structure centre.This makes
Under wind-force effect, the oscillatory type of heliostat is more stable.
5, the optically focused heliostat for solar energy tower type heat utilization of the present invention can regulate heliostat minute surface face type, from
And regulating heliostat focal length so that spotlight effect is more preferable.
7, the truss structure of the optically focused heliostat for solar energy tower type heat utilization of the present invention uses solaode straight
Connecing power supply, RI radio intelligence transmits.Light field three net laying is greatly decreased and sets expense.
Accompanying drawing explanation
Fig. 1 is the front elevation of the optically focused heliostat for solar energy tower type heat utilization of the present invention；
Fig. 2 is the back view of the optically focused heliostat for solar energy tower type heat utilization of the present invention；
Fig. 3 be the present invention the optically focused heliostat for solar energy tower type heat utilization in the enlarged diagram of back portion；
Fig. 4 is glass processing schematic diagram；
Fig. 5 is the schematic diagram of the optically focused heliostat neutron mirror bonding way for solar energy tower type heat utilization of the present invention；
Fig. 6 is that the optically focused heliostat neutron mirror for solar energy tower type heat utilization of the present invention is fixed with truss and is connected
Schematic diagram；
Fig. 7 be the present invention the optically focused heliostat for solar energy tower type heat utilization in truss and truss fixing device
Connection diagram；
Fig. 8 be the present invention the optically focused heliostat for solar energy tower type heat utilization in the schematic diagram of universal joint；
Fig. 9 be the present invention the optically focused heliostat for solar energy tower type heat utilization in the fixing side of the first hydraulic push rod
The schematic diagram of formula；
Figure 10 be the present invention the optically focused heliostat for solar energy tower type heat utilization in the second hydraulic push rod and truss
Connection diagram；
Figure 11 be the present invention the optically focused heliostat for solar energy tower type heat utilization in the second hydraulic push rod and column
Connection diagram；
Figure 12 is the installation of the solar panel in the optically focused heliostat for solar energy tower type heat utilization of the present invention
Schematic diagram；
Figure 13 is regular hexagon heliostat and square heliostat floor space comparison diagram；
Figure 14 is that regular hexagon heliostat blocks efficiency comparison figure with square heliostat.
Drawing explanation
1 reflecting mirror 2 column
3 solar panel 4 truss
5 controller 6 second hydraulic push rods
7 second hydraulic push rod column permanent universal joint 8 first hydraulic push rods
9 truss holder 10 second hydraulic push rod permanent universal joints
11 universal joint 12 first hydraulic push rod truss holders
13 mirror support 14 universal joint B axles
15 universal joint A axle 16 intermediate metal films
17 studs
Detailed description of the invention
In conjunction with accompanying drawing, the invention will be further described.
With reference to Fig. 1, Fig. 2 and Fig. 3, the optically focused heliostat for solar energy tower type heat utilization of the present invention is used for following
Solar azimuth, reflects incidence sunlight and focuses on heat extractor, comprising: reflecting mirror 1, mirror support
13, truss 4, truss holder 9, fluid power system, universal joint 11, column 2 and controller 5；Wherein,
The back side of described reflecting mirror 1 links together with mirror support 13, forms the sub-mirror of optically focused heliostat；Described
Truss 4 is connected on truss holder 9, multiple truss 4 from centrally located truss holder 9 to external radiation,
Form umbrella-type support；The sub-mirror of multiple optically focused heliostats is fixedly connected on on the truss 4 of umbrella-type support；Described purlin
Frame holder 9 is fixing with one end of described universal joint 11 to be connected, and the other end of described universal joint 11 is solid with column 2
Fixed connection so that heliostat can be freely rotatable in level and two dimensions of pitching；Described fluid power system includes
Hydraulic push rod, Hydraulic Station, one end of in described hydraulic push rod is connected on column 2, and the other end is connected to
On truss 4, another one end is connected on universal joint, and the other end is connected on truss；Described controller 5 is used
In controlling fluid power system；Described column 2 is vertical on the ground.
Below all parts in optically focused heliostat is described further.
Described reflecting mirror 1 be shaped as a right-angled trapezium, the angle that this right-angled trapezium is other two jiaos be respectively 60 ° and
120°.As shown in Figure 4, this of reflecting mirror 1 is shaped such that it adds and will not produce corner doing glass-cutting man-hour
Waste material, cost is relatively low.This right-angled trapezium is subtriangular, owing to triangle stability is higher, so reflecting mirror 1
This shape be also beneficial to accurately adjusting and keeping of heliostat reflector shape.
With reference to Fig. 5, mirror support 13 is fixed on the back side of reflecting mirror 1 in the way of gluing connecing.In Fig. 5 institute
In the embodiment shown, mirror support 13 is rectangular tube, but is not limited to this in actual use, implements at other
Example can also use angle steel or other section bars as mirror support.In conjunction with Fig. 1 it can be seen that anti-at one piece
Penetrate and on mirror 1, be bonded with multiple mirror support 13, these mirror support 13 use on reflecting mirror 1 non-all
The arrangement mode of even layout, i.e. near heliostat center (right-angled trapezium minor face) side, mirror support 13 row
Cloth is more loose, and away from heliostat center (the long limit of right-angled trapezium) side, mirror support 13 is arranged comparatively dense.
This arrangement mode can ensure that wind load gravitational load that reflecting mirror 1 bears being delivered on truss 4 evenly,
The deformation making whole heliostat is less.
Described reflecting mirror 1 links together with mirror support 13, forms the sub-mirror of optically focused heliostat.Multiple poly-
The sub-mirror of light heliostat is stitched together, and forms orthohexagonal optically focused heliostat minute surface.Shown in Fig. 1-Fig. 3
In embodiment, the sub-mirror of optically focused heliostat has 12, this 12 slice, thin piece mirror collectively constitute the reflection of a nick
Face.In other embodiments, the number of sub-mirror can change according to other factors, as glass difficulty of processing,
Leftover pieces, the number of truss, support pattern etc..As a kind of preferred implementation, in the reality shown in Fig. 1-Fig. 3
Execute in example, heliostat minute surface be shaped as regular hexagon.But being not limited to this, the shape of heliostat minute surface can also be
Other non-regular hexagonal.
The mirror support 13 of settled date mirror mirror is connected with truss 4.In the embodiment shown in fig. 5, as reflection
Sheet metal is stretched out in the both sides of the rectangular tube of mirror support member 13, and this sheet metal has elliptical aperture.Fig. 6 is anti-
Penetrate the connection diagram of mirror support member 13 and truss 4, as it can be seen, the scalable that is arranged above of truss 4 is fixed
The studs 17 of height, bolt is fixing with intermediate metal film 16 to be connected.Intermediate metal film 16 two ends perforate, uses
Sheet metal in the mirror support 13 with both sides is connected.Mention before, mirror support 13 both sides
Having elliptical aperture on sheet metal, this elliptical aperture can compensate for the alignment error of settled date mirror mirror.Intermediate metal film 16
The hole at two ends uses friction-type bolt to be connected with the elliptical aperture on sheet metal.
Heliostat minute surface on-plane surface.The Jing Chang of solar-thermal generating system is made up of the heliostat of huge number, these settled dates
Mirror is arranged according to the circular arc mode of interlocking.In order to realize optimal focusing effect, according to the difference of distance heat absorption tower position,
Heliostat should have different focal lengths, thus should have different settled date mirror type.Therefore in heliostat installation process
In, the heliostat in orientation is arranged for difference, need to calculate respectively corresponding to the target face type of this heliostat is double
Header stud height, then by the height of the studs 17 on regulation truss 4, makes minute surface face type reach desired value.
Truss holder 9 is truncated cone-shaped, and upper and lower surfaces gusset extension is used for fixing truss 4, plate fixed above
Relatively big, lower mounting plate is less, and centre is fixed by gusset.
Fig. 7 (a) and Fig. 7 (b) is the connection diagram of truss 4 and truss holder 9.Truss 4 is plane purlin
Frame, has upper and lower two fixing points with truss holder 9.Truss has two types, long truss and short truss；Wherein,
Long truss is arranged in circumradius, and short truss arrangement is at inscribed circle radius.The longest truss fixing point arranges two
Bolt, short truss fixing point arranges a bolt.
In the embodiment shown in fig. 7, truss 4 is by rectangular tube welding production molding, but is not limited to this, at other
Embodiment can also use the section bar such as angle steel, I-steel.
As shown in Figure 8, universal joint 11 has two axles, respectively universal joint A axle 15, universal joint B axle 14；With
Corresponding, as a kind of preferred implementation, the hydraulic push rod included in described fluid power system has
Two, respectively first hydraulic push rod the 8, second hydraulic push rod 6；First hydraulic push rod 8 therein is for control ten thousand
To the rotation of joint A axle 15, as it is shown in figure 9, its one end is fixed on universal joint A axle (15), the other end leads to
Cross the first hydraulic push rod truss holder 12 to be fixed on truss 4.Second hydraulic push rod 6 is used for controlling universal joint B
The rotation of axle 14, as shown in Figure 10 and Figure 11, its one end is solid by the second hydraulic push rod column permanent universal joint 7
Being scheduled on column 2, the other end is fixed on truss 4 by the second hydraulic push rod permanent universal joint 10.Although upper
Stating in embodiment, hydraulic push rod fixing point on truss 4 uses universal joint to fix, but is not limited to this, it is also possible to
Use ball connects.In other embodiments, the number of the hydraulic push rod in described fluid power system also can be not limited to
Two, such as three or more, but at least should ensure that a hydraulic push rod acts on universal joint A axle 15 or universal joint
On B axle 14.
Controller 5 is capable of the control to fluid power system.In heliostat work process, along with sun side
The change of position, in order to realize optimal solar light focusing effect, needs to be adjusted the reflecting surface direction of heliostat,
The direction of heliostat reflecting surface can be controlled fluid power system regulation by controller 5.By the calculating of controller,
The most in the same time, the stroke of regulation hydraulic push rod, make reflecting surface that approximately parallel incident sunlight is reflexed to specific bit
Put.Controller 5 can use chip microcontroller.Controller 5 also can comprise wireless receiving transmitter module, for entirely
The controller interconnection of Jing Chang.
Heliostat powering mode is that solar panel is powered.The power supply of controller 5 and fluid power system is from too
Sun can cell panel and dc-battery.As shown in figure 12, solar panel 3 is arranged on above intermediate truss holder,
It is shaped as regular hexagon.
The mirror shape for the optically focused heliostat of solar energy tower type heat utilization of the present invention is hexagon, more existing skill
Rectangle heliostat most commonly seen in art, the optically focused heliostat of this shape either floor space, block efficiency,
All make moderate progress in mirror field optics efficiency.
First floor space is compared.When carrying out the arrangement of heliostat, the minimum floor space of heliostat is
The interference cylindrical zone at heliostat place.The scope that i.e. heliostat moves when rotating around central point, if two fixed
Solar eyepiece interferes cylindrical zone overlapping, it may occur that collides and damages.The area projected earthward of this interference cylinder is the settled date
The circumscribed circle correspondence area of mirror type.
With reference to accompanying drawing 13, the hexagon heliostat of the present invention is compared to rectangle heliostat, external under identical reflective area
Radius of circle is less, and one side heliostat saves the floor space of about 20%, effectively reduces left and right heliostat mounting distance.
Area is that the regular hexagon of S compares with foursquare circumradius:
DSix=0.877DFour,SSix=0.770SFour。
Wherein DSixAnd DFourIt is hexagon and the external diameter of a circle of square, S respectivelySixAnd SFourIt is hexagon respectively
Area with square circumscribed circle.
Secondly shading efficiency is compared.The hexagon heliostat of the present invention when arranging according to the circular arc mode of interlocking,
Front and back shielded area is less, can effectively reduce the mounting distance of before and after's heliostat.Arrangement model in accompanying fig. 14
Under, it is foursquare that to block efficiency low by 6.5%.Therefore, the Jing Chang of hexagon heliostat arranges that density is higher, identical
The Jing Chang of floor space, heliostat reflective area is bigger.
Finally the optical efficiency with regard to Jing Chang compares.The optical efficiency of Jing Chang is the most relevant with cosine efficiency.In north
Hemisphere, the cosine efficiency zone line in heat absorption tower north side is got the highest, owing to density arranged by the heliostat of the present invention
Height, under identical heliostat reflective area premise, the heliostat of the present invention can more be arranged in optical efficiency more
High region, so relative to rectangle heliostat, the mirror field optics of the heliostat composition of the present invention is in hgher efficiency.
It should be noted last that, above example is only in order to illustrate technical scheme and unrestricted.Although
With reference to embodiment, the present invention is described in detail, it will be understood by those within the art that, to the present invention
Technical scheme modify or equivalent, without departure from the spirit and scope of technical solution of the present invention, it is equal
Should contain in the middle of scope of the presently claimed invention.
Claims (14)
1. the optically focused heliostat for solar energy tower type heat utilization, it is characterised in that including: reflecting mirror (1),
Mirror support (13), truss (4), truss holder (9), fluid power system, universal joint (11),
Column (2) and controller (5)；Wherein,
The back side of described reflecting mirror (1) links together with described mirror support (13), forms the optically focused settled date
The sub-mirror of mirror；Described truss (4) is connected on described truss holder (9), and multiple truss (4) are from be positioned at
Described truss holder (9) at the heart, to external radiation, forms umbrella-type support；The sub-mirror of multiple optically focused heliostats is fixed
It is connected on the truss (4) of umbrella-type support；Described truss holder (9) and the one of described universal joint (11)
End is fixing to be connected, and the other end of described universal joint (11) is fixing with described column (2) to be connected so that heliostat energy
Enough freely rotatable in level and two dimensions of pitching；Described fluid power system includes hydraulic push rod, described hydraulic thrust
One end of in bar one is connected on described column (2), and the other end is connected on described truss (4), another
The one end propped up is connected on described universal joint (11), and the other end is connected on described truss (4)；Described controller
(5) it is used for controlling described fluid power system；Described column (2) is vertical on the ground.
Optically focused heliostat for solar energy tower type heat utilization the most according to claim 1, it is characterised in that
The sub-mirror of multiple optically focused heliostats is stitched together, and forms the minute surface of optically focused heliostat, the mirror of described optically focused heliostat
Face be shaped as regular hexagon.
Optically focused heliostat for solar energy tower type heat utilization the most according to claim 1, it is characterised in that
Described reflecting mirror (1) be shaped as a right-angled trapezium.
Optically focused heliostat for solar energy tower type heat utilization the most according to claim 1, it is characterised in that
Multiple described mirror support (13), these mirror support are had in the upper connection of one piece of described reflecting mirror (1)
(13) at the upper arrangement mode using nonuniform mutation operator of described reflecting mirror (1), i.e. near side, heliostat center,
Described mirror support (13) is arranged more loose, away from side, heliostat center, described mirror support (13)
Arrangement comparatively dense.
Optically focused heliostat for solar energy tower type heat utilization the most according to claim 1, it is characterised in that
Described truss (4) be arranged above regulating the studs (17) of level altitude；Described mirror support
(13), when being connected with described truss (4), the bolt of studs (17) and an intermediate metal film (16) are fixed
Connect；Described intermediate metal film (16) two ends perforate, by the mirror support (13) of friction-type bolt Yu both sides
Connect.
Optically focused heliostat for solar energy tower type heat utilization the most according to claim 5, it is characterised in that
The sub-mirror of multiple optically focused heliostats is stitched together, and forms the minute surface of optically focused heliostat；The mirror of described optically focused heliostat
Face is the reflecting surface of a nick, can regulate heliostat minute surface by regulating the height of described studs (17)
Face shape, thus regulate the focal length of the reflecting surface of described nick.
Optically focused heliostat for solar energy tower type heat utilization the most according to claim 1, it is characterised in that
Described mirror support (13) is rectangular tube, and sheet metal is stretched out in its both sides, has on described sheet metal
Can compensate for the elliptical aperture of settled date mirror mirror alignment error.
Optically focused heliostat for solar energy tower type heat utilization the most according to claim 1, it is characterised in that
Described truss (4) is plane girder, has upper and lower two fixing points with described truss holder (9)；Described truss
(4) there is two types, long truss and short truss；Wherein, long truss is arranged in circumradius, short truss arrangement
At inscribed circle radius.
Optically focused heliostat for solar energy tower type heat utilization the most according to claim 1, it is characterised in that
Described truss holder (9) is truncated cone-shaped, and its upper and lower surfaces gusset extension is used for fixing described truss (4),
Plate fixed above is relatively big, and lower mounting plate is less, and centre is fixed by gusset.
Optically focused heliostat for solar energy tower type heat utilization the most according to claim 1, it is characterised in that
Described universal joint (11) has two axles, respectively universal joint A axle (15), universal joint B axle (14)；Described liquid
Hydraulic push rod at least two included in pressure drive system, the respectively first hydraulic push rod (8), the second hydraulic pressure
Push rod (6)；Described first hydraulic push rod (8) therein is used for controlling the rotation of described universal joint A axle (15),
Its one end is fixed on universal joint A axle (15), and the other end is fixed on described truss (4)；Described second hydraulic pressure
Push rod (6) is used for controlling the rotation of universal joint B axle (14), and its one end is fixed on described column (2), separately
One end is by being fixed on described truss (4).
The 11. optically focused heliostats for solar energy tower type heat utilization according to claim 10, it is characterised in that
Its one end is fixed on described truss (4) by described second hydraulic push rod (6) by universal joint or ball connection.
The 12. optically focused heliostats for solar energy tower type heat utilization according to claim 1, it is characterised in that
Described controller (5) by controlling to adjust the reflecting surface direction of heliostat to described fluid power system.
The 13. optically focused heliostats for solar energy tower type heat utilization according to claim 1, it is characterised in that
Described controller (5) also comprises wireless receiving transmitter module, interconnects for the controller with full Jing Chang.
The 14. optically focused heliostats for solar energy tower type heat utilization according to claim 1, it is characterised in that
The power supply of described controller (5) and fluid power system is by the hexagon sun being fixed on truss holder (9)
Can provide by cell panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628758.9A CN106019530A (en) | 2016-08-01 | 2016-08-01 | Light condensing heliostat for solar tower type heat utilization |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610628758.9A CN106019530A (en) | 2016-08-01 | 2016-08-01 | Light condensing heliostat for solar tower type heat utilization |
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| Publication Number | Publication Date |
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| CN106019530A true CN106019530A (en) | 2016-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610628758.9A Pending CN106019530A (en) | 2016-08-01 | 2016-08-01 | Light condensing heliostat for solar tower type heat utilization |
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| Country | Link |
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| CN (1) | CN106019530A (en) |
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| CN110285590A (en) * | 2019-06-17 | 2019-09-27 | 武汉理工大学 | A kind of novel pentagon heliostat |
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Application publication date: 20161012 |