CN105353498A - Anti-hail heliostat - Google Patents
Anti-hail heliostat Download PDFInfo
- Publication number
- CN105353498A CN105353498A CN201510821613.6A CN201510821613A CN105353498A CN 105353498 A CN105353498 A CN 105353498A CN 201510821613 A CN201510821613 A CN 201510821613A CN 105353498 A CN105353498 A CN 105353498A
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- CN
- China
- Prior art keywords
- heliostat
- hail
- glass reflector
- truss
- reflecting surface
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- G02B7/198—Mountings, adjusting means, or light-tight connections, for optical elements for prisms; for mirrors for mirrors with means for adjusting the mirror relative to its support
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Provided is an anti-hail heliostat. The upper portion of a heliostat stand column (1) is equipped with a double-shaft tracking transmission case (2); the two sides of the double-shaft tracking transmission case (2) are respectively provided with a heliostat main beam (3); each heliostat main beam (3) is equipped with an inner plane truss (4) and an outer plane truss (5); the inner plane truss (4) and the outer plane truss (5) are equipped with two outer beams (6) and an inner beam (7), which are vertical to the inner plane truss (4) and the outer plane truss (5); the two outer beams (6) and the inner beam (7) are provided with unit mirrors (8); glass reflection mirrors (9) of the unit mirrors (8) form a heliostat reflection surface; and the heliostat structure on a back surface (100) of the glass reflection mirrors (9) is equipped with an anti-hail net (11). In the non-working time of the heliostat, the heliostat reflection surface is turned upside down; the anti-hail net (11) is arranged on the upper portion of the glass reflection mirrors (9); and when hails drop, the anti-hail net (11) can block the hails which may damage the glass reflection mirrors.
Description
Technical field
The present invention relates to a kind of heliostat for Solar use.
Background technology
Heliostat is the beam condensing unit of tower type solar opto-thermal system, and heliostat reflecting surface follows the tracks of the sun, is reflected by sunshine and gathers fixed target.Current heliostat reflecting surface generally adopts silvered glass catoptron, and silvered glass catoptron has the advantages such as reflectivity is high, the life-span is long.Heliostat reflecting surface is generally assembled by the glass reflector in multiple unit mirror, and the glass reflector in unit mirror is become the differential of the arc face of needs by sheet glass catoptron by cold drawn and formed, and keep its differential of the arc shape by unit mirror support.But the glass reflector of heliostat unit mirror is hard brittle material, easily damaged under compared with the impact of heavy hail, heliostat can not be worked.
Some heliostats, in order to improve anti-ice hail type energy, certainly mainly improve the anti-ice hail type energy of glass reflector, arrange one deck tempered glass, be provided with doubling layer between silvered mirror and tempered glass in silvered glass mirror back surface.Although tempered glass and doubling layer improve the intensity of reflector for heliostat, shortcoming is the significantly raising bringing catoptron cost, also brings significantly improving of heliostat cost thereupon.
Summary of the invention
The object of the invention is the shortcoming overcoming prior art, a kind of hail suppression type heliostat of relatively low cost is provided.
The technical scheme that technical solution problem of the present invention adopts is:
Be provided with on heliostat pillar top and add by pitching rotating mechanism the double-axis tracking transmission case that horizontal rotary mechanism combines, heliostat girder is separately installed with in the both sides of the pitching rotating mechanism of double-axis tracking transmission case, every side heliostat girder is provided with an inner plane truss and an outerplanar truss, and inner plane truss is parallel to each other with outerplanar truss and vertical with heliostat girder; Inner plane truss on the heliostat girder of every side and outerplanar truss are provided with two outer crossbeams and an interior crossbeam, and outer crossbeam is vertical with outerplanar truss with inner plane truss with interior crossbeam; Outer crossbeam links with inner plane truss and outerplanar truss simultaneously, and in same, crossbeam also links with inner plane truss and outerplanar truss simultaneously; Two outer crossbeams and interior crossbeam are along the length equidistant placement of inner plane truss and outerplanar truss, and interior crossbeam is positioned at centre, and two outer crossbeams lay respectively at both sides.More than form the main supporting structure of heliostat.Two outer crossbeams and an interior crossbeam are provided with multiple unit mirror; The glass reflector of all unit mirrors forms heliostat reflecting surface.Heliostat reflecting surface is open type or semi-open type structure.On one's own time, heliostat girder around the horizontal rotational shaft of pitching rotating mechanism, can make heliostat reflecting surface back-off.In the heliostat structure at the glass reflector back side, be parallel to heliostat reflecting surface and anti-hail net is installed.Leave gap between anti-hail net and glass reflector, prevent anti-hail net to be subject to producing elastic deformation when hail impacts and impact glass reflector.In the heliostat non-working time, heliostat reflecting surface back-off, at this moment anti-hail net is positioned at the top of glass reflector, and when there being hail to land, anti-hail net can block hail glass reflector being caused to damage.
Concrete solution has two kinds:
One, anti-hail net is arranged on unit mirror support:
The back side of the glass reflector of described unit mirror is bonded with glass reflector support member; Described glass reflector is positioned at the top of unit mirror support, and upward, the back side of glass reflector is linked by glass reflector support member and unit mirror support the reflecting surface of glass reflector; Anti-hail net can be parallel to the bottom that glass reflector is fixed on unit mirror support.
Two, anti-hail net is arranged on heliostat post main supporting structure:
On two outer crossbeams that anti-hail net is fixed on the heliostat main supporting structure at heliostat reflecting surface back and an interior crossbeam.
Anti-hail net is made up of wire gauze and metal framework, and wire gauze is linked into an integrated entity by welding and metal framework.
The width of mesh of wire gauze should be determined by following principle: can cause the hail of damage should not by anti-hail net to glass reflector.
The present invention just in heliostat unit mirror the glass reflector back side heliostat structure on increase one deck anti-hail net, the cost of anti-hail net is lower, increases anti-hail net and can not significantly increase heliostat cost.
Accompanying drawing explanation
Schematic diagram when Fig. 1 is the heliostat work of the embodiment of the present invention;
Fig. 2 is the schematic diagram of heliostat work when off working state during reflecting surface back-off of the embodiment of the present invention;
Fig. 3 is the anti-hail net structural representation of the embodiment of the present invention;
Fig. 4 is the glass reflector of the unit mirror of the embodiment of the present invention and the connection diagram of glass reflector support member;
Fig. 5 is glass reflector and the unit mirror support relative position schematic diagram of the unit mirror of the embodiment of the present invention;
Fig. 6 is the schematic diagram that the glass reflector of the unit mirror of the embodiment of the present invention is connected with unit mirror support by glass reflector support member;
Fig. 7 is the heliostat of the embodiment of the present invention, and its anti-hail net is arranged on the schematic diagram on unit mirror support;
Fig. 8 is the heliostat of the embodiment of the present invention, and its anti-hail net is arranged on the schematic diagram on interior crossbeam and outer crossbeam;
Fig. 9 is the B direction view of Fig. 8, for anti-hail net is fixed on the schematic diagram on interior crossbeam and outer crossbeam;
Figure 10 is the A-A direction view of Fig. 8, for anti-hail net is fixed on the schematic diagram on interior crossbeam and outer crossbeam;
The hail suppression type heliostat schematic diagram of Figure 11 to be reflecting surface be semi-open type.
Embodiment
The present invention is further illustrated below in conjunction with the drawings and specific embodiments.
As depicted in figs. 1 and 2, be provided with on heliostat pillar 1 top and add by pitching rotating mechanism the double-axis tracking transmission case 2 that horizontal rotary mechanism combines.In the both sides of the pitching rotating mechanism of double-axis tracking transmission 2, heliostat girder 3 is respectively installed.Every side heliostat girder 3 is provided with an inner plane truss 4 and an outerplanar truss 5, and inner plane truss 4 is parallel to each other with outerplanar truss 5 and vertical with heliostat girder 3.Inner plane truss 4 on every side heliostat girder 3 and outerplanar truss 5 are provided with two outer crossbeams 6 and an interior crossbeam 7, outer crossbeam 6 is vertical with outerplanar truss 5 with inner plane truss 4 with interior crossbeam 7, outer crossbeam 6 links with inner plane truss 4 and outerplanar truss 5 simultaneously, and in same, crossbeam 7 also links with inner plane truss 4 and outerplanar truss 5 simultaneously; Two outer crossbeams 6 and interior crossbeam 7 are along the length equidistant placement of inner plane truss 4 and outerplanar truss 5, and interior crossbeam 7 is positioned at centre, and outer crossbeam 6 is positioned at both sides.Heliostat main supporting structure is formed with upper-part.Two on a heliostat girder 3 outer crossbeams 6 and an interior crossbeam 7 are provided with four unit mirrors 8; The glass reflector 9 of eight unit mirrors 8 forms heliostat reflecting surface, and heliostat reflecting surface is open architecture.On one's own time, heliostat girder 3 can rotate around the transverse axis 10 of pitching rotating mechanism, makes heliostat reflecting surface back-off.
As shown in Figure 3, anti-hail net 11 is made up of metal framework 13 and wire gauze 12, and metal framework 13 surrounds the surrounding of this wire gauze 12, and wire gauze 12 is linked by the mode of welding and metal framework 13.The size of the mesh of wire gauze 12 hail that should guarantee to cause damage to glass reflector 9 not by.
Anti-hail net is arranged on heliostat two schemes.
Scheme one: anti-hail net is arranged on unit mirror support.
As shown in Figure 4, glass reflector 9 back side 100 is bonded with glass reflector support member 14; As shown in Figure 5, glass reflector 9 is positioned at the top of unit mirror support 15, and the reflecting surface 200 of glass reflector upward.As shown in Figure 6, the glass reflector back side 100 is linked by glass reflector support member 14 and unit mirror support 15, and glass reflector 9 is parallel with the lower surface 300 of unit mirror support 15.As shown in Figure 7, anti-hail net 11 is parallel to glass reflector 9, is fixed on the lower surface 400 of unit mirror support.As shown in Figure 2, when unit mirror 8 is installed to after on heliostat, in the heliostat non-working time, because heliostat reflecting surface back-off, so anti-hail net 11 is positioned at the top of glass reflector 9.When there being hail to land, anti-hail net 11 can stop hail glass reflector 9 being caused to damage.The spacing of anti-hail net 11 and glass reflector 9 can be determined by the height H of the gap h between glass reflector 9 and unit mirror support upper surface 300 and unit mirror support 15, ensures that anti-hail net 11 can not impact glass reflector 9 when being subject to hail impact generation elastic deformation.
Scheme two: anti-hail net is arranged on heliostat main supporting structure.
As shown in Fig. 8, Fig. 9 and Figure 10, on anti-hail net 16,17 is fixed on the back side of the glass reflector 9 of unit mirror 8 two outer crossbeams 6 by anti-hail net support member 18 and an interior crossbeam 7.In the heliostat non-working time, because heliostat reflecting surface back-off, so anti-hail net 16,17 is positioned at the top of glass reflector 9.When there being hail to land, anti-hail net 16,17 can block hail glass reflector 9 being caused to damage.As shown in Figure 8, the spacing of anti-hail net 16,17 and glass reflector 9 can by the height d of the height H of the gap h between glass reflector 9 and unit mirror support upper surface 300, unit mirror support 15, outer crossbeam 6, and the height D of anti-hail net support member 18 determines, ensure that anti-hail net 16,17 can not impact glass reflector 9 when being subject to hail impact generation elastic deformation, the height of described interior crossbeam 7 and outer crossbeam 6 is equal.
Technical solution of the present invention is also applicable to the heliostat that reflecting surface is semi-open type.
Heliostat as shown in figure 11, its reflecting surface 20 is semi-open type structure, and semi-open type reflecting surface 20 can rotate along the direction of arrow 19 and carry out back-off.The heliostat structure at reflecting surface 20 back installs anti-hail net, and when reflecting surface 20 back-off, anti-hail net is positioned at the top of reflecting surface 20, and anti-hail net can be reflecting surface 20 and blocks the hail causing reflecting surface 20 to damage.
Claims (5)
1. a hail suppression type heliostat, the double-axis tracking transmission case (2) being added horizontal rotary mechanism combination by pitching rotating mechanism is installed on its heliostat pillar (1) top, heliostat girder (3) is separately installed with in the both sides of double-axis tracking transmission case (2), every side heliostat girder (3) is provided with an inner plane truss (4) and an outerplanar truss (5), and inner plane truss (4) is parallel to each other with outerplanar truss (5) and vertical with heliostat girder (3); Inner plane truss (4) on every side heliostat girder (3) and outerplanar truss (5) are provided with two outer crossbeams and an interior crossbeam, outer crossbeam and interior crossbeam link with inner plane truss (4) and outerplanar truss (5) all simultaneously, and vertical with outerplanar truss (5) with inner plane truss (4); Two outer crossbeams and interior crossbeam are along the length equidistant placement of inner plane truss and outerplanar truss, and interior crossbeam is positioned at centre, and two outer crossbeams lay respectively at both sides; Two outer crossbeams on every side heliostat girder (3) and an interior crossbeam are provided with multiple unit mirror (8); The glass reflector (9) of all unit mirrors (8) forms heliostat reflecting surface; Heliostat reflecting surface is open type or semi-open type structure; Heliostat girder (3) can rotate around pitching rotating mechanism transverse axis (10) on one's own time, make heliostat reflecting surface back-off, it is characterized in that: in the heliostat structure at described heliostat reflecting surface back, be parallel to heliostat reflecting surface and anti-hail net (11) is installed, between anti-hail net (11) and glass reflector (9), leave gap; In the heliostat non-working time, heliostat reflecting surface back-off, at this moment anti-hail net (11) is positioned at the top of glass reflector (9), and when there being hail to land, anti-hail net (11) blocks hail glass reflector (9) being caused to damage.
2. hail suppression type heliostat as claimed in claim 1, is characterized in that: described anti-hail net (11) is made up of the metal framework (13) of wire gauze (12) and encirclement this wire gauze (12) surrounding.
3. hail suppression type heliostat as claimed in claim 1 or 2, is characterized in that: the size of the mesh of wire gauze (12) hail that should guarantee to cause damage to glass reflector (9) not by.
4. hail suppression type heliostat as claimed in claim 1, is characterized in that: on the back side (100) of described glass reflector (9), be bonded with glass reflector support member (14); Described glass reflector (9) is positioned at the top of unit mirror support (15), glass reflector (9) reflecting surface (200) upward, the back side (100) of glass reflector (9) is linked by glass reflector support member (14) and unit mirror support (15), and anti-hail net (11) is parallel to glass reflector (9) and is fixed on the lower surface (400) of unit mirror support.
5. hail suppression type heliostat as claimed in claim 1, is characterized in that: on two outer crossbeams (6) that described anti-hail net is fixed on the back side (100) of described glass reflector (9) by anti-hail net support member (18) and an interior crossbeam (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821613.6A CN105353498A (en) | 2015-11-24 | 2015-11-24 | Anti-hail heliostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510821613.6A CN105353498A (en) | 2015-11-24 | 2015-11-24 | Anti-hail heliostat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105353498A true CN105353498A (en) | 2016-02-24 |
Family
ID=55329493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510821613.6A Pending CN105353498A (en) | 2015-11-24 | 2015-11-24 | Anti-hail heliostat |
Country Status (1)
| Country | Link |
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| CN (1) | CN105353498A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105763151A (en) * | 2016-04-29 | 2016-07-13 | 中海阳能源集团股份有限公司 | Heliostat structure and installation method thereof |
| CN106899264A (en) * | 2017-03-27 | 2017-06-27 | 中国科学院电工研究所 | A kind of upside down fastened heliostat of subcircular |
| CN107525284A (en) * | 2017-10-10 | 2017-12-29 | 中科院南京天文仪器有限公司 | A kind of heliostat device |
| CN109724270A (en) * | 2019-01-28 | 2019-05-07 | 北京首航艾启威节能技术股份有限公司 | Heliostat with movable opening |
| CN116727398A (en) * | 2023-08-16 | 2023-09-12 | 沈阳仪表科学研究院有限公司 | Heliostat cleaning test device and installation method thereof |
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| CN104976797A (en) * | 2014-04-10 | 2015-10-14 | 左宏博 | Hail-suppression net for solar water heater |
| CN205210398U (en) * | 2015-11-24 | 2016-05-04 | 中国科学院电工研究所 | Hail suppression type heliostat |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105763151A (en) * | 2016-04-29 | 2016-07-13 | 中海阳能源集团股份有限公司 | Heliostat structure and installation method thereof |
| CN106899264A (en) * | 2017-03-27 | 2017-06-27 | 中国科学院电工研究所 | A kind of upside down fastened heliostat of subcircular |
| CN107525284A (en) * | 2017-10-10 | 2017-12-29 | 中科院南京天文仪器有限公司 | A kind of heliostat device |
| CN107525284B (en) * | 2017-10-10 | 2023-04-28 | 中科院南京天文仪器有限公司 | Heliostat device |
| CN109724270A (en) * | 2019-01-28 | 2019-05-07 | 北京首航艾启威节能技术股份有限公司 | Heliostat with movable opening |
| CN116727398A (en) * | 2023-08-16 | 2023-09-12 | 沈阳仪表科学研究院有限公司 | Heliostat cleaning test device and installation method thereof |
| CN116727398B (en) * | 2023-08-16 | 2023-10-31 | 沈阳仪表科学研究院有限公司 | Heliostat cleaning test device and installation method thereof |
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