CN109812994B - A speculum supporting component and heliostat for heliostat - Google Patents
A speculum supporting component and heliostat for heliostat Download PDFInfo
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- CN109812994B CN109812994B CN201910114317.0A CN201910114317A CN109812994B CN 109812994 B CN109812994 B CN 109812994B CN 201910114317 A CN201910114317 A CN 201910114317A CN 109812994 B CN109812994 B CN 109812994B
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- bonding
- heliostat
- reflector
- mirror
- sliding bearing
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- 239000004579 marble Substances 0.000 claims description 10
- 230000007613 environmental effect Effects 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 description 6
- 230000001070 adhesive effect Effects 0.000 description 6
- 238000010248 power generation Methods 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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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
- Y02E10/47—Mountings or tracking
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- Mounting And Adjusting Of Optical Elements (AREA)
Abstract
The invention discloses a reflector supporting assembly for a heliostat and the heliostat comprising the same, wherein the reflector supporting assembly is used for connecting the reflector and a heliostat frame and comprises an upper bonding body, a lower bonding body, a sliding bearing, a connecting rod, an adjusting body, a buffer body and a positioning body, the upper bonding body is fixedly connected with the reflector of the heliostat, and the lower bonding body is fixedly connected with the heliostat frame of the heliostat. The reflector supporting assembly for the heliostat can reduce the stress borne by the reflector under the action of larger wind resistance, so as to avoid the damage of the reflector due to the bearing of large stress, ensure that the surface type of the reflector is kept the same as that of the reflector in the initial horizontal state under various elevation angle sun-tracking working conditions, and improve the reflection efficiency of the reflector.
Description
Technical Field
The invention belongs to the field of solar thermal power generation, and particularly relates to a reflecting mirror supporting assembly for a heliostat and the heliostat comprising the reflecting mirror supporting assembly.
Background
Solar energy is increasingly applied as a clean renewable energy source, particularly, a photo-thermal power generation technology is a new solar energy utilization technology following a photovoltaic power generation technology, wherein the tower type solar thermal power generation technology has received wide attention due to the advantages of energy storage and peak regulation.
The heliostat in the tower type solar thermal power generation realizes the function of gathering sunlight on a heat absorber, and generates high-temperature and high-pressure steam by heating a working medium so as to drive a steam turbine to generate power. The heliostat is a light gathering device consisting of a reflecting mirror, a mirror bracket, a tracking device and a control system thereof, and is one of core devices in a tower type solar thermal power generation system. The reflector support assembly is used for connecting the reflector and the mirror frame.
In the prior art, the reflector supporting assemblies are all elastic members, the stress borne by the reflector under the wind resistance effect can be reduced while the reflector is supported, so that the reflector is prevented from being damaged due to the large stress borne by the reflector, when the reflector is in a horizontal state, the reflector supporting assemblies are matched with the mirror frame to enable the reflector to present a proper surface shape under the action of the positive pressure of the reflector, but when the reflector tracks the sun from the horizontal state to a non-horizontal large angle gradually, the surface shape of the reflector is greatly changed due to the fact that the pressure and the direction of the reflector supporting assemblies of the elastic members are continuously changed and are limited by the lack of rigidity of the reflector, and accordingly the light spot quality of the horizontal angle sun tracking of the heliostat is greatly influenced.
Disclosure of Invention
The technical scheme of the invention is an improvement aiming at the defect of the reflector support.
In order to overcome the defects in the prior art, the invention provides the reflecting mirror supporting assembly for the heliostat and the heliostat thereof.
The technical scheme of the invention is as follows:
a reflector supporting component for a heliostat comprises an upper bonding body, a lower bonding body, a sliding bearing, a connecting rod, an adjusting body, a buffer body and a positioning body; the bonding upper body is fixedly connected with a reflecting mirror of the heliostat, and the bonding lower body is fixedly connected with a mirror bracket of the heliostat; the bonding upper body is fixedly connected with a reflecting mirror of the heliostat, and the bonding lower body is fixedly connected with a mirror bracket of the heliostat; the bonding upper body and the bonding lower body are connected through the connecting rod; the sliding bearing is arranged in the bonding upper body and is matched with the bonding lower body, the sliding bearing inner ring is provided with a groove, and the bonding lower body can slide up and down along the inner wall of the sliding bearing; the buffer body is arranged between the inner ring step of the bonding upper body and the large-caliber end part of the connecting rod, and the connecting rod penetrates through the buffer body; the adjusting body is an elastic component, the lower bonding body penetrates through the adjusting body, and the adjusting body is arranged between the end surfaces of the upper bonding body and the lower bonding body; the positioning body is embedded in the bonding lower body and is in contact fit with the inner wall of the groove of the sliding bearing.
In the invention, the upper bonding body and the lower bonding body are axially connected through the connecting rod, and the sliding bearing is arranged in the upper bonding body and matched with the lower bonding body so as to ensure that the lower bonding body has no radial clearance relative to the upper bonding body and can freely slide along the inner wall of the sliding bearing.
In a preferred embodiment of the present invention, the buffer body is an annular elastic member, and the connecting rod penetrates through the buffer body, and when the rear surface of the reflector bears a large wind resistance, the connecting rod compresses the buffer body to reduce the wind resistance stress borne by the reflector.
In a preferred embodiment of the present invention, the adjusting body is an annular elastic member, the lower bonding body penetrates through the adjusting body, and the adjusting body is disposed between the upper bonding body and the end surface of the lower bonding body, when the front surface of the reflector bears a large wind resistance, the upper bonding body compresses the adjusting body to reduce the wind resistance stress borne by the reflector.
In a preferred embodiment of the present invention, the positioning body is disposed in the lower bonding body and cooperates with the inner wall of the inner groove of the sliding bearing to perform the positioning function, preferably, the positioning body may be a ball screw, and in a free state, a ball of the ball screw protrudes out of the outer surface of the lower bonding body; when the heliostat moves to follow the sun at working wind and elevation angles, the marble is clamped in the inner ring groove of the sliding bearing, so that the bonded upper body and the bonded lower body are kept relatively static, and the surface shape of the reflector is kept consistent with that of the reflector in a horizontal state; when the environmental wind resistance is larger than the working wind resistance, the marble is separated from the inner ring groove of the sliding bearing, so that the bonding upper body and the bonding lower body can slide relatively, and the buffer body or the adjusting body is compressed, thereby achieving the effect of reducing the stress borne by the reflector under the action of larger wind resistance.
The invention also discloses a heliostat, comprising:
a mirror;
a heliostat frame for supporting the mirror;
the reflecting mirror support assembly is fixedly arranged between the reflecting mirror and the heliostat frame; wherein the reflector support assembly is any one of the reflector support assemblies described above.
Compared with the prior art, the invention has the following beneficial effects:
the reflector supporting assembly provided by the invention can reduce the stress borne by the reflector under the action of larger wind resistance, so as to avoid the damage of the reflector due to the bearing of large stress, and ensure that the surface type and the initial horizontal state of the reflector of the heliostat are kept the same under various elevation angle sun-tracking working conditions, so as to improve the reflection efficiency of the reflector.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
FIG. 1 is a perspective view of a heliostat of the invention;
FIG. 2 is a schematic external view of a mirror support assembly in an embodiment of the invention;
FIG. 3 is a cross-sectional view of a mirror support assembly in an embodiment of the invention;
FIG. 4 is an exploded view of a mirror support assembly in an embodiment of the invention;
FIG. 5 is a detail view of a slide bearing in the mirror support assembly in an embodiment of the invention;
[ description of main symbols ]
The device comprises a 1-reflector, a 2-reflector support assembly and a 3-mirror bracket;
21-bonding the upper body, 22-bonding the lower body, 23-sliding bearing, 24-connecting rod; 25-adjustment of the whole body,
26-buffer body, 27-positioning body and 231-groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described and illustrated in the following drawings, and it is obvious that only a part of the embodiments of the present invention, not all of the embodiments, are described herein, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention described below belong to the protection scope of the present invention.
Example 1
A heliostat as shown in fig. 1 includes a reflector 1, a reflector support assembly 2 and a mirror bracket 3, where the reflector support assembly 2 is located between the reflector 1 and the mirror bracket 3, and is used to realize fixed connection between the reflector 1 and the mirror bracket 3, and the reflector support assembly 2 is provided in plurality. It should be noted that the frame 3 provided in this embodiment is only for the purpose of clearly illustrating the invention, the invention does not limit the specific structure of the frame 3, and the specific structure of the frame 3 shown in fig. 1 does not limit the invention.
The mirror support assembly 2 of the present invention is described in detail below:
as shown in fig. 2 to 4, a mirror support assembly 2 for a heliostat includes an adhesive upper body 21, an adhesive lower body 22, a sliding bearing 23, a connecting rod 24, an adjusting body 25, a buffer body 26, and a positioning body 27. Referring to fig. 1 and fig. 2 in combination, an end surface of the upper bonding body 21 is fixedly connected to the reflector 1 by gluing, but the upper bonding body 21 may also be fixedly connected to the reflector 1 by other suitable fixing methods, and the present invention is not limited in particular; an end surface of the lower adhesive body 22 is fixedly connected to the frame 2 by means of bolts, but the lower adhesive body 22 may be fixedly connected to the frame 3 by any one of riveting and welding, and the present invention is not limited thereto.
In this embodiment, by arranging the mirror support assemblies 2 between the mirror 1 and the mirror holder 3 and arranging the elastic mechanism (specifically, the adjustment body 25 and the buffer body 26 in this embodiment) on each mirror support assembly 2, the stress borne by the mirror under the action of a large wind resistance can be reduced, so as to prevent the mirror from being damaged due to the large stress; in addition, each reflector supporting assembly 2 is provided with a positioning body, so that the surface type of the reflector of the heliostat can be kept the same as that of the heliostat in an initial horizontal state under various elevation angle sun-tracking working conditions, and the reflection efficiency of the reflector is improved.
Referring to fig. 3 and 4, the bonding upper body 21 is an annular flange structure, and an inner ring thereof is provided with a step; the bonding lower body 22 is also of an annular flange structure, and the inner ring of the bonding lower body is provided with a thread structure; the connecting rod 24 is a step-like shaft structure, the small end of which is provided with a thread structure and is connected and fixed with the inner ring thread of the bonding lower body 22; the large end of the connecting rod 24 is disposed at one side (left side in fig. 3) of the inner step of the upper bonding body 21, the upper bonding body 21 and the lower bonding body 22 are axially connected by the connecting rod 24, and the small diameter end of the lower bonding body 22 is disposed in the inner ring of the upper bonding body 21 and at the other side (right side in fig. 3) of the inner step of the upper bonding body 21.
In this embodiment, the sliding bearing 23 is fixed to the inner ring of the upper bonding body 21 and cooperates with the lower bonding body 22 to ensure that the lower bonding body 22 slides freely relative to the upper bonding body 21 without radial clearance. Specifically, the inner ring of the sliding bearing 23 is provided with a groove 231 (shown in fig. 5), and the small-diameter end of the bonding lower body 22 is located in the groove 231.
In this embodiment, the buffer 26 is an annular elastic member, the connecting rod 24 penetrates through the buffer 26, the buffer 26 and the large end of the connecting rod 24 are located on the same side of the inner ring step of the upper adhesive body 21, when the environmental wind resistance borne by the back of the reflector 1 is greater than the working allowable wind resistance, the positioning function of the positioning mechanism (mainly comprising the positioning element 27, which is matched with the inner wall of the groove of the sliding bearing 23 to realize positioning) of the reflector supporting assembly 1 is released by the wind resistance, and the inner ring step of the upper adhesive body 21 and the large end of the connecting rod 24 are matched to compress the buffer 26 to reduce the wind resistance stress borne by the reflector, so as to prevent the reflector from being damaged due to the large stress borne.
In this embodiment, the adjusting body 25 is an annular elastic member, the small end of the lower bonding body 22 penetrates through the inner ring of the adjusting body 25, the adjusting body 25 is disposed between the two end faces of the upper bonding body 21 and the lower bonding body 22, when the front surface of the reflector 1 bears an environmental wind resistance greater than the working allowable wind resistance, the positioning mechanism (mainly the positioning member 27 and the inner wall of the groove of the sliding bearing 23 are matched to realize positioning) of the reflector support assembly 1 is released by the wind resistance, and the right end face (in the orientation shown in fig. 3) of the upper bonding body 21 and the left end face (in the orientation shown in fig. 3) of the lower bonding body 22 are matched with the compression adjusting body 25 to reduce the wind resistance stress borne by the reflector, so as to prevent the reflector from being damaged due to the large stress borne by the reflector.
The structure and principle of the positioning mechanism of the mirror supporting assembly of the present embodiment will be described in detail below, please refer to fig. 5, in which a groove 231 is formed in the inner ring of the sliding bearing 23.
Referring to fig. 3 and 4, the positioning body 27 may be a wave ball screw, the number of which may be two or other numbers, the ball of the wave ball screw has the ability of stretching under the driving of external force, the wave ball screw is fixedly disposed inside the bonding lower body 22, specifically, embedded in the receiving groove of the bonding lower body 22; in a free state, the marble of the Boeing marble screw protrudes out of the outer surface of the bonding lower body 22, and at the moment, the marble of the Boeing marble screw is matched with the groove 231 of the sliding bearing 23 to play a positioning role; when the heliostat is in a horizontal state or an elevation sun tracking state, and the environmental wind resistance borne by the front surface or the back surface of the reflector 1 is less than or equal to the working allowable wind resistance, the marble of the marble screw is clamped in the groove 231 of the sliding bearing 23 and cannot break away, so that the bonding upper body 21 and the bonding lower body 22 are kept relatively static, and the surface type of the reflector 1 of the heliostat under various elevation sun tracking working conditions is consistent with the surface type of the reflector 1 in the horizontal state under the working allowable wind resistance, so that the reflection efficiency of the reflector 1 is improved.
Referring to fig. 1, the present embodiment further provides a heliostat, which includes:
a reflector 1;
a heliostat frame 3 for supporting the reflecting mirror 1;
and the reflector support assembly 2 is fixedly arranged between the reflector 1 and the heliostat frame 3, and the reflector support assembly 2 is the reflector support assembly 2.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A reflector supporting component for a heliostat is characterized by comprising an upper bonding body, a lower bonding body, a sliding bearing, a connecting rod, an adjusting body, a buffer body and a positioning body; wherein,
the bonding upper body is fixedly connected with a reflecting mirror of the heliostat, and the bonding lower body is fixedly connected with a mirror bracket of the heliostat; the bonding upper body and the bonding lower body are connected through the connecting rod;
the sliding bearing is arranged in the bonding upper body and is matched with the bonding lower body, the inner ring of the sliding bearing is provided with a groove, and the bonding lower body can slide up and down along the inner wall of the sliding bearing;
the buffer body is arranged between the inner ring step of the bonding upper body and the large-caliber end part of the connecting rod, and the connecting rod penetrates through the buffer body;
the adjusting body is an elastic component, the lower bonding body penetrates through the adjusting body, and the adjusting body is arranged between the end surfaces of the upper bonding body and the lower bonding body;
the positioning body is embedded in the bonding lower body and is in contact fit with the inner wall of the groove of the sliding bearing.
2. A mirror support assembly for a heliostat of claim 1 wherein the cushion body is an annular resilient member.
3. A mirror support assembly for a heliostat of claim 1 wherein the tuning body is an annular resilient member.
4. The mirror support assembly according to claim 1, wherein the positioning body is a Boeing ball screw, a ball of which protrudes from an outer surface of the bonded lower body in a positioned state; when the heliostat moves to follow the sun at working wind and elevation angles, the marble is clamped in the groove of the sliding bearing, so that the bonding upper body and the bonding lower body are kept relatively static; when the environmental wind resistance is larger than the working wind resistance, the marble is separated from the groove of the sliding bearing, so that the bonding upper body and the bonding lower body can slide relatively, and the buffer body or the adjusting body is compressed.
5. A heliostat, comprising:
a mirror;
a heliostat frame for supporting the mirror;
the reflecting mirror supporting assembly is fixedly arranged between the reflecting mirror and the heliostat frame and is used for connecting the reflecting mirror and the heliostat frame;
characterized in that the mirror support assembly is a mirror support assembly according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114317.0A CN109812994B (en) | 2019-02-14 | 2019-02-14 | A speculum supporting component and heliostat for heliostat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910114317.0A CN109812994B (en) | 2019-02-14 | 2019-02-14 | A speculum supporting component and heliostat for heliostat |
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| Publication Number | Publication Date |
|---|---|
| CN109812994A CN109812994A (en) | 2019-05-28 |
| CN109812994B true CN109812994B (en) | 2020-01-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910114317.0A Active CN109812994B (en) | 2019-02-14 | 2019-02-14 | A speculum supporting component and heliostat for heliostat |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112393440A (en) * | 2019-08-16 | 2021-02-23 | 江苏鑫晨光热技术有限公司 | Secondary reflector secondary structure device for tower type photo-thermal power generation |
| CN115943279A (en) * | 2020-01-13 | 2023-04-07 | 浙江可胜技术股份有限公司 | Heliostat mirror bracket, heliostat and heliostat field |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009051199A1 (en) * | 2007-10-18 | 2009-04-23 | Nikon Corporation | Optical member cooling apparatus, lens barrel, exposure apparatus and device manufacturing method |
| KR20100104414A (en) * | 2009-03-17 | 2010-09-29 | (주)세기센추리태양광 | Fixing structure for solar modules |
| EP2390598B1 (en) * | 2010-05-31 | 2015-04-22 | Rioglass Solar, S.A. | System and method for the articulated attachment of solar reflector elements to supporting structures |
| DE102011003026A1 (en) * | 2011-01-24 | 2012-07-26 | Fischer Profil Gmbh | Device for the arrangement of attachments attached to or on a substructure roof, wall and facade elements |
| DE102012103879A1 (en) * | 2012-05-03 | 2013-11-07 | Markus Rombach | Substructure for the roof-parallel connection of a photovoltaic module with a trapezoidal sheet metal roof |
| CN204479831U (en) * | 2015-02-10 | 2015-07-15 | 浙江中控太阳能技术有限公司 | A kind of mirror assembly of the heliostat for central tower-type electricity generation station |
| DE102015219527A1 (en) * | 2015-10-08 | 2017-04-13 | Sbp Sonne Gmbh | Holder for arranging a mirror surface on a heliostat and a method for producing a heliostat |
| CN205787318U (en) * | 2016-05-31 | 2016-12-07 | 上海微电子装备有限公司 | Reflecting mirror fixing device |
| CN106322784B (en) * | 2016-09-30 | 2019-08-13 | 浙江中控太阳能技术有限公司 | A kind of reflecting surface support component and its heliostat for heliostat |
| CN206233419U (en) * | 2016-10-20 | 2017-06-09 | 湖南云视界智能门窗股份有限公司 | A kind of wind-proof glass architecture curtain wall |
| CN106505939B (en) * | 2016-11-04 | 2018-06-15 | 福建安泰新能源科技有限公司 | A kind of runing rest of solar energy photovoltaic panel |
| CN206347767U (en) * | 2016-12-29 | 2017-07-21 | 沂水中盛太阳能科技有限公司 | Groove type solar photo-thermal support |
| CN107588151A (en) * | 2017-09-07 | 2018-01-16 | 长沙小新新能源科技有限公司 | Wind power generation plant |
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Address after: 310018 1-2603, No. 501, No. 2 street, Baiyang street, Hangzhou Economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Kesheng Technology Co., Ltd Address before: 310053 floor 8 and 9, building 1, No. 307, Liuhe Road, Binjiang District, Hangzhou, Zhejiang Patentee before: Zhejiang zhongkong Solar Energy Technology Co., Ltd |