CN202885290U - Solar secondary reflective surface of composite paraboloid structure and support device thereof - Google Patents
Solar secondary reflective surface of composite paraboloid structure and support device thereof Download PDFInfo
- Publication number
- CN202885290U CN202885290U CN2012204027103U CN201220402710U CN202885290U CN 202885290 U CN202885290 U CN 202885290U CN 2012204027103 U CN2012204027103 U CN 2012204027103U CN 201220402710 U CN201220402710 U CN 201220402710U CN 202885290 U CN202885290 U CN 202885290U
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- Prior art keywords
- secondary reflection
- reflective surface
- secondary reflective
- fixed
- paraboloid structure
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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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- Optical Elements Other Than Lenses (AREA)
Abstract
Provided is a solar secondary reflective surface of a composite paraboloid structure and a support device of the solar secondary reflective surface of the composite paraboloid structure. The secondary reflective surface is in a composite paraboloid structure which is composed of involutes on the top and reflective surfaces at sides, and an unfolding angle of the involutes is lager than an unfolding angle of standard involutes by 1 degree to 2 degrees. The support device comprises a supporting composite parabolic panel which is fixed at the upper portion of the secondary reflective surface and matched with the shape of the secondary reflective surface, supporting side panels which are fixed on the two side face of the outer portion of the supporting composite parabolic panel, secondary reflective external surrounded boards which are fixed at the outer portion of each supporting side panel, full surrounding structure is formed, and a supporting upper board is fixed on the top of the supporting side panels and the secondary reflective external surrounded boards. The solar secondary reflective surface of the composite paraboloid structure and the support device of the solar secondary reflective surface of the composite paraboloid structure has the advantages of being capable of avoiding collision and contact of a heat collecting tube glass outer tube and the secondary reflective surface, avoiding loss of a reflective surface, ensuring functions of concentration and reflection of the secondary reflective surface and thereby improving light-heat conversion efficiency, meanwhile simple in manufacture and installation, capable of accurately molding and obvious in effect.
Description
Technical field
The utility model relates to technical field of solar utilization technique, is specifically related to a kind of solar energy secondary reflection face and bracing or strutting arrangement thereof of composite paraboloid structure.
Background technology
The energy resources reserves of China allow of no optimist, and per capita resources is not abundant.Many places lack the conventional energy resource resource, but solar energy resources is abundant.For improving solar energy thermal-power-generating efficient, need to improve performance and the thermal transition efficient of each assembly of solar energy thermal-power-generating, parts.The line focus secondary reflection device is greatly to improve Salar light-gathering ratio and light-thermal conversion efficiency.Composite parabolic shape and fixed structure in the secondary reflection face of using for solar energy thermal-power-generating, state, inside and outside research are less, need to carry out primary study and development.
At present for improving line-focusing solar heat generating temperature, the general glass-metal vacuum heat collection pipe that adopts, so, for example must adopt secondary reflection device as the hot generation technology of Fresnel solar energy, the reverberation of primary event device is carried out secondary focusing, could the maximized solar radiation energy that utilizes.Only have the metal inner pipe of thermal-collecting tube to be positioned at the focus place of secondary reflection minute surface, the maximized absorption solar radiation energy of ability, but the general outer glass pipe of glass-metal vacuum heat collection pipe is than large many of metal inner pipe radius, outer glass pipe will touch on the secondary reflection device of standard, and inconvenience is made and installed.Generally take to dwindle the way of glass-metal vacuum heat collection pipe radius, solve problems.
The utility model content
For solving above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of solar energy secondary reflection face and bracing or strutting arrangement thereof of composite paraboloid structure, the utility model secondary reflection face shape can be avoided the collector tube glass outer tube to bump with the secondary reflection face and contact, avoid the reflecting surface loss, guarantee the optically focused reflection function of secondary reflection face, thereby improved light-thermal conversion efficiency.
For achieving the above object, the technical scheme that the utility model adopts is:
A kind of solar energy secondary reflection face of composite paraboloid structure, described secondary reflection face 2-1 is composite paraboloid structure, described composite paraboloid structure is the parabolic combined of the involute at top and side, large 1 °～2 ° than the exhibition angle of standard involute at the exhibition angle of described involute.
Described secondary reflection face 2-1 adopts mirror face stainless steel or specular aluminium or the flexible moulding material of plated film injection moulding class.
A kind of bracing or strutting arrangement of solar energy secondary reflection face of composite paraboloid structure, comprise be fixed on secondary reflection face 2-1 top with the suitable support compound parabolic panel 1-2 of its shape, be fixed on the support-side panel 1-3 that supports outside two flank side surface of compound parabolic panel 1-2, be fixed on the outside plate 2-2 that surrounds of secondary reflection of support-side panel 1-3 outside, support compound parabolic panel 1-2, the outside plate 2-2 that surrounds of support-side panel 1-3 and secondary reflection forms full encirclement structure to secondary reflection face 2-1, supports upper board 1-1 and is fixed on support-side panel 1-3 and the outside top that surrounds plate 2-2 of secondary reflection.
The outside plate 2-2 that surrounds of described support compound parabolic panel 1-2 and secondary reflection adopts screw 3 to be fixed on the inside and outside of support-side panel 1-3.
The utility model secondary reflection face 2-1 is the involute at top and the parabolic combined composite paraboloid structure of side, and large 1 °～2 ° than the exhibition angle of standard involute at the exhibition angle of involute, the optically focused focus is raised, such design has increased the void size between secondary reflection face 2-1 top involute part and collector tube glass outer tube, the collector tube glass outer tube is bumped with secondary reflection face 2-1 and contact, avoid the reflecting surface loss.Guarantee the optically focused reflection function of secondary reflection face, thereby improved light-thermal conversion efficiency.Simultaneously this device make, install simple, but and accurate forming, effect is remarkable.
Description of drawings
Accompanying drawing is the structural representation of the utility model secondary reflection face and bracing or strutting arrangement thereof.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in drawings, the solar energy secondary reflection face of a kind of composite paraboloid structure of the utility model, described secondary reflection face 2-1 is composite paraboloid structure, described composite paraboloid structure is the parabolic combined of the involute at top and side, large 1 °～2 ° than the exhibition angle of standard involute at the exhibition angle of described involute.
Described secondary reflection face 2-1 adopts mirror face stainless steel or specular aluminium or the flexible moulding material of plated film injection moulding class.
As shown in drawings, the bracing or strutting arrangement of the solar energy secondary reflection face of a kind of composite paraboloid structure of the utility model, comprise be fixed on secondary reflection face 2-1 top with the suitable support compound parabolic panel 1-2 of its shape, be fixed on the support-side panel 1-3 that supports outside two flank side surface of compound parabolic panel 1-2, be fixed on the outside plate 2-2 that surrounds of secondary reflection of support-side panel 1-3 outside, support compound parabolic panel 1-2, the outside plate 2-2 that surrounds of support-side panel 1-3 and secondary reflection forms full encirclement structure to secondary reflection face 2-1, supports upper board 1-1 and is fixed on support-side panel 1-3 and the outside top that surrounds plate 2-2 of secondary reflection.
The outside plate 2-2 that surrounds of described support compound parabolic panel 1-2 and secondary reflection adopts welding or other connected modes to be fixed on the inside and outside of support-side panel 1-3 by screw 3, and present embodiment adopts screw 3 fixing.
Claims (4)
1. the solar energy secondary reflection face of a composite paraboloid structure, it is characterized in that: described secondary reflection face (2-1) is composite paraboloid structure, described composite paraboloid structure is the parabolic combined of the involute at top and side, large 1 °～2 ° than the exhibition angle of standard involute at the exhibition angle of described involute.
2. the solar energy secondary reflection face of composite paraboloid structure according to claim 1 is characterized in that: described secondary reflection face (2-1) employing mirror face stainless steel or specular aluminium or the flexible moulding material of plated film injection moulding class.
3. the bracing or strutting arrangement of the solar energy secondary reflection face of the described composite paraboloid structure of claim 1, it is characterized in that: comprise be fixed on secondary reflection face (2-1) top with the suitable support compound parabolic panel (1-2) of its shape, be fixed on the support-side panel (1-3) that supports outside two flank side surface of compound parabolic panel (1-2), be fixed on the outside plate (2-2) that surrounds of the outside secondary reflection of support-side panel (1-3), support compound parabolic panel (1-2), support-side panel (1-3) forms the full structure of surrounding with the outside plate (2-2) that surrounds of secondary reflection to secondary reflection face (2-1), supports upper board (1-1) and is fixed on support-side panel (1-3) and the outside top that surrounds plate (2-2) of secondary reflection.
4. bracing or strutting arrangement according to claim 3 is characterized in that: the outside plate (2-2) that surrounds of described support compound parabolic panel (1-2) and secondary reflection adopts screw (3) to be fixed on the inside and outside of support-side panel (1-3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204027103U CN202885290U (en) | 2012-08-14 | 2012-08-14 | Solar secondary reflective surface of composite paraboloid structure and support device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204027103U CN202885290U (en) | 2012-08-14 | 2012-08-14 | Solar secondary reflective surface of composite paraboloid structure and support device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885290U true CN202885290U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2012204027103U Expired - Lifetime CN202885290U (en) | 2012-08-14 | 2012-08-14 | Solar secondary reflective surface of composite paraboloid structure and support device thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN202885290U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798231A (en) * | 2012-08-14 | 2012-11-28 | 中国华能集团清洁能源技术研究院有限公司 | Novel solar secondary reflecting surface and supporting device thereof |
| CN104964464A (en) * | 2015-07-14 | 2015-10-07 | 中国华能集团清洁能源技术研究院有限公司 | Heat absorber for line-focus heat power generation |
| CN106016779A (en) * | 2016-07-25 | 2016-10-12 | 中国华能集团清洁能源技术研究院有限公司 | Linear Fresnel heat absorber structure for secondary light condensation |
-
2012
- 2012-08-14 CN CN2012204027103U patent/CN202885290U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798231A (en) * | 2012-08-14 | 2012-11-28 | 中国华能集团清洁能源技术研究院有限公司 | Novel solar secondary reflecting surface and supporting device thereof |
| CN104964464A (en) * | 2015-07-14 | 2015-10-07 | 中国华能集团清洁能源技术研究院有限公司 | Heat absorber for line-focus heat power generation |
| CN106016779A (en) * | 2016-07-25 | 2016-10-12 | 中国华能集团清洁能源技术研究院有限公司 | Linear Fresnel heat absorber structure for secondary light condensation |
| CN106016779B (en) * | 2016-07-25 | 2018-03-06 | 中国华能集团清洁能源技术研究院有限公司 | A kind of linear Fresnel heat dump structure of secondary condensation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA HUANENG GROUP R + D CENTER Effective date: 20140516 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140516 Address after: 100098 Beijing city Haidian District No. 48 Zhichun Road Yingdu building A block 26 layer Patentee after: HUANENG CLEAN ENERGY Research Institute Patentee after: TECHNOLOGY INNOVATION CENTER OF CHINA HUANENG Group Address before: 100098 Beijing city Haidian District No. 48 Zhichun Road Yingdu building A block 26 layer Patentee before: HUANENG CLEAN ENERGY Research Institute |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |