CN203240781U - Wind-resistant solar disc-type device - Google Patents
Wind-resistant solar disc-type device Download PDFInfo
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- CN203240781U CN203240781U CN2013202342470U CN201320234247U CN203240781U CN 203240781 U CN203240781 U CN 203240781U CN 2013202342470 U CN2013202342470 U CN 2013202342470U CN 201320234247 U CN201320234247 U CN 201320234247U CN 203240781 U CN203240781 U CN 203240781U
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- annular orbit
- annular
- orbit
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- parabolic mirror
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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
Abstract
The utility model provides a wind-resistant solar disc-type device, and relates to the field of solar disc-type light-focusing devices. The wind-resistant solar disc-type device comprises a bottom base, a parabolic mirror, a stepping mechanism and an annular track mechanism. The annular track mechanism comprises an upper annular track, a lower annular track and two side annular tracks, wherein the two side annular tracks are fixed on annular structures which are tightly attached to the upper annular track and the lower annular track, the annular structures and the upper annular track and the lower annular track relatively move through roll balls, the lower end of a supporting frame of the parabolic mirror is connected with the two side annular tracks in a seamless mode through four sliding blocks, and meanwhile a mirror surface slides along the annular tracks through a slider-crank mechanism or a tack hole mechanism. The wind-resistant solar disc-type device is mainly designed for a disc-type photo-thermal power generation system, high running accuracy of the mirror surface can be obtained, and therefore the accuracy of sunlight converging is guaranteed. Furthermore, the running ability and the viability of a large-diameter parabolic mirror under the condition of high winds are improved through a reinforcement design, the anti-bending ability and the anti-torsion ability at a joint are strengthened by the connection of large-diameter sections, and the stability of a machine frame structure is improved. The wind-resistant solar disc-type device is mainly applicable to photo-thermal solar power generation, the field of high-temperature steam generation and the like.
Description
Technical field
The utility model belongs to solar energy dish formula beam condensing unit, specifically a kind of windproof solar energy dish formula device.
Background technology
In the fast development of solar energy optical-thermal field, converge sunshine and be converted into fused salt or high-temperature steam heat energy at present, promoting steam engine generating or the generating of high-temperature gas propelling gas turbine engine is the following important directions of utilizing of solar energy.
The solar light-heat power-generation system mainly contains tower, three kinds of solar energy systems of slot type and dish formula.Tower and slot type photo-thermal solar energy system is owing to existing the cosine losses of sunshine, so that its photo-thermal conversion efficiency, and the lifting of generating efficiency is restricted, and tower type solar also is in the field experiment stage at present, and slot type is the business-like solar energy equipment of the first success; Dish formula photo-thermal solar energy system will shine near the heating of solar light focusing focus in the disc, heat carrier can reach 600 ℃ or higher temperature, the simultaneously adjusting by the dish face can make the dish face all the time over against the sun, thereby eliminates cosine losses, improves the utilization rate of solar energy.Common dish formula system makes mirror surface realize real-time tracking to the gentle vertical adjusting of solar water by two-dimentional step motion, this tracking mode requires focus also to move with the movement of dish face, and the while has also proposed high requirement to the aperiodicity real-time tracking of tracking system.The present two-dimensional tracking mode that adopts of dish formula system, the movement of focus be so that the optically focused receiver is thereupon mobile, thereby require to exist between the heat transfer pipe active link.And this link has limited heat transfer medium use at high temperature.Thereby this kind optically focused mode mainly is for Stirling engine generating system.Simultaneously, the efficient of utilizing in order to improve solar energy needs to make large diameter mirror surface.And large diameter minute surface requires ability to work and survival ability under certain wind carrier strip spare.Applied for that such patent, application number were 201010560386.3 on November 24th, 2010, this design focus on bottom base and semi-circular track, with the application design completely different, in kinematic accuracy and configuration aspects the design further.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of mode of utilizing the polar mounts fixed-focus, realize heating and the accumulating of thermophore, and make speculum carry out the windproof solar energy dish formula device of real-time tracking to the sun by the clock step control of polar mounts rotation.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of windproof solar energy dish formula device, comprise bottom base, parabolic mirror, stepping mechanism and annular orbit mechanism, it is characterized in that: described annular orbit mechanism comprises up and down annular orbit, annular orbit is separately fixed at the two ends of bottom base up and down, described annular orbit mechanism also comprises the both sides annular orbit, the both sides annular orbit is by on the circulus that four points are fixed on annular orbit is identical up and down, this circulus fits tightly with annular orbit up and down, realize relative motion by ball, described parabolic mirror as support frame, is fixed together described support frame lower end by mode and three annulus of welding or rivet with three annulus, realize seamless link by 4 slide blocks and both sides annular orbit, realize that by slider-crank mechanism or nail holes mechanism minute surface slides along annular orbit simultaneously;
Described parabolic mirror is selected paraboloidal bottom surface portions, the paraboloid of revolution opening diameter that intercepts is D, paraboloidal focal length is f, and make f/D=0.45～0.6, under the design of this kind minute surface, can the most effectively accept solar energy, the paraboloid of revolution is spliced by 6～12 minute surfaces, each piece minute surface passes through sanding and polishing, and forms with the mould compacting.
The edge increase of described parabolic reflector minute surface has the edge ear, strengthens the non-deformability of minute surface, also improves the stability of its minute surface under multidirectional wind carrier strip spare simultaneously, prevents local deformation of unevenness on largely.
The center of the circular orbit group of described annular orbit mechanism overlaps with the parabolic reflector mirror foci, and the line of centres of annular orbit group is the pole axis line about making, this device is stably fixed on the ground by bottom base, pedestal should guarantee to bear certain pressure loading by design, also will bear simultaneously because minute surface carries lower bending load and other dynamic loads that conduct at wind.
The focus of described parabolic mirror and speculum are with the circuit orbit center superposition of motion in season, guarantee that by contrary earth rotation movement speculum rotates over against the sun every day, and be that clock control is followed the tracks of with this conversion of motion, every day while, the vertical height angle of the sun had 0.3 ° cycle to change, guarantee the vertical incidence of Various Seasonal sunshine at the diverse location of circular orbit by the step-by-step adjustment speculum, speculum is rotated over against the sun all the time, thereby make sunshine come together in all the time the focus place.
The beneficial effect that the utility model reaches is: be mainly the design of dish formula solar-thermal generating system, can obtain higher minute surface running precision, thereby guaranteed the accuracy that sunshine converges, and by strengthening design, improved work service ability and the survival ability of major diameter parabolic mirror under the strong wind condition, link enhancement by the major diameter cross section junction bending resistance and antitorque ability, strengthened the stability of rack construction, the utility model mainly is applicable to photo-thermal solar electrical energy generation etc., and the field occurs high-temperature steam.
Description of drawings
Fig. 1 is the structural representation at the positive visual angle of the utility model;
Fig. 2 is the structural representation at visual angle, the utility model side.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Please refer to Fig. 1, Fig. 2,
A kind of windproof solar energy dish formula device, comprise bottom base 7, parabolic mirror 1, stepping mechanism and annular orbit mechanism, annular orbit mechanism comprises up and down annular orbit 3, annular orbit 3 is separately fixed at the two ends of bottom base 7 up and down, annular orbit mechanism also comprises both sides annular orbit 5, both sides annular orbit 5 is fixed on the circulus 4 identical with annular orbit up and down 3 by four points, this circulus 4 fits tightly with annular orbit 3 up and down, realize relative motion by ball, three annulus of parabolic mirror 1 usefulness are fixed together support frame 2 lower ends as support frame 2 by mode and three annulus of welding or rivet, realize seamless link by 4 slide blocks 6 and both sides annular orbit 5, realize that by slider-crank mechanism or nail holes mechanism minute surface slides along annular orbit simultaneously.
Parabolic mirror 1 is selected paraboloidal bottom surface portions, the paraboloid of revolution opening diameter that intercepts is D, paraboloidal focal length is f, and make f/D=0.45～0.6, the paraboloid of revolution is spliced by 6～12 minute surfaces, each piece minute surface passes through sanding and polishing, and forms with the mould compacting, and the edge of minute surface increases edge ear 10.
The center of circle of both sides circular orbit 5 overlaps with parabolic mirror 1 focus, and the line of centres of circular orbit 3 is diameter of a circle about making, and be the pole axis line, this device is stably fixed on the ground by pedestal 7, pedestal should guarantee to bear certain pressure loading by design, also will bear simultaneously because minute surface carries lower bending load and other dynamic loads that conduct at wind;
The circular orbit center superposition that the focus of parabolic mirror 1 and speculum slided with season, guarantee that by contrary earth rotation movement speculum rotates over against the sun every day, and be that clock control is followed the tracks of with this conversion of motion, every day while, the vertical height angle of the sun had 0.3 ° cycle to change, guarantee the vertical incidence of Various Seasonal sunshine at the diverse location of circular orbit by the step-by-step adjustment speculum, speculum is rotated over against the sun all the time, thereby make sunshine come together in all the time the focus place.
Above demonstration and described basic principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. windproof solar energy dish formula device, comprise bottom base, parabolic mirror, stepping mechanism and annular orbit mechanism, it is characterized in that: described annular orbit mechanism comprises up and down annular orbit, annular orbit is separately fixed at the two ends of bottom base up and down, described annular orbit mechanism also comprises the both sides annular orbit, the both sides annular orbit is by on the circulus that four points are fixed on annular orbit is identical up and down, this circulus fits tightly with annular orbit up and down, realize relative motion by ball, described parabolic mirror as support frame, is fixed together described support frame lower end by mode and three annulus of welding or rivet with three annulus, realize seamless link by 4 slide blocks and both sides annular orbit, realize that by slider-crank mechanism or nail holes mechanism minute surface slides along annular orbit simultaneously;
Described parabolic mirror is selected paraboloidal bottom surface portions, and the paraboloid of revolution opening diameter that intercepts is D, and paraboloidal focal length is f, and make f/D=0.45～0.6, the paraboloid of revolution is spliced by 6～12 minute surfaces, and each piece minute surface passes through sanding and polishing, and forms with the mould compacting.
2. windproof solar energy dish formula device according to claim 1, it is characterized in that: the edge increase of described parabolic reflector minute surface has the edge ear.
3. windproof solar energy dish formula device according to claim 2 is characterized in that: the center of the circular orbit group of described annular orbit mechanism overlaps with the parabolic reflector mirror foci, and makes up and down that the line of centres of annular orbit group is the pole axis line.
4. each described windproof solar energy dish formula device according to claim 1-3 is characterized in that: the focus of described parabolic mirror and speculum are with the circuit orbit center superposition of motion in season.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202342470U CN203240781U (en) | 2013-05-02 | 2013-05-02 | Wind-resistant solar disc-type device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202342470U CN203240781U (en) | 2013-05-02 | 2013-05-02 | Wind-resistant solar disc-type device |
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| Publication Number | Publication Date |
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| CN203240781U true CN203240781U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202342470U Expired - Fee Related CN203240781U (en) | 2013-05-02 | 2013-05-02 | Wind-resistant solar disc-type device |
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| CN (1) | CN203240781U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567029A (en) * | 2013-10-21 | 2015-04-29 | 安徽建筑大学 | Two-shaft fixed-point tracking device of disc type solar thermal collector |
| CN106100529A (en) * | 2016-07-22 | 2016-11-09 | 安徽恒瑞新能源股份有限公司 | A kind of photovoltaic bracket |
| CN106100540A (en) * | 2016-07-22 | 2016-11-09 | 安徽恒瑞新能源股份有限公司 | A kind of photovoltaic bracket system |
| CN111412669A (en) * | 2020-02-24 | 2020-07-14 | 华北电力大学 | Fixed focus type secondary reflection dish solar heat collector |
-
2013
- 2013-05-02 CN CN2013202342470U patent/CN203240781U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104567029A (en) * | 2013-10-21 | 2015-04-29 | 安徽建筑大学 | Two-shaft fixed-point tracking device of disc type solar thermal collector |
| CN106100529A (en) * | 2016-07-22 | 2016-11-09 | 安徽恒瑞新能源股份有限公司 | A kind of photovoltaic bracket |
| CN106100540A (en) * | 2016-07-22 | 2016-11-09 | 安徽恒瑞新能源股份有限公司 | A kind of photovoltaic bracket system |
| CN111412669A (en) * | 2020-02-24 | 2020-07-14 | 华北电力大学 | Fixed focus type secondary reflection dish solar heat collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131016 Termination date: 20150502 |
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| EXPY | Termination of patent right or utility model |