CN2641540Y - Solar tracking device based on spherical mechanism - Google Patents
Solar tracking device based on spherical mechanism Download PDFInfo
- Publication number
- CN2641540Y CN2641540Y CNU032584237U CN03258423U CN2641540Y CN 2641540 Y CN2641540 Y CN 2641540Y CN U032584237 U CNU032584237 U CN U032584237U CN 03258423 U CN03258423 U CN 03258423U CN 2641540 Y CN2641540 Y CN 2641540Y
- Authority
- CN
- China
- Prior art keywords
- rod member
- motor
- hinged
- sun
- moving platform
- Prior art date
- 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.)
- Expired - Fee Related
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Classifications
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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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- Control Of Position Or Direction (AREA)
Abstract
The utility model discloses a sun track device which is based on sphere structure, comprises a pedestal that is fixed by the motor bracket that is provided with three stepper motors whose output shafts are provided with arch shaped poles that are hinged together. The other ends of the pole is hinged on the movable platform. The central axis of the connecting places of the motor and the pole, the poles and the pole and the movable platform are converged to the sphere center of the sphere mechanism formed by theses part. The movable platform is provided with a solar receiver and a light sensitive transducer. The utility model has relatively high rigidity and relatively larger track range and can adopt both positive track and passive track to finish the track of sun movement. The utility model can be widely adopted in solar field.
Description
Technical field
The utility model is a kind of sun tracker, particularly a kind of sun tracker based on three-degree-of-freedom spherical mechanism.
Background technology
The solar utilizing equipment ubiquity the not high problem of efficient of accepting, and theoretical research shows that adopting tracking is that solar energy acceptor is vertical with sunshine all the time, than not adopting the receptance of following the tracks of energy to improve 37.7%.The patented technology of many relevant sun trackers has been arranged now, consulted interrelated data, be summarized as follows.
A kind of " sun tracing method and device " disclosed in the ZL01124176 patent document, its used method is: with diurnal motion time period of the earth with look the time period anniversary and respectively be divided into some adjustment time interval, each earth arbitrfary point of adjusting in the time interval is adjusted on gear and the elevation angle adjustment gear in the angle of rotation that is distributed in that the angle between the sun changes each mapping, thereby the not equal angles in the generation relative fixed time interval at interval.The major defect that this device exists is, adopts passive tracking, and rigidity is little, and cumulative errors are bigger." a kind of sun tracker " disclosed in the ZL99222131 patent document, this device main feature is that the upper fixed at bearing has a pendulum turbine support plate and connecting plate, between have the pendulum hinge, guide screw hinge and elevating screw, elevating screw is passed down through the center of lifting turbine, and matches with the screw at lifting turbine center; Rocking carrier and wobble-plate are arranged above the connecting plate, being fixed on of wobble-plate waved on the axle, wave axle and then be fixed on the center of waving turbine, the end face of wobble-plate has installing plate, wobble-plate and to wave plane and connecting plate mutual vertical around waving between the crosslinked swinging plane.The major defect that this device exists is that following range is little.A kind of " from the solar energy equipment of the motion tracking sun " disclosed in the ZL99241141 patent document, this device comprises that mainly latitude is provided with pedestal, automatic tracking platform and mechanical watch, the inclination angle, north and south that its middle latitude is provided with pedestal equates with the geographic latitude of locality, main shaft under the drive of mechanical watch and control, drive automatic tracking platform and solar collecting device do between east and west to and with the uniform motion of sun synchronization.The major defect of this device is, rigidity is low, and clock control can only be controlled and follow the tracks of the every purpose motion of the sun, needs regularly to adjust angle that latitude is provided with pedestal and follows the tracks of the sun and travel to and fro between motion between the tropic of north and south every year.
Summary of the invention
The purpose of this utility model is to overcome weak point of the prior art and a kind of following range of proposing is big, the sun tracker based on spherical mechanism that rigidity is high.
Technical solution of the present utility model is as follows:
Structure based on the solar energy tracking device of spherical mechanism is: be fixed with electric machine support 2 on the pedestal 1, be fixed with three stepper motors 3, motor 8, motor 13 on electric machine support 2.The output shaft fixed connection of motor 3 is at an end of arc rod member 4, and an end of the other end of rod member 4 and arc rod member 6 is hinged, and the other end of rod member 6 and moving platform 18 are hinged; The output shaft fixed connection of motor 8 is at an end of arc rod member 9, and an end of the other end of rod member 9 and arc rod member 11 is hinged, and the other end of rod member 11 and moving platform 18 are hinged; The output shaft fixed connection of motor 13 is at an end of arc rod member 14, and an end of the other end of rod member 14 and arc rod member 16 is hinged, and the other end of rod member 16 and moving platform 18 are hinged.Motor and rod member, the central axis of rod member and rod member and rod member and moving platform connection place all intersects at a bit, promptly by the centre of sphere of the spherical mechanism that they constituted.Installing solar energy acceptor and light sensor 19 on moving platform 18, light sensor 19 is connected with the Stepping Motor Control system respectively by lead with three stepper motors 3,8,13.
The utility model compared with prior art has following advantage:
1, this device has higher rigidity.Because sun tracker is to work under the abominable in the open air natural conditions, thereby and consider that the heating surface area that increases solar energy acceptor causes the weight of solar energy acceptor to increase, so this device should have higher rigidity.Mechanism adopts three-degree-of-freedom spherical mechanism, compact conformation, and three movement branched chain are coordinated the upper mounting plate motion of control tracking means, and the redundant free degree can improve the rigidity of mechanism.
2, device has bigger following range.Since the sun every day in summer from sun to sun above 12 hours, therefore every day should be above 180 ° to the sun from the tracking angle of east orientation west motion, this device in the running, the motion of its upper mounting plate is to do spheric motion round the centre of sphere of spherical mechanism, considering under the interference prerequisite of motor bearing to whole device running, still can satisfy the following range requirement, and can realize the move tracking of these two kinds of motions of sun right ascension motion and declination.
3, this device can adopt Passive Track and two kinds of control modes of active tracking respectively, finishes the tracking to solar motion.Can be widely used in field of solar energy.
Description of drawings
Fig. 1 is based on the front view of the sun tracker of spherical mechanism;
Fig. 2 is based on the vertical view of the sun tracker of spherical mechanism.
The specific embodiment
Based on the structure of the sun tracker of spherical mechanism as shown in Figure 1 and Figure 2, base 1 usefulness foundation bolt is fixed on the mounting platform, is installing electric machine support 2 with bolt on the base 1, is fixed with three stepper motors 3, motor 8 and motor 13 on the electric machine support 2.Be connected in an end of arc rod member 4 on the output shaft of motor 3, an end of the other end of arc rod member 4 and arc rod member 6 is hinged by axle 5, and the other end of arc rod member 6 and moving platform 18 are hinged by axle 7; Be connected on the output shaft of motor 8 end of arc rod member 9, an end of the other end of arc rod member 9 and arc rod member 11 is hinged by axle 10, and the other end of arc rod member 11 and moving platform 18 are hinged by spools 12; Be connected on the output shaft of motor 13 end of arc rod member 14, an end of the other end of arc rod member 14 and arc rod member 16 is hinged by axle 15, and the other end of arc rod member 16 and moving platform 18 are hinged by spools 17.Axle 5, axle 7, axle 10, axle 12, axle 15, axle 17 all intersect at a bit with the output shaft of motor 3, motor 8, motor 13, i.e. the centre of sphere of the spherical mechanism that is made of them.Installing solar energy acceptor on moving platform 18, adorning light sensor 19 under the flat board of solar energy acceptor, light sensor 19 is connected with the Stepping Motor Control system respectively by lead with three stepper motors 3,8,13.
During actual the use, when the sun connects the receiver motion, the light intensity that light sensor under the flat board that is installed in solar energy acceptor is accepted changes, the light intensity signal that changes is sent to control system, the control step motor movement, make solar energy acceptor aim at the sun again, realize real-time tracking the sun.This device rotates by Stepping Motor Control system three motors of control respectively, and the cooperation tracking mode can realize the tracking to the sun.The Passive Track of the sun and active tracking all are suitable for the utility model, and that considers the freedom degree parallel connection spherical mechanism instead separates easily than the normal solution of mechanism, therefore more is applicable to active tracking for this mechanism.
Claims (1)
1, a kind of sun tracker that constitutes by base, support and moving platform, it is characterized in that: on base (1), be fixed with electric machine support (2), be fixed with three stepper motors (3), motor (8), motor (13) on the electric machine support (2), the output shaft fixed connection of motor (3) is at an end of arc rod member (4), one end of the other end of rod member (4) and arc rod member (6) is hinged, and the other end of rod member (6) and moving platform (18) are hinged; The output shaft fixed connection of motor (8) is at an end of arc rod member (9), and an end of the other end of rod member (9) and arc rod member (11) is hinged, and the other end of rod member (11) and moving platform (18) are hinged; The output shaft fixed connection of motor (13) is at an end of arc rod member (14), and an end of the other end of rod member (14) and arc rod member (16) is hinged, and the other end of rod member (16) and moving platform (18) are hinged; Motor and rod member, the central axis of rod member and rod member and rod member and moving platform connection place all intersects at the centre of sphere of the spherical mechanism that is made of them, on moving platform (18), installing solar energy acceptor, light sensor (19) is installed under the flat board of solar energy acceptor, and light sensor (19) is connected with the Stepping Motor Control system respectively by lead with three stepper motors (3), (8), (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032584237U CN2641540Y (en) | 2003-09-10 | 2003-09-10 | Solar tracking device based on spherical mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032584237U CN2641540Y (en) | 2003-09-10 | 2003-09-10 | Solar tracking device based on spherical mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2641540Y true CN2641540Y (en) | 2004-09-15 |
Family
ID=34295808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032584237U Expired - Fee Related CN2641540Y (en) | 2003-09-10 | 2003-09-10 | Solar tracking device based on spherical mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2641540Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458626C (en) * | 2007-01-12 | 2009-02-04 | 刘津平 | Sun tracker, and cluster |
-
2003
- 2003-09-10 CN CNU032584237U patent/CN2641540Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100458626C (en) * | 2007-01-12 | 2009-02-04 | 刘津平 | Sun tracker, and cluster |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |