CN103267376A - Slot-type dual-axial sun tracking heat collecting device - Google Patents
Slot-type dual-axial sun tracking heat collecting device Download PDFInfo
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- CN103267376A CN103267376A CN2013102237799A CN201310223779A CN103267376A CN 103267376 A CN103267376 A CN 103267376A CN 2013102237799 A CN2013102237799 A CN 2013102237799A CN 201310223779 A CN201310223779 A CN 201310223779A CN 103267376 A CN103267376 A CN 103267376A
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- reducing motor
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- pivoted frame
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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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Abstract
The invention discloses a slot-type dual-axial sun tracking heat collecting device. The slot-type dual-axial sun tracking heat collecting device is characterized in that two tracking power sources are respectively a slot rack gear motor and an inclined bending gear motor, and the slot rack gear motor and the inclined bending gear motor can respectively drive a slot-type mirror rotating rack and a north-and-south rotating rack to rotate; a heat collecting pipe is fixed on a left support and a right support, and a heat-conducting medium is placed in the heat collecting pipe; a sun direction tracker is arranged on the upper end of the north-and-south rotating rack, and a tracking control cabinet is arranged on a base; and the sun direction tracker, the inclined bending gear motor and the slot rack gear motor are connected with the tracking control cabinet through power lines. The slot-type dual-axial sun tracking heat collecting device provided by the invention has the advantages that a dual-shaft tracking design structure is adopted, the real-time tracking of light control and time control of the sun is formed through the movement superposition of the slot rack gear motor and the inclined bending gear motor, the sunward tracking accuracy of the device is improved, and a heat collecting effect of the device is improved.
Description
Technical field
The present invention relates to the solar energy heating auxiliary equipment, specifically is that a kind of slot type tracking means is to the day tracking heat collection device.
Background technology
At present, the slot type tracking means adopts the uniaxiality tracking project organization more, and its mode one is that whole east-west direction is placed, and carries out the tracking of solar azimuth direction, can't carry out the tracking of horizontal direction along with the variation of sun altitude, and its horizontal direction utilization rate is lower; Its mode two is that whole North and South direction is placed, and adopts the rolling mode, carries out the tracking of sun horizontal direction, and its azimuth direction utilization rate is lower equally.Patent CN201985124U double-axis tracking slot type support, adopt horizontal rotary mechanism to be provided with electric pushrod, this employing thing rotation, north and south push rod follower are when the thing rotation is followed the tracks of, will exert an influence to north and south sun pitch angle, cause the repeat track of North and South direction push rod; Two row are followed the tracks of and are interacted, and cause tracking control loaded down with trivial details, complicated, have increased the energy consumption of equipment simultaneously; Be unfavorable for time control and light-operated control simultaneously.
Summary of the invention
The present invention is for avoiding above-mentioned existing in prior technology weak point, provide a kind of slot type twin shaft to the day tracking heat collection device, and purpose is to adopt light-operated and time control tracking mode, improve device to the day tracking accuracy, increase the Heat-collecting effect of device.
Technical problem solved by the invention realizes by the following technical solutions:
Slot type twin shaft of the present invention to the design feature of day tracking heat collection device is: have two tracking power sources to be respectively the truss reducing motor and the reducing motor of bowing that inclines; Truss reducing motor and the inclining reducing motor of bowing drives the rotation of slot type mirror pivoted frame and north and south pivoted frame respectively; Thermal-collecting tube is fixedly installed on left socle and the right support, and the heat-conducting medium pipe places thermal-collecting tube; The solar azimuth tracker is installed in pivoted frame upper end, north and south; Following the tracks of switch board is arranged on the base; The solar azimuth tracker, incline bow reducing motor and truss reducing motor with follow the tracks of switch board and be connected by electric wire.
The described reducing motor of bowing of inclining is connected with the north and south pivoted frame by key, and north and south pivoted frame and the inclining reducing motor of bowing is installed on the bearing block, is provided with radial ball bearing, bearing gland and bearing end cover plate at described bearing block, and bearing block is fixed on the base by screw;
Described truss reducing motor is fixed on the left bearing plate of north and south pivoted frame one end by securing cover plate, is connected by flat key with left rotary shaft; Be respectively equipped with left rotary shaft, right spindle on the left bearing plate at pivoted frame two ends, north and south and the right bearing plate; Left rotary shaft is through left bearing, plane bearing location, and right spindle is located through right bearing; Fixedly connected with right spindle with left rotary shaft in slot type mirror pivoted frame two ends; The slot type reflective mirror is fixed on the slot type mirror pivoted frame by screw.
Compared with the prior art, beneficial effect of the present invention is embodied in:
1, the present invention adopts the double-axis tracking project organization, implements light-operated+time control and follows the tracks of, and tracking accuracy can reach 0.05 °, because the accurate tracking sun, the sun is all the time perpendicular to speculum, and the uniaxiality tracking illuminating area increases more than 20% relatively, has improved the solar thermal utilization rate of device greatly;
2, transmission of the present invention is reasonable, has reduced the tracking energy consumption to greatest extent, whole tracking means (same device 10m
2) power of motor 10w only, cutting down the consumption of energy reaches about 25%, can realize Automatic Control; It is simple in structure, and is cheap.
Description of drawings
Fig. 1 is structure shaft side figure of the present invention;
Fig. 2 is structural front view of the present invention;
Fig. 3 drives slot type mirror pivoted frame conveyer composition for truss reducing motor of the present invention;
Fig. 4 reducing motor of bowing for the present invention inclines drives north and south pivoted frame conveyer composition;
Number in the figure: 1 truss reducing motor; 2 thermal-collecting tubes; 3 follow the tracks of switch board; 4 solar azimuth trackers; 5 slot type reflective mirrors; 6 bases; 7 reducing motors of bowing that incline; 8 north and south rotating shaft framves; 9 slot type mirror pivoted frames; 10 left bearings; 11 plane bearings; 12 left rotary shaft; 13 securing cover plates; 14 left bearing plates; 15 left socles; 16 right supports; 17 right bearing plates; 18 right bearings; 19 right spindles; 20 keys; 21 radial ball bearings; 22 bearing glands; 23 bearing end cover plates; 24 bearing blocks; 25 heat-conducting medium pipes.
The specific embodiment
Referring to Fig. 1 and Fig. 2, in the present embodiment slot type twin shaft to day tracking heat collection device structure be set to: follow the tracks of power sources for two and be respectively truss reducing motor 1 and the reducing motor 7 of bowing that inclines; Truss reducing motor 1 and the inclining reducing motor 7 of bowing drives the rotation of slot type mirror pivoted frame 9 and north and south pivoted frame 8 respectively;
As shown in Figure 3, thermal-collecting tube 2 is fixed on left socle 15 and the right support 16, and heat-conducting medium pipe 25 places thermal-collecting tube 2; Solar azimuth tracker 4 is installed in north and south pivoted frame 8 upper ends; Following the tracks of switch board 3 is arranged on the base 6; Solar azimuth tracker 4, incline bow reducing motor 7 and truss reducing motor 1 with follow the tracks of switch board 3 and be connected by electric wire.
As shown in Figure 4, the bow reducing motor 7 of inclining is connected with north and south pivoted frame 8 by key 20, north and south pivoted frame 8 and the inclining reducing motor 7 of bowing is installed on the bearing block 24, and bearing block 24 is provided with radial ball bearing 21, bearing gland 22 and bearing end cover plate 23, and bearing block 24 is fixed on the base 6 by screw;
As shown in Figure 3, truss reducing motor 1 is fixed on by securing cover plate 13 on the left bearing plate 14 of north and south pivoted frame 8 one ends, is connected by flat key with left rotary shaft 12; Be respectively equipped with left rotary shaft 12, right spindle 19 on the left bearing plate 14 at north and south pivoted frame 8 two ends and the 17 right bearing plates; Left rotary shaft 12 is through left bearing 10, plane bearing 11 location, and right spindle 19 is through right bearing 18 location; Fixedly connected with right spindle 19 with left rotary shaft 12 in slot type mirror pivoted frame 9 two ends; Slot type reflective mirror 5 is fixed on the slot type mirror pivoted frame 9 by screw.
Existing solar light automatic tracking controller mainly contains two kinds: one is to use a light sensor and Schmidt trigger or monostable flipflop, constitutes light-operated Schmidt trigger or light-operated monostable flipflop and controls stopping, changeing of motor; Two are to use two light sensors and two comparators to constitute the rotating that two light-operated comparators are controlled motors respectively.Because throughout the year, sooner or later and noon surround lighting and the strong and weak excursion of sunlight all very big, so above-mentioned two kinds of controllers are difficult to make the big sun energy round-the-clock tracking sun of the receiving system four seasons, and solar energy time tracking controller is to realize controlling by the position at the sun and earth relative motion place now, be on the earth certain longitude and latitude by calculating the relative angle with the sun, the movement locus of the sun and the earth is producing faint variation, so this type of shortcoming of following the tracks of the control existence is followed the tracks of accurately low exactly, now based on time control, light-operated be calibrated to auxilliary, be that time control does not allow to rerun, heat collector navigates to Position Approximate by time control, then by light-operated accurate calibration.
Control procedure:
Real-time tracking by 4 pairs of sun of solar azimuth tracker, elevation angle variation and the horizontal direction of the sun are changed conduction to following the tracks of switch board 3, follow the tracks of switch board 3 and send to follow the tracks of and adjust signal, drive truss reducing motor 1 and the reducing motor 7 of bowing of inclining is done to the day pursuit movement.Truss reducing motor 1 drives left rotary shaft 12 and transmits power to slot type mirror pivoted frame 9, slot type mirror pivoted frame 9 drive the slot type mirrors do between east and west to tracking rotate; The bow reducing motor 7 of inclining drives north and south pivoted frames 8, and north and south pivoted frame 8 drives slot type mirror pivoted frames 9, slot type reflective mirror 5, thermal-collecting tube 2 and does North and South direction and follow the tracks of and rotate.Truss reducing motor 1 and the inclining reducing motor 7 of bowing drives the tracking of thing, north and south both direction respectively, make the motion mutually noninterfere of thing, north and south both direction, superpose by the motion of north and south pivoted frame to thing, north and south both direction, form comprehensive to the day high precision tracking.
East-west direction control: it is 0.01rpm that truss reducing motor 1 is set rotating speed, and then the angle that turns over of east-west direction per minute is 3.6 °, returns the east time: 50 minutes.
North and South direction control: reducing motor 7 rotating speeds of bowing of inclining are 0.02rpm, 0-90 ° at control inclination angle, north and south, resetting time: 25 minutes.
The structure shape tracking accuracy of present embodiment can reach 0.05 °, is that its solar thermal utilization rate of example is 90%-95% with the glass reflector.
Claims (1)
1. a slot type twin shaft is characterized in that having two tracking power sources to be respectively truss reducing motor (1) and the reducing motor (7) of bowing that inclines to the day tracking heat collection device; With described truss reducing motor (1) and the reducing motor (7) of bowing of inclining drive the rotation of slot type mirror pivoted frame (9) and north and south pivoted frame (8) respectively; Thermal-collecting tube (2) is fixedly installed on left socle (15) and the right support (16), and heat-conducting medium pipe (25) places thermal-collecting tube (2); Solar azimuth tracker (4) is installed in the upper end of north and south pivoted frame (8); Following the tracks of switch board (3) is arranged on the base (6); Solar azimuth tracker (4), incline bow reducing motor (7) and truss reducing motor (1) with follow the tracks of switch board (3) and be connected by electric wire;
The described reducing motor (7) of bowing of inclining is connected with north and south pivoted frame (8) by key (20), described north and south pivoted frame (8) and the inclining reducing motor (7) of bowing is installed on the bearing block (24), be provided with radial ball bearing (21), bearing gland (22) and bearing end cover plate (23) at described bearing block (24), bearing block (24) is fixed on the base (6) by screw;
Described truss reducing motor (1) is fixed on by securing cover plate (13) on the left bearing plate (14) of north and south pivoted frame (8) one ends, is connected by flat key with left rotary shaft (12); Be respectively equipped with on the left bearing plate (14) at north and south pivoted frame (8) two ends and the right bearing plate (17) on left rotary shaft (12) and the right spindle (19); Described left rotary shaft (12) is through left bearing (10) and plane bearing (11) location, and described right spindle (19) is located through right bearing (18); Fixedly connected on described slot type mirror pivoted frame (9) two ends and left rotary shaft (12) and the right spindle (19); Slot type reflective mirror (5) is fixed on the slot type mirror pivoted frame (9) by screw.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310223779.9A CN103267376B (en) | 2013-06-07 | 2013-06-07 | Slot-type dual-axial sun tracking heat collecting device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310223779.9A CN103267376B (en) | 2013-06-07 | 2013-06-07 | Slot-type dual-axial sun tracking heat collecting device |
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| CN103267376A true CN103267376A (en) | 2013-08-28 |
| CN103267376B CN103267376B (en) | 2015-01-21 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499151A (en) * | 2013-10-14 | 2014-01-08 | 合肥耀辉太阳能热力工程科技有限公司 | Idler wheel type sunlight tracking heat collecting device |
| CN103558866A (en) * | 2013-10-25 | 2014-02-05 | 广东瑞德兴阳光伏科技有限公司 | Method for adjusting rotating shaft of bracket of time-controlled double-shaft solar tracking controller |
| CN104913525A (en) * | 2015-06-17 | 2015-09-16 | 赵连新 | Two-dimensional automatic-sun-tracking trough type solar thermal collector |
| CN105387999A (en) * | 2015-11-24 | 2016-03-09 | 中国科学院工程热物理研究所 | Method for testing optical efficiency of slot type solar thermal collector |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1693818A (en) * | 2005-05-17 | 2005-11-09 | 王新庚 | Method and device for automatic tracking sun according to time controlled |
| KR101058375B1 (en) * | 2011-06-01 | 2011-08-22 | 주식회사 부시파워 | An assembly for supporting solar cell module |
| EP2565935A1 (en) * | 2011-06-01 | 2013-03-06 | Raon Tech Co., Ltd. | Solar cell module support assembly |
| CN203274304U (en) * | 2013-06-07 | 2013-11-06 | 合肥耀辉太阳能热力工程科技有限公司 | Groove type double-axis sunward tracking and heat collection device |
-
2013
- 2013-06-07 CN CN201310223779.9A patent/CN103267376B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693818A (en) * | 2005-05-17 | 2005-11-09 | 王新庚 | Method and device for automatic tracking sun according to time controlled |
| KR101058375B1 (en) * | 2011-06-01 | 2011-08-22 | 주식회사 부시파워 | An assembly for supporting solar cell module |
| EP2565935A1 (en) * | 2011-06-01 | 2013-03-06 | Raon Tech Co., Ltd. | Solar cell module support assembly |
| CN203274304U (en) * | 2013-06-07 | 2013-11-06 | 合肥耀辉太阳能热力工程科技有限公司 | Groove type double-axis sunward tracking and heat collection device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103499151A (en) * | 2013-10-14 | 2014-01-08 | 合肥耀辉太阳能热力工程科技有限公司 | Idler wheel type sunlight tracking heat collecting device |
| CN103499151B (en) * | 2013-10-14 | 2015-04-08 | 合肥耀辉太阳能热力工程科技有限公司 | Idler wheel type sunlight tracking heat collecting device |
| CN103558866A (en) * | 2013-10-25 | 2014-02-05 | 广东瑞德兴阳光伏科技有限公司 | Method for adjusting rotating shaft of bracket of time-controlled double-shaft solar tracking controller |
| CN103558866B (en) * | 2013-10-25 | 2015-10-28 | 瑞德兴阳新能源技术有限公司 | Time controlled type double-shaft solar tracking control unit rack shaft method of adjustment |
| CN104913525A (en) * | 2015-06-17 | 2015-09-16 | 赵连新 | Two-dimensional automatic-sun-tracking trough type solar thermal collector |
| CN105387999A (en) * | 2015-11-24 | 2016-03-09 | 中国科学院工程热物理研究所 | Method for testing optical efficiency of slot type solar thermal collector |
| CN105387999B (en) * | 2015-11-24 | 2018-05-11 | 中国科学院工程热物理研究所 | A kind of method for testing trough type solar heat-collector optical efficiency |
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| CN103267376B (en) | 2015-01-21 |
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