CN102929289A - Steel-cable-driving double-axis tracking system of solar cell panel - Google Patents
Steel-cable-driving double-axis tracking system of solar cell panel Download PDFInfo
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- CN102929289A CN102929289A CN2012103172585A CN201210317258A CN102929289A CN 102929289 A CN102929289 A CN 102929289A CN 2012103172585 A CN2012103172585 A CN 2012103172585A CN 201210317258 A CN201210317258 A CN 201210317258A CN 102929289 A CN102929289 A CN 102929289A
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- wirerope
- rotating mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S30/00—Arrangements for moving or orienting solar heat collector modules
- F24S2030/10—Special components
- F24S2030/13—Transmissions
- F24S2030/133—Transmissions in the form of flexible elements, e.g. belts, chains, ropes
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Abstract
The invention relates to the field of solar cell modules, and in particular relates to a steel-cable-driving double-axis tracking system of a solar cell panel. The steel-cable-driving double-axis tracking system is characterized in that an azimuth angle push-and-pull hinge point and a pitch angle push-and-pull hinge point are respectively and fixedly arranged on the back surface of a rear panel; the azimuth angle push-and-pull hinge point is connected with an azimuth angle rotating mechanism; the pitch angle push-and-pull hinge point is connected with a pitch angle rotating mechanism; the azimuth angle rotating mechanism is connected with the azimuth angle rotating mechanisms in the adjacent solar cell module in an array in sequence through steel cables, and a loop power drive device is connected with a drive through the steel cable; and the pitch angle rotating mechanism is connected with the pitch angle rotating mechanisms in the adjacent solar cell module in the array in sequence through the steel cables, and the loop power drive device is connected with the drive through the steel cable. The steel-cable-driving double-axis tracking system has the advantages of being simple in structure and reliable to operate.
Description
Technical field
The present invention relates to the solar module field, be specifically related to a kind of solar panel dual-axis tracking system that drives with wirerope.
Background technology
In order to improve the photovoltaic module generated energy, an effective solution is by mechanical connection, and the synergy of electric driving and electronic control circuit realizes the space angle adjustment of solar panel.Thereby realize the tracking to the incident sunshine.Especially the double-axis tracking scheme can realize the adjustment of sun power position angle and the angle of pitch simultaneously.Can utilize to greatest extent the energy of incident sunshine.
But the ultimate challenge of double-axis tracking scheme widespread use is the maintenance problem in Cost Obstacles that its complicated structure is brought and long-term the use.
In the double-axis tracking scheme, usually adopt post type, column or T-shaped absolute construction support solar cell panel.And be furnished with two and overlap discrete drive system.Except mounting system, also comprise: the mechanical components such as worm and gear, connecting rod, and the motor-driven of the electric and electronic decorum, control module etc.Usually, the electric and electronic device of tracker all becomes one with mechanical structured members such as mounting systems, and is in for a long time in the abominable working environment.In photovoltaic array, also need solve the problems such as the energy loss of great area link line and wire protection.
Summary of the invention
The objective of the invention is according to above-mentioned the deficiencies in the prior art part, a kind of solar panel dual-axis tracking system that drives with wirerope is provided, adopt simple hinge, screw rod, tappet and system of wirerope bindiny mechanism to replace traditional expensive turbine and worm gearing, adopt the discrete design arrangement scheme of motor driven systems and mechanical mechanism, and can realize concentrating the control of moving, reduced simultaneously the line of the electric and electronic system in the driving mechanism.
Realization of the present invention is finished by following technical scheme:
A kind of solar panel dual-axis tracking system that drives with wirerope, relate to the array that is consisted of by some solar modules, described solar module is comprised of solar panel, backboard and pillar, described backboard is fixed in described pillar top, described solar panel is fixed on the described backboard, it is characterized in that: the described backboard back side is fixedly installed respectively position angle push-and-pull pin joint and angle of pitch push-and-pull pin joint, described position angle push-and-pull pin joint is connected with the position angle rotating mechanism, and described angle of pitch push-and-pull pin joint is connected with angle of pitch rotating mechanism; Described position angle rotating mechanism in described position angle rotating mechanism and the described array in the adjacent described solar module is connected by wirerope successively, and is connected by wirerope by a loop Power Drive Unit and to drive; Described angle of pitch rotating mechanism in described angle of pitch rotating mechanism and the described array in the adjacent described solar module is connected by wirerope successively, and is connected by wirerope by a loop Power Drive Unit and to drive.
As initial point, described position angle push-and-pull pin joint is positioned on the X-axis line of described backboard with the supporting-point between described pillar and the described backboard.
As initial point, described angle of pitch push-and-pull pin joint is positioned on the Y-axis line of described backboard with the supporting-point between described pillar and the described backboard.
Described position angle rotating mechanism is the space slider-crank mechanism, by nut, leading screw, connecting rod, turn hub and form, described lead screw position and described pillar are connected and fixed, described nut cooperates with described threads of lead screw, described leading screw is fixedly connected with the described hub that turns, and can realize coaxial rotation, described connecting rod one end is connected with spherical pair with described nut, the other end of described connecting rod is connected with spherical pair with described position angle push-and-pull pin joint, and the described hub that turns connects driving by described loop Power Drive Unit by wirerope.
Described connecting rod is connection rod set, described connection rod set is by two connecting rods, cross-garnet butt forms, described two connecting rods are continuous to pushing up in the axial alignment mode, and but it relatively rotates around axis, the connecting rod other end is hinged described cross-garnet butt respectively, and free end and the described nut of the described cross-garnet butt of described connection rod set one end are hinged, and the free end of the described cross-garnet butt of the described connection rod set other end and described position angle push-and-pull pin joint are hinged.
Ball head structure is adopted respectively at described connecting rod two ends.
Described angle of pitch rotating mechanism is slider-crank mechanism, by nut, leading screw, turn hub and form, described nut is connected and fixed by a support and described pillar, threaded engagement between described nut and the described leading screw, described leading screw is connected and fixed the described hub that turns, can consist of coaxial rotation between the two, described leading screw is connected with described angle of pitch push-and-pull pin joint, and the described hub that turns connects driving by described loop Power Drive Unit by wirerope.
The described hub that turns in the rotating mechanism of described position angle is wound with wirerope outward, described wirerope pitch of the laps middle part by a wire line shoe with turn hub and fix.
The described hub that turns in the described angle of pitch rotating mechanism is wound with wirerope outward, described wirerope pitch of the laps middle part by a wire line shoe with turn hub and fix.
Advantage of the present invention is: can be so that solar panel carry out the diaxon tracking, and the sun power yield significantly improves; Apparatus structure is simple, reliable operation, and disposable input cost and the later period maintenance cost of system are low.
Description of drawings
Fig. 1 is structural drawing of the present invention;
Fig. 2 is angle of pitch rotating mechanism structural drawing among the present invention;
Fig. 3 is rotating mechanism structural drawing in position angle among the present invention;
Fig. 4 is position angle rotating mechanism structural drawing two among the present invention;
Fig. 5 is position angle rotating mechanism structural drawing three among the present invention.
Embodiment
Feature of the present invention and other correlated characteristic are described in further detail by embodiment below in conjunction with accompanying drawing, so that technician's of the same trade understanding:
Shown in Fig. 1-5, mark 1-60 is respectively among the figure: cell panel 1, inner hinge 2, battery board bracket 3, cross hinge frame 4, inner hinge 5, leading screw 6, bearing pin 7, outer hinge 8, hinge 9, upper dust cover 10, pedestal cap 11, wire rope 12, support 13, lower dust cover 14, column 15, guide rail 16, turn hub 17, leading screw 18, slide block 19, rolling bearing units 20, ball head connecting rod 21, outer hinge 22, bearing pin 23, spherical bearing 24, nut bearing 25, bearing 26, nut 27, turn hub 28, outer hinge 29, bearing pin 30, inner hinge 31, bearing pin 32, inner hinge 33, spherical bearing 34, internal thread 35, supporting plate 36, turn hub 37, groove 38, spherical bearing 39, axle 40, wire rope 41, wire line shoe 42, wire line shoe 43, bearing pin 44, double-end hinge 45, outer hinge 46, slide block 47, bearing pin 48, double-end hinge 49, bearing pin 50, outer hinge 51, connecting rod 52, chuck 53, connecting rod 54, bearing pin 55, hinge 56, position angle rotating mechanism 57, angle of pitch rotating mechanism 58, position angle push-and-pull pin joint 59, angle of pitch push-and-pull pin joint 60.
Embodiment one: as shown in Figure 1, the present embodiment adopts at cell panel 1 back side increases position angle push-and-pull pin joint 59, angle of pitch push-and-pull pin joint 60 and side of link parallactic angle rotating mechanism 57 and angle of pitch rotating mechanism 58 to realize position angle, the angle of pitch control to cell panel 1, wherein the push pull maneuver of position angle rotating mechanism 57 is driven by wire rope 41, realizes cell panel 1 azimuthal change; The push pull maneuver of angle of pitch rotating mechanism 58 is driven by wire rope 12, realizes the change to cell panel 1 angle of pitch.
The present embodiment take column 15 as the supporting center to support other parts.Be fixed with support 13 and supporting plate 37 on the column 15.Solar module is comprised of cell panel 1 and battery board bracket 3.Arrange cell panel 1 above the battery board bracket 3, the below installs two inner hinges 2.Inner hinge 2 forms hinged with outer hinge 8 and the bearing pin 9 on cross hinge frame 4 tops, battery board bracket 3 can rotate freely around the axis of hinged pair, namely allow 1 pair of solar azimuth of cell panel to follow the tracks of, wherein cross hinge frame 4 is fixed on the center line of battery board bracket 3, with the stable control that realizes cell panel 1 sun angle of pitch is changed.The following respectively processing sets up of cross hinge frame 4 has an outer hinge 5 and an inner hinge 9.Inner hinge 9 is hinged with outer hinge 22 and bearing pin 23 formation, and can freely rotate around the axis of bearing pin 23.Cross hinge frame 4 can drive the battery board bracket 3 and the cell panel 1 that are hinged on the outer hinge 8 and freely rotate around this hinged pair, namely allows 1 pair of sun altitude of cell panel to follow the tracks of.
As shown in Figure 2, the outer hinge 29 on the inner hinge on the support and the nut bearing 25 and bearing pin 30 form hinged, and can rotate in the bearing pin internal freedom.6 one of leading screws are fixed with inner hinge 31, and inner hinge 31 is hinged with outer hinge 5 and bearing pin 32 compositions, and can freely rotate around bearing pin 32.The threaded portion of leading screw 6 cooperates with nut 27.Nut 27 lower ends fixed installations turns hub 28, turns hub 28 outside lay winding wire ropes 12, wire rope 12 pitch of the laps middle part by wire line shoe 42 with to turn hub 28 fixing.Two bearings 26 of cover on the shoulder of nut outside surface, the outer ring of bearing 26 is fixed in the nut bearing 25, turns hub 28 and can drive nut 27 and freely rotate nut bearing 25 is interior.Along with the rotation of nut 27, the leading screw 6 that cooperates with it is along the nut axial-movement.The outer hinge 29 of processing on the nut bearing 25.Outer hinge 29 is hinged with inner hinge 33 and bearing pin 30 formation on the support 13, and can freely rotate around the axis of bearing pin 30.
The specific implementation of the tracking of 1 pair of sun altitude of cell panel (being the angle of pitch) is as follows: wire rope 12 drives and turns hub 28 rotations, turns hub 28 and drives nuts 27 coaxial rotatings.Along with the rotation of nut 27, leading screw 6 moves up and down along the axis direction of nut 27.When leading screw 6 moved up and down, inner hinge 32 correspondingly relatively rotated with outer hinge 5, promoted cross hinge frame 4 and rotated around bearing pin 9.Cross hinge frame 4 just drives battery board bracket 3 and cell panel 1 rotates around bearing pin 9 together.The final tracking that realizes 1 pair of elevation angle of cell panel.
As shown in Figure 3, fix respectively two rolling bearing units 20 on the supporting plate 36, the leading screw 18 of packing in the dead eye of rolling bearing units 20.The assembling of leading screw 18 lower ends turns hub 17, and both realize coaxial rotating.Turn hub 17 outside lay winding wire ropes 41, wire rope 41 pitch of the laps middle parts by wire line shoe 43 with to turn hub 17 fixing.Turn hub 17 drive leading screws 18 and under the supporting of rolling bearing units 20, carry out free rotation.Fixed installation guide rail 16 on the supporting plate 36.Internal thread 35, one ends that processing cooperates with leading screw 18 in the middle of the slide block 19 are processed into the swallow-tail form that can slide in guide rail 16, other end fixed installation spherical bearing 35.Turn hub 17 and drive leading screw 18 rotations, the slide block 19 that cooperates with leading screw 18 moves along the axis direction of internal thread 35, can move back and forth at leading screw 18.
Fixed installation spherical bearing 24 on the battery board bracket 3, spherical bearing 24 can be fixed on the center line of battery board bracket 3, to realize the stable control to cell panel 1.Be connected by ball head connecting rod 21 between spherical bearing 24 and the spherical bearing 34, the bulb outside surface at ball head connecting rod 21 two ends cooperates with the Internal Spherical Surface of spherical bearing 24 with spherical bearing 34 respectively, forms spherical pair, and can rotate around arbitrary axis.The purpose that ball head structure is set herein is: eliminate the interference effect that brings in position angle rotating mechanism 57 and 58 these each autokinesis of two control gears of angle of pitch rotating mechanism.
The specific implementation of the tracking of 1 pair of solar azimuth of cell panel (being the position angle) is as follows: wire rope 12 drives and turns hub 17 rotations, turns hub 17 drive leading screws 18 and rotates together.Along with the rotation of leading screw 18, slide block 16 moves up and down.Slide block 16 moves up and down at leading screw 18, promotes ball head connecting rod 21 and moves up and down, and the bulb outside surface at ball head connecting rod 21 two ends correspondingly rotates in the Internal Spherical Surface of spherical bearing 24 and spherical bearing 34 respectively.The moving up and down and rotate of ball head connecting rod 21 promotes battery board bracket 3 and cell panel 1 rotates around bearing pin 7.The final tracking that realizes 1 pair of solar azimuth of cell panel.
Embodiment two: compare embodiment one, the difference of the present embodiment is: the difference of the present embodiment is: the tracking of 1 pair of solar azimuth of cell panel, namely adopt as shown in Figure 4 scheme around the rotation of bearing pin 9.In the present embodiment, saved leading screw 18, slide block 19, and the supporting plate 36, rolling bearing units 20, the guide rail 16 that support them.Turning hub 17 uses instead and turns hub 37.Turn hub and be installed on the axle 40, can rotate around axle 40.Turn fixed installation spherical bearing 39 on the hub 37, spherical bearing 39 cooperates with ball head connecting rod 21 lower end bulbs.Turn the edge working groove 38 of hub 37, wire rope is around 38 1 weeks of groove.Pulling wire rope, drive turn hub 37 and rotate, and spherical bearing 39 rotates around axle 40 with turning hub 37.Spherical bearing 39 promotes ball head connecting rod 21 and moves up and down, and drives battery board bracket 3 and rotates around axle 9.Realize the tracking of 1 pair of solar azimuth of cell panel.Structure in the present embodiment does not possess auto-lock function, and the wire rope stroke is short.
Embodiment three: compare embodiment one, the difference of the present embodiment is: the present embodiment replaces spherical pair linkage assembly among the embodiment one with hinged slave connecting rod mechanism.Slide block 19 is by becoming slide block 47 to replace.The inner hinge of slide block 47 left ends and the outer hinge of double-end hinge 49 and bearing pin 48 form hinged, and can rotate around bearing pin 48.The outer hinge 51 of connecting rod 52 lower ends processing, outer hinge 51 is hinged with inner hinge and bearing pin 50 formation of double-end hinge 49, and can rotate around bearing pin 50.The outer hinge 46 of upper end processing of connecting rod 54, outer hinge 46 is hinged with inner hinge and bearing pin 55 formation of double-end hinge 45, and can rotate around bearing pin 55.Spherical bearing 24 is replaced by hinge 56.Hinge 56 is hinged with outer hinge and bearing pin 44 formation of double-end hinge 45 upper ends, and can rotate around bearing pin 44.Connecting rod 54 lower ends and connecting rod 52 upper ends processing annular projection, chuck 53 is clamped the annular projection of connecting rod 54 and connecting rod 52, and connecting rod 54 and connecting rod 52 can relatively rotate around their common axis.
Above-mentioned three embodiment are in the specific implementation: at first embodiment two, three is the position angle rotating mechanism 57 that has adopted the different structure form compared to one of embodiment, does not affect by two cover mechanisms to control respectively the process that cell panel 1 position angle and the angle of pitch change.
Take the supporting-point of 15 pairs of battery board brackets 3 of column as initial point, position angle push-and-pull pin joint 59 is on this initial point X-axis axis, angle of pitch push-and-pull pin joint 60 is on this initial point Y-axis axis, and its purpose all is: can use less power to finish push pull maneuver to battery board bracket 3.What additionally need in addition to set forth is: the distance that position angle push-and-pull pin joint 59, angle of pitch push-and-pull pin joint 60 these two pin joints are compared above-mentioned initial point arranges the distance decision by required push-pull effort, position angle rotating mechanism 57 or the angle of pitch rotating mechanism 58 of battery board bracket 3 and 15 on column.
Above-described embodiment all is for photovoltaic array, be in the solar panel array, so the position angle rotating mechanism 57 on each cell panel 1 and angle of pitch rotating mechanism 58 are connected into a closed loop by wirerope, be to be provided with in the position angle rotating mechanism 57 to turn hub 17, the hub 17 of turning in the position angle rotating mechanism 57 on each cell panel 1 is linked into an integrated entity by wirerope, with the synchro control of realization to the photovoltaic array azimuthal variation, and by can accurately control the azimuthal variation size of cell panel 1 for the Stroke Control that turns hub 17.Angle of pitch rotating mechanism 58 is consistent with the control principle of position angle rotating mechanism 57 for the control principle of cell panel 1, therefore do not give unnecessary details at this.
Claims (9)
1. solar panel dual-axis tracking system that drives with wirerope, relate to the array that is consisted of by some solar modules, described solar module is comprised of solar panel, backboard and pillar, described backboard is fixed in described pillar top, described solar panel is fixed on the described backboard, it is characterized in that: the described backboard back side is fixedly installed respectively position angle push-and-pull pin joint and angle of pitch push-and-pull pin joint, described position angle push-and-pull pin joint is connected with the position angle rotating mechanism, and described angle of pitch push-and-pull pin joint is connected with angle of pitch rotating mechanism; Described position angle rotating mechanism in described position angle rotating mechanism and the described array in the adjacent described solar module is connected by wirerope successively, and is connected by wirerope by a loop Power Drive Unit and to drive; Described angle of pitch rotating mechanism in described angle of pitch rotating mechanism and the described array in the adjacent described solar module is connected by wirerope successively, and is connected by wirerope by a loop Power Drive Unit and to drive.
2. a kind of solar panel dual-axis tracking system that drives with wirerope according to claim 1, it is characterized in that: as initial point, described position angle push-and-pull pin joint is positioned on the X-axis line of described backboard with the supporting-point between described pillar and the described backboard.
3. a kind of solar panel dual-axis tracking system that drives with wirerope according to claim 1, it is characterized in that: as initial point, described angle of pitch push-and-pull pin joint is positioned on the Y-axis line of described backboard with the supporting-point between described pillar and the described backboard.
4. a kind of solar panel dual-axis tracking system that drives with wirerope according to claim 1, it is characterized in that: described position angle rotating mechanism is the space slider-crank mechanism, by nut, leading screw, connecting rod, turning hub forms, described lead screw position and described pillar are connected and fixed, described nut cooperates with described threads of lead screw, described leading screw is fixedly connected with the described hub that turns, and can realize coaxial rotation, described connecting rod one end is connected with spherical pair with described nut, the other end of described connecting rod is connected with spherical pair with described position angle push-and-pull pin joint, and the described hub that turns connects driving by described loop Power Drive Unit by wirerope.
5. a kind of solar panel dual-axis tracking system that drives with wirerope according to claim 4, it is characterized in that: described connecting rod is connection rod set, described connection rod set is by two connecting rods, cross-garnet butt forms, described two connecting rods are continuous to pushing up in the axial alignment mode, and can relatively rotate around its axis, the connecting rod other end is hinged described cross-garnet butt respectively, free end and the described nut of the described cross-garnet butt of described connection rod set one end are hinged, and the free end of the described cross-garnet butt of the described connection rod set other end and described position angle push-and-pull pin joint are hinged.
6. a kind of solar panel dual-axis tracking system that drives with wirerope according to claim 4, it is characterized in that: ball head structure is adopted respectively at described connecting rod two ends.
7. a kind of solar panel dual-axis tracking system that drives with wirerope according to claim 1, it is characterized in that: described angle of pitch rotating mechanism is slider-crank mechanism, by nut, leading screw, turn hub and form, described nut is connected and fixed by a support and described pillar, threaded engagement between described nut and the described leading screw, described leading screw is connected and fixed the described hub that turns, can consist of coaxial rotation between the two, described leading screw is connected with described angle of pitch push-and-pull pin joint, and the described hub that turns connects driving by described loop Power Drive Unit by wirerope.
8. a kind of solar panel dual-axis tracking system that drives with wirerope according to claim 4, it is characterized in that: the described hub that turns in the rotating mechanism of described position angle is wound with wirerope outward, described wirerope pitch of the laps middle part by a wire line shoe with turn hub and fix.
9. a kind of solar panel dual-axis tracking system that drives with wirerope according to claim 7, it is characterized in that: the described hub that turns in the described angle of pitch rotating mechanism is wound with wirerope outward, described wirerope pitch of the laps middle part by a wire line shoe with turn hub and fix.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210317258.5A CN102929289B (en) | 2012-08-31 | 2012-08-31 | The solar panel dual-axis tracking system that a kind of wirerope drives |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210317258.5A CN102929289B (en) | 2012-08-31 | 2012-08-31 | The solar panel dual-axis tracking system that a kind of wirerope drives |
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| CN102929289A true CN102929289A (en) | 2013-02-13 |
| CN102929289B CN102929289B (en) | 2015-10-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113156377A (en) * | 2021-04-22 | 2021-07-23 | 中国科学院空天信息创新研究院 | Dihedral corner reflector |
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