CN103324204B - A kind of tracking support with double shafts - Google Patents
A kind of tracking support with double shafts Download PDFInfo
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- CN103324204B CN103324204B CN201310217194.6A CN201310217194A CN103324204B CN 103324204 B CN103324204 B CN 103324204B CN 201310217194 A CN201310217194 A CN 201310217194A CN 103324204 B CN103324204 B CN 103324204B
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- pivotal axis
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S20/00—Supporting structures for PV modules
- H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
- H02S20/32—Supporting structures being movable or adjustable, e.g. for angle adjustment specially adapted for solar tracking
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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
- F24S30/40—Arrangements for moving or orienting solar heat collector modules for rotary movement
- F24S30/45—Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
- F24S30/455—Horizontal primary axis
-
- 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
- F24S2030/131—Transmissions in the form of articulated bars
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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
-
- 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
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a kind of tracking support with double shafts, comprise the bracket of carrying solar components, column, central pivot, angle regulator and elevation angle regulation device.Wherein, bracket is connected with column by central pivot: the corner pivotal axis of central pivot and bracket are articulated and connected, and can rotate to make bracket along corner direction; The elevation angle pivotal axis of central pivot and column are articulated and connected, and can rotate to make bracket along elevation direction.Angle regulator comprises the first drive disk assembly be connected on bracket and the first driver part coordinated with the first drive disk assembly be arranged on corner pivotal axis; Elevation angle regulation device comprises the second drive disk assembly be connected on the pivotal axis of the elevation angle or on bracket and the second driver part coordinated with the second drive disk assembly be arranged on column.The present invention has that structure is firm, low cost, low-power consumption, stable, be convenient to install, the feature of transport and daily servicing.
Description
Technical field
The present invention relates to technical field of solar energy utilization equipment, specifically a kind of can the holder device of double-axis tracking sunshine.
Background technology
In photovoltaic generating system, the support for support solar battery component is generally divided into fixed bracket and tracking mode support, and wherein, tracking mode support is divided into again horizontal uniaxial tracking bracket, tiltedly uniaxial tracking bracket and tracking support with double shafts.According to the study, the solar module of common crystal silicon material, after adopting double-axis tracking technology, its generated energy, than hard-wired solar module, because different regions illumination condition is different, can improve more than 30%--50%.But existing sunshine double-axis tracking technology, mostly because the reasons such as complex structure cause high expensive, in photovoltaic generating system cost structure, even exceedes 40% of power station gross investment; Improve relative to the generated energy of 30%--50%, follow the tracks of and lose commercial value.Moreover tracking itself also will consume electric energy, because shade block surface is large, the soil that tracking takies is also than many during fixed installation, and maintenance, the maintenance of equipment need again additionally to increase technician, and plant running risk is also greater than fixed installation etc.; Simultaneously, in order to reduce tracking cost, what double-axis tracking device monomer was made by each manufacturer following the tracks of support at present is increasing, this creates again, and windage strengthens, installation and maintenance difficulty increases, to series of problems such as road and foundation requirement raisings, the attractive force of the effect that double-axis tracking technology is produced reduces greatly, seriously hinders the commercialized development of tracking technique.
Summary of the invention
The object of this invention is to provide a kind of can the support of double-axis tracking sunshine, have that structure is firm simultaneously, low cost, low-power consumption, stable, be convenient to install, the feature of transport and daily servicing.
The present invention solves the technical scheme that its technical matters takes: this tracking support with double shafts, comprises the bracket of carrying solar components, column, central pivot, angle regulator and elevation angle regulation device; Described bracket is connected with described column by central pivot, the crosswise pivotal axis that described central pivot is made up of corner pivotal axis and elevation angle pivotal axis, described corner pivotal axis and bracket are articulated and connected, can rotate along corner direction to make described bracket, described elevation angle pivotal axis and column are articulated and connected, and can rotate to make described bracket along elevation direction;
Described angle regulator comprises and is connected to the first drive disk assembly on described bracket and is arranged on described corner pivotal axis and is connected with described first drive disk assembly the first driver part coordinated, and described first drive disk assembly, the first driver part and bracket form the link gear of a quadrilateral jointly; First driver part is power source, by changing the shape of described link gear, adjusts the crank degree of described bracket;
Described elevation angle regulation device is connected between described column and described corner pivotal axis or between column and described bracket or between the body of column and described first driver part, adjusts the elevation angles of described bracket.
The first form of described angle regulator is, the one or two connecting rod that its first drive disk assembly is made up of two hinged rod members, and one end of described one or two connecting rod is hinged on bracket, and the other end is fixedly connected with the output shaft of described first driver part; The body of two articles of bars of described one or two connecting rod, bracket and the first driver part, the link gear of a common composition parallelogram, described link gear changes shape under the driving of described first driver part, drives described bracket to rotate along corner direction.
As another distortion of angle regulator, its first drive disk assembly is made up of the first arm bar and first, second transmission rope, the centre of described first arm bar is fixedly connected on the output shaft of the first driver part, the two ends of described first arm bar are connected with described bracket respectively by first, second isometric transmission rope, and the first driver part drives the first arm bar to drive bracket to rotate along corner direction by first, second transmission rope.
Easily expect, described first driver part is a motor driver with reverse lock function and deceleration.One of wherein this device at least comprises the cooperation of the cooperation of common electric machine and turbine and worm, servomotor and gear reduction, and three kinds of specific implementation forms such as the cooperation of motor and planetary reduction gear.
Described elevation angle regulation device comprises the second drive disk assembly be connected on described corner pivotal axis or on described bracket or on the body of described first driver part, and be arranged on described column and be connected with described second drive disk assembly the second driver part coordinated, the two coordinates the elevation angles of the described bracket of adjustment.
As a kind of form of elevation angle regulation device, the two or two connecting rod that its second drive disk assembly is made up of two hinged rod members, one end of described two or two connecting rod is hinged on described corner pivotal axis, and the other end is fixedly connected with the output shaft of described second driver part; Two articles of bars of described two or two connecting rod, corner pivotal axis and the column of the second driver part is installed, the link gear of a common composition parallelogram, described link gear changes shape under the driving of described second driver part, drives described bracket to rotate at elevation direction.
One as elevation angle regulation device is out of shape, the two or two connecting rod that described second drive disk assembly is made up of two hinged rod members, and one end of described two or two connecting rod is hinged on described bracket, and the other end is fixedly connected with the output shaft of the second driver part; Two articles of bars, brackets of described two or two connecting rod and the column of the second driver part is installed, the link gear of a common composition parallelogram, described link gear changes shape under the driving of described second driver part, drives described bracket to rotate at elevation direction.
Another kind as elevation angle regulation device is out of shape, described second drive disk assembly is made up of the second arm bar and the isometric the 3rd, the 4th transmission rope, the centre of described second arm bar is fixedly connected on the output shaft of the second driver part, one end of described second arm bar is connected with described corner pivotal axis by the 3rd transmission rope, and the other end is connected with described corner pivotal axis or described bracket by the 4th transmission rope.
Further, described second driver part is a motor driver with reverse lock function and deceleration, similar with the first driver part.
The important distortion of one as elevation angle regulation device, its elevation angle regulation device is an elevation angle adjusting lever being provided with angle locking hole or angle locking groove, and described elevation angle adjusting lever at least one end is connected on described corner pivotal axis or on described bracket or on the body of described first driver part; Described column is fixedly installed locating structure, and the angle orientation hole on the adjusting lever of the described elevation angle or angle orientation groove are coordinated with described locating structure by register pin.
Further, described elevation angle regulation device is an electric linear push rod or hydraulic linear push rod, and its one end is hinged on column, and the other end is hinged on described corner pivotal axis or on described bracket or on the body of described first driver part.
In a preferred embodiment, described column is fixedly mounted on ground pedestal.
The invention has the beneficial effects as follows: rely on criss-cross central pivot, establish a spherical coordinate, by first, second driver part, under the control of the controller arranged according to astronomical constants, realize the in good time change of coordinate points, thus copy the different tracks of sun operation every day, complete the accurate tracking to sunshine; Structure is simple, and the weight of solar components and bracket can be born by criss-cross central pivot completely, alleviates the burden of driver part; And in its main technical schemes, take full advantage of the link gear of parallelogram like, by drawing, driving the adjustment carrying out corner or the elevation angle, installation accuracy requires low, but the precision run is higher, the object of accurate tracking sun operation angle can be met, there is very high practical value and market popularization value; Labor, has following main advantage:
1) structure is simple, and rod component is more, and requirement on machining accuracy is low, and production cost is low.
2) greatly, mechanical property is good, structure is firm for connecting rod and transfer bar mechanism span, and array mode is flexible, is easy to accomplish scale production.
3) drive power by connecting rod and push rod transmission, effectively eliminate solar components huge eccentric throw because of displacement of center of gravity generation when low angle.
4) unitary construction is reasonable, tracking being reduced greatly to driving the requirement of power, coordinating timing operation control program and utilizing the latching characteristics of worm and gear, drastically reduce the area the operating power consumption following the tracks of self.
5) applied widely, level angle > 270 °, luffing angle > 120 °.
6) control program is simple, according to the change of coordinate points, can realize the clock control of open loop completely, run more stable.
7) simply light and handy rod member combination, makes transport more convenient, is more suitable for the Container Transport in international trade, does not also need large-scale construction equipment during installation, be more suitable for the complicated landform such as roof, hillside.
8) do not need to carry out smooth to place, require low to construction site.
Accompanying drawing explanation
Fig. 1 is the structural drawing of embodiment one;
Fig. 2 is several form schematic diagram of crosswise central pivot;
Fig. 3 is the schematic diagram of four-axle linkage mechanism (parallelogram 2);
Fig. 4 is the structural drawing of embodiment two;
Fig. 5 is the structural drawing of embodiment three;
Fig. 6 is the structural drawing of embodiment four;
Fig. 7 is the structural drawing of embodiment five;
Fig. 8 is the structural drawing of embodiment six;
Fig. 9 is the structural drawing of embodiment seven;
Figure 10 is the structural drawing of embodiment eight;
In figure: 1 bracket, 2 columns, 3 crosswise central pivot, 31 corner pivotal axis, 32 elevation angle pivotal axis, 41 the 1 connecting rods, 42 the 22 connecting rods, 51 first driver parts, 52 second driver parts, 61 elevation angle adjusting levers, 62 pilot holes, 63 register pins, 64 locating structures, 71 first arm bars, 72 second arm bars, 711 first transmission ropes, 712 second transmission ropes, 721 the 3rd transmission ropes, 722 the 4th transmission ropes, 82 line handspikes.
Embodiment
Below by embodiment, and 1-10 by reference to the accompanying drawings, technical scheme of the present invention is described in further detail.In the description, same or analogous drawing reference numeral indicates same or analogous parts.Following reference accompanying drawing is described embodiment of the present invention, is intended to make an explanation to present general inventive concept of the present invention, and does not should be understood to one restriction of the present invention.
Embodiment one
As shown in Figures 1 to 3, this tracking support with double shafts, comprises bracket 1, column 2, central pivot 3, angle regulator and elevation angle regulation device.For ease of describing, first by parallel with bracket 1 place plane and along solar day running orbit direction be defined as Y-direction (corner), by parallel with bracket 1 place plane and along solar year running orbit direction be defined as Z-direction (elevation angle), then the direction with YZ plane orthogonal and towards bracket 1 back side is X-direction.
See Fig. 1, in one embodiment, bracket 1 can be steel-pipe welding or bolted framed structure, for fixed solar assembly.Obviously, said frame structure is not limited in this, and can be made up of other any suitable materials, as aluminium alloy extrusions etc.As shown in Figure 1, in one embodiment, the steel construction of H shape of column 2 for being welded, column 2 lower end is by fastening means, and such as fastening bolt is fixed on ground pedestal.It should be noted that, the structure of column 2 is not limited in this, can adopt any suitable shape, such as single column, tripod shape, four column-types etc., and its constituent material is not limited only to Steel material, and can be other any suitable materials, such as aluminium alloy etc.See Fig. 1, the upper end of column 2 connects bracket 1 by criss-cross central pivot 3.
As shown in Figure 2, central pivot 3 comprises corner pivotal axis 31 and the elevation angle pivotal axis 32 of square crossing, and diaxon is crosswise.The existence form of diaxon is various.According to diaxon whether at grade, can be divided into and intersect pivotal axis (two axle center not at grade, D) and crossing pivotal axis (two axle center at grade, C) two kinds of citation forms.
Above-mentioned several situation can realize bracket 1 and to rotate respectively the function that angle pivotal axis 31 and elevation angle pivotal axis 32 rotate.Preferably, the intersection point (or projection intersection point) of the corner pivotal axis 31 in central pivot 3 and elevation angle pivotal axis 32 is arranged to coincide with the focus point of bracket 1, to reach the object of the gravity of reasonable distribution solar components and bracket 1, is main stress point.
As Figure 1-3, angle regulator comprises: the first drive disk assembly, two connecting rods that it is made up of two hinged rod members, be denoted as the one or two connecting rod 41, one end of one or two connecting rod 41 is hinged on bracket 1, the other end is fixedly connected with the output shaft of the first driver part 51, the first driver part 51 is wherein motor drivers with reverse lock function and deceleration, wherein at least comprise the cooperation of common electric machine and turbine and worm, the cooperation of servomotor and gear reduction, one of and three kinds of specific implementation forms such as the cooperation of motor and planetary reduction gear, this is Machine Design general knowledge.They are all arranged in casing, and casing is fixedly mounted on corner pivotal axis 31, the cooperation of the preferred direct current generator of drive unit and worm and gear.As shown in Figure 3, be jointly made up of the link gear of parallelogram the body of two articles of bars of the one or two connecting rod 41, bracket 1 and the first driver part 51, this link gear changes shape under the driving of the first driver part 51, drives bracket 1 to rotate along corner direction.
Four axle center of above-mentioned link gear are respectively: the pin joint axle center B1 of corner pivotal axis 31 and bracket 1, the output axle center B2 of the first driver part 51, the axle center B3 that one or two connecting rod 41 is hinged, the pin joint axle center B4 of the one or two connecting rod 41 and bracket 1, four AnchorPoints form a parallelogram (this is denoted as parallelogram 1) jointly, refer to Fig. 3; So, the output shaft of the first driver part 51 rotates to an angle, and just drives bracket 1 to rotate equal angular by the one or two connecting rod 41, reaches the object of adjustment corner.
Elevation angle regulation device comprises: the second drive disk assembly, two connecting rods that it is made up of two hinged rod members, and be denoted as the two or two connecting rod 42, this two connecting rods one end is hinged on corner pivotal axis 31, and the other end is fixedly connected with the output shaft of the second driver part 52.See Fig. 1, second driver part 52 is also a motor driver with reverse lock function and deceleration, wherein at least comprise the cooperation of the cooperation of common electric machine and turbine and worm, servomotor and gear reduction, one of and three kinds of specific implementation forms such as the cooperation of motor and planetary reduction gear, they are all arranged in casing, casing is fixedly mounted on column 2, the cooperation of the preferred direct current generator of drive unit and worm and gear.Two or two connecting rod 42, corner pivotal axis 31 and be provided with the column 2 of the second driver part, the just link gear of a common composition parallelogram, this link gear changes shape under the driving of the second driver part 52, drives bracket 1 to rotate at elevation direction.
Four axle center of above-mentioned link gear are respectively: the hinged axle center A1 of elevation angle pivotal axis 32 and column 2, the output axle center A2 of the second driver part 52, two or two connecting rod 42 pin joint axle center A3, the pin joint axle center A4 of the two or two connecting rod 42 and corner pivotal axis 31, four AnchorPoints form a parallelogram (this is denoted as parallelogram 2) jointly; So, the output shaft of the second driver part 52 rotates to an angle, and just drives bracket 1 to rotate equal angular by the two or two connecting rod 42, reaches the object at the adjustment elevation angle.
In a preferred embodiment, for ensureing to follow the tracks of accurately, simplify control program, during installation, two legs of the column 2 of H shape are installed along Y-direction (consistent with geographical weft direction), and make the corner pivotal axis 31 of criss-cross central pivot 3 consistent with Z-direction (geographic meridian direction), elevation angle pivotal axis 32 and Y-direction (geographical weft direction is consistent); The plane at parallelogram 2 place and horizontal plane; The plane at parallelogram 1 place namely with the plane orthogonal at bracket 1 place, again with the plane orthogonal at parallelogram 2 place.So just establishing a spheric coordinate system accurately, having determined reference point for realizing clock control accurately.
In the body that the controller controlling the first driver part 51 and the running of the second driver part 52 is arranged on arbitrary driver part or on column 2, program can set according to astronomical constants, by the collaborative running of two driver parts, the vertical corresponding position in sky spherical co-ordinate of solar components on support is followed the tracks of in adjustment, copy the day operation track of the sun, equipment is possessed function that twin shaft accurately follows the trail of the sun; Controller also can adopt with photocontrol, light-operatedly add time control or center centralized control.
Be specially: when morning, the sun rose to setting height, this tracking support with double shafts moves to initial track state from the guard mode at night of level, just to the tracking orientation of reasonable set, from the tracking angle that the sun in morning reaches program setting, programming controller controls the first driver part 51 per stipulated time rotation predetermined angular, and then drive bracket 1 per stipulated time on the direction of corner (Y) to rotate predetermined angular by the one or two connecting rod 41, until program setting time-division stopping before sunset, simultaneously, programming controller controls the second driver part 52 per stipulated time rotation predetermined angular, and then the setting of bracket 1 follow procedure is driven by the two or two connecting rod 42, in the elevation angle (Z) direction, per stipulated time rotates predetermined angular, until after noon reaches the corresponding point at sun maximum height on same day angle, oppositely per stipulated time turns round predetermined angular to second driver part 52 more under program control, until angle is followed the tracks of in the stopping of setting in afternoon, so just by several corresponding point, the sun running orbit of a day is copied out in good time, achieve sunshine active tracing accurately, ensure that solar components keeps plumbness with sunshine all the time.
Post sunset, programmed control sun light tracking support returns horizontal positioned, enters guard mode at night.
When wind-force reaches setting rank, programmed control bracket 1 horizontal positioned is wind sheltering state; During snowfall, programmed control bracket 1 is vertically placed, for keeping away snow state.
Its advantage of this drive manner is followed the tracks of accurately, reduces the refraction loss of light to greatest extent, is particularly suitable for requiring higher concentrating solar power generating device to tracking accuracy, ensure that the accurate tracking to sunshine.Shortcoming is that two driver parts all must work in good time, and cost is high, and motor damage has a big risk.
Embodiment two
As shown in Figure 4, be with embodiment one difference: the first drive disk assembly of the angle regulator of this tracking support is made up of the first arm bar 71 and the first isometric transmission rope 711, second transmission rope 712, one end of first transmission rope 711 is connected on bracket 1, and the other end is connected with the end of the first arm bar 71; The centre of the first arm bar 71 is fixedly connected with the output shaft of the first driver part 51, and one end of the second transmission rope 712 is connected on bracket 1, and the other end is connected with the other end of the first arm bar 71, tensioner; As shown in Figure 4, by the first arm bar 71, bracket 1, first transmission rope 711 and the second transmission rope 712, the link gear of a common composition parallelogram, this link gear moves under the driving of described first driver part 51.First driver part 51 is fixedly mounted on the corner pivotal axis 31 of criss-cross central pivot 3, it is a set of motor driver with reverse lock function and deceleration, one of wherein at least comprise the cooperation of the cooperation of common electric machine and turbine and worm, servomotor and gear reduction, and three kinds of specific implementation forms such as the cooperation of motor and planetary reduction gear.
Because the rope structure that have employed software connects, first transmission rope 711 and the second transmission rope 712 need reverse each other pining down, therefore, as shown in Figure 4: this link gear includes six axle center, is respectively: the tie point B16 of the tie point B15 of the tie point B14 of the tie point B13 of the pin joint axle center B11 of corner pivotal axis 31 and bracket 1, the output axle center B12 of the first driver part 51, the first transmission rope 711 and the first arm bar 71 end, the first transmission rope 711 and bracket 1, the second transmission rope 712 and the first arm bar 71 end, the second transmission rope 712 and bracket 1; Above 6 hinge (company) contacts are on same parallelogram; So, the output block of the first driver part 51 rotates to an angle, and just drives rotate to an angle, by isometric first transmission rope 711 or second transmission rope 712 same with the first arm bar 71 that it is fixedly connected with, drive bracket 1 to rotate equal angular, reach the object of adjustment corner.By above-mentioned parsing, the link gear can knowing in the composition linkage mechanism of this tightrope schematic design making and embodiment one is in fact all the change by parallelogram shape, reaches the object of adjustment angle.
Low-angle tracking component is identical with embodiment one.
Embodiment three:
As shown in Figure 5, be with the difference of embodiment one or two: the second drive disk assembly of the elevation angle regulation device of this tracking support is an elevation angle adjusting lever 61, its one end is fixedly connected on the corner pivotal axis 31 of central pivot 3, the other end is fixedly connected on the body of the first driver part 51, on elevation angle adjusting lever 61, elevation angle Changing Pattern is run according to the year of the sun, pilot hole 62 array is set, on column 2, two pieces of location-plates with pilot hole are fixed in upper lower leaf, composition locating structure 64, elevation angle adjusting lever 61 passes from its centre, one T shape register pin 63 passes from top to bottom from the hole of locating structure 64 and elevation angle adjusting lever 61, elevation angle adjusting lever 61 is pinned, reach the object at elevation direction locking tray 1.
Corner tracking means is identical with embodiment one or two.
This serial fashion can realize the object of corner from motion tracking sunshine, and the adjustment at the elevation angle needs to adjust by human at periodic intervals.Wherein, the operation of the first drive disk assembly 51 is roughly the same with the operation of the first drive disk assembly 51 in embodiment one, two, and number of days adjusted then often is fixed by artificial according to the elevation angle change of the sun in 1 year in the elevation angle.The second driver part 52 in embodiment one, two omits by this embodiment, uses simple elevation angle adjusting lever 61, register pin 63 and location structure 64 instead and locks.Because the year elevation angle change of sun every day is very little, only less than 0.25 °, therefore can every adjustment in 15-20 days once, the gravitational equilibrium by device self designs, then adds the leverage of elevation angle adjusting lever 61, and manual shift work is simple and easy to do, and workload is minimum.
The advantage of this serial scheme is the reduction of cost, reduces the mechanical movement risk of tracking, and driver also only needs to control corner rule and rotates, and has accomplished to simplify most; Shortcoming needs human at periodic intervals to regulate the elevation angle, and there is certain tracking error (average of the whole year is lower than 5%), can not reach the object utilizing sun power to greatest extent.
Embodiment four:
As shown in Figure 6, be with embodiment three difference: as the second drive disk assembly of the elevation angle regulation device of this tracking support, the two ends of elevation angle adjusting lever 61 are all fixedly connected on the corner pivotal axis 31 of central pivot 3, or wherein one end is fixed on corner pivotal axis 31 extended line.
Corner tracking means is identical with embodiment one or two.
Embodiment five:
As shown in Figure 7, be with embodiment four difference: as the second drive disk assembly of the elevation angle regulation device of this tracking support, one end of elevation angle adjusting lever 61 is connected to by round pin or globular hinge on the bracket 1 within the scope of the axis of corner pivotal axis 31, and the other end is fixed on corner pivotal axis 31.
As a kind of form of distortion, the other end of elevation angle adjusting lever 61 also can be fixed on the casing of the first driver part 51, by the cooperation of the locating structure 64 on column 2 and register pin 63, elevation angle adjusting lever 61 can be pinned, reach the object at the artificial adjustment elevation angle, two kinds of modes are without substantial difference.
Corner tracking means is identical with embodiment one or two.
Easily expect, only one end of elevation angle adjusting lever 61 is fixedly connected on corner pivotal axis 31 or on bracket 1 or on the casing of the first driver part 51, by the cooperation of the locating structure 64 on column 2 and register pin 63, all same effect can be reached, herein figure no longer one by one.
Embodiment six:
As shown in Figure 8, be with the difference of each embodiment above: the second drive disk assembly of the elevation angle regulation device of this tracking support is made up of the second arm bar 72 and the 3rd isometric transmission rope 721, the 4th transmission rope 722, one end of 3rd transmission rope 721 is connected on corner pivotal axis 31, and the other end is connected with an end of the second arm bar 72; The centre of the second arm bar 72 is fixedly connected with the output shaft of the second driver part 52, and one end of the 4th transmission rope 722 is also connected on corner pivotal axis 31, and the other end is connected with the other end of the second arm bar 72, tensioner; As shown in Figure 8, by the second arm bar 72, corner pivotal axis 31, the 3rd transmission rope 721 and the 4th transmission rope 722, the link gear of common composition parallelogram, this link gear moves under the driving of described second driver part 52.Second driver part 52 is fixedly mounted on column 2, be a set of motor driver with reverse lock function and deceleration, wherein at least comprise the cooperation of common electric machine and turbine and worm, one of servomotor and three kinds of specific implementation forms such as the cooperation of gear reduction and the cooperation of motor and planetary reduction gear.
Because the rope structure that have employed software connects, 3rd transmission rope 721 and the 4th transmission rope 722 need reverse each other pining down, therefore, as shown in Figure 8: this link gear includes six axle center, be respectively: the pin joint axle center B21 of elevation angle pivotal axis 32 and column 2, the output axle center B22 of the second driver part 52, the tie point B23 of the 3rd transmission rope 721 and the second arm bar 72 end, the tie point B24 of the 3rd transmission rope 721 and corner pivotal axis 31, the tie point B25 of the 4th transmission rope 722 and the second arm bar 72 end, the tie point B26 of the 4th transmission rope 722 and corner pivotal axis 31, above 6 hinge (company) contacts are on same parallelogram, so, the output block of the second driver part 52 rotates to an angle, just drive rotate to an angle same with the second arm bar 72 that it is fixedly connected with, by the 3rd isometric transmission rope 721 or the 4th transmission rope 722, corner pivotal axis 31 is driven to rotate equal angular, thus drive bracket 1 to rotate, reach the object at the adjustment elevation angle.
Corner tracking means is identical with embodiment one or two.
Easily expect, the 4th transmission rope 722 is connected on the bracket 1 of the axis scope being positioned at corner pivotal axis 31, also can reach same effect, herein no longer figure.
Embodiment seven:
As shown in Figure 9, be with the difference of embodiment three: the second transmission component of this tracking support and the second driver part are a set of line handspikes 82, its one end is hinged on column 2, and the other end is hinged on the corner pivotal axis 31 of criss-cross central pivot 3.This line handspike 82 is stretched by electric motor driven screw, controls bracket 1 and rotates respective angles around elevation angle pivotal axis 32.
In actual use procedure, the accurate tracking mode that in embodiment one, low-angle tracking component matches with corner tracking means regular movement can be adopted; But due to the limitation of line handspike 82 self, the angle making support follow the tracks of can be subject to a definite limitation.Also the way of being carried out angular adjustment every fixing number of days by line handspike 82 according to the elevation angle Changing Pattern of the sun in 1 year can be adopted.
In like manner, the gentle pressure line handspike of hydraulic linear push rod can carry out equivalence replacement to electric linear push rod.
Easily expect, this line handspike 82, its one end is hinged on column 2, on the bracket 1 that the other end is hinged on the axis scope being positioned at corner pivotal axis 31 or on the casing of the first driver part 51, also can reach same effect, herein no longer figure.
Embodiment eight:
As shown in Figure 10, in embodiment one, two, six or seven, central pivot 3, bracket 1, column 2, angle regulator and elevation angle regulation device are from substantially identical with embodiment one configuration aspects, difference is that orientation when installing is different, during installation, longitude and latitude is carried out exchanging and (note the Y in the present embodiment, Z-direction, with the difference of embodiment one), that is: the adjustment of corner will be performed by the second drive disk assembly 52 and the second driver part, and the first drive disk assembly and the first driver part 51 perform the adjustment at the elevation angle; During installation, two legs of the column 2 of H shape will (geographic meridian direction) be installed in the z-direction, and to ensure that the corner pivotal axis 31 of criss-cross central pivot 3 is consistent with Y-direction (geographical weft direction), elevation angle pivotal axis 32 and Z-direction (geographic meridian direction is consistent); The plane at parallelogram 2 place and horizontal plane; The plane at parallelogram 1 place namely with the plane orthogonal at bracket 1 place, again with the plane orthogonal at parallelogram 2 place.So also can setting up a spheric coordinate system accurately, determining reference point for realizing clock control accurately.Its essence is the exchange of installation position.The different of setting angle are from the substantive difference of embodiment one.
Be specially: when morning, the sun rose to certain altitude, this sun light tracking support moves to initial track state from the guard mode at night of level, just to the tracking orientation of reasonable set, programming controller controls the second driver part 52 per stipulated time rotation predetermined angular, and then drives bracket 1 per stipulated time on the aforesaid elevation angle (Y) direction to rotate predetermined angular by the second drive disk assembly 42, stops until setting the time-division before sunset, simultaneously, programming controller controls the first driver part 51 per stipulated time rotation predetermined angular, and then the setting of solar module fixed mount 1 follow procedure is driven by the first drive disk assembly 41, on aforesaid corner (Z) direction, per stipulated time rotates predetermined angular, until after noon reaches the corresponding point at sun maximum height on same day angle, oppositely per stipulated time turns round predetermined angular to first driver part 51 more under program control, until angle is followed the tracks of in the stopping of setting in afternoon, so just by several corresponding point, the sun running orbit of a day is copied, achieve sunshine initiatively corresponding accurately, ensure that solar module keeps vertical with sunshine all the time.
It should be noted that, above each embodiment can be combined with each other under difficult environmental conditions.
In large-sized photovoltaic electric power station system is implemented, control box can change into by mster-control centre's centralized control by the present invention, follow the tracks of, the multiple control modes such as wind resistance snow defence function, and namely device design itself has good sand prevention, antirust function to realize photoinduction.
Described embodiment is only be described the preferred embodiment of the present invention above; not scope of the present invention is limited; under not departing from the present invention and designing the prerequisite of spirit; relevant technical staff in the field, to various distortion of the present invention and improvement, all should expand in protection domain as determined in claims of the present invention.
Claims (11)
1. a tracking support with double shafts, comprising: bracket, column, central pivot, angle regulator and elevation angle regulation device; Described bracket is connected with described column by central pivot, the crosswise pivotal axis that described central pivot is made up of corner pivotal axis and elevation angle pivotal axis, described corner pivotal axis and bracket are articulated and connected, can rotate along corner direction to make described bracket, described elevation angle pivotal axis and column are articulated and connected, and can rotate to make described bracket along elevation direction; It is characterized in that:
Described angle regulator comprises and is connected to the first drive disk assembly on described bracket and is arranged on described corner pivotal axis and is connected with described first drive disk assembly the first driver part coordinated, described first drive disk assembly, the first driver part and bracket form the link gear of a quadrilateral jointly, first driver part is power source, by changing the shape of described link gear, adjust the crank degree of described bracket;
Described elevation angle regulation device is connected between described column and described corner pivotal axis or between column and described bracket or between the body of column and described first driver part, adjusts the elevation angles of described bracket.
2. tracking support with double shafts according to claim 1, it is characterized in that: the one or two connecting rod that described first drive disk assembly is made up of two hinged rod members, one end of described one or two connecting rod is hinged on described bracket, and the other end is fixedly connected with the output shaft of described first driver part; The body of two articles of bars of described one or two connecting rod, bracket and the first driver part, the link gear of a common composition parallelogram, described link gear changes shape under the driving of described first driver part, drives described bracket to rotate along corner direction.
3. tracking support with double shafts according to claim 1, it is characterized in that: described first drive disk assembly is made up of the first arm bar and first, second transmission rope, the centre of described first arm bar is fixedly connected on the output shaft of described first driver part, the two ends of described first arm bar are connected with described bracket respectively by first, second isometric transmission rope, and described first driver part drives the first arm bar to drive described bracket to rotate along corner direction by first, second transmission rope.
4. the tracking support with double shafts according to Claims 2 or 3, is characterized in that: described first driver part is a motor driver with reverse lock function and deceleration.
5. the tracking support with double shafts according to Claims 2 or 3, it is characterized in that: described elevation angle regulation device comprises the second drive disk assembly be connected on described corner pivotal axis or on described bracket or on the body of described first driver part, and be arranged on described column and be connected with described second drive disk assembly the second driver part coordinated.
6. tracking support with double shafts according to claim 5, it is characterized in that: the two or two connecting rod that described second drive disk assembly is made up of two hinged rod members, one end of described two or two connecting rod is hinged on described corner pivotal axis, and the other end is fixedly connected with the output shaft of described second driver part; Two articles of bars of described two or two connecting rod, corner pivotal axis and the column of the second driver part is installed, the link gear of a common composition parallelogram, described link gear changes shape under the driving of described second driver part, drives described bracket to rotate at elevation direction.
7. tracking support with double shafts according to claim 5, it is characterized in that: the two or two connecting rod that described second drive disk assembly is made up of two hinged rod members, one end of described two or two connecting rod is hinged on described bracket, and the other end is fixedly connected with the output shaft of the second driver part; Two articles of bars, brackets of described two or two connecting rod and the column of the second driver part is installed, the link gear of a common composition parallelogram, described link gear changes shape under the driving of described second driver part, drives described bracket to rotate at elevation direction.
8. tracking support with double shafts according to claim 5, it is characterized in that: described second drive disk assembly is made up of the second arm bar and the isometric the 3rd, the 4th transmission rope, the centre of described second arm bar is fixedly connected on the output shaft of the second driver part, one end of described second arm bar is connected with described corner pivotal axis by the 3rd transmission rope, and the other end is connected with described corner pivotal axis or described bracket by the 4th transmission rope.
9. tracking support with double shafts according to claim 5, is characterized in that: described second driver part is a motor driver with reverse lock function and deceleration.
10. the tracking support with double shafts according to Claims 2 or 3, it is characterized in that: described elevation angle regulation device is an elevation angle adjusting lever being provided with angle locking hole or angle locking groove, described elevation angle adjusting lever at least one end is connected on described corner pivotal axis or on described bracket or on the body of described first driver part; Described column is fixedly installed locating structure, and the angle orientation hole on the adjusting lever of the described elevation angle or angle orientation groove are coordinated with described locating structure by register pin.
11. tracking support with double shafts according to Claims 2 or 3, it is characterized in that: described elevation angle regulation device is an electric linear push rod or hydraulic linear push rod, its one end is hinged on column, and the other end is hinged on described corner pivotal axis or on described bracket or on the body of described first driver part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310217194.6A CN103324204B (en) | 2012-11-06 | 2013-06-04 | A kind of tracking support with double shafts |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104394677A CN102968125A (en) | 2012-11-06 | 2012-11-06 | Sunlight dual-shaft tracking support |
| CN201210439467.7 | 2012-11-06 | ||
| CN2012104394677 | 2012-11-06 | ||
| CN201310217194.6A CN103324204B (en) | 2012-11-06 | 2013-06-04 | A kind of tracking support with double shafts |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103324204A CN103324204A (en) | 2013-09-25 |
| CN103324204B true CN103324204B (en) | 2016-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104394677A Pending CN102968125A (en) | 2012-11-06 | 2012-11-06 | Sunlight dual-shaft tracking support |
| CN2013203150571U Expired - Lifetime CN203312327U (en) | 2012-11-06 | 2013-06-04 | Double-shaft tracking support |
| CN201310217194.6A Active CN103324204B (en) | 2012-11-06 | 2013-06-04 | A kind of tracking support with double shafts |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104394677A Pending CN102968125A (en) | 2012-11-06 | 2012-11-06 | Sunlight dual-shaft tracking support |
| CN2013203150571U Expired - Lifetime CN203312327U (en) | 2012-11-06 | 2013-06-04 | Double-shaft tracking support |
Country Status (2)
| Country | Link |
|---|---|
| CN (3) | CN102968125A (en) |
| WO (1) | WO2014071683A1 (en) |
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| CN102968125A (en) * | 2012-11-06 | 2013-03-13 | 刘建中 | Sunlight dual-shaft tracking support |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN203312327U (en) | 2013-11-27 |
| CN102968125A (en) | 2013-03-13 |
| CN103324204A (en) | 2013-09-25 |
| WO2014071683A1 (en) | 2014-05-15 |
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Denomination of invention: A dual axis tracking bracket Effective date of registration: 20230626 Granted publication date: 20160413 Pledgee: Weifang branch of Bank of Beijing Co.,Ltd. Pledgor: Liu Jianzhong Registration number: Y2023980045950 |
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