A kind of solar two-dimension tracing apparatus of novel linked transmission
Technical field
The present invention relates to technical field of solar, particularly relate to a kind of can be constantly and the sun keep optimal incident angle in fact, have the solar two-dimension tracing apparatus that automatic slowly is followed the tracks of a kind of novel linked transmission of solar azimuth, low cost of manufacture.
Background technology
Along with the development of Application of Solar Energy technology, the ability and operational reliability, reduction cost of investment and the maintenance cost that improve photovoltaic generation more and more are subject to people's attention.How to improve the ability of photovoltaic generation, generally be: the photoelectric transformation efficiency that at first improves solar module; Next is to use automatic tracking technique, makes the sensitive surface of solar module aim at the sun all the time.Also have, the generating capacity of solar module is directly proportional with the light intensity of the sunshine of its acceptance, therefore, when sunshine light intensity and one timing of solar module area, when solar module is vertical with the incident sunshine, has the strongest generating capacity.When keeping the higher solar energy generating capacity, must reduce investment and maintenance cost, just can make photovoltaic system obtain higher generalization and application.
In the construction of photovoltaic system, because tracking means or tracker expense account for 40% of whole photovoltaic system cost, the investment cost that therefore reduces tracking means or tracker is very meaningful.
At present, the actuating unit of tracking means or tracker generally adopts gear drive.In the tracing process, gear promotes the Blast Furnace Top Gas Recovery Turbine Unit (TRT) rotation, because the diameter of gear itself is little, in order to guarantee the intensity of gear tooth, must will add the modulus of gear wheel, makes reducer casing become too heavy so virtually.Simultaneously owing to gear manufacturing expense height, be difficult to eliminate backlass, and in operational process or under the wind effect, between gear, produce easily and impact the too early destruction that causes gear.
Therefore, in today that solar electrical energy generation is extensively popularized, it is a kind of cheap, simple in structure, easy to use that urgent need will provide, and has the drive form of eliminating movement clearance, follows the tracks of the solar two-dimension tracing apparatus of a kind of novel linked transmission of the sun with automatic slowly.
Summary of the invention
Technical matters to be solved by this invention is: at existing technological deficiency, provide a kind of simple in structure, tracking accuracy is high, can be constantly and the sun keep optimal incident angle in fact, have slowly from motion tracking, and can make solar module be in the solar two-dimension tracing apparatus of the novel linked transmission of horizontality.
The present invention solves the technical scheme that its technical matters adopts: be disposed with the position angle rotating mechanism from bottom to top, face upward the bearing of bowing, face upward the rotating mechanism of bowing, solar module support, solar module, the solar module support is provided with light sensor and air velocity transducer.Wherein: described position angle rotating mechanism comprises position angle rotating stand, position angle rotating vertical shaft, orientation reducer stent, orientation speed reduction unit and azimuth-drive motor; Described position angle rotating vertical shaft is rotationally connected through bearing and position angle rotating stand; Described orientation speed reduction unit is installed on the orientation reducer stent, this orientation speed reduction unit comprises orientation worm and gear transmission, sprocket wheel chain transmission, reducer shaft, reducer shaft is rotationally connected through bearing and reducer shell, and two drive sprockets of sprocket wheel chain transmission connect firmly through key and reducer shaft respectively; In reducer shell, the orientation worm couple is positioned at the bottom of described two drive sprockets, and its worm gear connects firmly through key and reducer shaft, and the output shaft of its worm screw and azimuth-drive motor connects firmly.
The described bearing of bowing of facing upward comprises base plate, bracing frame, and wherein: base plate and position angle rotating vertical shaft connect firmly; Bracing frame, its lower end and base plate connect firmly, and its upper end is rotationally connected with the support stringer and the girder of solar module support.
The described rotating mechanism of bowing of facing upward comprises and faces upward the motor of bowing, faces upward the sprocket wheel chain transmission of bowing, faces upward the support of bowing, faces upward the driving support seat of bowing, faces upward the worm and gear transmission of bowing, faces upward the transmission main shaft of bowing, wherein: the described worm and gear transmission of bowing of facing upward, its worm screw with face upward the motor output shaft of bowing and connect firmly, its worm gear by key with face upward the transmission main shaft of bowing and connect firmly; The described sprocket wheel chain transmission of bowing of facing upward, two sprocket wheel respectively by key with face upward the transmission main shaft of bowing and connect firmly, connect firmly axle sleeve between two sprocket wheels, face upward the transmission main shaft of bowing and be installed on the transmission main shaft bearing, face upward the driving support seat of bowing and connect firmly on base plate.
Described face upward the support of bowing can be by chain stiff end, elevation angle chain support webs, chain adjustable side, face upward the support joint flange of bowing and form, wherein: chain stiff end and chain adjustable side are connected to the chain two ends of bowing of facing upward of facing upward the sprocket wheel chain transmission of bowing, and chain stiff end and chain adjustable side all connect firmly with elevation angle chain support webs; Elevation angle chain support webs connects firmly with lower support crossbeam, the upper support crossbeam of solar module support respectively, facing upward the support joint flange of bowing is that bolt is connected with the assembly support joint flange, and faces upward the central lines of bow support joint flange and assembly support joint flange.
Described chain stiff end can be made up of stiff end bearing, connecting link and nut, and wherein: connecting link passes the stiff end bearing and faces upward the chain of bowing and connects firmly, and stiff end bearing and elevation angle chain support webs connect firmly.
Described chain adjustable side can be made up of adjustable side adjuster bar, adjustable side bearing, adjusting threaded line pipe, nut, adjustable side fixed bar, and wherein: adjustable side bearing and elevation angle chain support webs connect firmly; The adjustable side fixed bar connects firmly by nut after passing the chain inner plate, and the adjustable side adjuster bar is connected with the adjusting threaded line pipe after passing the adjustable side bearing; When chain has when loosening, by rotation adjustable side adjuster bar, make the adjustable side adjustable pipe drive chain and move, reaching the purpose of chain tension, and can realize that chain drive eliminates the gap.
Describedly face upward the chain of bowing, face upward the support of bowing, the center of gravity of elevation angle chain support webs and solar module integral body is near the girder axis place at the solar module support.
Described solar module support is a two-layer parallel construction up and down, can form by lower support crossbeam, upper support crossbeam, girder, support stringer, assembly support joint flange, wherein: lower support crossbeam, upper support crossbeam, support stringer are channel-section steel, and lower support crossbeam and upper support crossbeam connect firmly with support stringer respectively; Lower support crossbeam, upper support crossbeam connect firmly with elevation angle chain support webs respectively; The assembly support joint flange is that bolt is connected with facing upward the support joint flange of bowing, and assembly support joint flange and the central lines of facing upward the support joint flange of bowing; The back side formation base supporting surface of lower support crossbeam and support stringer, and the back side formation base supporting surface of upper support crossbeam and support stringer; Described solar module is positioned on this shoring of foundation face.
Between the two bearings on the axis body of described position angle rotating vertical shaft axle sleeve is arranged, this axle sleeve connects firmly by base plate and described axis body.
Be fixedly connected with the axle sleeve that links to each other with reducer shaft between two bearings on the above-mentioned reducer shaft, described bearing is fixed by circlip for hole and reducer shell.
The present invention compared with prior art mainly contains following beneficial effect:
1. low cost of manufacture, cost performance height: compare with worm gear with large scale gear, because the low cost of manufacture of chain sprocket, therefore can reduce the manufacturing cost of whole tracking means; Adopt sprocket wheel chain transmission can eliminate positive and negative running clearance simultaneously, guaranteed tracking accuracy, thereby improved the cost performance of device, be fit to extensive popularizing.
2. can reduce and face upward the power of motor of bowing: because the center of gravity of solar module support, solar module integral body is at the near axis of solar module support girder, make the solar module support when any pitch angle is spent, facing upward the motor of bowing does not need to overcome bigger gravity eccentricity, faces upward the power of motor of bowing thereby reduce.
3. can be from motion tracking and safe wind sheltering: can realize lentamente making the solar module and the sun keep optimized incidence from the motion tracking sun by light sensor; Greater than survival wind speed the time, by air velocity transducer can tracking means attitude automatically, make it arrive home, carry out safe wind sheltering.
In a word, the present invention have simple in structure, tracking accuracy is high, low cost of manufacture, energy consumption is low, cost performance is high, can be from the protrusion advantage of motion tracking and safe wind sheltering.
Description of drawings
Fig. 1 is the cross-sectional schematic of embodiments of the invention;
Fig. 2 is bow bearing and to look synoptic diagram in the left side on top of facing upward of Fig. 1;
Fig. 3 is the cross-sectional schematic of position angle rotating mechanism;
Fig. 4 is the A-A cross-sectional schematic of Fig. 1;
Fig. 5 be face upward bow support and on the chain synoptic diagram;
Fig. 6 is the fixing synoptic diagram of facing upward on the support of bowing of chain;
Fig. 7 eliminates gap function for linked transmission and realizes local enlarged diagram;
Fig. 8 is a solar module support synoptic diagram;
Fig. 9 installs and fixes synoptic diagram for solar module;
Figure 10 is for facing upward bow support joint flange and assembly support joint flange connection diagram.
Among the figure: 1. position angle rotating mechanism; 1-1. position angle rotating stand; 1-2. position angle rotating vertical shaft; 1-3. orientation reducer stent; 1-4. azimuth-drive motor; 1-5. bearing; 1-6. axle sleeve; 1-7. base plate; 1-8. orientation speed reduction unit; 1-8-1. circlip for hole; 1-8-2. axle sleeve; 1-8-3. reducer shell; 1-8-4. worm screw; 1-8-5. worm gear; 1-8-6. key; 1-8-7. sprocket wheel; 1-8-8. key; 1-8-9. axle sleeve; 1-8-10. chain supporting plate; 1-8-11. chain; 1-8-12. reducer shaft; 1-8-13. bearing; 1-8-14. position angle chain support webs; 2. face upward the bearing of bowing; 2-1. base plate; 2-2. bracing frame; 3. face upward the rotating mechanism of bowing; 3-1. face upward the motor of bowing; 3-2. face upward the sprocket wheel of bowing; 3-3. face upward the chain of bowing; 3-4. face upward the support of bowing; 3-5. face upward the driving support seat of bowing; 3-6. face upward the worm screw that bows; 3-7. axle sleeve; 3-8. face upward the transmission main shaft of bowing; 3-9. key; 3-10. face upward the worm gear of bowing; 3-11. key; 3-4-1. chain stiff end; 3-4-2. elevation angle chain support webs; 3-4-3. chain adjustable side; 3-4-4. face upward the support joint flange of bowing; 3-4-1-1. chain stiff end bearing; 3-4-1-2. connecting link; 3-4-1-3. nut; 3-4-2-1. chain postive stop baffle; 3-4-2-2. chain positioning baffle; 3-4-2-3. support webs stiffening plate; 3-4-3-1. adjustable side adjuster bar; 3-4-3-2. adjustable side bearing; 3-4-3-3. adjusting threaded line pipe; 3-4-3-4. nut; 3-4-3-5. adjustable side fixed bar; 4. solar module support; 4-1. lower support crossbeam; 4-2. upper support crossbeam; 4-3. girder; 4-4. support stringer; 4-5. assembly support joint flange; 5. solar module; 6. light sensor; 7. air velocity transducer.
Embodiment
The invention will be further described below in conjunction with embodiment and accompanying drawing.
The solar two-dimension tracing apparatus of novel linked transmission provided by the invention, its structure is as shown in Figure 1 and Figure 2: be disposed with position angle rotating mechanism 1 from bottom to top, face upward the bearing 2 of bowing, face upward the rotating mechanism 3 of bowing, solar module support 4, solar module 5, solar module support 4 is provided with light sensor 6 and air velocity transducer 7.
Described position angle rotating mechanism 1, its structure such as Fig. 1, Fig. 3 and shown in Figure 4: comprise position angle rotating stand 1-1, position angle rotating vertical shaft 1-2, orientation reducer stent 1-3, azimuth-drive motor 1-4 and orientation speed reduction unit 1-8.Described position angle rotating vertical shaft 1-2 is rotationally connected through bearing 1-5 and position angle rotating stand 1-1, is fixedly connected with axle sleeve 1-6 between the two bearings 1-5 on it; The lower axial end of this position angle rotating vertical shaft 1-2 is fixedly connected with base plate 1-7, and this base plate 1-7 and position angle rotating vertical shaft 1-2 connect firmly.The bearing 1-5 that described position angle rotating vertical shaft 1-2 is connected with position angle rotating stand 1-1 has at least one to be surface bearing.
Described orientation speed reduction unit 1-8, its structure as shown in Figure 3 and Figure 4, comprise: the orientation worm and gear transmission of forming by worm screw 1-8-4 and worm gear 1-8-5 with auto-lock function, has the sprocket wheel chain transmission of forming by sprocket wheel 1-8-7 and chain 1-8-11 of eliminating drive gap, driving chain supporting plate 1-8-10, reducer shaft 1-8-12, key 1-8-6 and key 1-8-8, axle sleeve 1-8-2 and axle sleeve 1-8-9, bearing 1-8-13, position angle chain support webs 1-8-14, circlip for hole 1-8-1 and reducer shell 1-8-3.Reducer shell 1-8-3 bottom and the reducer stent 1-3 of this orientation speed reduction unit 1-8 connect firmly; Reducer shaft 1-8-12 is rotationally connected through bearing 1-8-13 and reducer shell 1-8-3, and two drive sprocket 1-8-7 connect firmly through two key 1-8-8 and reducer shaft 1-8-12 respectively.Orientation worm and gear transmission connects firmly through key 1-8-6 and reducer shaft 1-8-12.
As Fig. 1, Fig. 3 and shown in Figure 4, position angle chain support webs 1-8-14 and orientation transmission vertical shaft 1-2 connect firmly; In reducer shell 1-8-3, worm screw 1-8-4 is positioned at the bottom of sprocket wheel 1-8-7; Between sprocket wheel 1-8-7 and bearing 1-8-13, connect firmly axle sleeve 1-8-9, between worm gear 1-8-5 and bearing 1-8-13, connect firmly axle sleeve 1-8-2; Bearing 1-8-13 and reducer shell 1-8-3 fix through circlip for hole 1-8-1; Described circlip for hole 1-8-1 is positioned at bearing 1-8-13 bottom, and connects firmly with reducer shell 1-8-3; The output shaft of described worm screw 1-8-4 and azimuth-drive motor 1-4 connects firmly; The housing of described azimuth-drive motor 1-4 and reducer shell 1-8-3 connect firmly.
As Fig. 1, Fig. 3 and Fig. 4, when follow the tracks of at the position angle, because reducer shell 1-8-3 its underpart and orientation reducer stent 1-3 connect firmly.Azimuth-drive motor 1-4 drives worm gear 1-8-5 through worm screw 1-8-4 and rotates, this worm gear drives reducer shaft 1-8-12 by key 1-8-6 and rotates, thereby driving sprocket wheel 1-8-7 by key 1-8-8 rotates, and this sprocket wheel and chain 1-8-4 engagement, this chain and position angle rotating vertical shaft 1-2 relative fixed make position angle rotating vertical shaft 1-2 rotate round the axle center like this.Connect firmly the bearing 2 of bowing of facing upward on the rotating vertical shaft 1-2 of position angle and also rotate thereupon, realize the azimuth rotation of this solar two-dimension tracing apparatus.
As depicted in figs. 1 and 2, the described bearing 2 of bowing of facing upward is positioned at position angle rotating mechanism 1 top, comprises base plate 2-1, bracing frame 2-2; Base plate 2-1 and position angle rotating vertical shaft 1-2 connect firmly; The lower end of bracing frame 2-2 and base plate 2-1 connect firmly, and its upper end is rotationally connected with the support stringer 4-4 and the girder 4-3 of solar module support 4.
The described rotating mechanism 3 of bowing of facing upward is positioned at and faces upward bearing 2 tops of bowing, this structure of facing upward the rotating mechanism 3 of bowing as depicted in figs. 1 and 2, comprise: face upward the motor 3-1 that bows, have and eliminate the bowing sprocket wheel 3-2 and face upward the sprocket wheel chain transmission of bowing of facing upward that the chain 3-3 that bows forms of gap function by facing upward, face upward the support 3-4 that bows, face upward the driving support seat 3-5 that bows, have the bowing worm screw 3-6 and face upward the worm and gear transmission of bowing of facing upward that the worm gear 3-10 that bows forms of auto-lock function, face upward the transmission main shaft 3-8 that bows by facing upward.The output shaft of facing upward the motor 3-1 that bows with face upward the worm screw 3-6 that bows and connect firmly, face upward bow worm gear 3-10 by key 3-11 with face upward the transmission main shaft 3-8 that bows and connect firmly, face upward bow sprocket wheel 3-2 by key 3-9 with face upward the transmission main shaft 3-8 that bows and connect firmly, face upward to bow for two and connect firmly axle sleeve 3-7 between the sprocket wheel 3-2.Face upward the transmission main shaft 3-8 that bows and be installed in and face upward the driving support seat 3-5 top of bowing, face upward the driving support seat 3-5 that bows and connect firmly on base plate 2-1.
As depicted in figs. 1 and 2, face upward and bow when following the tracks of, face upward the motor 3-1 driving of bowing and face upward the worm screw 3-6 rotation of bowing, face upward the worm screw 3-6 that bows, face upward the worm gear 3-10 engaged transmission of bowing, face upward the worm gear 3-10 that bows and face upward the transmission main shaft 3-8 rotation of bowing by key 3-11 drive, thereby facing upward the sprocket wheel 3-2 that bows by key 3-9 drive rotates, bow sprocket wheel 3-2 and face upward the chain 3-3 engagement of bowing and face upward, facing upward bows chain 3-3 and face upward the support 3-4 that bows connects firmly, make that face upward the solar module 5 that the support 3-4 that bows drives solar module support 4 and top thereof rotates, realize the motion of bowing of facing upward of this solar two-dimension tracing apparatus.
As shown in Figure 1, described face upward the support 3-4 that bows by chain stiff end 3-4-1, elevation angle chain support webs 3-4-2, chain adjustable side 3-4-3, face upward the support joint flange 3-4-4 that bows and form.
As Fig. 1,5 and shown in Figure 10, described chain stiff end 3-4-1 and chain adjustable side 3-4-3 are connected to and face upward the chain two ends of bowing, and both and elevation angle chain support webs 3-4-2 connect firmly.Elevation angle chain support webs 3-4-2 is made up of chain postive stop baffle 3-4-2-1, chain positioning baffle 3-4-2-2, support webs stiffening plate 3-4-2-3, when the pitch angle degree reaches the postive stop baffle position, stops to face upward the motion of bowing; Can prevent the sideslip of chain by chain positioning baffle 3-4-2-2.Elevation angle chain support webs 3-4-2 connects firmly with lower support crossbeam 4-1, the upper support crossbeam 4-2 of solar module support 4 respectively; Facing upward the support joint flange 3-4-4 that bows is that bolt is connected with assembly support joint flange 4-5, and faces upward the central lines of bow support joint flange 3-4-4 and assembly support joint flange 4-5.
As shown in Figure 5 and Figure 6, described chain stiff end 3-4-1 is made up of stiff end bearing 3-4-1-1, connecting link 3-4-1-2 and nut 3-4-1-3; Described connecting link 3-4-1-2 passes stiff end bearing 3-4-1-1 and chain connects firmly, and this stiff end bearing 3-4-1-1 and elevation angle chain support webs 3-4-2 connect firmly.
As shown in Figure 5 and Figure 6, described connecting link 3-4-1-2 passes stiff end bearing 3-4-1-1 and chain connects firmly, and this stiff end bearing 3-4-1-1 and elevation angle chain support webs 3-4-2 connect firmly.
Described chain adjustable side 3-4-3 is made up of adjustable side adjuster bar 3-4-3-1, adjustable side bearing 3-4-3-2, adjusting threaded line pipe 3-4-3-3, nut 3-4-3-4, adjustable side fixed bar 3-4-3-5.Adjustable side bearing 3-4-3-2 and elevation angle chain support webs 3-4-2 connect firmly, and this adjustable side fixed bar 3-4-3-1 passes the chain inner plate and regulates threaded line pipe 3-4-3-3, connects firmly by nut 3-4-3-4 and chain inner plate.Adjustable side adjuster bar 3-4-3-1 passes adjustable side bearing 3-4-3-2 and is connected with adjusting threaded line pipe 3-4-3-3.When chain has when loosening, by rotation adjustable side adjuster bar 3-4-3-1, make and regulate threaded line pipe 3-4-3-3 and drive chain and move, just can reach the purpose of chain tension, and can realize chain drive elimination gap.
As Fig. 3 and shown in Figure 7, described chain drive has the elimination gap function, is example with the position angle linked transmission, and the linked transmission of bowing is similar with facing upward.When chain is installed, chain is installed on the driving chain supporting plate 1-8-10, the stiff end of two chains of assurance and adjustable side be not at same end.After the installation, the adjustable side of two chains is strained simultaneously, like this can be with chain tension.Because have the gap between the gear teeth of sprocket wheel 1-8-7 and the link of chain 1-8-11, two sprocket wheels are consistent, chain can be eliminated the gap whereby from the both direction tensioning, and drive gap also can be eliminated when rotating.
Described solar module support 4, its structure such as Fig. 1, Fig. 2, Fig. 5, Fig. 8 and shown in Figure 9: form by lower support crossbeam 4-1, upper support crossbeam 4-2, girder 4-3, support stringer 4-4, assembly support joint flange 4-5.Described lower support crossbeam 4-1, upper support crossbeam 4-2, support stringer 4-4 are channel-section steel, and lower support crossbeam 4-1 and upper support crossbeam 4-2 connect firmly with support stringer 4-4 respectively.Lower support crossbeam 4-1, upper support crossbeam 4-2 connect firmly with elevation angle chain support webs 3-4-2 respectively.Assembly support joint flange 4-5 is that bolt is connected with facing upward the support joint flange 3-4-4 that bows, and assembly support joint flange 4-5 and the central lines of facing upward the support joint flange 3-4-4 that bows.The back side formation base supporting surface of lower support crossbeam 4-1 and support stringer 4-4 channel-section steel, and the back side formation base supporting surface of upper support crossbeam 4-2 and support stringer 4-4 channel-section steel.Described solar module 5 is positioned on this shoring of foundation face.
As depicted in figs. 1 and 2, describedly face upward the chain 3-3 that bows, face upward the support 3-4 that bows, the center of gravity of solar module support 4, solar module 5 integral body is at the near axis of the girder 4-3 of solar module support 4.