CN109067335B - Flat single-shaft flexible photovoltaic support - Google Patents
Flat single-shaft flexible photovoltaic support Download PDFInfo
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- CN109067335B CN109067335B CN201810882201.7A CN201810882201A CN109067335B CN 109067335 B CN109067335 B CN 109067335B CN 201810882201 A CN201810882201 A CN 201810882201A CN 109067335 B CN109067335 B CN 109067335B
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- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000000725 suspension Substances 0.000 claims 2
- 238000005457 optimization Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
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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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- 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
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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
- Y02E10/50—Photovoltaic [PV] energy
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Abstract
The invention discloses a flat single-shaft flexible photovoltaic support which comprises a stand column, a cross beam, longitudinal pull cables and a rotating shaft frame system, wherein the stand column is provided with stand column stay cables for fixing the stand column, the two ends of the cross beam and the two ends of the longitudinal beam are both connected with the stand column, a plurality of groups of longitudinal pull cables which are sequentially connected in series are arranged between the cross beams, the longitudinal pull cables are used for connecting a photovoltaic module, the cross beam connecting end of each longitudinal pull cable comprises a supporting rod, an inclined rod and an end pull rod, the longitudinal pull cables are connected with the supporting rod, one end of each inclined rod is connected with the supporting rod, the other end of each inclined rod is connected with the end pull rod, the end pull rod is connected with the cross beam, the longitudinal pull cable connecting end of each longitudinal pull cable comprises a supporting rod, an inclined rod and a short rod, the supporting rod is connected with the end of the. The sun-tracking rotation function of the photovoltaic module can be realized, and the wind-proof inhaul cable system can prevent the photovoltaic module from swinging up and down greatly.
Description
Technical Field
The invention relates to the technical field of photovoltaic supports, in particular to a flat single-shaft flexible photovoltaic support.
Background
The existing photovoltaic flexible support replaces the original steel frame structure with a flexible steel cable. The steel consumption of the support can be effectively reduced, the integral piling quantity of the support is reduced, and the construction cost is reduced. Meanwhile, the method can adapt to special project scenes such as water surface photovoltaics and agricultural photovoltaics.
Meanwhile, the flexible support realizes a single-shaft sun-chasing flexible support structure, and the patent CN201720853599 discloses the scheme, but the whole stability of the patent structure is poor, and the safety of the assembly cannot be guaranteed. Especially under the large-span application scene, because structure steel cable length increases, the subassembly atress rocking range also can corresponding increase.
In addition, the photovoltaic module is fragile, and is easy to crack or even break when bearing external force, so that the power generation of a power station is directly influenced. Therefore, the flexible support technology must pay attention to the protection of the assembly and reduce the influence of external force on the assembly while reducing the cost of the support.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides a flat single-shaft flexible photovoltaic support, which solves the technical problem that the strength and the stability of the flexible photovoltaic support in the prior art are not high.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a flexible photovoltaic support of flat unipolar which characterized in that: the vertical column is provided with a vertical column stay cable for fixing the vertical column, the two ends of the cross beam are connected with the vertical column, a plurality of longitudinal stay cable units which are connected in series in sequence are arranged between the cross beams, each longitudinal stay cable unit comprises a plurality of parallel longitudinal stay cables and a longitudinal stay cable end frame connected to the end part of each longitudinal stay cable, each longitudinal stay cable end frame comprises a support rod and an inclined rod, each longitudinal stay cable connecting support rod is connected with the two ends of each support rod, when the longitudinal stay cable end frames are connected with the cross beams, the inclined rods are connected with the cross beams through end pull rods, when the longitudinal stay cable end frames are connected, the inclined rods are connected with the end pull rods through short rods, the short rods are connected with the rotating shaft frame system, and the rotating shaft frame system is used for driving the photovoltaic module to rotate by taking the short rods and the end pull.
As an optimization scheme, aforementioned flat unipolar flexible photovoltaic support, pivot frame system includes the rack, the briquetting, the shell, the pinch roller, the gear, horizontal cable and horizontal cable drive wheel, the rack is equipped with rack face and cable groove, the briquetting is used for being fixed in the horizontal cable between cable groove and the briquetting, the shell is equipped with the shaft hole, pinch roller axle and rack groove, the gear is connected in the shaft hole, the pinch roller is connected to the pinch roller, the rack, the briquetting, pinch roller and gear all set up inside the shell, rack face connects the gear, the rack face-to-face of pinch roller connection rack, the rack groove is used for making the rack stretch out the shell, horizontal cable connection horizontal cable drive wheel, the gear connection quarter butt, horizontal cable drive wheel is used for driving rack reciprocating motion through horizontal cable, the rack passes through the gear and drives the quarter butt rotation, realize the change of photovoltaic module angle.
As an optimization scheme, the flat single-shaft flexible photovoltaic support is further provided with longitudinal beams between the stand columns, and the longitudinal beams are connected through the transverse pull rope driving wheels.
As an optimization scheme, the horizontal single-shaft flexible photovoltaic support is characterized in that the horizontal cable driving wheel is connected with the stand column.
As an optimization scheme, the shell of the flat single-shaft flexible photovoltaic support is further provided with a dustproof device, the dustproof device comprises a dustproof edge and a hairbrush, the dustproof edge is arranged at the edge of the shell, and the hairbrush is arranged in the rack groove.
As an optimized scheme, a tension bearing is further arranged between the end pull rod and the cross beam, and the tension bearing comprises an end surface bearing and a radial bearing.
As an optimization scheme, the flat single-shaft flexible photovoltaic support is provided with an intermediate support rod between the same group of photovoltaic assemblies, and the intermediate support rod is connected with a longitudinal pull rope.
As an optimization scheme, the flat single-shaft flexible photovoltaic support further comprises a windproof stay cable system, and the windproof stay cable system is arranged below the photovoltaic assembly and used for preventing the photovoltaic assembly from shaking.
As an optimization scheme, the windproof stay cable system comprises a windproof vertical stay cable, a windproof longitudinal stay cable, a windproof transverse stay cable and a windproof stay cable, the upper end of the windproof vertical stay cable is connected with the middle of the middle supporting rod and the rotating shaft frame system, the lower end of the windproof vertical stay cable is connected with the windproof longitudinal stay cable, the two ends of the windproof longitudinal stay cable are connected with the windproof transverse stay cable, and the two ends of the windproof transverse stay cable are connected with the stand column through the windproof stay cable.
As an optimized scheme, the horizontal stay rope driving wheel on the same side of the flat single-shaft flexible photovoltaic support is connected with the flat single-shaft flexible photovoltaic support through the same transmission shaft.
The invention achieves the following beneficial effects:
1. under the prerequisite of guaranteeing that photovoltaic module does not receive great external force, pivot frame system can realize photovoltaic module's unipolar and chase after the sun, makes photovoltaic module with best angle orientation sunshine, has promoted photovoltaic module's generating efficiency.
2. The invention can reduce the contact point with the ground and save the ground space to the utmost extent.
3. The wind-proof inhaul cable system further improves the stability of the wind-proof inhaul cable system and improves the wind resistance of the wind-proof inhaul cable system.
Drawings
FIG. 1 is a first top view of the present invention;
FIG. 2 is a second top view of the present invention;
FIG. 3 is a schematic view of the construction of the tension bearing of the present invention;
FIG. 4 is a view of the construction of the end frame of the trailing cable of the present invention;
FIG. 5 is an exploded view of the spindle bracket system of the present invention;
FIG. 6 is a front view of the spindle carrier system of the present invention;
FIG. 7 is a diagram of the operational state of the turret system of the present invention;
FIG. 8 is a schematic view of the rack and press block connection of the present invention;
FIG. 9 is a left side view of the wind cable system of the present invention;
FIG. 10 is a schematic view of the installation of the windproof vertical cable of the present invention;
FIG. 11 is a top plan view of the wind cable system of the present invention;
the meaning of the reference numerals: 1-upright column; 11-upright stay cables; 2-a cross beam; 21-end face bearing; 22-a radial bearing; 3-longitudinal beams; 4-longitudinal pull rope; 41-a support bar; 42-diagonal rods; 421-end pull rod: 43-short bar; 5-a rotating shaft frame system; 51-a rack; 511-rack face; 512-a cable groove; 52-briquetting; 53-a housing; 531-shaft hole; 532-dustproof edge; 533-pressing wheel axle; 534-rack slot; 54-pinch rollers; 55-gear; 56-transverse cable driving wheel; 57-a transverse cable; 6-a photovoltaic module; 7-windproof guy cable systems; 71-windproof vertical cables; 72-windproof longitudinal guy cable; 73-windproof transverse guy cable; 74-windproof stay cables; 411-middle support bar.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 and 2: the embodiment discloses a flat single-shaft flexible photovoltaic support which comprises a vertical column 1, a cross beam 2 and a rotating shaft frame system 5, wherein the vertical column 1 is provided with a vertical column stay cable 11 for fixing the vertical column 1, the two ends of the cross beam 2 are both connected with the vertical column 1, a plurality of longitudinal stay cable units which are sequentially connected in series are arranged between the cross beams 2, each longitudinal stay cable unit comprises a plurality of parallel longitudinal stay cables 4 and longitudinal stay cable end frames connected with the end parts of the longitudinal stay cables 4, each longitudinal stay cable end frame comprises a support rod 41 and an inclined rod 42, each longitudinal stay cable 4 is connected with the support rod 41, the two ends of each support rod 41 are both connected with the, when the end frame of the longitudinal guy cable is connected with the cross beam 2, the connection part of the inclined rod 42 is connected with the cross beam 2 through the end pull rod 421, when the vertical stay cable end frames are connected, the connecting parts of the inclined rods 42 are connected through the short rods 43, the short rods 43 are connected with the rotating shaft frame system 5, and the rotating shaft frame system 5 is used for driving the photovoltaic module 6 to rotate by taking the short rods 43 and the end pull rods 421 as axes.
A plurality of groups of longitudinal guy cables 4 which are connected in series in sequence are arranged between the cross beams 2, and at least two longitudinal guy cables 4 are arranged in each group and used for fixing the photovoltaic module 6.
Specifically, the method comprises the following steps: as shown in fig. 3: the crossbeam 2 link of vertical cable 4 includes bracing piece 41, down tube 2 and tip pull rod 421, and vertical cable 4 connects bracing piece 41, and bracing piece 41 is connected to one end of down tube 2, and the tip pull rod 421 is connected to the other end, and the crossbeam 2 is connected to tip pull rod 421. A tension bearing is further arranged between the end pull rod 421 and the cross beam 2, and the tension bearing comprises an end face bearing 21 and a radial bearing 22. The end bearing 21 is mainly used for counteracting the pulling force generated by the longitudinal pulling rope 4, and the radial bearing 22 is mainly used for bearing the gravity of the photovoltaic module 6 and the longitudinal pulling rope 4.
Specifically, the method comprises the following steps: as shown in fig. 4: the connecting end of the longitudinal pull cable 4 (the longitudinal pull cable 4 is connected with the longitudinal pull cable 4) comprises a supporting rod 41, an inclined rod 42 and a short rod 43, the supporting rod 41 is connected with the longitudinal pull cable 4, one end of the inclined rod 42 is connected with the end part of the supporting rod 41, the other end of the inclined rod is connected with the short rod 43, the short rod 43 is connected with a rotating shaft frame system 5, and the rotating shaft frame system 5 is used for driving the photovoltaic module 6 to rotate by taking the short rod 43 and the end pull rod 421.
As shown in fig. 5 to 8: the rotating shaft frame system 5 of the embodiment comprises a rack 51, a pressing block 52, a shell 53, a pressing wheel 54, a gear 55, a transverse cable 57 and a transverse cable driving wheel 56, wherein the rack 51 is provided with a rack surface 511 and a cable groove 512, the pressing block 52 is used for fixing the transverse cable 57 between the cable groove 512 and the pressing block 52, the shell 53 is provided with a shaft hole 531, a pressing wheel shaft 533 and a rack groove 534, the shaft hole 531 is used for fixing the gear 55, the pressing wheel 54 is connected with the pressing wheel shaft 533, the rack 51, the pressing block 52, the pressing wheel 54 and the gear 55 are all arranged inside the shell 53, the rack surface 511 is connected with the gear 55, the pressing wheel 54 is connected with the opposite side of the rack surface 511 of the rack 51, the rack groove 534 is used for enabling the rack 51 to extend out of the shell 53 (when the rack 51 moves transversely), the transverse cable 57 is connected with the transverse cable driving wheel 56,
when the stand 1 of north-south direction is connected through longeron 3 between, also can be equipped with a plurality of stands 1, specific setting can be confirmed according to actual conditions, when adopting longeron 3 to connect, can realize the great span of north-south direction. When connecting through longeron 3 between the stand 1 of north-south direction, horizontal cable drive wheel 56 connects in longeron 3 (fig. 1), still is equipped with the stand 1 between the stand 1 of north-south direction, and horizontal cable drive wheel 56 connects in stand 1 (shown in fig. 2) this moment, and rack 51 drives the quarter butt 43 through gear 55 and rotates, realizes the change of photovoltaic module 6 angle.
In order to prevent the dust and other impurities from entering the inside of the housing 53 and damaging the internal parts, the housing 53 is further provided with a dustproof device, the dustproof device comprises a dustproof edge 532 and a brush, the dustproof edge 532 is arranged at the edge of the housing 53, and the brush is arranged in the rack groove 534.
Specifically, the gear 55 and the short rod 43 of the present embodiment are connected by a key.
Because the photovoltaic modules have low strength, in order to prevent the photovoltaic modules 6 from being damaged by pulling, the longitudinal stay wires 4 between the photovoltaic modules 6 in the same group are also preferably provided with the support rods 41, and the number of the support rods 41 can be selectively arranged according to actual conditions.
As shown in fig. 9 to 11: in order to prevent the photovoltaic module 6 from swinging too much in windy weather, the invention further comprises a windproof guy cable system 7, wherein the windproof guy cable system 7 is arranged below the photovoltaic module 6 and is used for preventing the photovoltaic module 6 from swinging.
The windproof stay cable system 7 comprises a windproof vertical stay cable 71, a windproof longitudinal stay cable 72, a windproof transverse stay cable 73 and a windproof stay cable 74, wherein the upper end of the windproof vertical stay cable 71 is connected with the middle part of the support rod 41, the lower end of the windproof vertical stay cable is connected with the windproof longitudinal stay cable 72, two ends of the windproof longitudinal stay cable 72 are connected with the windproof transverse stay cable 73, and two ends of the windproof transverse stay cable 73 are connected with the upright post 1 through the windproof stay cable 74.
When meeting strong wind weather, strong wind can form vertical effort to photovoltaic module 6, prevent wind cable system 7 and can hold photovoltaic module 6 through bracing piece 41 and pivot frame system 5 this moment, prevent photovoltaic module 6 swing by a wide margin from top to bottom.
During the use, pivot frame system 5 can drive photovoltaic module 6 and follow the sunshine and rotate, makes the photovoltaic board absorb solar energy with the best inclination. The specific process is as follows: horizontal cable drive wheel 56 drives horizontal cable 57 horizontal motion, horizontal cable 57 drives rack 51 horizontal migration, rack 51 drives gear 55 and rotates, gear 55 drives quarter butt 43 and rotates, quarter butt 43 passes through down tube 42 and realizes producing the difference in height between the vertical cable 4 of same group photovoltaic module 6, then realize the change of photovoltaic module 6 angle, the realization is followed irradiantly, in order to guarantee horizontal cable drive wheel 56's synchronization, the preferred horizontal cable drive wheel 56 with one side (east side or west side) of this embodiment is connected through same root drive shaft.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a flexible photovoltaic support of flat unipolar which characterized in that: comprises a column (1), a beam (2) and a rotating shaft frame system (5), wherein the column (1) is provided with a column stay cable (11) for fixing the column (1), the two ends of the beam (2) are connected with the column (1), a plurality of longitudinal stay cable units which are sequentially connected in series are arranged between the beams (2), each longitudinal stay cable unit comprises a plurality of parallel longitudinal stay cables (4) and a longitudinal stay cable end frame connected with the end part of the longitudinal stay cable (4), each longitudinal stay cable end frame comprises a support rod (41) and an inclined rod (42), the longitudinal stay cables (4) are connected with the support rods (41), the two ends of the support rods (41) are connected with the inclined rods (42), when the longitudinal stay cable end frames are connected with the beam (2), the connecting parts of the inclined rods (42) are connected with the beam (2) through end pull rods (421), and when the longitudinal stay cable end frames are connected with each other, the connecting parts of the inclined rods (42) are connected through short rods (43, the short rod (43) is connected with the rotating shaft frame system (5), and the rotating shaft frame system (5) is used for driving the photovoltaic module (6) to rotate by taking the short rod (43) and the end pull rod (421) as axes;
the rotating shaft frame system (5) comprises a rack (51), a pressing block (52), a shell (53), a pressing wheel (54), a gear (55), a transverse cable (57) and a transverse cable driving wheel (56), wherein the rack (51) is provided with a rack surface (511) and a cable groove (512), the pressing block (52) is used for fixing the transverse cable (57) between the cable groove (512) and the pressing block (52), the shell (53) is provided with a shaft hole (531), a pressing wheel shaft (533) and a rack groove (534), the shaft hole (531) is connected with the gear (55), the pressing wheel (54) is connected with the pressing wheel shaft (533), the rack (51), the pressing block (52), the pressing wheel (54) and the gear (55) are all arranged inside the shell (53), the rack surface (511) is connected with the gear (55), and the pressing wheel (54) is connected with the opposite to the rack surface (511) of the rack (51), the rack groove (534) is used for enabling the rack (51) to extend out of the shell (53), the transverse cable (57) is connected with a transverse cable driving wheel (56), the gear (55) is connected with the short rod (43), the transverse cable driving wheel (56) is used for driving the rack (51) to reciprocate through the transverse cable (57), and the rack (51) drives the short rod (43) to rotate through the gear (55) so as to realize the change of the angle of the photovoltaic module (6);
a middle supporting rod (411) is arranged between the same group of photovoltaic components (6), and the middle supporting rod (411) is connected with a longitudinal inhaul cable (4);
the windproof and windproof solar photovoltaic component is characterized by further comprising a windproof guy cable system (7), wherein the windproof guy cable system (7) is arranged below the photovoltaic component (6) and used for preventing the photovoltaic component (6) from shaking;
prevent wind cable system (7) including prevent wind vertical cable (71), prevent wind vertical cable (72), prevent wind horizontal cable (73) and prevent wind suspension cable (74), prevent wind the middle part and pivot frame system (5) of connecting intermediate strut pole (411) in vertical cable (71) upper end, prevent wind vertical cable (72) are connected to the lower extreme, prevent wind vertical cable (72) both ends and connect prevent wind horizontal cable (73), prevent wind the both ends of horizontal cable (73) and connect stand (1) through preventing wind suspension cable (74).
2. A flat uniaxial flexible photovoltaic support according to claim 1, wherein: still be equipped with longeron (3) between stand (1), longeron (3) are connected in horizontal cable drive wheel (56).
3. A flat uniaxial flexible photovoltaic support according to claim 2, wherein: the transverse inhaul cable driving wheel (56) is connected with the upright post (1).
4. A flat uniaxial flexible photovoltaic support according to claim 1, wherein: the shell (53) is further provided with a dustproof device, the dustproof device comprises a dustproof edge (532) and a hairbrush, the dustproof edge (532) is arranged on the edge of the shell (53), and the hairbrush is arranged in the rack groove (534).
5. A flat uniaxial flexible photovoltaic support according to claim 1, wherein: and a tension bearing is further arranged between the end pull rod (421) and the cross beam (2), and comprises an end face bearing (21) and a radial bearing (22).
6. A flat uniaxial flexible photovoltaic support according to claim 1, wherein: the transverse cable driving wheels (56) on the same side are connected through the same transmission shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882201.7A CN109067335B (en) | 2018-08-06 | 2018-08-06 | Flat single-shaft flexible photovoltaic support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810882201.7A CN109067335B (en) | 2018-08-06 | 2018-08-06 | Flat single-shaft flexible photovoltaic support |
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| Publication Number | Publication Date |
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| CN109067335A CN109067335A (en) | 2018-12-21 |
| CN109067335B true CN109067335B (en) | 2020-04-03 |
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| CN201810882201.7A Active CN109067335B (en) | 2018-08-06 | 2018-08-06 | Flat single-shaft flexible photovoltaic support |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2009246194B2 (en) * | 2008-05-16 | 2012-08-02 | P4P Holdings Llc | Solar array support methods and systems |
| CN206135797U (en) * | 2016-11-08 | 2017-04-26 | 华夏聚光（内蒙古）光伏电力有限公司 | Single - axis tracking system with flexible bearing structure |
| CN206481262U (en) * | 2017-03-07 | 2017-09-08 | 河北大道至简新能源科技有限公司 | A kind of oblique uniaxiality tracking Photovoltaic array support of cable type |
| CN107302340A (en) * | 2017-06-08 | 2017-10-27 | 何春涛 | A kind of shaft flexible photovoltaic tracking support |
| CN207135051U (en) * | 2017-07-14 | 2018-03-23 | 协鑫电力设计研究有限公司 | A kind of new flat single shaft photovoltaic tracking system |
| CN107947711B (en) * | 2017-12-25 | 2023-09-22 | 杨大楼 | Concentrating type flexible double-shaft tracking photovoltaic and photo-thermal support |
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