CN109889154B - Sun tracking transmission tracking system and photovoltaic system comprising same - Google Patents
Sun tracking transmission tracking system and photovoltaic system comprising same Download PDFInfo
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- CN109889154B CN109889154B CN201910306053.9A CN201910306053A CN109889154B CN 109889154 B CN109889154 B CN 109889154B CN 201910306053 A CN201910306053 A CN 201910306053A CN 109889154 B CN109889154 B CN 109889154B
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- 210000003813 thumb Anatomy 0.000 claims abstract description 14
- 230000002093 peripheral effect Effects 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 13
- 238000005452 bending Methods 0.000 description 10
- 238000005265 energy consumption Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
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- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
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- 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 novel sun-tracking transmission tracking system and a photovoltaic system comprising the same, wherein the novel sun-tracking transmission tracking system comprises: a multi-square arc tube for supporting a photovoltaic panel; the upright post is used for supporting the multiparty arc tube; and, a thumb wheel transmission mechanism; the thumb wheel transmission mechanism comprises a driving motor, a fan-shaped thumb tooth and a roller; the peripheral wall of the fan-shaped shifting tooth is provided with ring teeth meshed with the roller; the driving motor drives the roller to rotate so as to drive the sector poking teeth to rotate, so that the sector poking teeth drive the multi-party circular arc tube to perform sun-tracking movement; the front end and the tail end of the fan-shaped shifting tooth along the extending direction of the ring tooth are respectively and radially outwards protruded with limiting teeth; the size of the limit teeth along the radial direction of the sector-shaped poking teeth is larger than the size of the teeth of the ring teeth along the radial direction of the sector-shaped poking teeth. The invention has high mechanical strength, good limiting performance, simple structure, easy realization and reliability; because the spacing tooth is located both ends for spacing position is clear to be convenient for overhaul, reduces the maintenance degree of difficulty.
Description
Technical Field
The invention relates to the technical field of photovoltaics, in particular to a novel sun tracking transmission tracking system and a photovoltaic system comprising the same.
Background
The existing photovoltaic tracking system is mainly a single-system high-capacity photovoltaic tracking system because of more application in a ground power station. Because of the capacity requirement of a single set of photovoltaic tracking systems, more photovoltaic modules are usually required to be installed, so that the photovoltaic tracking systems have longer main beams. However, the long main beam is easy to deform due to wind load in a strong wind environment, and if the load resistance is increased, the thickness of the main beam is generally increased, so that the cost is greatly increased, and higher requirements are also put forward for structural design.
The photovoltaic tracking system has a certain tracking range, and the photovoltaic tracker is stopped at the tracking limit position, so that the photovoltaic tracking system is controlled by software, and the hard limit of a mechanical structure is an indispensable step. Therefore, how to provide a sun tracking system with good wind resistance and mechanical limitation is a problem to be solved by those skilled in the art.
Disclosure of Invention
The invention aims to provide a novel sun-tracking transmission tracking system and a photovoltaic system comprising the same, wherein sun-tracking of a photovoltaic panel is realized by utilizing rotation of ring teeth of a sector dial wheel, and limit teeth at two ends of the ring teeth realize structural limit of the sun-tracking of the photovoltaic panel, so that the novel sun-tracking transmission tracking system has high mechanical strength, good limit performance, simple structure, easy realization and reliability; because the spacing tooth is located both ends for spacing position is clear to be convenient for overhaul, reduces the maintenance degree of difficulty.
The technical scheme provided by the invention is as follows:
a novel sun-tracking drive tracking system comprising:
a multi-square arc tube for supporting a photovoltaic panel;
the upright post is used for supporting the multiparty arc tube; the method comprises the steps of,
a thumb wheel transmission mechanism;
the dial wheel transmission mechanism comprises a driving motor, fan-shaped dial teeth and rollers;
the outer peripheral wall of the fan-shaped shifting tooth is provided with a ring tooth meshed with the roller, and the end part of one side of the fan-shaped shifting tooth, which is far away from the ring tooth, is connected with the multiparty circular arc tube;
the driving motor is arranged on the upright post, and the driving motor drives the roller to rotate so as to drive the fan-shaped poking teeth to rotate, so that the fan-shaped poking teeth drive the multi-party circular arc tube to do sun-tracking movement;
the front end and the tail end of the fan-shaped shifting tooth along the extending direction of the ring tooth are respectively provided with a limiting tooth in a radial outward protruding mode, namely a first limiting tooth and a second limiting tooth;
the size of the limiting teeth along the radial direction of the sector-shaped shifting teeth is larger than the size of the teeth of the ring teeth along the radial direction of the sector-shaped shifting teeth.
According to the technical scheme, the sun tracking of the photovoltaic panel is realized by utilizing the rotation of the ring teeth of the sector dial wheel, the limit teeth at the two ends of the ring teeth realize the structural limit of the sun tracking of the photovoltaic panel, and the ring teeth and the limit teeth are integrally formed (are arranged on the sector dial wheel), so that the mechanical strength is high, the limit performance is good, and the structure is simple, and the solar tracking device is easy to realize and reliable; because the spacing tooth is located both ends for spacing position is clear to be convenient for overhaul, reduces the maintenance degree of difficulty. More preferably, because the locating part is located the first end of ring tooth to make the fan-shaped tooth of dialling can be located one side of stand, need not the stand and change its structural feature, guaranteed the structural strength of stand, drive mechanism stand does not have interference problem, reduced photovoltaic system's the difficulty of buildding, improved photovoltaic system's mechanical strength simultaneously. More preferably, the bending resistance of the photovoltaic system is greatly improved (the experimental data prove that the bending resistance is improved by 10 percent) by adopting the multiparty arc tube under the condition of the same thickness and the same sectional area, so that the wind resistance of the photovoltaic system is improved; more preferably, the chamfer angle of the multi-side arc tube is more easy to rotate on the first upright post, the straight edge of the multi-side arc tube ensures the grabbing force of the fan-shaped poking teeth and the main beam, and the effectiveness of sun tracking operation of the photovoltaic system is ensured. More preferably, the sun-tracking transmission tracking system is suitable for a photovoltaic system of a small unit, namely, the sun-tracking transmission system can independently form the small photovoltaic system, and the torsion resistance of the photovoltaic system is greatly improved due to the short length of the multiparty circular arc tube, so that the installation interval of the sun-tracking transmission tracking system adjacently arranged in the north-south direction (namely, the length direction of the multiparty circular arc tube) is reduced, and the later operation and maintenance are facilitated.
Further preferably, the central angle corresponding to the chamfer of the multiparty circular arc tube is 60-120 degrees.
In the technical scheme, the setting of the central angle determines the rotation of the multiparty circular arc tube on the upright post, and improves the bending resistance and the torsion resistance of the multiparty circular arc tube.
Further preferably, the central angle corresponding to the chamfer of the multiparty circular arc tube is 90 degrees.
Further preferably, the fan-shaped shifting tooth comprises a first connecting rod, a second connecting rod, a third connecting rod and a fan-shaped ring rack provided with the ring tooth and the limiting tooth; one end of the first connecting rod is connected with one end of the fanning ring rack, and the other end of the first connecting rod is connected with the other end of the fanning ring rack; one end of the second connecting rod is connected with one end of the fan ring rack, and the other end of the second connecting rod is connected with the multiparty circular arc tube; one end of the third connecting rod is connected with the other end of the fan ring rack, and the other end of the third connecting rod is connected with the multiparty circular arc tube.
In the technical scheme, the sector poking teeth are of a frame structure, so that the interaction of forces between the sector poking teeth and the idler wheels is reduced, the stress condition between the sector poking teeth and the idler wheels is improved, and the service lives of the sector poking teeth and the idler wheels are prolonged.
Further preferably, the support mechanism comprises a purline and a support rod; the purline is laid above the multiparty arc tube along the length direction perpendicular to the multiparty arc tube; the photovoltaic plate is laid above the purline; one end of the supporting rod is connected with the purline, and the other end of the supporting rod is connected with the multiparty circular arc tube.
In the technical scheme, the supporting mechanism is of a frame structure, so that the bearing of the multiparty arc tube is reduced, the moment in the sun-tracking process of the photovoltaic panel is reduced, the output of the driving motor is saved, and the energy consumption is reduced.
The invention also discloses a photovoltaic system, comprising:
a plurality of novel sun-tracking transmission tracking systems arranged in an array;
the novel sun-tracking transmission tracking system comprises a multi-square arc tube for supporting a photovoltaic panel; the upright post is used for supporting the multiparty arc tube; and, a thumb wheel transmission mechanism;
the dial wheel transmission mechanism comprises a driving motor, fan-shaped dial teeth and rollers;
the outer peripheral wall of the fan-shaped shifting tooth is provided with a ring tooth meshed with the roller, and the end part of one side of the fan-shaped shifting tooth, which is far away from the ring tooth, is connected with the multiparty circular arc tube;
the driving motor is arranged on the upright post, and the driving motor drives the roller to rotate so as to drive the fan-shaped poking teeth to rotate, so that the fan-shaped poking teeth drive the multi-party circular arc tube to do sun-tracking movement;
the front end and the tail end of the fan-shaped shifting tooth along the extending direction of the ring tooth are respectively provided with a limiting tooth in a radial outward protruding mode, namely a first limiting tooth and a second limiting tooth;
the size of the limiting teeth along the radial direction of the sector-shaped shifting teeth is larger than the size of the teeth of the ring teeth along the radial direction of the sector-shaped shifting teeth.
According to the technical scheme, the sun tracking of the photovoltaic panel is realized by utilizing the rotation of the ring teeth of the sector dial wheel, the limit teeth at the two ends of the ring teeth realize the structural limit of the sun tracking of the photovoltaic panel, and the ring teeth and the limit teeth are integrally formed (are arranged on the sector dial wheel), so that the mechanical strength is high, the limit performance is good, and the structure is simple, and the solar tracking device is easy to realize and reliable; because the spacing tooth is located both ends for spacing position is clear to be convenient for overhaul, reduces the maintenance degree of difficulty. More preferably, the bending resistance of the photovoltaic system is greatly improved (the experimental data prove that the bending resistance is improved by 10 percent) by adopting the multiparty arc tube under the condition of the same thickness and the same sectional area, so that the wind resistance of the photovoltaic system is improved; more preferably, the chamfer angle of the multi-side arc tube is more easy to rotate on the first upright post, the straight edge of the multi-side arc tube ensures the grabbing force of the fan-shaped poking teeth and the main beam, and the effectiveness of sun tracking operation of the photovoltaic system is ensured. More preferably, the sun-tracking transmission tracking system is suitable for a photovoltaic system of a small unit, namely, the sun-tracking transmission system can independently form the small photovoltaic system, and the torsion resistance of the photovoltaic system is greatly improved due to the short length of the multiparty circular arc tube, so that the installation interval of the sun-tracking transmission tracking system adjacently arranged in the north-south direction (namely, the length direction of the multiparty circular arc tube) is reduced, and the later operation and maintenance are facilitated.
Further preferably, the central angle corresponding to the chamfer of the multiparty circular arc tube is 60-120 degrees.
In the technical scheme, the arrangement of the central angle determines the rotation difficulty of the multiparty circular arc tube on the upright post, and improves the bending resistance and torsion resistance of the multiparty circular arc tube.
Further preferably, the installation gap between the two novel sun-tracking transmission tracking systems which are adjacently arranged along the length direction of the multiparty circular arc tube is 10 cm to 20cm.
In the technical scheme, the installation space of the sun-tracking transmission tracking system adjacently arranged in the north-south direction (namely, the length direction of the multi-party arc tube) is greatly reduced compared with the prior art, and the sun-tracking transmission tracking system is convenient for later operation and maintenance.
Further preferably, the fan-shaped shifting tooth comprises a first connecting rod, a second connecting rod, a third connecting rod and a fan-shaped ring rack provided with the ring tooth and the limiting tooth; one end of the first connecting rod is connected with one end of the fanning ring rack, and the other end of the first connecting rod is connected with the other end of the fanning ring rack; one end of the second connecting rod is connected with one end of the fan ring rack, and the other end of the second connecting rod is connected with the multiparty circular arc tube; one end of the third connecting rod is connected with the other end of the fan ring rack, and the other end of the third connecting rod is connected with the multiparty circular arc tube.
In the technical scheme, the sector poking teeth are of a frame structure, so that the interaction of forces between the sector poking teeth and the idler wheels is reduced, the stress condition between the sector poking teeth and the idler wheels is improved, and the service lives of the sector poking teeth and the idler wheels are prolonged.
Further preferably, the novel sun-tracking transmission tracking system further comprises a supporting mechanism, wherein the supporting mechanism comprises purlines and supporting rods; the purline is laid above the multiparty arc tube along the length direction perpendicular to the multiparty arc tube; the photovoltaic plate is laid above the purline; one end of the supporting rod is connected with the purline, and the other end of the supporting rod is connected with the multiparty circular arc tube.
In the technical scheme, the supporting mechanism is of a frame structure, so that the bearing of the multiparty arc tube is reduced, the moment in the sun-tracking process of the photovoltaic panel is reduced, the output of the driving motor is saved, and the energy consumption is reduced.
The novel sun tracking transmission tracking system and the photovoltaic system comprising the same provided by the invention can bring at least one of the following beneficial effects:
the sun tracking of the photovoltaic panel is realized by utilizing the rotation of the ring teeth of the sector dial wheel, the limit teeth at the two ends of the ring teeth realize the structural limit of the sun tracking of the photovoltaic panel, and the ring teeth and the limit teeth are integrally formed (are arranged on the sector dial wheel), so that the solar tracking device has high mechanical strength, good limit performance, simple structure, easy realization and reliability; because the spacing tooth is located both ends for spacing position is clear to be convenient for overhaul, reduces the maintenance degree of difficulty. More preferably, because the locating part is located the first end of ring tooth to make the fan-shaped tooth of dialling can be located one side of stand, need not the stand and change its structural feature, guaranteed the structural strength of stand, drive mechanism stand does not have interference problem, reduced photovoltaic system's the difficulty of buildding, improved photovoltaic system's mechanical strength simultaneously. More preferably, the bending resistance of the photovoltaic system is greatly improved (the experimental data prove that the bending resistance is improved by 10 percent) by adopting the multiparty arc tube under the condition of the same thickness and the same sectional area, so that the wind resistance of the photovoltaic system is improved; more preferably, the chamfer angle of the multi-side arc tube is more easy to rotate on the first upright post, the straight edge of the multi-side arc tube ensures the grabbing force of the fan-shaped poking teeth and the main beam, and the effectiveness of sun tracking operation of the photovoltaic system is ensured. More preferably, the sun-tracking transmission tracking system is suitable for a photovoltaic system of a small unit, namely, the sun-tracking transmission system can independently form the small photovoltaic system, and the torsion resistance of the photovoltaic system is greatly improved due to the short length of the multi-party arc tube, so that the installation space of the sun-tracking transmission tracking system adjacently arranged in the north-south direction (namely, the length direction of the multi-party arc tube) is reduced, the energy difference between the sun-tracking transmission tracking system and the productivity of a long main beam is almost the same, and the post operation and maintenance are convenient.
Drawings
The above features, technical features, advantages and implementation manners of the novel sun tracking system and the photovoltaic system comprising the same will be further described below in a clear and understandable manner by referring to the preferred embodiments described in the accompanying drawings.
FIG. 1 is a schematic view of a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic structural view of a third embodiment of the present invention;
FIG. 4 is a schematic view of an embodiment of a multi-sided arc tube of the present invention;
fig. 5 is a schematic structural view of an embodiment of the fanning strip of the present invention.
Reference numerals illustrate:
1. the photovoltaic panel comprises a multipart circular arc tube, 11 parts of chamfers, 2 parts of upright posts, 3 parts of thumb wheel transmission mechanisms, 31 parts of sector-shaped poking teeth, 311 parts of first connecting rods, 312 parts of second connecting rods, 313 parts of sector-ring racks, 3131 parts of ring teeth, 3132 parts of first limiting teeth, 3133 parts of second limiting teeth, 3134 parts of tooth grooves, 321 parts of rolling discs, 322 parts of tooth posts, 41 parts of purlins, 42 parts of supporting rods and 5 parts of photovoltaic panels.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the present invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In a first embodiment, as shown in fig. 1-5, a novel sun tracking system includes: a multiparty circular arc tube 1 for supporting a photovoltaic panel 5; the upright post 2 is used for supporting the multiparty arc tube 1; and, a thumb wheel transmission mechanism 3; the thumb wheel transmission mechanism 3 comprises a driving motor, a sector thumb tooth 31 and a roller; the outer peripheral wall of the sector-shaped shifting tooth 31 is provided with a ring tooth 3131 meshed with the roller, and the end part of one side of the sector-shaped shifting tooth 31 far away from the ring tooth 3131 is connected with the multiparty circular arc tube 1; the driving motor is arranged on the upright post 2, and the driving motor drives the roller to rotate so as to drive the sector poking teeth 31 to rotate, so that the sector poking teeth 31 drive the multi-party arc tube 1 to perform sun-tracking movement; the front end and the tail end of the fan-shaped shifting tooth 31 along the extending direction of the ring tooth 3131 are respectively provided with a limiting tooth in a radially outward protruding mode, namely a first limiting tooth 3132 and a second limiting tooth 3133; the size of the spacing teeth in the radial direction of the sector-shaped shifting teeth 31 is greater than the size of the teeth of the ring teeth 3131 in the radial direction of the sector-shaped shifting teeth 31. In practical application, when the roller rolls to the limit teeth (the first limit teeth 3132 or the second limit teeth 3133), the roller cannot roll any more and mechanical limit of the photovoltaic panel 5 is realized because the tooth height of the limit teeth is larger than the tooth height of the ring teeth 3131, and the limit teeth and the ring teeth 3131 are integrally formed, so that the mechanical limit has high strength and excellent performance; more preferably, because the sector poking teeth 31 are of a planar structure, at this time, the sector poking teeth 31 can be arranged on one side of the upright post 2 to realize the sun tracking movement of the main beam 1 (namely the photovoltaic panel 5), at this time, the structures of the upright posts 2 can be the same or different, and when the upright posts 2 are the same, the production cost of the upright posts 2 is lower in batch. More preferably, under the condition of the same thickness and sectional area, the torsion resistance and the bending resistance of the multiparty circular arc steel pipe are higher than those of the existing round pipe and square pipe, the wind resistance of the photovoltaic system is improved, the maintenance cost of the photovoltaic system is reduced, the photovoltaic system is suitable for areas with stronger wind power, and the application range of the photovoltaic system is improved.
In the second embodiment, as shown in fig. 1 to 5, on the basis of the first embodiment, the central angle of the ring tooth 3131 is 90 ° to 270 °, and in practical application, the angular range of the central angle of the ring tooth 3131 may be specifically set according to the local solar angle. Preferably, the central angle corresponding to the chamfer 11 of the multiparty circular arc tube 1 is 60-120 °. Further preferably, the central angle corresponding to the chamfer 11 of the multiparty arc tube 1 is 90 degrees, the multiparty arc tube 1 with the chamfer 11 of 90 degrees is easier to roll on the upright post 2, and the rolling friction force is small, so that the energy consumption of the driving motor is reduced. Preferably, the multiparty arc tube 1 is a regular polygon arc tube, such as a regular square arc tube, a regular five-square arc tube, a regular six-square arc tube, and the like. Preferably, the number of the upright posts 2 of each sun-tracking drive tracking system can be one, two, three or four. The multi-side arc tube 1 of each sun-tracking transmission tracking system is one or can be formed by a plurality of spliced or spliced sub multi-side arc tubes 1. Preferably, a bearing is arranged between the upright post 2 and the multiparty circular arc tube 1. Preferably, the multiparty arc tube 1 is provided with a sleeve at the contact position of the multiparty arc tube 1 and the upright post 2, the dimension of the sleeve along the length direction of the multiparty arc tube 1 is larger than the dimension of the upright post 2 along the length direction of the multiparty arc tube 1, then at the moment, the fan-shaped shifting tooth 31 is connected with the sleeve, the bearing is arranged between the sleeve and the upright post 2, and the sleeve can be integrally formed with the multiparty arc tube 1 or can be an independent part which is strongly assembled or connected with the multiparty arc tube 1.
In the third embodiment, as shown in fig. 1 to 5, on the basis of the first or second embodiment, the sector-shaped shifting tooth 31 includes a first link 311, a second link 312, a third link, and a sector-ring rack 313 provided with ring teeth 3131 and limit teeth; one end of the first link 311 is connected with one end of the fan ring rack 313, and the other end of the first link 311 is connected with the other end of the fan ring rack 313; one end of the second connecting rod 312 is connected with one end of the fan ring rack 313, and the other end of the second connecting rod 312 is connected with the multiparty circular arc tube 1; one end of the third connecting rod is connected with the other end of the fan ring rack 313, and the other end of the third connecting rod is connected with the multiparty circular arc tube 1. Preferably, at least one pair of the first link 311, the second link 312, the third link, and the fan ring rack 313 is detachably connected. Preferably, the fan ring rack 313 is detachably connected with the first connecting rod 311, the second connecting rod 312 and the third connecting rod respectively, so that the fan ring rack 313 is convenient to replace in the later period, and the maintenance cost of the photovoltaic system is reduced. It should be noted that, the sector-shaped shifting tooth 31 may be partially or entirely integrally formed, that is, at least one pair of components including the first link 311, the second link 312, the third link, and the sector-ring rack 313 are integrally formed. Of course, the sector-shaped tooth 31 may also have a plate-like structure. In practical application, the multiparty circular arc tube 1 may be located at the center of the sector-shaped shifting tooth 31, or may not be located at the center of the sector-shaped shifting tooth 31.
In the fourth embodiment, as shown in fig. 1 to 5, on the basis of the first, second or third embodiment, a supporting mechanism is further included, and the supporting mechanism includes a purline 41 and a supporting rod 42; purlines 41 are laid above the multiparty circular arc tube 1 along the length direction perpendicular to the multiparty circular arc tube 1; the photovoltaic panel 5 is laid above the purline 41; one end of a supporting rod 42 is connected with the purline 41, and the other end of the supporting rod 42 is connected with the multiparty circular arc tube 1. In practical application, a plurality of purlines 41 are laid at intervals and parallel to each other along the length direction of the multiparty circular arc tube 1, and the photovoltaic panel 5 is laid above the purlines 41. Two support rods 42 are respectively arranged at two ends of each purline 41 to realize a triangular support frame, so that the support stability and the firmness of the photovoltaic panel 5 are improved. Preferably, the roller comprises a roller plate 321 connected with a tooth column 322 and a driving motor, a plurality of tooth columns 322 are arranged around the center point of the roller plate 321 in a circular shape, so that a gap between two adjacent tooth columns 322 is meshed with teeth of a ring tooth 3131, tooth grooves 3134 formed between two adjacent teeth in the ring tooth 3131 are meshed with the tooth columns 322, and preferably, the tooth columns 322 are detachably connected with the roller plate 321, such as in a screwed manner, or can be in a bolted manner, such as after the tooth columns 322 penetrate through the roller plate 321, two ends of the tooth columns 322 are locked through nuts. Of course, the roller may also be a gear.
In a fifth embodiment, as shown in fig. 1-5, a photovoltaic system, comprises: the novel sun-tracking transmission tracking system comprises a plurality of multi-party arc tubes 1 for supporting a photovoltaic panel 5; the upright post 2 is used for supporting the multiparty arc tube 1; and, a thumb wheel transmission mechanism 3; the thumb wheel transmission mechanism 3 comprises a driving motor, a sector thumb tooth 31 and a roller; the outer peripheral wall of the sector-shaped shifting tooth 31 is provided with a ring tooth 3131 meshed with the roller, and the end part of one side of the sector-shaped shifting tooth 31 far away from the ring tooth 3131 is connected with the multiparty circular arc tube 1; the driving motor is arranged on the upright post 2, and the driving motor drives the roller to rotate so as to drive the sector poking teeth 31 to rotate, so that the sector poking teeth 31 drive the multi-party arc tube 1 to perform sun-tracking movement; the front end and the tail end of the fan-shaped shifting tooth 31 along the extending direction of the ring tooth 3131 are respectively provided with a limiting tooth in a radially outward protruding mode, namely a first limiting tooth 3132 and a second limiting tooth 3133; the size of the spacing teeth in the radial direction of the sector-shaped shifting teeth 31 is greater than the size of the teeth of the ring teeth 3131 in the radial direction of the sector-shaped shifting teeth 31. In practical application, when the roller rolls to the spacing tooth (first spacing tooth 3132 or second spacing tooth 3133), because the tooth height of spacing tooth is greater than the tooth height of ring tooth 3131, consequently, the roller can't roll any more and realized the mechanical spacing of photovoltaic board 5, because spacing tooth and ring tooth 3131 integrated into one piece processing forms for the intensity of mechanical spacing is high and the performance is superior, better, under the condition of the same thickness and sectional area, multiparty circular arc steel pipe's torsional capacity, bending resistance all are stronger than current pipe and side pipe, the wind resistance of photovoltaic system has been improved, make photovoltaic system's maintenance cost reduce, and be applicable to the region that wind-force is stronger, improve photovoltaic system's application scope.
In the sixth embodiment, as shown in fig. 1 to 5, on the basis of the fifth embodiment, the central angle of the ring tooth 3131 is 90 ° to 270 °, and in practical application, the angular range of the central angle of the ring tooth 3131 may be specifically set according to the local solar angle. Preferably, the central angle corresponding to the chamfer 11 of the multiparty circular arc tube 1 is 60-120 °. It is further preferred that the chamfer 11 of the multiparty circular arc tube 1 corresponds to a central angle of 90 °. Preferably, the multiparty arc tube 1 is a regular polygon arc tube, such as a regular square arc tube, a regular five-square arc tube, a regular six-square arc tube, and the like. Preferably, it should be noted that, in practical application, the system may be a novel sun-tracking transmission tracking system including one row, multiple rows (more than two rows), or multiple rows (more than two rows or more than two rows); the number of the novel sun-tracking transmission tracking systems in each row or each column can be the same or different, each multi-party arc tube 1 is correspondingly provided with 1-6 upright posts, and the length of the multi-party arc tube 1 is preferably 2-20m; the number of the upright posts 2 contained in different novel sun-tracking transmission tracking systems can be different or the same; the spacing between the posts 2 may be the same or different. The multi-side arc tube 1 of each sun-tracking transmission tracking system is one or can be formed by a plurality of spliced or spliced sub multi-side arc tubes 1. Preferably, a bearing is arranged between the upright post 2 and the multiparty circular arc tube 1. Preferably, the multiparty arc tube 1 is provided with a sleeve at the contact position of the multiparty arc tube 1 and the upright post 2, the dimension of the sleeve along the length direction of the multiparty arc tube 1 is larger than the dimension of the upright post 2 along the length direction of the multiparty arc tube 1, then at the moment, the fan-shaped shifting tooth 31 is connected with the sleeve, the bearing is arranged between the sleeve and the upright post 2, and the sleeve can be integrally formed with the multiparty arc tube 1 or can be an independent part which is strongly assembled or connected with the multiparty arc tube 1.
In the seventh embodiment, as shown in fig. 1 to 5, on the basis of the fifth or sixth embodiment, the sector-shaped setting gear 31 includes a first link 311, a second link 312, a third link, and a sector-ring rack 313 provided with ring teeth 3131 and stopper teeth; one end of the first link 311 is connected with one end of the fan ring rack 313, and the other end of the first link 311 is connected with the other end of the fan ring rack 313; one end of the second connecting rod 312 is connected with one end of the fan ring rack 313, and the other end of the second connecting rod 312 is connected with the multiparty circular arc tube 1; one end of the third connecting rod is connected with the other end of the fan ring rack 313, and the other end of the third connecting rod is connected with the multiparty circular arc tube 1. Preferably, at least one pair of the first link 311, the second link 312, the third link, and the fan ring rack 313 is detachably connected. Preferably, the fan ring rack 313 is detachably connected with the first connecting rod 311, the second connecting rod 312 and the third connecting rod respectively, so that the fan ring rack 313 is convenient to replace in the later period, and the maintenance cost of the photovoltaic system is reduced. It should be noted that, the sector-shaped shifting tooth 31 may be partially or entirely integrally formed, that is, at least one pair of components including the first link 311, the second link 312, the third link, and the sector-ring rack 313 are integrally formed. Of course, the sector-shaped tooth 31 may also have a plate-like structure. In practical application, the multiparty circular arc tube 1 may be located at the center of the sector-shaped shifting tooth 31, or may not be located at the center of the sector-shaped shifting tooth 31.
In the eighth embodiment, as shown in fig. 1 to 5, on the basis of the fifth, sixth or seventh embodiment, a supporting mechanism is further included, and the supporting mechanism includes a purline 41 and a supporting rod 42; purlines 41 are laid above the multiparty circular arc tube 1 along the length direction perpendicular to the multiparty circular arc tube 1; the photovoltaic panel 5 is laid above the purline 41; one end of a supporting rod 42 is connected with the purline 41, and the other end of the supporting rod 42 is connected with the multiparty circular arc tube 1. In practical application, a plurality of purlines 41 are laid at intervals and parallel to each other along the length direction of the multiparty circular arc tube 1, and the photovoltaic panel 5 is laid above the purlines 41. Two support rods 42 are respectively arranged at two ends of each purline 41 to realize a triangular support frame, so that the support stability and the firmness of the photovoltaic panel 5 are improved. Preferably, the roller comprises a roller plate 321 connected with a tooth column 322 and a driving motor, a plurality of tooth columns 322 are arranged around the center point of the roller plate 321 in a circular shape, so that a gap between two adjacent tooth columns 322 is meshed with teeth of a ring tooth 3131, tooth grooves 3134 formed between two adjacent teeth in the ring tooth 3131 are meshed with the tooth columns 322, and preferably, the tooth columns 322 are detachably connected with the roller plate 321, such as in a screwed manner, or can be in a bolted manner, such as after the tooth columns 322 penetrate through the roller plate 321, two ends of the tooth columns 322 are locked through nuts. Of course, the roller may also be a gear. Preferably, the installation clearance of two novel sun-tracking transmission tracking systems adjacently arranged along the length direction of the multiparty circular arc tube is 10-20cm.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. A sun-tracking drive tracking system, comprising:
a multi-square arc tube for supporting a photovoltaic panel;
the upright post is used for supporting the multiparty arc tube; the method comprises the steps of,
a thumb wheel transmission mechanism;
the dial wheel transmission mechanism comprises a driving motor, fan-shaped dial teeth and rollers;
the outer peripheral wall of the fan-shaped shifting tooth is provided with a ring tooth meshed with the roller, and the end part of one side of the fan-shaped shifting tooth, which is far away from the ring tooth, is connected with the multiparty circular arc tube;
the driving motor is arranged on the upright post, and the driving motor drives the roller to rotate so as to drive the fan-shaped poking teeth to rotate, so that the fan-shaped poking teeth drive the multi-party circular arc tube to do sun-tracking movement;
the front end and the tail end of the fan-shaped shifting tooth along the extending direction of the ring tooth are respectively provided with a limiting tooth in a radial outward protruding mode, namely a first limiting tooth and a second limiting tooth;
the size of the limiting teeth along the radial direction of the sector-shaped shifting teeth is larger than the size of the teeth of the ring teeth along the radial direction of the sector-shaped shifting teeth;
the fan-shaped shifting tooth comprises a first connecting rod, a second connecting rod, a third connecting rod and a fan-shaped ring rack provided with the ring tooth and the limiting tooth;
one end of the first connecting rod is connected with one end of the fanning ring rack, and the other end of the first connecting rod is connected with the other end of the fanning ring rack;
one end of the second connecting rod is connected with one end of the fan ring rack, and the other end of the second connecting rod is connected with the multiparty circular arc tube;
one end of the third connecting rod is connected with the other end of the fan ring rack, and the other end of the third connecting rod is connected with the multiparty circular arc tube.
2. The sun-tracking drive tracking system according to claim 1, wherein:
the central angle corresponding to the chamfer angle of the multiparty circular arc tube is 60-120 degrees.
3. The sun-tracking drive tracking system according to claim 2, wherein:
the central angle corresponding to the chamfer angle of the multiparty circular arc tube is 90 degrees.
4. A sun-tracking drive system according to any one of claims 1-3, and also comprising:
the support mechanism comprises purlines and support rods;
the purline is laid above the multiparty arc tube along the length direction perpendicular to the multiparty arc tube;
the photovoltaic plate is laid above the purline;
one end of the supporting rod is connected with the purline, and the other end of the supporting rod is connected with the multiparty circular arc tube.
5. A photovoltaic system, comprising:
a plurality of sun-tracking transmission tracking systems arranged in an array;
the sun tracking transmission tracking system comprises a multi-square arc tube for supporting a photovoltaic panel; the upright post is used for supporting the multiparty arc tube; and, a thumb wheel transmission mechanism;
the dial wheel transmission mechanism comprises a driving motor, fan-shaped dial teeth and rollers;
the outer peripheral wall of the fan-shaped shifting tooth is provided with a ring tooth meshed with the roller, and the end part of one side of the fan-shaped shifting tooth, which is far away from the ring tooth, is connected with the multiparty circular arc tube;
the driving motor is arranged on the upright post, and the driving motor drives the roller to rotate so as to drive the fan-shaped poking teeth to rotate, so that the fan-shaped poking teeth drive the multi-party circular arc tube to do sun-tracking movement;
the front end and the tail end of the fan-shaped shifting tooth along the extending direction of the ring tooth are respectively provided with a limiting tooth in a radial outward protruding mode, namely a first limiting tooth and a second limiting tooth;
the size of the limiting teeth along the radial direction of the sector-shaped shifting teeth is larger than the size of the teeth of the ring teeth along the radial direction of the sector-shaped shifting teeth;
the fan-shaped shifting tooth comprises a first connecting rod, a second connecting rod, a third connecting rod and a fan-shaped ring rack provided with the ring tooth and the limiting tooth;
one end of the first connecting rod is connected with one end of the fanning ring rack, and the other end of the first connecting rod is connected with the other end of the fanning ring rack;
one end of the second connecting rod is connected with one end of the fan ring rack, and the other end of the second connecting rod is connected with the multiparty circular arc tube;
one end of the third connecting rod is connected with the other end of the fan ring rack, and the other end of the third connecting rod is connected with the multiparty circular arc tube.
6. The photovoltaic system of claim 5, wherein:
the central angle corresponding to the chamfer angle of the multiparty circular arc tube is 60-120 degrees.
7. The photovoltaic system of claim 6, wherein:
the installation gap between two sun-tracking transmission tracking systems which are adjacently arranged along the length direction of the multiparty arc tube is 10 cm to 20cm.
8. The photovoltaic system of any of claims 5-7, wherein:
the sun-tracking transmission tracking system also comprises a supporting mechanism, wherein the supporting mechanism comprises purlines and supporting rods;
the purline is laid above the multiparty arc tube along the length direction perpendicular to the multiparty arc tube;
the photovoltaic plate is laid above the purline;
one end of the supporting rod is connected with the purline, and the other end of the supporting rod is connected with the multiparty circular arc tube.
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| US9631840B2 (en) * | 2008-06-12 | 2017-04-25 | Ronald P. Corio | Single axis solar tracking system |
| CN101877560B (en) * | 2010-04-02 | 2012-07-04 | 刘建中 | Automatic sunlight tracking device |
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| CN206004589U (en) * | 2016-08-24 | 2017-03-08 | 刘建中 | A kind of driving structure of solar energy tracking support and single shaft, tracking support with double shafts |
| CN206331306U (en) * | 2016-12-20 | 2017-07-14 | 华夏聚光（内蒙古）光伏电力有限公司 | A kind of drive system of photovoltaic tracking support |
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