CN115840470A - Photovoltaic power generation system, solar tracking support and wind resistance method thereof - Google Patents
Photovoltaic power generation system, solar tracking support and wind resistance method thereof Download PDFInfo
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- CN115840470A CN115840470A CN202111100970.5A CN202111100970A CN115840470A CN 115840470 A CN115840470 A CN 115840470A CN 202111100970 A CN202111100970 A CN 202111100970A CN 115840470 A CN115840470 A CN 115840470A
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- 238000010248 power generation Methods 0.000 title claims abstract description 23
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- 238000009434 installation Methods 0.000 claims abstract description 44
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- 230000005540 biological transmission Effects 0.000 claims description 11
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
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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
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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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- 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 relates to the technical field of solar photovoltaic power generation, in particular to a photovoltaic power generation system, a solar tracking support and a wind resistance method thereof. The solar tracking support comprises a rotating main shaft, a plurality of supporting stand columns, an installation cross beam and a locking assembly, wherein the rotating main shaft extends along a first direction, the supporting stand columns are arranged at intervals along the first direction and jointly support the rotating main shaft, the supporting stand columns are connected with the rotating main shaft in a rotating mode, the installation cross beam is fixed on the rotating main shaft and used for fixing a photovoltaic assembly, the locking assembly can be switched between a locking state and an unlocking state according to the operating mode of the solar tracking support, and when the locking assembly is in the locking state, the locking assembly locks the installation cross beam. When the locking assembly is in the unlocked state, the locking assembly releases the mounting beam. The mounting cross beam is prevented from generating wind-induced vibration under the condition of strong wind, the stability of the mounting cross beam under the condition of strong wind is improved, and the service life of the solar tracking support is prolonged.
Description
Technical Field
The invention relates to the technical field of solar photovoltaic power generation, in particular to a photovoltaic power generation system, a solar tracking support and wind resistance thereof.
Background
Solar photovoltaic power generation is one of the most leading solar energy utilization form at present, in order to improve photovoltaic power plant's generated energy and economic benefits, adopts solar energy to trail the support and support fixed photovoltaic module usually, and solar energy trails the support and passes through tracking controller and carry out regulation and control to the angle of solar energy tracking support for photovoltaic module can accept more illumination, thereby promotes the generating efficiency.
The tracking logic of solar tracking is that a driving mechanism drives a rotating main shaft to rotate so as to drive an installation cross beam to rotate, and the installation cross beam rotates to drive a photovoltaic module to rotate. However, in extreme windy weather, high winds can blow the mounting beam, causing the mounting beam to produce wind-induced vibrations. With the photovoltaic module becoming bigger and bigger, the length of installation crossbeam is also becoming longer and longer, and under extreme strong wind weather, the installation crossbeam is very likely blown by strong wind and is got rid of around the quick rotation of rotation main shaft and lead to solar energy tracking support structure to become invalid even destroy.
Along with the development of technology, some solar energy tracking supports are through setting up electronic tight device of pinning on the drive swing arm of rotatory main shaft to play the restriction effect to the rotation of rotatory main shaft, play the purpose of anti-wind, but the installation crossbeam still can produce certain wind-induced vibration under the effect of strong wind, reduce anti-wind effect.
Therefore, it is desirable to invent a photovoltaic power generation system, a solar tracking bracket and a wind-resistant method thereof to solve the above problems.
Disclosure of Invention
The first purpose of the invention is to provide a solar tracking support, which can avoid wind-induced vibration of a mounting cross beam under a strong wind condition, improve the stability of the mounting cross beam under the strong wind condition, prolong the service life of the solar tracking support and ensure the normal tracking work of the solar tracking support in a normal environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a solar tracking rack comprising a rotating main shaft extending along a first direction, a plurality of support columns spaced along the first direction and supporting the rotating main shaft together, and a mounting beam fixed to the rotating main shaft and configured to fix a photovoltaic module, the solar tracking rack further comprising:
a locking assembly configured to switch between a locked state and an unlocked state depending on an operating mode of the solar tracking support, wherein the locking assembly locks the mounting beam when the locking assembly is in the locked state; when the locking assembly is in the unlocked state, the locking assembly releases the mounting beam.
As a preferred scheme, the number of the mounting beams is multiple, the mounting beams are arranged side by side and at intervals along the first direction, the locking assemblies are arranged on part of the mounting beams, and the mounting beams provided with the locking assemblies are arranged at equal intervals along the first direction.
Preferably, one end of the locking assembly is connected with the mounting cross beam, and the other end of the locking assembly is connected with the foundation or the support upright.
Preferably, the locking assembly comprises:
a first winding device; and
the first traction rope connected with the two ends of the mounting cross beam is released to the foundation from the two ends of the mounting cross beam and is fixed with the foundation, and the first rolling device is configured to roll the first traction rope so as to tension the first traction rope.
Preferably, the locking assembly comprises:
locking sloping, the both ends of installation crossbeam all articulate there is locking sloping, locking sloping's free end with support post has seted up first fixed orifices on one of them, is provided with first fixed pin on another, first fixed pin can run through to be fixed in the first fixed orifices, so that installation crossbeam, two locking sloping and support post is in support post's both sides all form triangular supports structure.
Preferably, the locking assembly further comprises:
and the driving piece is configured to drive the locking oblique beam to rotate relative to the mounting cross beam so that the first fixing pin penetrates through and is fixed in the first fixing hole.
Preferably, the driving member includes:
the second winding device is arranged on the locking oblique beam; and
and one end of the second traction rope is connected with the second winding device, and the other end of the second traction rope penetrates through the first fixing hole to be connected with the first fixing pin.
Preferably, the locking assembly comprises:
the rotary motor is arranged on the supporting upright post; and
the locking support is in transmission connection with the rotary motor, a second fixing hole is formed in one of the two ends of the locking support and the two ends of the mounting cross beam, a second fixing pin is arranged on the other end of the locking support, the rotary motor is configured to drive the locking support to rotate, and therefore the second fixing pin is fixedly connected into the second fixing hole in an inserting mode.
Preferably, the locking bracket includes:
the locking cross beam is in transmission connection with the rotary motor; and
the locking vertical rod is connected to the two ends of the locking cross beam, and the free end of the locking vertical rod is provided with the second fixing pin.
As a preferred scheme, the locking support comprises two groups of locking inclined rods, the two groups of locking inclined rods are respectively located on two sides of the supporting upright post, one end of each locking inclined rod is in transmission connection with the rotary motor, and the other end of each locking inclined rod is provided with the second fixing pin.
The second purpose of the invention is to provide an anti-wind method for the solar tracking support, which can avoid wind-induced vibration of the mounting cross beam under a strong wind condition, improve the stability of the mounting cross beam under the strong wind condition, prolong the service life of the solar tracking support and ensure the normal tracking work of the solar tracking support in a normal environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a wind resisting method of a solar tracking support is used for resisting wind, and comprises the following steps:
when the solar tracking support is in a wind-resistant mode, the mounting cross beam rotates to a wind-sheltering position, and the locking assembly locks the mounting cross beam;
when the solar tracking support is in a normal operation mode, the locking assembly releases the mounting beam.
Preferably, the wind resisting method for the solar tracking support further comprises the following steps:
receiving an early warning signal of a weather forecast or a wind speed sensor, wherein the locking assembly is in the locking state and locks the mounting beam;
and when the early warning signal is finished, the locking assembly is in the unlocking state and loosens the mounting cross beam.
The third purpose of the invention is to provide a photovoltaic power generation system, which can avoid the wind-induced vibration of the mounting cross beam under the condition of strong wind, improve the stability of the mounting cross beam under the condition of strong wind, prolong the service life of the whole photovoltaic power generation system, and ensure the normal tracking work of the solar tracking support in the normal environment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a photovoltaic power generation system including a solar tracking rack as described above, the photovoltaic power generation system further comprising:
the signal acquisition device is a meteorological monitoring system or a wind speed sensor, is configured to acquire a wind speed signal, and sends out an early warning signal when the wind speed signal exceeds a preset value; and
and the tracking controller is in communication connection with the signal acquisition device and controls the state of the locking assembly according to the received early warning signal.
The invention has the beneficial effects that:
the invention provides a solar tracking support, which is characterized in that a locking assembly is arranged, the locking assembly can be switched between a locking state and an unlocking state according to the operation mode of the solar tracking support, when the locking assembly is in the locking state, the locking assembly locks an installation beam, the installation beam is prevented from generating wind-induced vibration under the condition of strong wind, the structural strength and the torsion resistance of the installation beam are improved, the stability of the installation beam under the condition of strong wind is improved, the wind resistance of the solar tracking support under the condition of strong wind is enhanced, and the service life of the solar tracking support is prolonged. When the locking assembly is in an unlocking state, the locking assembly loosens the mounting cross beam, and normal tracking work of the mounting cross beam in a normal environment is guaranteed.
The invention also provides a wind resisting method of the solar tracking support, the solar tracking support is adopted for resisting wind, when the solar tracking support is in a wind resisting mode, the mounting cross beam is rotated to a wind sheltering position, and then the mounting cross beam is locked by the locking assembly, so that the mounting cross beam is in a locking state, the mounting cross beam is prevented from generating wind-induced vibration under the condition of strong wind, the structural strength and the torsion resistance of the mounting cross beam are improved, the stability of the mounting cross beam under the condition of strong wind is improved, the wind resisting capability of the solar tracking support under the condition of strong wind is enhanced, and the service life of the solar tracking support is prolonged. When the solar tracking support is in a normal operation mode, the locking assembly loosens the mounting cross beam, so that normal tracking work of the solar tracking support is guaranteed.
The invention also provides a photovoltaic power generation system, and by applying the solar tracking support, the wind-induced vibration of the mounting cross beam under the condition of strong wind is avoided, and the structural strength and the torsion resistance of the mounting cross beam are improved, so that the stability of the mounting cross beam under the condition of strong wind is improved, the wind resistance of the solar tracking support under the condition of strong wind is enhanced, and the service life of the solar tracking support is prolonged. And the normal tracking work of the solar tracking bracket can be ensured under the normal environment.
Drawings
Fig. 1 is a schematic structural diagram of a solar tracking support according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a connection relationship of a photovoltaic power generation system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a solar tracking support provided in the second embodiment of the present invention;
fig. 4 is a schematic structural view of a mounting cross member in an unlocked state according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a mounting beam in a locked state according to a second embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a solar tracking support according to a third embodiment of the present invention;
fig. 7 is a front view of a mounting beam in an unlocked state as provided by a third embodiment of the present invention;
FIG. 8 is a side view of a mounting beam in an unlocked position as provided by a third embodiment of the present invention;
FIG. 9 is a schematic structural diagram of a mounting beam in a locked state according to a third embodiment of the present invention;
fig. 10 is a side view of a mounting beam in an unlocked state as provided by the fourth embodiment of the present invention.
In the figure:
100. a solar tracking support; 200. a signal acquisition device; 300. a tracking controller; 400. a rotation driving mechanism;
1. supporting the upright post; 11. a first fixing pin;
2. rotating the main shaft;
3. mounting a cross beam; 31. a second fixing hole;
4. a locking assembly; 41. a first pull cord; 42. locking the oblique beam; 421. a first fixing hole; 43. a drive member; 431. a second winding device; 432. a second pull cord; 44. locking the bracket; 441. locking the cross beam; 442. locking the vertical rod; 4421. a second fixing pin; 443. locking the diagonal rod; 45. a rotary electric machine.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are used based on the orientations and positional relationships shown in the drawings only for convenience of description and simplification of operation, and do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
As shown in fig. 1, the present embodiment provides a solar tracking support 100 for supporting and fixing a photovoltaic module, and the solar tracking support 100 can be applied to various photovoltaic power station scenes, such as a flat ground photovoltaic power station and a water surface piling photovoltaic power station, and has high versatility. Specifically, this solar energy tracking support 100 includes rotation main shaft 2, a plurality of support posts 1 and a plurality of installation crossbeam 3, wherein, rotation main shaft 2 extends along first direction (X direction in fig. 1), a plurality of support posts 1 are arranged along X direction interval, support posts 1's one end is fixed on the base, support posts 1's the other end and rotation main shaft 2 rotate to be connected, a plurality of support posts 1 support rotation main shaft 2 jointly, a plurality of installation crossbeams 3 are along X direction and interval setting side by side, installation crossbeam 3 is fixed on rotation main shaft 2, installation crossbeam 3 is used for supporting fixed photovoltaic module. It should be noted that the length of the plurality of mounting beams 3 arranged at intervals along the X direction can be set according to the overall length of the photovoltaic module assembly.
In addition, as shown in fig. 2, this embodiment further provides a photovoltaic power generation system, including the above-mentioned solar tracking support 100, this photovoltaic power generation system further includes a rotation driving mechanism 400 and a tracking controller 300, wherein, the tracking controller 300 can detect the irradiation angle of the sunlight, the rotation driving mechanism 400 is electrically connected with the tracking controller 300, the rotation driving mechanism 400 is connected with the rotation main shaft 2 in the solar tracking support 100, the tracking controller 300 can control the rotation driving mechanism 400 to drive the rotation main shaft 2 to rotate relative to the support upright 1, the rotation main shaft 2 rotates to drive a plurality of installation beams 3 to rotate together, thereby a plurality of installation beams 3 rotate to drive the photovoltaic module to rotate, it can be ensured that the sunlight can irradiate on the photovoltaic module perpendicularly all the time, thereby the power generation efficiency of the photovoltaic module is improved.
Preferably, as shown in fig. 1, the mounting beam 3 is fixed to the rotating main shaft 2 at a middle position, so that the mounting beam 3 can cross over the rotating main shaft 2, thereby ensuring the stability of the mounting beam 3 fixed to the rotating main shaft 2 and also improving the stability of the mounting beam 3 for supporting the photovoltaic module.
When the solar tracking support 100 is in extreme windy weather, strong wind can blow the mounting beam 3, so that the mounting beam 3 generates wind-induced vibration. As the photovoltaic module is larger and larger, the length of the mounting beam 3 is longer and longer, and in extreme windy weather, the mounting beam 3 is likely to be blown by strong wind to rotate around the rotating main shaft 2 quickly, so that the structure of the solar tracking support 100 is disabled or even damaged. With the development of the technology, some solar tracking supports 100 are provided with an electric pinning device on a driving swing arm of the rotating main shaft 2, so that the rotation of the rotating main shaft 2 is restrained, and the wind resistance is achieved, but the mounting cross beam 3 still can generate certain wind-induced vibration under the action of strong wind, and the wind resistance effect is reduced.
In order to solve the above problem, as shown in fig. 1, the solar tracking support 100 provided in this embodiment further includes a locking assembly 4, the locking assembly 4 can be switched between a locked state and an unlocked state according to an operation mode of the solar tracking support 100, wherein when the locking assembly 4 is in the locked state, the locking assembly 4 locks the mounting beam 3, so that the mounting beam 3 is in the locked state, thereby preventing the mounting beam 3 from generating wind-induced vibration under a strong wind condition, improving the structural strength and the torsional resistance of the mounting beam 3, improving the stability of the mounting beam 3 under the strong wind condition, enhancing the wind resistance of the solar tracking support 100 under the strong wind condition, and prolonging the service life of the solar tracking support 100. In addition, when locking Assembly 4 is in the unblock state, locking Assembly 4 loosens installation crossbeam 3, guarantees that installation crossbeam 3 is in normal rotation work under normal environment.
The embodiment also provides a wind-resistant method for the solar tracking support, the solar tracking support 100 is adopted for wind resistance, and the wind-resistant method for the solar tracking support comprises the following steps:
when the solar tracking support 100 is in the wind-resistant mode, the mounting beam 3 rotates to the wind-sheltering position, and the locking assembly 4 locks the mounting beam 3.
When solar tracking rack 100 is in the normal operating mode, locking assembly 4 releases mounting beam 3.
In addition, the wind resisting method for the solar tracking bracket further comprises the following steps:
and receiving the early warning signal of the weather forecast or the wind speed sensor, and locking the locking assembly 4 in a locking state and locking the mounting cross beam 3.
After the early warning signal is finished, the locking assembly 4 is in an unlocking state and loosens the mounting cross beam 3.
Preferably, as shown in fig. 2, the photovoltaic power generation system provided by this embodiment further includes a signal acquisition device 200, the signal acquisition device 200 is configured to acquire a wind speed signal, when the wind speed signal exceeds a preset value, the signal acquisition device 200 sends an early warning signal, the tracking controller 300 is further connected to the signal acquisition device 200 in a communication manner, and the tracking controller 300 controls the locking assembly 4 to be in a locking state according to the received early warning signal.
Specifically, the signal collecting device 200 may be a meteorological monitoring system or a wind speed sensor, when the meteorological monitoring system or the wind speed sensor sends out an early warning signal, the tracking controller 300 first controls the rotation driving mechanism 400 to drive the rotation main shaft 2 to rotate relative to the support upright 1, so that the mounting cross beam 3 drives the photovoltaic module to be in a wind-sheltering position, for example, a horizontal position, and then the tracking controller 300 controls the locking assembly 4 to lock the mounting cross beam 3 in the wind-sheltering position, so that the mounting cross beam 3 is in a locked state. When the meteorological monitoring system or the wind speed sensor finishes the early warning signal, the tracking controller 300 controls the locking assembly 4 to release the locking of the mounting beam 3, so that the mounting beam 3 is in an unlocked state, and the normal tracking rotation of the solar tracking support 100 to sunlight is ensured.
Preferably, as shown in fig. 1, the locking assemblies 4 are arranged on the partial mounting beam 3, and the mounting beams 3 provided with the locking assemblies 4 are arranged at equal intervals along the X direction. This mode of setting up only need set up locking Assembly 4 on partial installation crossbeam 3 can guarantee that each installation crossbeam 3 all can be in the locking state for the wind-resistant effect of whole solar energy tracking support 100 along each position of X direction extension is equal, has also reduced the anti-wind cost. It should be noted that the number of locking assemblies 4 and the distance of the spacing of the mounting beams 3 provided with locking assemblies 4 can be designed according to the local specific situation.
In this embodiment, as shown in fig. 1, one end of the locking component 4 is connected with the mounting beam 3, the other end of the locking component 4 is connected with the foundation, and the locking component 4 can lock and fix two ends of the mounting beam 3 on the foundation, so that the locking component 4 can stably lock two ends of the mounting beam 3 on the foundation in a locking state, and the structural strength and the torsional resistance of the mounting beam 3 can be improved by using the minimum amount of materials, thereby preventing the mounting beam 3 from generating wind-induced vibration in a windy state.
In this embodiment, as shown in fig. 1, the locking assembly 4 includes a first winding device and a first pulling rope 41, wherein the first winding device is disposed on the installation beam 3, the two ends of the installation beam 3 are both connected with the first pulling rope 41, the two first pulling ropes 41 are respectively released to the ground from the two ends of the installation beam 3 and are fixed to the ground, the two first pulling ropes 41 are wound on the first winding device, and the first winding device can simultaneously wind the two first pulling ropes 41 to tension the two first pulling ropes 41. When a meteorological monitoring system or a wind speed sensor sends out an early warning signal, the tracking controller 300 controls the rotary driving mechanism 400 to drive the rotary main shaft 2 to rotate relative to the supporting upright post 1, so that the mounting cross beam 3 drives the photovoltaic assembly to be in a wind-sheltering position, then the tracking controller 300 controls the first winding device to start, the first winding device continuously winds the first traction rope 41, the first traction rope 41 at two ends of the mounting cross beam 3 is gradually tightened with the foundation, then the first winding device winds to reach a preset stroke and then automatically locks, at the moment, the first traction rope 41 provides required tension towards the foundation direction for two ends of the mounting cross beam 3, so that the first traction rope 41 provides powerful supporting and locking for two ends of the mounting cross beam 3, and the mounting cross beam 3 is guaranteed to effectively resist wind-induced vibration caused by extreme strong wind. When the weather forecast or the early warning signal of the wind speed sensor is over, the tracking controller 300 controls the first winding device to release the first pulling rope 41, and after the first pulling rope 41 is released, the first pulling rope 41 is ensured to have enough length, so that the solar tracking support 100 can be ensured to be normally operated.
Particularly, first coiling mechanism can be the hoist engine, and the hoist engine has small, light in weight's advantage, can reduce the bearing burden of installation crossbeam 3 to the hoist engine. In addition, the winch also has the advantages of stable work and accurate and reliable transmission. First haulage rope 41 can be wire rope, and wire rope has dead weight light in weight, bears factor of safety big, has higher tensile strength and fatigue strength's advantage, has improved first haulage rope 41's life and operational reliability.
In addition, it should be noted that the winch is an electric control device, which can realize program control and instruction control of the winch, and the tracking controller 300 can realize control of the winch, thereby improving the automation degree of the whole photovoltaic power generation system.
Example two
The structure of the solar tracking support 100 disclosed in this embodiment is substantially the same as that of the first embodiment, and the difference between the solar tracking support 100 disclosed in this embodiment and the first embodiment is as follows:
as shown in fig. 3, the locking assembly 4 can support and lock the two ends of the mounting beam 3 to the supporting columns 1, so that the locking assembly 4 provides reliable supporting function for the two ends of the mounting beam 3 in a locked state, the structural strength and the torsional resistance of the mounting beam 3 can be improved by using the least amount of materials, and the mounting beam 3 is prevented from generating wind-induced vibration in a strong wind state.
Specifically, as shown in fig. 4 to 5, the locking assembly 4 provided in this embodiment includes the locking sloping beam 42, the two ends of the installation beam 3 are both hinged with the locking sloping beam 42, the free end of the locking sloping beam 42 is provided with a first fixing hole 421, the support column 1 is correspondingly provided with a first fixing pin 11, the first fixing pin 11 can penetrate and be fixed in the corresponding first fixing hole 421, so that the installation beam 3, the two locking sloping beams 42 and the support column 1 form a triangular support structure on both sides of the support column 1. When the installation crossbeam 3 is in a locking state, the two ends of the installation crossbeam 3 and the support upright posts 1 form a stable triangular support structure, the locking support effect of the locking oblique beam 42 on the installation crossbeam 3 is improved, the torsional strength of the rotary main shaft 2 is effectively improved, the wind-induced vibration of the installation crossbeam 3 is reduced, and meanwhile, the overall structural stability and structural strength of the whole solar tracking support 100 are greatly improved.
It should be noted that the angle of the first fixing pin 11 on the support pillar 1 is determined according to the angle of the free end of the locking oblique beam 42 approaching the support pillar 1, and the length of the first fixing pin 11 is determined according to the depth of the first fixing hole 421, as long as the first fixing pin 11 can penetrate through the first fixing hole 421.
It should be noted that, in other embodiments, the first fixing pin 11 may be further disposed at the free end of the locking oblique beam 42, and the first fixing hole 421 is correspondingly disposed on the support upright 1, as long as it is ensured that the free end of the locking oblique beam 42 can be connected and fixed with the support upright 1.
In addition, as shown in fig. 4, the locking assembly 4 further includes an actuating member 43, the actuating member 43 is disposed on the locking oblique beam 42, and the actuating member 43 can drive the locking oblique beam 42 to rotate around a hinge point with the end of the mounting cross beam 3, so that the first fixing pin 11 is fixed in the first fixing hole 421. By arranging the driving part 43, the automation degree of the locking assembly 4 is improved, and the operation is more convenient.
Referring to fig. 4, a specific structure of the driving member 43 will be described, wherein the driving member 43 includes a second winding device 431 and a second traction rope 432, the second winding device 431 is disposed on the locking stringer 42, one end of the second traction rope 432 is connected to the second winding device 431, and the other end of the second traction rope 432 passes through the first fixing hole 421 and is connected to the first fixing pin 11. When the installation crossbeam 3 needs to be locked, the second winding device 431 winds the second traction rope 432, the second traction rope 432 is continuously wound, the locking oblique beam 42 rotates around a hinge point of the end part of the installation crossbeam 3 until the first fixing pin 11 penetrates and is fixed in the first fixing hole 421, at the moment, the second traction rope 432 is tensioned, and the second winding device 431 reaches a preset stroke to realize locking, so that the stability of supporting and locking the installation crossbeam 3 by the locking oblique beam 42 is ensured. When the installation beam 3 needs to be unlocked, the second winding device 431 releases the second pulling rope 432, so that the second pulling rope 432 is in a relaxed state, and along with the release of the second pulling rope 432 and the self weight of the locking oblique beam 42, the first fixing hole 421 automatically slides out of the first fixing pin 11, so that the installation beam 3 is unlocked. It should be noted that, after the second pulling rope 423 is released, it is necessary to ensure that the second pulling rope 432 has a sufficient length to ensure that the solar tracking support 100 can resume normal operation.
Specifically, the second winding device 431 may be a mini-winch, which has the advantages of small size and light weight, and can reduce the load of the locking oblique beam 42 on the mini-winch. In addition, the miniature winch also has the advantages of stable operation and accurate and reliable transmission. The second hauling rope 432 can be a steel wire rope, the steel wire rope has the advantages of light self-weight, large bearing safety coefficient, higher tensile strength and fatigue resistance, and the service life and the working reliability of the second hauling rope 432 are improved.
In addition, it should be noted that the micro-winch is an electric control device, which can realize program control and instruction control of the micro-winch, and the tracking controller 300 can realize control of the micro-winch, thereby improving the automation degree of the whole photovoltaic power generation system.
EXAMPLE III
The structure of the solar tracking support 100 disclosed in this embodiment is substantially the same as that of the second embodiment, and the difference between the solar tracking support 100 disclosed in this embodiment and the second embodiment is as follows:
as shown in fig. 6, the locking assembly 4 is of a different construction.
Specifically, as shown in fig. 7 to 9, the locking assembly 4 provided in this embodiment includes a rotary motor 45 and a locking bracket 44, the rotary motor 45 is disposed on the supporting column 1, the locking bracket 44 is in transmission connection with the rotary motor 45, second fixing pins 4421 are disposed at two ends of the locking bracket 44, second fixing holes 31 are disposed at two ends of the mounting beam 3, the rotary motor 45 can rotate for driving the locking bracket 44, so that the second fixing pins 4421 are inserted and fixed in the second fixing holes 31, and it is ensured that the locking assembly 4 supports and locks two ends of the mounting beam 3 on the supporting column 1.
Specifically, when the mounting cross beam 3 needs to be locked, the rotary motor 45 drives the locking bracket 44 to rotate relative to the support column 1 until the second fixing pins 4421 on the two ends of the locking bracket 44 are inserted and fixed in the second fixing holes 31, and at this time, the rotary motor 45 is stopped and locked, so as to ensure the stability of the locking bracket 44. When the mounting cross beam 3 needs to be unlocked, the rotary motor 45 drives the locking bracket 44 to rotate reversely relative to the support upright 1, so that the second fixing pins 4421 on the two ends of the locking bracket 44 are separated from the second fixing holes 31, and the locking bracket 44 unlocks the mounting cross beam 3.
It should be noted that, in other embodiments, the second fixing pins 4421 may be disposed at two ends of the mounting beam 3, and the second fixing holes 31 are disposed at two ends of the locking bracket 44, as long as it is ensured that the two ends of the mounting beam 3 can be connected and fixed with two ends of the locking bracket 44.
In addition, it should be noted that the rotary motor 45 is an electric control device, which can realize program control and instruction control of the rotary motor 45, and realize control of the rotary motor 45 through the tracking controller 300, thereby improving the automation degree of the whole photovoltaic power generation system.
Preferably, as shown in fig. 9, when the mounting beam 3 is in the locked state, the locking bracket 44 is perpendicular to the rotating main shaft 2, and both ends of the locking bracket 44 are just opposite to both ends of the mounting beam 3. As shown in fig. 7 and 8, when the mounting cross beam 3 is in the unlocked state, the rotation motor 45 can drive the locking bracket 44 to be located at a position parallel to the rotation main shaft 2, so as to avoid interference of the locking bracket 44 on the tracking operation of the solar tracking bracket 100, thereby ensuring that the solar tracking bracket 100 can be restored to normal operation.
Referring to fig. 8 and 9, the specific structure of the locking bracket 44 will be described, wherein the locking bracket 44 includes a locking beam 441 and a locking upright 442, the locking beam 441 is drivingly connected to the rotary motor 45, the locking upright 442 is connected to both ends of the locking beam 441, and a second fixing pin 4421 is disposed at a free end of the locking upright 442. It should be noted that, in this embodiment, the middle position of the locking beam 441 is in transmission connection with the rotation motor 45, so as to ensure that the locking beam 441 rotates more stably. It should be noted that the height of the locking vertical rod 442 may be a fixed height, or may be a structure with adjustable height, so as to adapt to the supporting and fixing of the installation beam 3 with different specifications or different inclination angles. Specifically, the locking upright 442 may be a hydraulic, pneumatic, or other form of lifting rod.
Example four
The structure of the solar tracking support 100 disclosed in this embodiment is substantially the same as that of the third embodiment, and the solar tracking support 100 disclosed in this embodiment is different from that of the third embodiment in that: the locking bracket 44 is of a different construction.
As shown in fig. 10, the locking bracket 44 of the present embodiment includes two sets of locking diagonal rods 443, the two sets of locking diagonal rods 443 are respectively located at two sides of the supporting upright 1, one end of the locking diagonal rod 443 is in transmission connection with the rotary motor 45, and the other end of the locking diagonal rod 443 is provided with a second fixing pin 4421. When the second fixing pin 4421 is inserted and fixed in the second fixing hole 31, the mounting cross beam 3, the two sets of locking diagonal rods 443 and the support column 1 form a triangular support structure on both sides of the support column 1. Effectively improve the support intensity of locking support 44 to installation crossbeam 3, reduce the wind-induced vibration of installation crossbeam 3, also improve whole solar energy tracking support 100 holistic structural stability and structural strength simultaneously by a wide margin. In addition, the locking bracket 44 can realize the supporting and locking of the mounting cross beam 3 through the two locking inclined rods 443, the used material is less, and the cost is further reduced.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (13)
1. A solar tracking support comprises a rotating main shaft (2), a plurality of supporting columns (1) and a mounting cross beam (3), wherein the rotating main shaft (2) extends along a first direction, the supporting columns (1) are arranged at intervals along the first direction and jointly support the rotating main shaft (2), the supporting columns (1) are connected with the rotating main shaft (2) in a rotating mode, and the mounting cross beam (3) is fixed on the rotating main shaft (2) and used for fixing a photovoltaic module, and is characterized by further comprising:
a locking assembly (4) configured to switch between a locked state and an unlocked state depending on the operational mode of the solar tracking support, wherein the locking assembly (4) locks the mounting beam (3) when the locking assembly (4) is in the locked state; when the locking assembly (4) is in the unlocked state, the locking assembly (4) releases the mounting beam (3).
2. The solar tracking support according to claim 1, wherein the mounting beams (3) are provided in plurality, the mounting beams (3) are arranged side by side and at intervals along the first direction, the locking assemblies (4) are arranged on some of the mounting beams (3), and the mounting beams (3) provided with the locking assemblies (4) are arranged at equal intervals along the first direction.
3. Solar tracking support according to any of claims 1-2, characterized in that one end of the locking assembly (4) is connected to the mounting beam (3) and the other end of the locking assembly (4) is connected to the foundation or the supporting upright (1).
4. Solar tracking support according to claim 3, characterized in that the locking assembly (4) comprises:
a first winding device; and
a first hauling rope (41), the first hauling rope (41) connected with two ends of the mounting cross beam (3) is released from two ends of the mounting cross beam (3) to the foundation and is fixed with the foundation, and the first rolling device is configured to roll the first hauling rope (41) to tension the first hauling rope (41).
5. Solar tracking support according to claim 3, characterized in that the locking assembly (4) comprises:
locking sloping (42), the both ends of installation crossbeam (3) all articulate locking sloping (42), the free end of locking sloping (42) with first fixed orifices (421) have been seted up on support post (1) one of them, be provided with first fixed pin (11) on the other, first fixed pin (11) can run through to be fixed in first fixed orifices (421), so that installation crossbeam (3), two locking sloping (42) and support post (1) are in the both sides of support post (1) all form triangular support structure.
6. Solar tracking support according to claim 5, characterized in that the locking assembly (4) further comprises:
the driving piece (43) is configured to drive the locking oblique beam (42) to rotate relative to the mounting cross beam (3) so that the first fixing pin (11) penetrates through and is fixed in the first fixing hole (421).
7. Solar tracking support according to claim 6, characterized in that the drive (43) comprises:
a second winding device (431) arranged on the locking oblique beam (42); and
one end of the second traction rope (432) is connected with the second winding device (431), and the other end of the second traction rope (432) penetrates through the first fixing hole (421) to be connected with the first fixing pin (11).
8. Solar tracking support according to claim 3, characterized in that the locking assembly (4) comprises:
a rotary motor (45) arranged on the support column (1); and
the locking support (44) is in transmission connection with the rotary motor (45), a second fixing hole (31) is formed in one of the two ends of the locking support (44) and the two ends of the mounting cross beam (3), a second fixing pin (4421) is arranged on the other end of the locking support, and the rotary motor (45) is configured to be capable of driving the locking support (44) to rotate so that the second fixing pin (4421) is inserted and fixed in the second fixing hole (31).
9. The solar tracking rack according to claim 8, wherein the locking rack (44) comprises:
the locking cross beam (441) is in transmission connection with the rotary motor (45); and
the locking device comprises a locking vertical rod (442), wherein the two ends of the locking cross beam (441) are connected with the locking vertical rod (442), and the free end of the locking vertical rod (442) is provided with a second fixing pin (4421).
10. The solar tracking support according to claim 8, characterized in that the locking support (44) comprises two sets of locking diagonal rods (443), the two sets of locking diagonal rods (443) are respectively located at both sides of the support upright (1), one end of the locking diagonal rods (443) is in transmission connection with the rotary motor (45), and the other end of the locking diagonal rods (443) is provided with the second fixing pin (4421).
11. A method for resisting wind by using the solar tracking bracket according to any one of claims 1 to 10, wherein the method for resisting wind by using the solar tracking bracket comprises the following steps:
when the solar tracking support is in a wind-resistant mode, the mounting cross beam (3) rotates to a wind-sheltering position, and the locking assembly (4) locks the mounting cross beam (3);
when the solar tracking support is in a normal operation mode, the locking assembly (4) releases the mounting cross beam (3).
12. The solar tracking rack wind-resistant method according to claim 11, further comprising:
receiving an early warning signal of a weather forecast or a wind speed sensor, wherein the locking component (4) is in the locking state and locks the mounting cross beam (3);
and when the early warning signal is finished, the locking assembly (4) is in the unlocking state and loosens the mounting cross beam (3).
13. A photovoltaic power generation system comprising the solar tracking rack of any one of claims 1-10, the photovoltaic power generation system further comprising:
the wind speed monitoring system comprises a signal acquisition device (200), wherein the signal acquisition device (200) is a meteorological monitoring system or a wind speed sensor, the signal acquisition device (200) is configured to acquire a wind speed signal, and when the wind speed signal exceeds a preset value, the signal acquisition device (200) sends out an early warning signal; and
and the tracking controller (300) is in communication connection with the signal acquisition device (200), and the tracking controller (300) controls the state of the locking assembly (4) according to the received early warning signal.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111100970.5A CN115840470A (en) | 2021-09-18 | 2021-09-18 | Photovoltaic power generation system, solar tracking support and wind resistance method thereof |
| PCT/CN2022/096587 WO2023040359A1 (en) | 2021-09-18 | 2022-06-01 | Photovoltaic power generation system, solar tracking support frame, and anti-wind method therefor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111100970.5A CN115840470A (en) | 2021-09-18 | 2021-09-18 | Photovoltaic power generation system, solar tracking support and wind resistance method thereof |
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| Publication Number | Publication Date |
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| CN115840470A true CN115840470A (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111100970.5A Pending CN115840470A (en) | 2021-09-18 | 2021-09-18 | Photovoltaic power generation system, solar tracking support and wind resistance method thereof |
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| Country | Link |
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| CN (1) | CN115840470A (en) |
| WO (1) | WO2023040359A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117294233A (en) * | 2023-11-27 | 2023-12-26 | 江苏国强兴晟能源科技有限公司 | Tracking system of photovoltaic support |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116488551B (en) * | 2023-04-24 | 2023-11-21 | 榆林环科实业有限公司 | Pipe rack structure with solar panel |
| CN117691932B (en) * | 2024-02-01 | 2024-04-26 | 山西晋南钢铁集团有限公司 | Photovoltaic board installing support that can follow |
| CN118508846B (en) * | 2024-07-17 | 2024-09-20 | 忻州格林贝斯新能源装备制造有限公司 | Photovoltaic solar equipment with convenient support installation |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8381464B2 (en) * | 2003-04-02 | 2013-02-26 | P4P Holdings Llc | Solar array support methods and systems |
| CN201467018U (en) * | 2009-07-06 | 2010-05-12 | 武汉耀晶光电科技有限公司 | Novel deadweight-driven sun-tracking device |
| CN102299665A (en) * | 2011-08-17 | 2011-12-28 | 青岛哈工太阳能股份有限公司 | solar tracking control system based on dsPIC30F4013 |
| CN204425253U (en) * | 2015-01-31 | 2015-06-24 | 广东大粤新能源科技股份有限公司 | A kind of wind resistant support structure |
| CN104660160B (en) * | 2015-02-26 | 2016-09-07 | 吴宣湖 | Double-deck solar tracking photovoltaic power generation apparatus |
| CN105656420A (en) * | 2015-05-20 | 2016-06-08 | 洛阳泰宏机械设备有限公司 | Wind-resistance solar photovoltaic support |
| US10305418B2 (en) * | 2016-09-01 | 2019-05-28 | Sunpower Corporation | Torque tube coupler |
| CN108667398A (en) * | 2017-04-01 | 2018-10-16 | 青岛中科煜成安全技术有限公司 | Rotatable solar panels holder |
| CN107256035B (en) * | 2017-06-19 | 2020-06-26 | 西安理工大学 | Electric pinning device for wind resistance of single-shaft photovoltaic tracking support and control method thereof |
| CN212518869U (en) * | 2020-02-13 | 2021-02-09 | 深圳市安泰科能源环保有限公司 | Photovoltaic support and photovoltaic power generation device |
| CN113037200B (en) * | 2021-03-26 | 2022-08-12 | 西安理工大学 | Hydraulic locking wind-resistant control system for double one-way electromagnetic valves of single-shaft photovoltaic tracker |
-
2021
- 2021-09-18 CN CN202111100970.5A patent/CN115840470A/en active Pending
-
2022
- 2022-06-01 WO PCT/CN2022/096587 patent/WO2023040359A1/en unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117294233A (en) * | 2023-11-27 | 2023-12-26 | 江苏国强兴晟能源科技有限公司 | Tracking system of photovoltaic support |
| CN117294233B (en) * | 2023-11-27 | 2024-01-30 | 江苏国强兴晟能源科技有限公司 | Tracking system of photovoltaic support |
Also Published As
| Publication number | Publication date |
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| WO2023040359A1 (en) | 2023-03-23 |
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