Photovoltaic support tracker execution mechanism and photovoltaic power generation system

Abstract

The utility model aims to disclose a photovoltaic support tracker actuating mechanism and a photovoltaic power generation system, which relate to the technical field of photovoltaic tracking supports and comprise a main beam, a first upright post, a second upright post, a first cross beam, a second cross beam, a first swing assembly and a second swing assembly, the first swing assembly comprises a first telescopic arm and a second telescopic arm, and the telescopic directions of the first telescopic arm and the second telescopic arm are opposite. The first swing assembly comprises a first telescopic arm and a second telescopic arm, the second swing assembly comprises a third telescopic arm and a fourth telescopic arm, and the telescopic directions of the third telescopic arm and the fourth telescopic arm are opposite. And the second side of the main beam is driven by the second telescopic arm and the fourth telescopic arm, namely, the two sides of the main beam have driving force and are opposite in driving direction, the executing mechanism is stressed more uniformly, the borne torque is small and more stable, and the service life of the executing mechanism is greatly prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of photovoltaic tracking brackets, in particular to a photovoltaic bracket tracker actuator and a photovoltaic power generation system. Background Art

[0002] When developing large-scale photovoltaic power stations, various places promote the use of automatic tracking photovoltaic brackets. The existing tracker drive mechanisms mainly include rotary reducer drive or single-sided push rod device drive.

[0003] When the existing tracker drive actuator is driven by a single-sided push rod device, the force point of the push rod device is a one-way output, the torque applied to the push rod device is high, and the service life of the push rod device will be greatly reduced.

[0004] In view of this, there is an urgent need to develop a photovoltaic support tracker actuator and a photovoltaic power generation system to overcome the above-mentioned defects. Summary of the Invention

[0005] In order to solve the above technical problems, the purpose of the present utility model is to disclose a photovoltaic support tracker actuator and a photovoltaic power generation system.

[0006] The first invention objective of the present utility model is to provide an actuator for a photovoltaic support tracker.

[0007] The second object of the present invention is to provide a photovoltaic power generation system.

[0008] To achieve the above first invention objective, the present invention provides a photovoltaic support tracker actuator, comprising a main beam, a first column, a second column, a first crossbeam, a second crossbeam, a first swing assembly, and a second swing assembly;

[0009] The first end of the main beam is rotatably supported on the first column, and the second end of the main beam is rotatably supported on the second column;

[0010] The first cross beam is perpendicular to the main beam and close to the first end of the main beam, and the second cross beam is perpendicular to the main beam and close to the second end of the main beam;

[0011] The first swing assembly includes a first telescopic arm and a second telescopic arm, the first telescopic arm drives the first end of the first beam to swing, and the second telescopic arm drives the second end of the first beam to swing, and the telescopic directions of the first telescopic arm and the second telescopic arm are opposite;

[0012] The second swing assembly includes a third telescopic arm and a fourth telescopic arm. The third telescopic arm drives the first end of the second beam to swing, and the fourth telescopic arm drives the second end of the second beam to swing. The telescopic directions of the third telescopic arm and the fourth telescopic arm are opposite.

[0013] Preferably, a first bracket is provided on the first column, and the first bracket is provided with a first U-shaped groove and a second U-shaped groove;

[0014] The bottom end of the first telescopic arm is hinged to the first U-shaped groove through a first pin, and the top end of the first telescopic arm is hinged to the first end of the first crossbeam through a second pin;

[0015] The bottom end of the second telescopic arm is hinged to the second U-shaped groove through a third pin shaft, and the top end of the second telescopic arm is hinged to the second end of the first beam through a fourth pin shaft.

[0016] Preferably, a first power shaft is provided at the bottom end of the first telescopic arm, and a second power shaft is provided at the bottom end of the second telescopic arm, and the first power shaft and the second power shaft are connected via a universal joint.

[0017] Preferably, the first power shaft drives the first telescopic arm to extend and retract via a worm-gear screw lifting mechanism;

[0018] The second power shaft drives the second telescopic arm to extend and retract through a worm gear screw lifting mechanism.

[0019] Preferably, a second bracket is provided on the second column, and a third U-shaped groove and a fourth U-shaped groove are provided on the second bracket;

[0020] The bottom end of the third telescopic arm is hinged to the third U-shaped groove through a fifth pin, and the top end of the third telescopic arm is hinged to the first end of the second crossbeam through a sixth pin;

[0021] The bottom end of the fourth telescopic arm is hinged to the fourth U-shaped groove through a seventh pin, and the top end of the fourth telescopic arm is hinged to the second end of the second beam through an eighth pin.

[0022] Preferably, a third power shaft is provided at the bottom end of the third telescopic arm, a fourth power shaft is provided at the bottom end of the fourth telescopic arm, and the third power shaft and the fourth power shaft are connected via a universal joint.

[0023] Preferably, the third power shaft drives the third telescopic arm to extend and retract via a worm-gear screw lifting mechanism;

[0024] The fourth power shaft drives the fourth telescopic arm to extend and retract through a worm gear screw lifting mechanism.

[0025] Preferably, the first swing assembly and the second swing assembly swing synchronously.

[0026] Preferably, when the first crossbeam and the second crossbeam are in a horizontal state, the first swing assembly and the second swing assembly are in an inverted trapezoidal shape.

[0027] Based on the same utility model principle, in order to achieve the above-mentioned second invention purpose, the utility model provides a photovoltaic power generation system, which is composed of a plurality of photovoltaic modules, and each of the photovoltaic modules is provided with a photovoltaic bracket tracker actuator as described in the first invention.

[0028] Compared with the prior art, the technical effects of this utility model are as follows:

[0029] The first swing assembly includes a first telescopic arm and a second telescopic arm with opposite telescopic directions, and the second swing assembly includes a third telescopic arm and a fourth telescopic arm with opposite telescopic directions. The first swing assembly and the second swing assembly move synchronously, so that the first side of the main beam is driven by the first telescopic arm and the third telescopic arm, and the second side of the main beam is driven by the second telescopic arm and the fourth telescopic arm, that is, both sides of the main beam have driving force and the driving directions are opposite. Compared with the existing unilateral push rod drive, the photovoltaic bracket tracker actuator of the utility model is more evenly stressed, the torque it receives is small and more stable, and the service life of the actuator is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0031] Figure 1 It is a three-dimensional schematic diagram of the actuator of the utility model in a horizontal state.

[0032] Figure 2 This utility model Figure 1 Schematic diagram of the enlarged structure at point A.

[0033] Figure 3 It is a three-dimensional schematic diagram of the actuator of the utility model in a swinging state.

[0034] Figure 4 It is a three-dimensional schematic diagram of the actuator of the utility model in a swinging state.

[0035] Among them, 1. Main beam; 11. First end of main beam; 12. Second end of main beam; 2. First column; 21. First bracket; 22. First U-shaped groove; 23. Second U-shaped groove; 3. Second column; 31. Second bracket; 32. Third U-shaped groove; 33. Fourth U-shaped groove; 4. First crossbeam; 41. First end of first crossbeam; 42. Second end of first crossbeam; 5. Second crossbeam; 51. First end of second crossbeam; 52. Second end of second crossbeam; 6. First swing assembly ; 61. First telescopic arm; 611. First pin; 612. Second pin; 613. First power shaft; 62. Second telescopic arm; 621. Third pin; 622. Fourth pin; 623. Second power shaft; 7. Second swing assembly; 71. Third telescopic arm; 711. Fifth pin; 712. Sixth pin; 713. Third power shaft; 72. Second telescopic arm; 721. Seventh pin; 722. Eighth pin; 723. Fourth power shaft; 8. Universal joint. DETAILED DESCRIPTION

[0036] The present invention is described in detail below with reference to the various embodiments shown in the accompanying drawings. However, it should be noted that these embodiments are not limitations of the present invention, and any equivalent transformations or substitutions in functions, methods, or structures made by ordinary technicians in this field based on these embodiments are all within the scope of protection of the present invention.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0038] Example 1

[0039] Ginseng Figures 1 to 4 As shown, this embodiment discloses a specific implementation of a photovoltaic support tracker actuator (hereinafter referred to as "actuator").

[0040] A photovoltaic support tracker actuator, Figures 1 to 4As shown, it includes a main beam 1, a first column 2, a second column 3, a first crossbeam 4, a second crossbeam 5, a first swing assembly 6 and a second swing assembly 7. The photovoltaic panel is installed above the main beam 1, the first crossbeam 4 and the second crossbeam 5; the first end 11 of the main beam is rotatably supported on the top of the first column 2, and the second end 12 of the main beam is rotatably supported on the top of the second column 3; the first crossbeam 4 is perpendicular to the main beam 1 and close to the first end 11 of the main beam, and the second crossbeam 5 is perpendicular to the main beam 1 and close to the second end 12 of the main beam; the first swing assembly 6 includes The first telescopic arm 61 and the second telescopic arm 62, the first telescopic arm 61 drives the first end 41 of the first beam to swing, the second telescopic arm 62 drives the second end 42 of the first beam to swing, and the telescopic directions of the first telescopic arm 61 and the second telescopic arm 62 are opposite; the second swing assembly 7 includes a third telescopic arm 71 and a fourth telescopic arm 72, the third telescopic arm 71 drives the first end 51 of the second beam to swing, the fourth telescopic arm 72 drives the second end 52 of the second beam to swing, and the telescopic directions of the third telescopic arm 71 and the fourth telescopic arm 72 are opposite.

[0041] Specifically, the first swing assembly 6 includes a first telescopic arm 61 and a second telescopic arm 62 with opposite telescopic directions. When the first telescopic arm 61 is extended, the second telescopic arm 62 is retracted, and when the first telescopic arm 61 is retracted, the second telescopic arm 62 is extended. The second swing assembly 7 includes a third telescopic arm 71 and a fourth telescopic arm 72 with opposite telescopic directions. When the third telescopic arm 71 is extended, the fourth telescopic arm 72 is retracted, and when the third telescopic arm 71 is retracted, the fourth telescopic arm 72 is extended. The first swing assembly 6 and the second swing assembly 7 move synchronously, so that the first side of the main beam 1 is driven by the first telescopic arm 61 and the third telescopic arm 71, and the second side of the main beam 1 is driven by the second telescopic arm 62 and the fourth telescopic arm 72, that is, both sides of the main beam 1 have driving force and the driving directions are opposite. Compared with the existing unilateral push rod drive, the photovoltaic bracket tracker actuator of the utility model is more evenly stressed, receives less torque and is more stable, and the service life of the actuator is greatly improved.

[0042] See also Figures 1 to 4, the working principle of the first swing assembly 6 is as follows: when the first crossbeam 4 and the second crossbeam 5 are in a horizontal state, the first swing assembly 6 and the second swing assembly 7 are in an inverted trapezoid, that is, the first crossbeam 4, the first telescopic arm 61 and the second telescopic arm 62 form an inverted trapezoid, and the second crossbeam 5, the third telescopic arm 71 and the fourth telescopic arm 72 form an inverted trapezoid; a first bracket 21 is provided on the first column 2, and the first bracket 21 is provided with a first U-shaped groove 22 and a second U-shaped groove 23; the bottom end of the first telescopic arm 61 is hinged to the first U-shaped groove 22 through a first pin shaft 611, and the top end of the first telescopic arm 61 is hinged to the first end 41 of the first crossbeam through a second pin shaft 612; the bottom end of the second telescopic arm 62 is hinged to the second U-shaped groove 23 through a third pin shaft 621, and the top end of the second telescopic arm 62 is hinged to the second end 42 of the first crossbeam through a fourth pin shaft 622; the bottom end of the first telescopic arm 61 is provided with a first power shaft 613, and the bottom end of the second telescopic arm 62 is provided with a second The power shaft 623, the first power shaft 613 and the second power shaft 623 are connected by a universal joint 8; the first power shaft drives the first telescopic arm 61 to extend and retract through a worm gear screw lifting mechanism; the second power shaft 623 drives the second telescopic arm 62 to extend and retract through a worm gear screw lifting mechanism; a driving force is set for the first power shaft 613 or the second power shaft 623, such as a motor, and under the action of the universal joint 8, the first power shaft 613 and the second power shaft 623 rotate synchronously, and the first power shaft 613 and the second power shaft 623 are set with threads in opposite directions; when the driving force is forward, the first telescopic arm 61 is extended and the second telescopic arm 62 is retracted through the worm gear screw lifting mechanism; when the driving force is reversed, the first telescopic arm 61 is retracted and the second telescopic arm 62 is extended through the worm gear screw lifting mechanism, thereby realizing the synchronous driving of the photovoltaic panels to swing on both sides, the actuator is more evenly stressed, the torque received is small and more stable, and the service life of the actuator is greatly improved.

[0043] See also Figures 1 to 4The working principle of the second swing assembly 7 is the same as that of the first swing assembly 6, specifically as follows: a second bracket 31 is provided on the second column 3, and a third U-shaped groove 32 and a fourth U-shaped groove 33 are provided on the second bracket 31; the bottom end of the third telescopic arm 71 is hinged to the third U-shaped groove 32 through a fifth pin 711, and the top end of the third telescopic arm 71 is hinged to the first end 51 of the second crossbeam through a sixth pin 712; the bottom end of the fourth telescopic arm 72 is hinged to the fourth U-shaped groove 33 through a seventh pin 721, and the top end of the fourth telescopic arm 72 is hinged to the second end 52 of the second crossbeam through an eighth pin 722; a third power shaft 713 is provided at the bottom end of the third telescopic arm 71, and a fourth power shaft 723 is provided at the bottom end of the fourth telescopic arm 72, and the third power shaft 713 and the fourth power shaft 723 are connected through a universal joint; the third power shaft 7 13 drives the third telescopic arm 71 to extend and retract through a worm-gear screw lifting mechanism; the fourth power shaft 723 drives the fourth telescopic arm 72 to extend and retract through a worm-gear screw lifting mechanism; a driving force is set for the third power shaft 713 or the fourth power shaft 723, such as a motor, and under the action of the universal joint 8, the third power shaft 713 and the fourth power shaft 723 rotate synchronously, and the third power shaft 713 and the fourth power shaft 723 are provided with threads in opposite directions; when the driving force is forward, the third telescopic arm 71 is extended and the fourth telescopic arm 72 is retracted through the worm-gear screw lifting mechanism; when the driving force is reversed, the third telescopic arm 71 is retracted and the fourth telescopic arm 72 is extended through the worm-gear screw lifting mechanism, thereby realizing synchronous driving of the photovoltaic panels to swing on both sides, the actuator is subjected to more uniform force, the torque received is small and more stable, and the service life of the actuator is greatly improved.

[0044] Through this embodiment, under the synchronous driving of the first swing assembly 6 and the second swing assembly 7, the force of the actuator is dispersed to the first telescopic arm 61, the second telescopic arm 62, the third telescopic arm 71 and the fourth telescopic arm 72, thereby achieving the synchronous driving of the photovoltaic panel to swing on both sides. The actuator is subjected to more uniform force, the torque it receives is smaller and more stable, and the service life of the actuator is greatly improved.

[0045] Example 2

[0046] This embodiment discloses a specific implementation of a photovoltaic power generation system.

[0047] A photovoltaic power generation system is composed of several photovoltaic modules. Each photovoltaic module is provided with a photovoltaic bracket tracker actuator as described in Example 1, so that the tracking bracket actuator of each photovoltaic module is evenly stressed, the actuator is subjected to less stress, is not easily damaged, and reduces the maintenance cost of the photovoltaic power generation system.

[0048] The photovoltaic power generation system disclosed in this embodiment has the same technical solutions as those in Example 1. Please refer to the description in Example 1 and will not be repeated here.

Claims

1. A photovoltaic support tracker actuator, characterized in that: It includes a main beam, a first column, a second column, a first crossbeam, a second crossbeam, a first swing assembly and a second swing assembly; The first end of the main beam is rotatably supported on the first column, and the second end of the main beam is rotatably supported on the second column; The first cross beam is perpendicular to the main beam and close to the first end of the main beam, and the second cross beam is perpendicular to the main beam and close to the second end of the main beam; The first swing assembly includes a first telescopic arm and a second telescopic arm, the first telescopic arm drives the first end of the first beam to swing, and the second telescopic arm drives the second end of the first beam to swing, and the telescopic directions of the first telescopic arm and the second telescopic arm are opposite; The second swing assembly includes a third telescopic arm and a fourth telescopic arm. The third telescopic arm drives the first end of the second beam to swing, and the fourth telescopic arm drives the second end of the second beam to swing. The telescopic directions of the third telescopic arm and the fourth telescopic arm are opposite.

2. A photovoltaic support tracker actuator according to claim 1, characterized in that: A first bracket is provided on the first column, and a first U-shaped groove and a second U-shaped groove are provided on the first bracket; The bottom end of the first telescopic arm is hinged to the first U-shaped groove through a first pin, and the top end of the first telescopic arm is hinged to the first end of the first crossbeam through a second pin; The bottom end of the second telescopic arm is hinged to the second U-shaped groove through a third pin shaft, and the top end of the second telescopic arm is hinged to the second end of the first beam through a fourth pin shaft.

3. A photovoltaic support tracker actuator according to claim 2, characterized in that: A first power shaft is provided at the bottom end of the first telescopic arm, and a second power shaft is provided at the bottom end of the second telescopic arm. The first power shaft and the second power shaft are connected via a universal joint.

4. A photovoltaic support tracker actuator according to claim 3, characterized in that: The first power shaft drives the first telescopic arm to extend and retract through a worm-gear screw lifting mechanism; The second power shaft drives the second telescopic arm to extend and retract through a worm gear screw lifting mechanism.

5. The photovoltaic support tracker actuator according to claim 1, characterized in that: A second bracket is provided on the second column, and a third U-shaped groove and a fourth U-shaped groove are provided on the second bracket; The bottom end of the third telescopic arm is hinged to the third U-shaped groove through a fifth pin, and the top end of the third telescopic arm is hinged to the first end of the second crossbeam through a sixth pin; The bottom end of the fourth telescopic arm is hinged to the fourth U-shaped groove through a seventh pin, and the top end of the fourth telescopic arm is hinged to the second end of the second beam through an eighth pin.

6. A photovoltaic support tracker actuator according to claim 5, characterized in that: A third power shaft is provided at the bottom end of the third telescopic arm, and a fourth power shaft is provided at the bottom end of the fourth telescopic arm. The third power shaft and the fourth power shaft are connected via a universal joint.

7. A photovoltaic support tracker actuator according to claim 6, characterized in that: The third power shaft drives the third telescopic arm to extend and retract through a worm-gear screw lifting mechanism; The fourth power shaft drives the fourth telescopic arm to extend and retract through a worm gear screw lifting mechanism.

8. A photovoltaic support tracker actuator according to any one of claims 1 to 7, characterized in that: The first swing assembly and the second swing assembly swing synchronously.

9. The photovoltaic support tracker actuator according to claim 8, characterized in that: When the first crossbeam and the second crossbeam are in a horizontal state, the first swing assembly and the second swing assembly are in an inverted trapezoidal shape.

10. A photovoltaic power generation system, characterized in that: A plurality of photovoltaic modules form a photovoltaic power generation system, and each photovoltaic module is provided with a photovoltaic support tracker actuator as described in any one of claims 1-9.

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