CN209088872U - Photovoltaic system and its sun tracking bracket - Google Patents

Abstract

The utility model discloses a kind of solar tracking brackets, including supporting part, pedestal and the adjustment portion to adjust the relatively described pedestal angle of the supporting part to support fixed photovoltaic module；The first end of the supporting part is articulated with the pedestal, and the both ends of the adjustment portion are separately connected the supporting part and the pedestal；The first end of the adjustment portion can be moved and be fixed along the length direction of the supporting part, and/or, the second end of the adjustment portion can be moved and be fixed along the length direction of the pedestal；To realize the adjustable angle of the relatively described pedestal of the supporting part.The invention also discloses a kind of photovoltaic systems including above-mentioned solar tracking bracket.Above-mentioned solar tracking bracket, structure is simple, equipment cost is low, low profile photovoltaic system is suitble to use, easy to operate, of less demanding to operator, easy to promote and utilize.

Description

Photovoltaic system and its sun tracking bracket

technical field

The utility model relates to the technical field of photovoltaic power generation, in particular to a sun tracking bracket. The utility model also relates to a photovoltaic system comprising the above-mentioned sun tracking bracket.

Background technique

In recent years, with the rapid development of photovoltaic power generation and the continuous improvement of popular environmental protection awareness, more and more people choose to install small photovoltaic systems.

However, due to the change of the solar altitude angle, the benefits of fixed photovoltaic modules cannot be maximized; the so-called solar altitude angle, for a certain location on the earth, the solar altitude angle refers to the incident direction of sunlight and the ground plane. Included angle, professionally speaking, the solar elevation angle refers to the included angle between the sun's rays at a certain place and the surface section connected to the earth's center through the place. When the sun's altitude angle is 90°, the solar radiation intensity is the largest; when the sun is obliquely hitting the ground, the solar radiation intensity is small. For photovoltaic modules, adjusting the installation angle of photovoltaic modules according to the sun altitude angle of different seasons and different times of the day, ensuring that the photovoltaic modules can receive the maximum intensity of solar radiation, can significantly improve the power generation of photovoltaic modules and increase revenue. For large-scale power plants, theoretically speaking, the larger the scale, the higher the feasibility. However, the photovoltaic tracking system is usually used in large-scale photovoltaic systems due to its complex structure and high installation and use costs; in small photovoltaic systems, it has no economic advantages at all, making it impossible to make ends meet, and its complex structure makes operation and maintenance difficult. However, some non-electric tracking devices in the prior art also have complex structures, and are inconvenient to manufacture, install and use.

Therefore, how to provide a photovoltaic tracking system suitable for small photovoltaic systems with simple structure, low use cost and simple operation has become a technical problem to be solved by those skilled in the art.

Utility model content

The purpose of the utility model is to provide a sun tracking bracket, which is simple in structure, convenient in operation, has no special requirements for users, and has low use cost, which is suitable for small photovoltaic systems. Another object of the present invention is to provide a photovoltaic system including the above-mentioned sun tracking bracket.

In order to achieve the above-mentioned purpose, the utility model provides a kind of sun tracking bracket, comprising:

base;

a bearing portion hinged to the base for supporting and fixing the photovoltaic module;

two ends are respectively connected to the bearing part and the base, and an adjustment part used to adjust the angle of the bearing part relative to the base;

Wherein, the first end of the adjusting portion can be moved and fixed along the length direction of the bearing portion, and/or the second end of the adjusting portion can be moved and fixed along the length direction of the base.

Preferably, the first end of the adjusting portion is hinged to the bearing portion, and the base is provided with a plurality of fixing portions along the length direction thereof for fixing the second end of the adjusting portion.

Preferably, the adjusting portion is a support rod, the base is provided with a plurality of fixing holes along its length direction for fixing the second end of the support rod, and the second end of the support rod is provided with a vertical support rod The protruding part in the length direction and matched with the fixing hole.

Preferably, the adjusting portion is a support rod, the second end of the support rod is provided with a convex portion perpendicular to the length direction of the support rod, and the convex portion is provided with an external thread;

The base is provided with a sliding groove along its length direction for accommodating the sliding of the protrusion, and the support rod can slide along the sliding groove and is fixed to any position of the sliding groove through the protrusion and the nut. .

Preferably, the adjusting portion is a support rod, and the base is provided with a plurality of teeth along its length direction for clamping the second end of the support rod, and all the teeth face the direction of the first end of the bearing portion bending.

Preferably, the heights of all the teeth decrease from the direction away from the first end of the bearing portion to the direction close to the first end of the bearing portion;

and / or,

The included angles of all the teeth and the base increase from the direction away from the first end of the bearing portion to the direction close to the bottom end of the bearing portion.

Preferably, the support rod is a telescopic rod.

Preferably, the base is further provided with rollers to facilitate moving the sun tracking bracket.

Preferably, the roller is further provided with a locking device.

The present invention also provides a photovoltaic system, which includes the sun tracking bracket described in any one of the above, and also includes a photovoltaic component for generating electricity, and the photovoltaic component is fixed on the bearing portion.

Compared with the above-mentioned background technology, the sun tracking bracket provided by the present invention includes a bearing part for fixing the photovoltaic module, a base hinged with one end of the bearing part, and an adjustment part for adjusting the angle of the bearing part relative to the base; two parts of the adjustment part; The ends are respectively fixed on the bearing part and the base. By adjusting the position of the bearing part in the length direction of the base and/or the bearing part, the bearing part is rotated around the base, so that the angle of the bearing part relative to the base can be adjusted. It can be realized by simple mechanical connection between support plates or brackets. It has a simple structure, low installation and use costs, and no special requirements for users. It is conducive to the promotion and application of small photovoltaic systems, improving power generation, and the cost recovery of solar tracking brackets is relatively low. quick. And the triangular connection is realized through the bearing part, the base and the adjusting part, and the stability of the sun tracking bracket is high.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained according to the provided drawings without creative efforts.

Fig. 1 is the schematic diagram of the sun tracking bracket provided by the first embodiment of the present utility model;

Fig. 2 is the side view of Fig. 1;

3 is a schematic diagram of a sun tracking bracket provided by the second embodiment of the present invention;

4 is a schematic diagram of a sun tracking bracket provided by a third embodiment of the present invention;

5 is a schematic diagram of a sun tracking bracket provided by a fourth embodiment of the present invention;

6 is a schematic diagram of a support rod provided by an embodiment of the present invention;

FIG. 7 is a schematic diagram of a telescopic support rod provided by an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In order to make those skilled in the art better understand the solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

Please refer to FIGS. 1 to 7. FIG. 1 is a schematic diagram of a sun tracking bracket provided by the first embodiment of the present invention; FIG. 2 is a side view of FIG. 1; and FIG. 3 is provided by the second embodiment of the present invention. Figure 4 is a schematic diagram of the sun tracking bracket provided by the third embodiment of the present utility model; Figure 5 is a schematic diagram of the sun tracking bracket provided by the fourth embodiment of the present utility model; Figure 6 is A schematic diagram of a support rod provided by an embodiment of the present invention; FIG. 7 is a schematic diagram of a telescopic support rod provided by an embodiment of the present invention.

The simple solar support provided by the present invention mainly includes three parts: a base 1, a bearing part 2 used to support the photovoltaic module 4, and an adjustment part 3 used to adjust the angle of the bearing part 2 relative to the base 1. The adjustment of the adjustment part 3 makes the The angle of the bearing portion 2, that is, the photovoltaic module 4 relative to the base 1 is adjustable, so that the photovoltaic module 4 can adjust the angle according to different seasons and different time periods of the day, so as to ensure that the radiation from the sun can be received to the maximum extent and the power generation can be improved. In order to achieve the above purpose, one end of the bearing portion 2 is hinged to the base 1 and can rotate relative to the base 1 , and the two ends of the adjusting portion 3 are respectively fixed on the base 1 and the bearing portion 2 to achieve the relative angle fixation of the bearing portion 2 and the base 1 . In order to ensure that the angle between the base 1 and the bearing part 2 can be adjusted relatively and can be fixed by the adjustment part 3; can be moved up and fixed to different positions; the first end of the adjustment part 3 can also be hinged and fixed to the bearing part 2, and the second end can be set to move along the length direction of the base 1 and be fixed at different positions; or the adjustment part The first end of 3 is set to be movable along the length direction of the base 1 and fixed at different positions, while the second end of the adjusting part 3 is set to be movable along the length direction of the bearing part 2 and fixed at different positions. The so-called length direction of the base 1 or the so-called length direction of the bearing part 2 here specifically refers to the direction perpendicular to the axis where the base 1 and the first end of the bearing part 2 are hinged.

The above-mentioned sun tracking bracket only includes a base 1, a bearing part 2 and an adjustment part 3, and all three can be replaced by a simple bracket composed of a plate or a beam and a vertical beam, the structure is simple, and the installation and use costs are low; on the other hand, due to the Simple structure, convenient operation and maintenance, no special requirements for users, and easy popularization and application. In addition, when the base 1 , the bearing part 2 and the adjusting part 3 are connected and fixed relative to each other, a triangle is formed, and the stability is high.

The sun tracking support provided by the present utility model will be described in more detail below with reference to the accompanying drawings and specific embodiments. The base 1, the adjusting part 3 and the bearing part 2 of the sun tracking bracket provided by the present invention can all be constituted by a simple bracket in which a beam and a vertical beam are overlapped, specifically two vertical beams and one beam respectively, and the base 1 , the distance between the two vertical beams of the bearing part 2 and the adjustment part 3 is the same, that is, the length of the three beams is the same; wherein, the first end of the bearing part 2 is hinged to the base 1, and the first end of the adjustment part 3 is hinged to the The bearing part 2 is provided with a plurality of fixing parts for fixing the second end of the adjusting part 3 on the vertical beam of the base 1 away from the first end of the bearing part 2 . Of course, the base 1 , the adjusting part 3 and the fixing part all use mutually matched plate-like objects to achieve the same use effect.

Please refer to FIG. 1 and FIG. 2 , in the first specific embodiment provided by the present invention, the fixing portion is specifically a fixing hole 7 opened in the longitudinal direction of the vertical beam of the base 1, and correspondingly, the adjusting portion 3 Specifically, the support rod 5 is provided at the second end of the support rod 5 with a raised portion 6 of the vertical support rod 5. The raised portion 6 is matched with the fixing hole 7 and can be installed and fixed in any fixing hole 7. By adjusting The protrusions 6 are fixed in different fixing holes 7, so that the angle of the bearing portion 2 relative to the base 1 can be adjusted, that is, the angle of the photovoltaic module 4 relative to the base 1 can be adjusted. In this embodiment, the number of the fixing holes 7 is adjustable. Specifically, there are three, and more can be set according to the adjustment needs of different latitudes.

Further, as shown in FIG. 3 , the fixing hole 7 can not only be opened in the longitudinal direction of the vertical beam of the base 1, but also can be opened in the longitudinal direction of the vertical beam of the bearing part 2; the shape of the corresponding support rod 5 is shown in FIG. 6 . As shown, both ends of the support rod 5 are provided with raised portions 6 perpendicular to the lengthwise direction of the support rod 5 , and the two raised portions 6 can be installed and fixed to the bearing portion 2 and the fixing holes 7 of the fixing portion respectively. The fixed position of one end of the support rod 5 can be adjusted individually, or both ends of the support rod 5 can be adjusted simultaneously to obtain a larger angle adjustment range.

In addition, the support rod 5 can also be a telescopic support rod 5 as shown in FIG. 7 to increase the angle adjustment range of the bearing portion 2 relative to the base 1 . The specific implementation scheme of the telescopic support rod 5 is as follows: the telescopic support rod 5 includes an inner layer rod and an outer layer rod, the inner layer rod is nested in the outer layer rod, and the outer layer rod is provided with a rotating rod that can compress the inner layer rod. The length of the support rod 5 can be adjusted by loosening the bolt, and the length of the support rod 5 can be fixed by tightening the bolt to press the outer surface of the inner rod.

On the basis of the second embodiment, in order to increase the optional value of the angle of the bearing portion 2 relative to the base 1, a plurality of fixing holes 7 can be provided on the base 1. When the value of the fixing holes 7 reaches a limit, a groove is formed. That is to say, in the third embodiment provided by the present invention, the vertical beam of the base 1 is provided with a sliding groove 8 along the length direction of the base 1 to ensure that the protrusion 6 of the support rod 5 can slide to the sliding groove 8. At any position, in order to ensure the fixing of the raised portion 6 of the support rod 5 in the sliding groove 8, an external thread is provided on the raised portion 6, and the raised portion 6 is fixed in any position in the sliding groove 8 by cooperating with the nut; At this time, the adjustable range of the angle of the bearing part 2 relative to the base 1 is the angle when the convex part 6 is close to the hinge axis of the base 1 and the bearing part 2 and the angle when the convex part 6 is far away from the hinge axis of the base 1 and the bearing part 2 Arbitrary consecutive values between the angles at .

Similarly, the sliding groove 8 can not only be opened on the base 1, but also can be opened on the bearing part 2, and can also be opened on the length direction of the base 1 and the bearing part 2 at the same time; at this time, both ends of the support rod 5 are provided with vertical supports The protrusions 6 in the longitudinal direction of the rod 5 are shown in FIGS. 4 and 6 .

Referring to FIG. 5 , in the fourth specific embodiment provided by the present invention, the fixing portion is specifically a plurality of teeth 9 arranged in the length direction of the base 1 , and all the teeth 9 are bent toward the direction of the first end of the bearing portion 2 . Obviously, when the second end of the support rod 5 is away from the hinge shaft of the base 1 and the bearing part 2, that is, the first end of the bearing part, the angle of the support rod 5 relative to the base 1 is smaller than the second end of the support rod 5 is close to the hinge Therefore, the angle of all teeth 9 relative to the base 1 increases from the direction away from the hinge axis, that is, the first end of the bearing part 2 to the direction close to the first end of the bearing part 2, and the height decreases in turn. . Likewise, a plurality of teeth 9 may be provided on the bearing portion 2 or on the bearing portion 2 and the base 1 at the same time, and corresponding grooves may be used instead of the corresponding teeth 9 to fix both ends of the support rod 5 .

In order to facilitate the movement of the above-mentioned sun tracking bracket, a roller that is easy to move is also installed on the base 1; at the same time, in order to prevent the solar tracking bracket from moving when the photovoltaic module 4 is working, a locking device is also provided on the roller, which can be flexibly moved or locked. Tight and easy to use.

The above-mentioned sun tracking bracket has simple structure, low installation and use cost, simple and convenient adjustment, no special requirements for use, which is conducive to popularization and application, and the adjustment part 3, the base 1 and the bearing part 2 can form a triangle, and the structure is stable.

The present invention also provides a photovoltaic system, which includes the sun tracking bracket described in the above specific embodiment, and also includes a photovoltaic assembly 4 for generating electricity. The photovoltaic assembly 4 can be easily disassembled and fixed on the bearing portion 2 by bolts or the like. Above; other parts of the photovoltaic system can refer to the prior art, which will not be expanded in this article.

It should be noted that, in this specification, relational terms such as first and second are only used to distinguish one entity from several other entities, and do not necessarily require or imply any such existence between these entities. The actual relationship or sequence.

The fixing part can not only be set on the base 1, but also can be set on the bearing part 2 or even set on the base 1 and the bearing part 2 at the same time; not only can be fixed by fixing holes 7, teeth 9 or sliding grooves 8, but also can use Arbitrary combination of the three and other ways to adjust and fix.

The photovoltaic system and its sun tracking support provided by the present utility model have been introduced in detail above. The principles and implementations of the present invention are described herein by using specific examples, and the descriptions of the above embodiments are only used to help understand the method and the core idea of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principles of the present utility model, some improvements and modifications can also be made to the present utility model, and these improvements and modifications also fall into the protection of the claims of the present utility model. within the range.

Claims (10)

1. a sun-tracking bracket, is characterized in that, comprises: base(1); a bearing portion (2) hinged to the base (1) for supporting and fixing the photovoltaic module (4); The two ends are respectively connected to the carrying part (2) and the base (1), and an adjusting part (3) for adjusting the angle of the carrying part (2) relative to the base (1); Wherein, the first end of the adjustment part (3) can be moved and fixed along the length direction of the bearing part (2), and/or the second end of the adjustment part (3) can be moved along the base (2). 1) The length direction is moved and fixed. 2 . The sun tracking bracket according to claim 1 , wherein the first end of the adjusting portion ( 3 ) is hinged to the bearing portion ( 2 ), and the base ( 1 ) is provided with multiple a fixing part for fixing the second end of the adjusting part (3). 3 . The solar tracking bracket according to claim 2 , wherein the adjusting part ( 3 ) is a support rod ( 5 ), and the base ( 1 ) is provided with a plurality of supporting rods along its length direction to fix the A fixing hole (7) at the second end of the support rod (5), the second end of the support rod (5) is provided with a protrusion perpendicular to the length direction of the support rod (5) and matched with the fixing hole (7) Section (6). 4 . The solar tracking bracket according to claim 2 , wherein the adjusting portion ( 3 ) is a support rod ( 5 ), and the second end of the support rod ( 5 ) is provided with the vertical support rod. 5 . (5) a raised portion (6) in the length direction, the raised portion (6) is provided with an external thread; The base (1) is provided with a sliding groove (8) along its length direction for accommodating the protrusion (6) to slide, and the support rod (5) can slide along the sliding groove (8) and pass through the sliding groove (8). The protruding part (6) is fixed at any position of the sliding groove (8) in cooperation with the nut. 5 . The sun tracking bracket according to claim 2 , wherein the adjusting part ( 3 ) is a support rod ( 5 ), and the base ( 1 ) is provided with a plurality of supporting rods along its length direction for clamping the The teeth (9) at the second end of the support rod (5) are all bent in the direction of the first end of the bearing part (2). 6. The sun tracking bracket according to claim 5, characterized in that the heights of all the teeth (9) are from the first end away from the bearing part (2) to the first end close to the bearing part (2) The direction of the end decreases; and / or, The angle between all the teeth (9) and the base (1) increases from the direction away from the first end of the bearing part (2) to the direction close to the first end of the bearing part (2). 7. The sun tracking stand according to any one of claims 3 to 6, wherein the support rod (5) is a telescopic rod. 8. The sun-tracking stand according to claim 7, characterized in that, the base (1) is further provided with a roller for facilitating the movement of the sun-tracking stand. 9 . The sun tracking bracket according to claim 8 , wherein the roller is further provided with a locking device. 10 . 10. A photovoltaic system, characterized in that it comprises the sun tracking bracket according to any one of claims 1 to 9, and further comprises a photovoltaic assembly (4) for generating electricity, the photovoltaic assembly (4) being fixed on the carrying part (2).