WO2016066012A1

WO2016066012A1 - Solar battery support and square solar battery

Info

Publication number: WO2016066012A1
Application number: PCT/CN2015/091858
Authority: WO
Inventors: 李光地; 王洪斌; 黄尧钦; 许教练; 何龙
Original assignee: 比亚迪股份有限公司
Priority date: 2014-10-31
Filing date: 2015-10-13
Publication date: 2016-05-06
Also published as: CN105634390B; CN105634390A

Abstract

Provided are a solar battery support and a square solar battery, said solar battery support comprising: a support post (10); a bearing housing (20), said bearing housing (20) being disposed on the upper end of the support post (10); on the bearing housing (20) is disposed a plurality of sand removal holes (2012) running through the side wall of the bearing housing (20); a bearing (30), said bearing (30) being rotatably disposed on the bearing housing (20); a through-hole (300) is provided on said bearing (30) and runs laterally through the bearing (30); and a rotating shaft (40), said rotating shaft (40) being fitted inside the through-hole (300) and said rotating shaft (40) rotating concomitantly with the bearing (30).

Description

Solar cell holder and solar cell array

Technical field

The present invention relates to the field of solar energy technology, and in particular to a solar cell holder and a solar cell array.

Background technique

In the current large-scale solar photovoltaic power station support system, the support system is divided into a fixed support system and a Japanese-style support system. Among them, the fixed bracket system has a relatively simple structure and low investment cost, but the power generation of the same scale power station is also low, and the resource utilization rate is low. In addition, the power generation capacity of the same-scale power station is also higher, and the resource utilization rate is higher. However, the rotating support part of the chasing day bracket is likely to be ineffective due to the adverse working conditions, and the later maintenance cost is larger than the fixed type investment. The wind and sand cause the bracket system to be damaged and stop working, and the system is unstable.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the related art to some extent.

To this end, an object of the present invention is to provide a solar cell holder which is simple in structure and can effectively reduce the influence of harsh conditions such as wind and sand.

Another object of the present invention is to provide a solar cell array having the above solar cell holder.

A solar cell holder according to an embodiment of the present invention includes: a support post; a bearing seat, the bearing seat is disposed at an upper end of the support post, wherein the bearing seat is provided with a sidewall penetrating the bearing seat a plurality of sand holes; a bearing rotatably disposed on the bearing housing, wherein the bearing has a through hole penetrating the bearing in a left-right direction; and a rotating shaft, the rotating shaft is matched In the through hole and the rotating shaft rotates in synchronization with the bearing.

According to the solar cell holder of the embodiment of the invention, a plurality of sand-discharging holes penetrating through the side wall of the bearing seat are provided on the bearing seat, so that sand can be discharged in time to resist the harsh working conditions such as sand and sand, and the structure is simple.

According to an example of the present invention, the bearing housing includes a lower seat portion and an upper seat portion above the lower seat portion, and the plurality of drain holes are provided on the lower seat portion.

According to an example of the present invention, the lower seat portion and the upper seat portion are connected by bolts.

According to an example of the invention, the lower seat is welded to the upper end of the support column.

According to an example of the present invention, the outer peripheral wall of the bearing is provided with a sand drain groove.

According to an example of the invention, the sand draining groove is an annular sand drain groove that surrounds the outer peripheral wall of the bearing.

According to an example of the present invention, the annular sand draining groove is a plurality of and the plurality of the annular sand discharging grooves are spaced apart in the left-right direction on the outer peripheral wall of the bearing.

According to an example of the present invention, the through hole is a square hole, and a cross section of the rotating shaft is a square shape that fits the square hole.

According to an example of the present invention, the bearing includes a lower bearing portion and an upper bearing portion, the lower bearing portion is fitted in the lower seat portion, and the upper bearing portion is fitted in the upper seat portion to be in the lower bearing A through hole is formed between the portion and the upper bearing portion for engaging the rotating shaft.

A solar cell array according to an embodiment of the present invention includes: a plurality of the above-described solar cell holders; and a plurality of solar cell modules, the plurality of solar cell modules being mounted on the solar cell holders in a one-to-one correspondence.

The additional aspects and advantages of the invention will be set forth in part in the description which follows.

DRAWINGS

1 is a schematic view of a solar cell holder in accordance with one embodiment of the present invention; and

2 is a schematic view of a solar cell holder in accordance with another embodiment of the present invention.

detailed description

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

A solar cell holder according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in FIGS. 1 and 2, a solar cell holder according to an embodiment of the present invention includes: a support post 10; a bearing housing 20, a bearing 30, and a rotating shaft 40.

Specifically, the bearing housing 20 is provided at the end of the support post 10 (i.e., the direction indicated by the arrow shown in Fig. 1). The bearing housing 20 is provided with a plurality of sand holes 2012 extending through the side walls of the bearing housing 20. The bearing 30 is rotatably disposed on the bearing housing 20. Among them, the bearing 30 has a through hole 300 penetrating the bearing 30 in the direction of the left and right (that is, the direction indicated by the arrow shown in FIG. 1). The through hole 300 is preferably a square hole, and of course, may have other shapes such as a circle or a polygon other than a square.

The rotating shaft 40 is fitted in the through hole 300 and the rotating shaft 40 rotates in synchronization with the bearing 30. The cross section of the rotating shaft 40 may be a square or a circle or a polygon or the like that fits the square hole.

According to the solar battery holder of the embodiment of the present invention, a plurality of sand discharging holes penetrating through the side wall of the bearing housing are disposed on the bearing housing, and the sand of the contact portion between the bearing and the bearing housing is discharged through the sand discharging hole in time. Resist the harsh conditions such as sand and sand, and the structure is simple.

According to an example of the present invention, the bearing housing 20 includes a lower seat portion 201 and an upper seat portion 202 above the lower seat portion 201, and a plurality of sand drain holes 2012 are provided on the lower seat portion 201. Advantageously, the lower seat 201 and the upper seat 202 are connected by bolts. Advantageously, the lower seat portion 201 is welded to the upper end of the support column 10.

Advantageously, the bearing 30 includes a lower bearing portion 301 that fits within the lower seat portion 201 and an upper bearing portion 301 that fits within the upper seat portion 202 to be between the lower bearing portion 301 and the upper bearing portion 302. A through hole 300 is formed in which the rotating shaft 40 is fitted. That is to say, the bearing 30 is of a split type.

As shown in FIG. 1, according to an example of the present invention, a sand drain groove 3012 is provided on the outer peripheral wall of the bearing 30. Advantageously, the sand drain 3012 is an annular sand drain that surrounds the outer peripheral wall of the bearing 30. Further, the annular sand discharge groove is a plurality of and the plurality of the annular sand discharge grooves are spaced apart in the left-right direction on the outer peripheral wall of the bearing 30. Further, the plurality of annular sand drains may also correspond to the plurality of sand drain holes 2012 one by one. Thereby, the sand discharge effect can be further developed.

A solar cell array according to an embodiment of the present invention includes: a plurality of the above-described solar cell holders and a plurality of solar cell modules (not shown). The plurality of solar cell modules are mounted one by one on the solar cell holder. That is, one solar cell module is correspondingly mounted on each of the solar cell holders, whereby a solar cell array according to an embodiment of the present invention can be constructed.

According to the solar cell holder of the embodiment of the invention, the sand-discharging hole is added to the bearing seat, and the wind-sand between the bearing and the bearing seat is discharged, and the utility model can resist the harsh working conditions such as sand and sand under the premise of not increasing the construction cost. Impact, improve system stability, and reduce post-maintenance costs.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is two or more unless specifically and specifically defined.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical connection, or can be electrical connection; can be directly connected, or can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or obliquely above the second feature, or It merely means that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A solar battery holder characterized by comprising:

Support column

a bearing seat, the bearing seat is disposed at an upper end of the support column, wherein the bearing seat is provided with a plurality of sand discharging holes penetrating a side wall of the bearing seat;

a bearing rotatably disposed on the bearing housing, wherein the bearing has a through hole penetrating the bearing in a left-right direction; and

a rotating shaft that fits within the through hole and that rotates in synchronization with the bearing.
The solar battery holder according to claim 1, wherein the bearing housing comprises a lower seat portion and an upper seat portion on the lower seat portion, and the plurality of drain holes are provided on the lower seat portion .
The solar cell holder according to claim 2, wherein the lower seat portion and the upper seat portion are connected by bolts.
The solar cell holder according to claim 2 or 3, wherein the lower seat portion is welded to an upper end of the support column.
The solar battery holder according to any one of claims 1 to 4, characterized in that the outer peripheral wall of the bearing is provided with a sand discharge groove.
The solar cell holder according to claim 5, wherein the sand collecting groove is an annular sand collecting groove that surrounds the outer peripheral wall of the bearing.
The solar battery holder according to claim 6, wherein the annular sand collecting groove is a plurality of and the plurality of the annular sand discharging grooves are spaced apart in the left-right direction on an outer peripheral wall of the bearing.
The solar cell holder according to any one of claims 1 to 7, wherein the through hole is a square hole, and a cross section of the rotating shaft is a square shape matching the square hole.
The solar cell holder according to any one of claims 2 to 7, wherein the bearing comprises a lower bearing portion and an upper bearing portion, the lower bearing portion being fitted in the lower seat portion, the upper bearing The portion is fitted in the upper seat portion, and the through hole is formed between the lower bearing portion and the upper bearing portion for the rotation shaft to fit therein.
A solar cell array, comprising:

a plurality of solar cell holders according to any one of claims 1-9; and

A plurality of solar cell modules, the plurality of solar cell modules being mounted on the solar cell holder in a one-to-one correspondence.