WO2016066010A1

WO2016066010A1 - Solar battery support and square solar battery

Info

Publication number: WO2016066010A1
Application number: PCT/CN2015/091855
Authority: WO
Inventors: 李光地; 王贤彬; 王洪斌; 许教练
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: CN105634391A

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); a bearing (30), said bearing (30) being rotatably disposed on the bearing housing (20); a through-hole (3010) is provided on said bearing (30) and runs laterally through the bearing (30); the outer peripheral surface of the bearing (30) is provided with a plurality of grooves (3011) extending laterally and arranged at intervals along the circumferential direction of the bearing; a plurality of rollers (40), said plurality of rollers (40) being fitted in a one-to-one correspondence inside the plurality of grooves (3011), each of the rollers (40) being located between the outer peripheral surface of the bearing (30) and the inner peripheral surface of the bearing housing (20); and a rotating shaft (50), said rotating shaft (50) being fitted inside the through-hole (3010) and said rotating shaft (50) 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. The chasing-day power station has the same power generation capacity and high resource utilization rate. However, the rotating support part of the chasing day bracket is easy to be ineffective due to the adverse working conditions. The post-maintenance cost is larger than the fixed type investment, and the square array is easy to be sanded. The cause is that the bracket system is damaged and stops 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.

Accordingly, it is an object of the present invention to provide a solar cell holder that is simple in construction and can improve system stability.

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 housing, the bearing housing is disposed at an upper end of the support post; and a bearing rotatably disposed on the bearing housing, wherein The bearing has a through hole penetrating the bearing in the left-right direction, and the outer peripheral surface of the bearing has a plurality of grooves extending in the left-right direction and arranged along the circumferential direction of the bearing; a plurality of rollers, a plurality of The rollers are fitted in a plurality of the grooves in a one-to-one correspondence and supported between the bearing and the bearing housing to leave a gap between the bearing and the bearing housing; and a rotating shaft The rotating shaft fits within the through hole and the rotating shaft rotates in synchronization with the bearing.

The solar battery holder according to the embodiment of the present invention improves the stability of the system by adding a roller between the bearing and the bearing housing, and can withstand the harsh working conditions such as sand and sand, and has a simple structure.

According to an example of the invention, the roller is rollable within the corresponding groove.

According to an example of the present invention, a bead is provided on any of the left end surface of the bearing and the right end surface of the bearing.

According to an example of the present invention, the bearing housing is provided with a plurality of sand holes extending through the side walls of the bearing housing.

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 through hole is a square hole, and a cross section of the rotating shaft is a square shape that fits the square hole.

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 FIG. 1, a solar cell holder according to an embodiment of the present invention includes: a support post 10; a bearing housing 20, a bearing 30, a plurality of rollers 40, and a rotating shaft 50.

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 30 is rotatably disposed on the bearing housing 30. Among them, the bearing 30 has a through hole 3010 penetrating the bearing in the direction of the left and right (that is, the direction indicated by the arrow shown in FIG. 1). The through hole 3010 may be a square hole. The outer peripheral surface of the bearing 30 has a plurality of grooves 3011 extending in the left-right direction and spaced apart in the circumferential direction of the bearing 30.

The plurality of rollers 40 are correspondingly fitted in the plurality of grooves 3011 and supported between the bearing 30 and the bearing housing 20 to leave a gap between the bearing 30 and the bearing housing 20. Advantageously, the roller 40 is rollable within the corresponding recess 3011.

The rotating shaft 50 is fitted in the through hole 3010 and the rotating shaft 50 rotates in synchronization with the bearing 30. The cross section of the rotating shaft 50 may be a square that fits the square hole.

According to an example of the present invention, as shown in FIG. 1, a bearing ring 30 is provided with a bead 3012 on the right end surface thereof. Advantageously, the collar may also be provided on the left end face of the bearing 30 or a bead may be provided on each of the left and right end faces of the bearing 30. Thereby, the roller 40 can be prevented from slipping out of the groove 3011.

According to an example of the present invention, the bearing housing 20 is provided with a plurality of sand holes 2011 extending through the side walls of the bearing housing 20. Advantageously, 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 sanding holes 2011 are provided on the lower seat portion 201. Thereby, the sand can be discharged through the sand discharge hole 2011.

Further, the lower seat portion 201 and the upper seat portion 202 are connected by bolts. The lower seat portion 201 can be welded to the upper end of the support column 10. Thereby, the installation is convenient.

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 bracket system of the embodiment of the invention, the rotary support bearing assembly is provided with a groove on the outer peripheral surface of the bearing and a roller is added, and a bearing ring is arranged at both ends of the bearing to prevent the roller from being detached, and a sand-discharging hole is added on the bearing seat, Make the sand removal effect better. The use of the solar support system according to the embodiment of the present invention to rotate the support bearing assembly, although slightly increasing the construction cost, can effectively reduce the impact of harsh conditions such as wind and sand, 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 Square, or merely indicating 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;

a bearing, the bearing is rotatably disposed on the bearing housing, wherein the bearing has a through hole penetrating the bearing in a left-right direction, and an outer peripheral surface of the bearing has a plurality of extending along a left-right direction a circumferentially spaced groove of the bearing;

a plurality of rollers, wherein the plurality of rollers are fitted in a plurality of the grooves in a one-to-one correspondence and supported between the bearing and the bearing housing to allow the bearing and the bearing housing to be Leave a gap; and

a rotating shaft that fits within the through hole and that rotates in synchronization with the bearing.
The solar cell holder of claim 1 wherein said roller is rollable within said corresponding recess.
The solar cell holder according to claim 1 or 2, wherein a convex ring is provided on any one of a left end surface of the bearing and a right end surface of the bearing.
The solar cell holder according to any one of claims 1 to 3, wherein the bearing housing is provided with a plurality of sand holes penetrating through the side walls of the bearing housing.
The solar battery holder according to claim 4, 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 5, wherein the lower seat portion and the upper seat portion are connected by bolts.
The solar cell holder according to claim 5, wherein the lower seat portion is welded to an upper end of the support post.
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.
A solar cell array, comprising:

a plurality of solar cell holders according to any one of claims 1-8; 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.