CN215990675U

CN215990675U - Photovoltaic stand column, photovoltaic support and photovoltaic power generation device

Info

Publication number: CN215990675U
Application number: CN202122357349.9U
Authority: CN
Inventors: 陈佳雨; 孙俊林; 全鹏
Original assignee: Trina Solar Co Ltd
Current assignee: Trina Solar Co Ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-03-08
Anticipated expiration: 2031-09-28

Abstract

The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic upright post, a photovoltaic support and a photovoltaic power generation device. The photovoltaic upright column comprises an upright column, wherein the upright column comprises a first steel plate and a second steel plate, the two ends of the first steel plate are symmetrically connected with the second steel plate, so that the cross section of the upright column is H-shaped, the upright column is in a variable cross section shape, and the size of the cross section of the bottom of the upright column is larger than that of the cross section of the top of the upright column. This mode of setting up guarantees that the stand is greater than the cross-sectional dimension at the stress site department at the cross-sectional dimension at the stress site, and the stress ratio of rational utilization stand has reduced the use amount of stand material, greatly reduced the cost under the circumstances of guaranteeing stand bending strength and stability. According to the photovoltaic support and the photovoltaic power generation device, the photovoltaic upright posts are applied, so that under the condition that the bending strength and the stability of the upright posts are ensured, the use amount of upright post materials is reduced, and the cost is greatly reduced.

Description

Photovoltaic stand column, photovoltaic support and photovoltaic power generation device

Technical Field

The utility model relates to the technical field of photovoltaic power generation, in particular to a photovoltaic upright post, a photovoltaic support and a photovoltaic power generation device.

Background

The photovoltaic power generation device is one of the most important solar energy utilization forms at present, and the photovoltaic power generation device directly converts solar energy into electric energy according to the principle of photovoltaic effect. The existing photovoltaic power generation device generally adopts a photovoltaic support to support and fix a photovoltaic module, the photovoltaic support mainly comprises an upright post and a main beam, the upright post is used for supporting the main beam, and the main beam can drive the photovoltaic module to rotate along with the movement of the sun so as to ensure that sunlight irradiates on the photovoltaic module as vertically as possible.

The stand is at the in-process that supports girder and photovoltaic module, and wind blows photovoltaic module and then conducts wind-force to the stand top for the stand bears the moment of flexure. With the size of the photovoltaic module becoming larger and larger, in addition, the upright posts need to support the main beam and the photovoltaic module at a higher position, so that the bending moment borne by the upright posts becomes larger and larger. The cross section of the existing upright post is usually circular, and in order to ensure that the upright post has better bending resistance, the size of the cross section of the whole upright post is large, so that the cost is greatly increased.

Therefore, it is desirable to invent a photovoltaic pillar, a photovoltaic bracket and a photovoltaic power generation device to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a photovoltaic upright post, a photovoltaic support and a photovoltaic power generation device, which can ensure the bending strength of the upright post, reduce the use amount of upright post materials and reduce the cost.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a photovoltaic pillar, comprising:

the stand, the stand includes first steel sheet and second steel sheet, the both ends symmetric connection of first steel sheet has the second steel sheet, so that the transversal H type of personally submitting of stand, and the stand adopts the variable cross-section shape, the size of stand bottom cross-section is greater than the size of stand top cross-section.

Preferably, the size of the top section of the upright post is constant.

Preferably, the photovoltaic pillar further includes:

a connection assembly disposed at a top of the column, the connection assembly configured to rotatably connect a main beam to the column.

Preferably, the connection assembly includes:

the connecting piece is arranged at the top of the upright post;

the bearing mounting seat is arranged on the connecting piece; and

the bearing, the bearing rotates to wear to establish in the bearing mount pad, and the bearing housing is established on the periphery of girder.

According to the preferable scheme, the connecting piece comprises a U-shaped fixing plate, a supporting plate and an installation flat plate, the two ends of the supporting plate are respectively connected with the U-shaped fixing plate and the installation flat plate, the installation flat plate is connected with the bearing installation seat, and the U-shaped fixing plate is sleeved and fixed at the top of the upright post.

Preferably, the top plate of the U-shaped fixing plate is attached to the top end of the upright column, and the two side plates of the U-shaped fixing plate are obliquely arranged along the direction deviating from the upright column.

Preferably, the two side plates of the U-shaped fixing plate are provided with a saw-tooth structure on one side facing the upright post.

Preferably, the support plate is provided with a first lightening hole;

and a second lightening hole is formed in the bearing mounting seat.

As preferred scheme, coupling assembling still includes the retaining member, seted up on the bearing mount pad and dodged the hole, seted up first mounting hole on the pore wall of dodging the hole, set up the long waist hole that extends along its width direction on the installation flat board, the retaining member passes in proper order long waist hole with first mounting hole.

Preferably, the width of the mounting plate is greater than the widths of the U-shaped fixing plate and the supporting plate, and the long waist holes are formed in the positions of the mounting plate, which are wider than the U-shaped fixing plate and the supporting plate.

Preferably, a limiting plate is arranged inside the avoidance hole, and the limiting plate is configured to limit the rotation of the locking member.

A photovoltaic support comprising a photovoltaic pillar as described above.

A photovoltaic power generation device comprising a photovoltaic support as described above.

The utility model has the beneficial effects that:

the utility model provides a photovoltaic upright post, which is characterized in that the cross section of the upright post is designed into an H shape, so that the bending resistance of the upright post is enhanced. In addition, the stand adopts the variable cross section shape, and the size of stand bottom cross section is greater than the size of stand top cross section for stand bottom cross section bending modulus is greater than stand top cross section bending modulus, guarantees that the cross sectional dimension of stand at the high stress position is greater than the cross sectional dimension at the low stress position department, and the stress ratio of rational utilization stand has reduced the use amount of stand material under the circumstances of guaranteeing stand bending strength and stability, greatly reduced the cost.

The utility model also provides a photovoltaic bracket, and by applying the photovoltaic upright, under the condition of ensuring the bending strength and stability of the upright, the usage amount of upright materials is reduced, and the cost is greatly reduced.

The utility model also provides a photovoltaic power generation device, and by applying the photovoltaic support, under the condition of ensuring the bending strength and stability of the stand column, the use amount of stand column materials is reduced, and the cost is greatly reduced.

Drawings

Fig. 1 is a schematic structural diagram of a photovoltaic pillar provided in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a post provided by an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a connection assembly provided by an embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a connector provided in an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a bearing mount according to an embodiment of the present invention.

In the figure:

1. a column; 11. a first steel plate; 12. a second steel plate;

2. a connecting assembly; 21. a connecting member; 211. a U-shaped fixing plate; 2111. a sawtooth structure; 2112. a second mounting hole; 212. a support plate; 2121. a first lightening hole; 213. installing a flat plate; 2131. a long waist hole; 22. a bearing mount; 221. a second lightening hole; 222. avoiding holes; 2221. a first mounting hole; 2222. a limiting plate; 22221. a catch arm; 23. a bearing; 24. a locking member; 241. a bolt; 242. a nut; 243. a gasket; 25. a fastener.

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.

The embodiment provides a photovoltaic power generation device for converting light energy emitted by solar energy into electric energy. Particularly, photovoltaic power generation device includes photovoltaic support and photovoltaic module, and wherein, photovoltaic module is the core member among the photovoltaic power generation device, can change light energy into the electric energy, and the photovoltaic support is used for supporting fixed photovoltaic module to this photovoltaic support can be applicable to level ground and surface of water pile power station, can use in photovoltaic projects such as complementary, the complementary fishing light of farming light, has higher commonality.

Particularly, the photovoltaic support comprises photovoltaic columns, a main beam and installation purlins, wherein the installation purlins are arranged on the main beam, the installation purlins are used for fixing the photovoltaic modules, the photovoltaic columns are used for supporting the main beam, and the main beam can rotate relative to the photovoltaic columns, so that the main beam can drive the installation purlins and the photovoltaic modules to rotate along with the movement of the sun, the sunlight is enabled to irradiate on the photovoltaic modules as far as possible vertically, and the power generation efficiency of the photovoltaic modules is guaranteed.

The photovoltaic stand is at the in-process that supports girder and photovoltaic module, and wind blows photovoltaic module and then conducts wind-force to the top of photovoltaic stand for the photovoltaic stand bears the moment of flexure. Along with the size of the photovoltaic module is bigger and bigger, in addition, the photovoltaic upright post needs to support the main beam and the photovoltaic module at a higher position, so that the bending moment borne by the photovoltaic upright post is bigger and bigger. The cross section of the existing photovoltaic upright post is usually circular, in order to ensure that the photovoltaic upright post has better bending resistance, the size of the cross section of the whole photovoltaic upright post is large, and although the bending resistance of the photovoltaic upright post is increased, the cost of the photovoltaic upright post is greatly increased.

In order to solve the above problem, as shown in fig. 1 and fig. 2, the present embodiment provides a photovoltaic pillar, where the photovoltaic pillar includes a pillar 1, the pillar 1 is used to support a main beam, the pillar 1 includes a first steel plate 11 and a second steel plate 12, two ends of the first steel plate 11 are symmetrically connected with the second steel plate 12, so that the cross section of the pillar 1 is an H shape, and the pillar 1 has a variable cross-section shape, and the size of the bottom cross section of the pillar 1 is greater than the size of the top cross section of the pillar 1. By designing the cross section of the upright post 1 into an H shape, the bending resistance of the upright post 1 is enhanced. In addition, the stand 1 adopts the variable cross-section shape, and the size of 1 bottom cross-section of stand is greater than the size of 1 top cross-section of stand for 1 bottom cross-section bending modulus of stand is greater than 1 top cross-section bending modulus of stand, guarantees that the cross-sectional dimension of stand 1 at the major stress position is greater than the cross-sectional dimension at the minor stress position department, and the stress ratio of rational utilization stand 1 has reduced the use amount of stand 1 material under the circumstances of guaranteeing stand 1 bending strength and stability, greatly reduced the cost. In this embodiment, the column 1 can be made of steel, so as to ensure the structural strength of the column 1.

As shown in fig. 1, since the bending moment applied to the column 1 from the top to the bottom is gradually increased, the size of the top cross section of the column 1 can be gradually increased to the size of the bottom cross section.

Preferably, the size of the top section of the upright post 1 is constant, so that the design of parts connected between the upright post 1 and the main beam is standardized and modularized, the design period of photovoltaic supports of different photovoltaic projects can be greatly shortened, the cost of a die for producing the parts is reduced, and the purpose of batch processing is achieved.

In this embodiment, as shown in fig. 1, the photovoltaic pillar further includes a connection assembly 2, the connection assembly 2 is disposed at the top of the pillar 1, and the connection assembly 2 is configured to rotatably connect the main beam to the pillar 1, so as to realize the rotatable connection between the main beam and the pillar 1.

Explaining the specific structure of the connecting assembly 2 with reference to fig. 1, as shown in fig. 1, the connecting assembly 2 includes a connecting member 21, a bearing mounting seat 22 and a bearing 23, the connecting member 21 is disposed at the top of the column 1, the bearing mounting seat 22 is disposed on the connecting member 21, the bearing 23 is rotatably disposed in the bearing mounting seat 22, the bearing 23 is sleeved on the periphery of the main beam, and the bearing 23 rotates relative to the bearing mounting seat 22, so as to drive the main beam and the photovoltaic assembly to rotate. Particularly, the connecting piece 21 and the bearing mounting seat 22 are both formed by extrusion of aluminum alloy, so that the processing is convenient, and the mounting is also convenient. Through setting up bearing 23, also greatly reduced the frictional resistance between coupling assembling 2 and the girder, be convenient for the rotation of girder more.

Referring to fig. 3, the concrete structure of the connecting member 21 is described, as shown in fig. 3, the connecting member 21 includes a U-shaped fixing plate 211, a supporting plate 212 and a mounting plate 213, two ends of the supporting plate 212 are respectively connected with the U-shaped fixing plate 211 and the mounting plate 213, the mounting plate 213 is connected with the bearing mounting seat 22, and the U-shaped fixing plate 211 is sleeved and fixed on the top of the upright 1. Through designing U type fixed plate 211, can increase the installation area at connecting piece 21 and stand 1 top to improve the installation stability between connecting piece 21 and the stand 1. In addition, by installing the bearing mounting seat 22 on the mounting plate 213, since the mounting surface of the mounting plate 213 is a plane, the connection between the bearing mounting seat 22 and the mounting plate 213 can be ensured to be more stable, and the reliability of the connection can be enhanced.

Preferably, as shown in fig. 3, a top plate of the U-shaped fixing plate 211 is attached to the top end of the upright post 1, and two side plates of the U-shaped fixing plate 211 are disposed obliquely in a direction away from the upright post 1. This mode of setting up makes U type fixed plate 211 inseparabler with the stand 1 installation cooperation of variable cross section, has improved the steadiness of both installations. Specifically, second mounting holes 2112 are formed in two side plates of the U-shaped fixing plate 211, and the fasteners 25 penetrate through the second mounting holes 2112 and are screwed into the upright posts 1, so that the U-shaped fixing plate 211 and the upright posts 1 are fastened and mounted. Specifically, the fastener 25 may be a bolt or the like, and the bolt connection is a detachable connection, and has the advantages of reliable connection and low cost.

Further, as shown in fig. 4, the two side plates of the U-shaped fixing plate 211 are provided with saw-toothed structures 2111 on the side facing the upright 1. Through setting up sawtooth structure 2111, increased the frictional force between two curb plates of U type fixed plate 211 and stand 1, further increased U type fixed plate 211 and stand 1 and connected fixed reliability.

In the present embodiment, as shown in fig. 3 and 4, the first lightening hole 2121 is formed on the supporting plate 212, so that the weight of the supporting plate 212 is reduced, the material used for the supporting plate 212 is saved, the cost is reduced, and the structural strength of the supporting plate 212 is enhanced.

Preferably, as shown in fig. 3, the bearing mounting seat 22 is provided with a second lightening hole 221, which not only reduces the weight of the bearing mounting seat 22, saves the used material of the bearing mounting seat 22, reduces the cost, but also enhances the structural strength of the bearing mounting seat 22.

In addition, as shown in fig. 3, the connecting assembly 2 further includes a locking member 24, the bearing mounting seat 22 is provided with an avoiding hole 222, a first mounting hole 2221 is formed in a hole wall of the avoiding hole 222, the mounting plate 213 is provided with a long waist hole 2131 extending along a width direction thereof, and the locking member 24 sequentially penetrates through the long waist hole 2131 and the first mounting hole 2221, so that the bearing mounting seat 22 is locked and fixed on the mounting plate 213. By providing relief holes 222 in bearing mount 22, a relief effect is provided for secure mounting of retaining member 24. In addition, through setting up long waist hole 2131, can adjust the position that installation flat plate 213 and bearing mount 22 are fixed along installation flat plate 213 width direction for adjust more nimble, guarantee that installation flat plate 213 can match the bearing mount 22 of installing different widths.

Preferably, as shown in fig. 3, the locking member 24 includes a bolt 241, a nut 242 and a spacer 243, the spacer 243 is disposed above the first mounting hole 2221, the spacer 243 is also disposed below the long-waist hole 2131, the bolt 242 sequentially passes through the spacer 243 below the long-waist hole 2131, the first mounting hole 2221 and the spacer 243 above the first mounting hole 2221, and then the nut 242 is screwed on the bolt 241 and abuts against the spacer 243 above the first mounting hole 2221, so as to achieve the locking and fastening of the locking member 24 to the bearing mounting seat 22 and the mounting plate 213. Through setting up, nut 242 and gasket 243, not only can guarantee the reliability of connecting, can also play the locking effect of shock attenuation. It should be noted that, in the present embodiment, the structure of the fastening member 25 is the same as that of the locking member 24, so as to ensure the reliability of the connection between the U-shaped fixing plate 211 and the upright 1.

In order to facilitate the installation of the locking member 24, as shown in fig. 3, the width of the installation plate 213 is larger than the widths of the U-shaped fixing plate 211 and the supporting plate 212, and a long waist hole 2131 is formed in the installation plate 213 at a position wider than the U-shaped fixing plate 211 and the supporting plate 212. This mode of setting up can guarantee that retaining member 24 installs the position at dull and stereotyped 213 wide U type fixed plate 211 of installation and backup pad 212 to avoid U type fixed plate 211 and backup pad 212 to cause the interference to the installation of retaining member 24, reserve out sufficient installation space, also be convenient for realize the fastening to retaining member 24 through instruments such as electric spanner, it is more convenient to operate.

In order to prevent the locking member 24 from rotating and loosening, as shown in fig. 5, a limiting plate 2222 is disposed inside the avoiding hole 222, and the limiting plate 2222 can limit the rotation of the nut 242, so that the locking member 24 is prevented from loosening and the locking effect of the locking member 24 is ensured.

Specifically, as shown in fig. 5, the limiting plate 2222 includes two sets of blocking arms 22221 arranged at intervals, the two blocking arms 22221 are fixed on the hole wall of the avoiding hole 222, the nut 242 is a hexagonal nut, the distance between the two sets of blocking arms 22221 needs to be greater than the diameter of the inscribed circle of the hexagonal nut, and the distance between the two blocking arms 22221 needs to be smaller than the diameter of the circumscribed circle of the hexagonal nut, this arrangement mode can ensure that the hexagonal nut is placed between the two blocking arms 22221 along both sides of the diameter of the inscribed circle, and can also prevent the hexagonal nut from rotating at the two side blocking arms 22221, so that the two blocking arms 22221 have a limiting effect on the rotation of the hexagonal nut.

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

1. A photovoltaic pillar, comprising:

stand (1), stand (1) includes first steel sheet (11) and second steel sheet (12), the both ends symmetric connection of first steel sheet (11) has second steel sheet (12), so that the transversal H type that personally submits of stand (1), and stand (1) adopts the variable cross section shape, the size of stand (1) bottom cross section is greater than the size of stand (1) top cross section.

2. Photovoltaic column according to claim 1, characterized in that the dimensions of the top section of the column (1) are constant.

3. The photovoltaic pillar of claim 1 or 2, further comprising:

a connection assembly (2) disposed at the top of the column (1), the connection assembly (2) being configured to rotatably connect a main beam to the column (1).

4. Photovoltaic post according to claim 3, characterized in that said connection assembly (2) comprises:

the connecting piece (21) is arranged at the top of the upright post (1);

a bearing mount (22) provided on the connecting member (21); and

the bearing (23), bearing (23) rotate to wear to establish in bearing mount pad (22), and bearing (23) cover is established on the periphery of girder.

5. The photovoltaic upright post according to claim 4, wherein the connecting member (21) comprises a U-shaped fixing plate (211), a supporting plate (212) and a mounting plate (213), the U-shaped fixing plate (211) and the mounting plate (213) are respectively connected to two ends of the supporting plate (212), the mounting plate (213) is connected with the bearing mounting seat (22), and the U-shaped fixing plate (211) is sleeved and fixed on the top of the upright post (1).

6. The photovoltaic upright post according to claim 5, wherein a top plate of the U-shaped fixing plate (211) is attached to the top end of the upright post (1), and two side plates of the U-shaped fixing plate (211) are obliquely arranged along a direction departing from the upright post (1).

7. Photovoltaic post according to claim 5, characterized in that the two side plates of the U-shaped fixing plate (211) are provided with a saw tooth structure (2111) on the side facing the post (1).

8. The photovoltaic upright post as claimed in claim 5, wherein the support plate (212) is provided with a first lightening hole (2121);

and a second lightening hole (221) is formed in the bearing mounting seat (22).

9. The photovoltaic upright post according to claim 5, wherein the connecting assembly (2) further comprises a locking member (24), the bearing mounting seat (22) is provided with an avoiding hole (222), the wall of the avoiding hole (222) is provided with a first mounting hole (2221), the mounting plate (213) is provided with a long waist hole (2131) extending along the width direction of the mounting plate, and the locking member (24) sequentially penetrates through the long waist hole (2131) and the first mounting hole (2221).

10. The photovoltaic upright post according to claim 9, wherein the width of the mounting plate (213) is larger than the widths of the U-shaped fixing plate (211) and the supporting plate (212), and the long waist hole (2131) is opened on the portion of the mounting plate (213) which is wider than the U-shaped fixing plate (211) and the supporting plate (212).

11. Photovoltaic upright according to claim 9, wherein a limit plate (2222) is arranged inside the avoiding hole (222), and the limit plate (2222) is configured to limit the rotation of the locking member (24).

12. A photovoltaic support comprising a photovoltaic post according to any one of claims 1 to 11.

13. A photovoltaic power generation device comprising the photovoltaic support of claim 12.