CN219875573U

CN219875573U - Photovoltaic support and photovoltaic device

Info

Publication number: CN219875573U
Application number: CN202321221792.6U
Authority: CN
Inventors: 计枚选; 杨印廷; 陈伟奇; 王晓蕙
Original assignee: Huaneng International Engineering Technology Co ltd
Current assignee: Huaneng International Engineering Technology Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-10-20
Anticipated expiration: 2033-05-19

Abstract

The utility model provides a photovoltaic support and a photovoltaic device, relates to the technical field of solar energy, and is designed for solving the problem of high load of the photovoltaic support on a roof. The photovoltaic bracket comprises a stand column; the inclined strut is connected to the lower part of the upright post; the bottom plate is fixedly connected to the bottom end of the upright post and provided with a first preformed hole; the first embedded bolt penetrates through the first preformed hole and is configured to be embedded on the upper surface of the roof; and the pressing block is connected to the bottom end of the diagonal brace and is arranged on the bottom plate. The photovoltaic bracket provided by the utility model can reduce the load on the roof.

Description

Photovoltaic support and photovoltaic device

Technical Field

The utility model relates to the technical field of solar energy, in particular to a photovoltaic bracket and a photovoltaic device.

Background

Conventionally, in order to fix a support of a photovoltaic device, the following two methods are generally adopted: 1. the concrete buttress is adopted to prevent the buttress from being embedded on the roof, and the upright post of the photovoltaic bracket is connected with the embedded bolt on the concrete buttress; 2. the photovoltaic support is fixed by adopting a concrete pressing block. However, in both of these methods, the load on the roof is usually relatively large. Most of the safety conforming results of the roofs cannot meet the requirements, and the roofs are required to be reinforced or the design scheme is required to be optimized. The concrete has relatively high reinforcing difficulty and high cost, so that only design optimization is performed, and the local load effect of the photovoltaic system on the roof is reduced so as to pass through safety rechecking.

Disclosure of Invention

The first object of the utility model is to provide a photovoltaic bracket, which solves the technical problem that the existing photovoltaic bracket has larger load on a roof.

The photovoltaic bracket provided by the utility model comprises:

a column;

the inclined strut is connected to the lower part of the upright post;

the bottom plate is fixedly connected to the bottom end of the upright post and provided with a first preformed hole;

the first embedded bolt penetrates through the first preformed hole and is configured to be embedded on the upper surface of the roof; the method comprises the steps of,

and the pressing block is connected to the bottom end of the diagonal brace and is arranged on the bottom plate.

The first embedded bolt is arranged on the upper surface of the roof, the photovoltaic bracket is fixed by the first embedded bolt, and the bottom plate is pressed by the pressing block, so that the problem that the photovoltaic bracket is poor in fixing effect due to the influence of wind power can be prevented; in addition, the upright post and the pressing block are connected by the diagonal brace, when the pressing block is needed to press by the large wind force to resist the wind load, the weight of the pressing block can be used for applying tension to the upright post by the diagonal brace so as to balance the bending moment generated by the wind load, the bending moment born by the bottom plate can be obviously reduced, and the wind load resisting capacity is improved. Moreover, the scheme of matching the first embedded bolt with the pressing block is adopted, so that the weight of the pressing block is reduced, the load of the photovoltaic bracket on the roof is further reduced, the passing rate of safety detection of the concrete roof is improved, and the installed capacity of the photovoltaic device is increased. The cost of bolts implanted into the roof is far lower than that of concrete short columns and pressing blocks, so that the scheme can save the fixed cost of the photovoltaic bracket.

In the preferred technical scheme, the photovoltaic support further comprises a stand hoop, the stand hoop is provided with a connecting lug plate, and the upper end of the diagonal brace is pivoted with the connecting lug plate.

In the preferred technical scheme, the stand staple bolt includes two staple bolt monomers of being connected through male threaded connection spare, every the staple bolt monomer all has arc portion and sets up arc portion both ends connect the otic placode, threaded connection spare passes two the staple bolt monomer sets up relatively connect the otic placode, diagonal brace with two the staple bolt monomer sets up relatively connect the otic placode pin joint.

In the preferred technical scheme, the bottom pin joint of diagonal brace has the pin joint seat, the bottom of pin joint seat is fixed with the second pre-buried bolt of pre-buried briquetting.

In a preferred technical scheme, the pivot seat further comprises side wall parts arranged in pairs, and the bottoms of the diagonal braces are pivoted between the side wall parts which are oppositely arranged.

In the preferred technical scheme, the bottom plate comprises a bottom plate body and extension beams, wherein the extension beams are arranged on two opposite sides of the bottom plate body, and the pressing blocks are arranged on the extension beams.

In the preferred technical scheme, the bottom surface of briquetting is equipped with the recess, the extension beam with the recess adaptation.

In a preferred technical scheme, the free end of the extension beam is exposed out of the side face of the pressing block.

In a preferred technical scheme, the first preformed hole is located between the pressing block and the upright post.

The second object of the present utility model is to provide a photovoltaic device, so as to solve the technical problem that the load of the photovoltaic bracket on the roof is large.

The photovoltaic device comprises a photovoltaic module and the photovoltaic bracket, wherein the photovoltaic module is arranged on the photovoltaic bracket.

By arranging the photovoltaic support in the photovoltaic device, the photovoltaic device has all the advantages of the photovoltaic support, and accordingly, the description is omitted herein.

Drawings

In order to more clearly illustrate the technical solutions of embodiments or background art of the present utility model, the drawings that are needed in the description of the embodiments or background art will be briefly described below, and it is apparent that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a photovoltaic bracket according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view A-A of FIG. 1;

fig. 3 is a schematic structural diagram of a pivot seat in a photovoltaic bracket according to an embodiment of the present utility model;

FIG. 4 is a left side view of FIG. 3;

reference numerals illustrate:

10-stand columns; 20-diagonal bracing; 30-a bottom plate; 31-a base plate body; 32-extending beams; 40-first embedded bolts; 50-briquetting; 60-column hoops; 61-connecting an ear plate; 62-an arcuate plate portion; 70-a pivot seat; 71-sidewall portions; 72-a bottom wall portion; 73-pin joint holes; 80-roof.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Embodiment one:

as shown in fig. 1 to 3, a photovoltaic bracket provided in a first embodiment of the present utility model includes:

a column 10;

a diagonal brace 20 connected to the lower portion of the column 10;

the bottom plate 30 is fixedly connected to the bottom end of the upright post 10, and the bottom plate 30 is provided with a first preformed hole;

the first pre-buried bolt 40 passes through the first pre-reserved hole and is configured to be pre-buried on the upper surface of the roof 80; the method comprises the steps of,

the pressing block 50 is connected to the bottom end of the diagonal brace 20 and is disposed on the bottom plate 30.

By arranging the first embedded bolts 40 on the upper surface of the roof 80, the photovoltaic bracket is fixed by the first embedded bolts 40, and the bottom plate 30 is fixed by the pressing blocks 50, so that the problem that the photovoltaic bracket is poor in fixing effect due to wind force can be prevented; in addition, when the inclined strut 20 is used for connecting the upright post 10 and the pressing block 50 is required to press the bottom plate 30 to resist wind load due to large wind force, the weight of the pressing block 50 can be used for applying tension to the upright post 10 through the inclined strut 20 so as to balance bending moment generated by wind load, the bending moment born by the bottom plate 30 can be obviously reduced, and the capability of resisting wind load is improved. Moreover, the scheme of matching the first embedded bolt 40 with the pressing block 50 is adopted, so that the weight of the pressing block 50 is reduced, the load of the photovoltaic bracket on the roof 80 is further reduced, the passing rate of safety detection of the concrete roof is improved, and the installed capacity of the photovoltaic device is increased. This solution also saves the fixed costs of the photovoltaic brackets, since the cost of the bolts to implant the roof 80 is far less than the cost of the concrete studs and compacts 50.

Preferably, the photovoltaic bracket further comprises a stand hoop 60, the stand hoop 60 is provided with a connecting lug plate 61, and the upper end of the diagonal brace 20 is pivoted with the connecting lug plate 61.

The inclined stay 20 is pivoted with the connecting lug plate 61 at the upper end, so that when the position of the pressing block 50 is not completely and accurately installed, the relative angle between the pressing block 50 and the upper end of the inclined stay 20 and the connecting lug plate 61 can be adjusted, and the movement of the pressing block 50 during installation of a heavier object is reduced, thereby being beneficial to improving the installation efficiency.

Preferably, the stand anchor ear 60 includes two anchor ear monomers connected by a male screw connector, each anchor ear monomer has an arc plate portion 62 and a connecting lug plate 61 disposed at two ends of the arc plate portion 62, the male screw connector passes through the connecting lug plate 61 disposed oppositely to the two anchor ear monomers, and the diagonal brace 20 is pivoted with the connecting lug plate 61 disposed oppositely to the two anchor ear monomers.

Specifically, each hoop unit includes a connecting lug plate 61, an arc plate portion 62 and another connecting lug plate 61 sequentially disposed along a length direction thereof, wherein a central angle of each arc plate portion 62 is smaller than 180 °, for example, may be 120 ° to 150 °. The length direction of each hoop monomer is horizontally arranged, and the two hoop monomers are oppositely arranged.

By arranging two anchor ear monomers and fixing two corresponding connecting lug plates 61 by using a male thread connecting piece such as a screw or a bolt, not only is the upright anchor ear 60 clamped on the upright 10 realized, but also the fixing of the top position of the diagonal brace 20 is realized, thereby preventing the shaking of the top of the diagonal brace 20.

Preferably, the bottom of the diagonal brace 20 is pivotally connected to a pivot seat 70, and the bottom of the pivot seat 70 is fixed to a second embedded bolt (not shown) embedded in the pressing block 50.

The pivot seat 70 is disposed on the upper surface of the pressing block 50. Specifically, two second pre-embedded bolts may be disposed on each pressing block 50, and the second pre-embedded bolts pass through the through holes at the bottom of the pivot seat 70 to fix the pivot seat 70

By arranging the pivot seat 70 at the bottom of the diagonal brace 20 to be fixed with the pressing block 50, the pivot seat 70 is fixed on the upper surface of the pressing block 50, so that not only can the diagonal brace 20 bear the supporting force of the pressing block 50 along the direction of the diagonal brace 20, but also when the diagonal brace 20 at the side is pulled, namely wind force blows to the photovoltaic device from the same side, the pressing block 50 can exert pulling force on the diagonal brace 20 when the photovoltaic bracket has a tilting trend towards the direction deviating from the side, and the upright post 10 is pulled by the diagonal brace 20, so that the bottom plate 30 is prevented from bearing excessive load.

Preferably, the pivot base 70 further includes side wall portions 71 disposed in pairs, and the bottom portion of the diagonal brace 20 is pivotally connected between the oppositely disposed side wall portions 71.

Specifically, the pivot seat 70 includes a pair of side wall portions 71 disposed opposite to each other, bottoms of the two side wall portions 71 are connected by a bottom wall portion 72, and a second embedded bolt passes through the bottom wall portion 72. The two side wall portions 71 are substantially triangular, and the pivotal hole 73 between the diagonal brace 20 and the side wall portion 71 is provided at an upper portion of the side wall portion 71.

By pivotally connecting the diagonal brace 20 between the oppositely disposed side wall portions 71, the two side wall portions 71 can be used to transmit force with the diagonal brace 20, so that the mode of action of the pivot shaft for pivotally connecting the diagonal brace 20 and the side wall portions 71 is a simple beam mode, the bending moment of the side wall portions 71 is reduced, the rigidity of the side wall portions 71 is improved, and the service life of the diagonal brace is prolonged.

Preferably, the base plate 30 includes a base plate body 31 and extension beams 32, the extension beams 32 are disposed at opposite sides of the base plate body 31, and the pressing blocks 50 are disposed on the extension beams 32.

Specifically, in the present embodiment, the base plate body 31 is rectangular, the extension beams 32 are disposed on both sides of the base plate body 31 in the width direction, and the two extension beams 32 are disposed in line with the center of the base plate body 31. Wherein the extension beam 32 is a steel beam. Accordingly, the column 10 is also fixed to the center of the floor body 31.

By arranging the extension beams 32 on the opposite sides of the bottom plate body 31 so that the pressing blocks 50 are arranged on the extension beams 32, the material consumption of the bottom plate 30 can be reduced, the cost is reduced, the total weight of the photovoltaic bracket is reduced, the load on the roof 80 is reduced, and the safety of the roof 80 is improved.

Preferably, the bottom surface of the press block 50 is provided with a groove, and the extension beam 32 is adapted to the groove.

Specifically, the notch of the groove is disposed downward. Wherein, the extension beam 32 is adapted to the groove, which means that the groove not only can accommodate the lower extension beam 32, but also two side walls of the groove are respectively attached to two side edges of the extension beam 32. Further, the cross section of the groove is consistent with the cross section size and shape of the extension beam 32. Alternatively, when the recess accommodates the extension beam 32, the weight of the press block 50 may also act directly on the roof 80, and in the case of the same weight, the size of the load distribution area may be increased, which is advantageous for improving the stress of the roof 80.

Through set up recess and extension beam 32 adaptation in the bottom surface of briquetting 50, can utilize extension beam 32 to carry out horizontal location to briquetting 50, prevent that briquetting 50 from reciprocating down many times again and causing briquetting 50 offset in position because of diagonal brace 20 atress is pulled up.

Preferably, the free ends of the extension beams 32 are exposed to the sides of the press block 50.

Through the free end that makes extension beam 32 expose in briquetting 50 side, can make briquetting 50 have more displacement volume relative to extension beam 32, so when this photovoltaic support of fixed mounting, only need place briquetting 50 on extension beam 32 to utilize diagonal brace 20 to confirm after the stand staple bolt 60 screw up the fastener of stand staple bolt 60 can, improved assembly efficiency.

Preferably, the first preformed hole is located between the press block 50 and the column 10.

By providing the first preformed hole between the press block 50 and the upright 10, the first embedded bolt 40 is not required to bear a large force. As for the load generated against the wind, the load can be mainly borne by the pressing block 50 which is far away from the upright post 10 and is transmitted to the upright post 10 through the diagonal brace 20 and the upright post hoop 60, so that the size of the first embedded bolt 40 can be reduced, and the damage to the upper surface of the roof 80 can be reduced.

Embodiment two:

the second embodiment also provides a photovoltaic device, which comprises a photovoltaic module and the photovoltaic bracket of the first embodiment, wherein the photovoltaic module is arranged on the photovoltaic bracket.

Although the present utility model is disclosed above, the present utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and the scope of the utility model should be assessed accordingly to that of the appended claims.

Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

In the above embodiments, descriptions of orientations such as "up", "down", and the like are shown based on the drawings.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model.

Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A photovoltaic bracket, comprising:

a column (10);

a diagonal brace (20) connected to the lower part of the upright (10);

the bottom plate (30) is fixedly connected to the bottom end of the upright post (10), and the bottom plate (30) is provided with a first preformed hole;

the first embedded bolt (40) passes through the first preformed hole and is configured to be embedded on the upper surface of the roof (80); the method comprises the steps of,

the pressing block (50) is connected to the bottom end of the diagonal brace (20) and is arranged on the bottom plate (30).

2. The photovoltaic bracket according to claim 1, further comprising a post anchor (60), the post anchor (60) having a connection lug (61), the upper end of the diagonal brace (20) being pivotally connected to the connection lug (61).

3. The photovoltaic bracket according to claim 2, wherein the column anchor ear (60) comprises two anchor ear units connected by a male screw connector, each anchor ear unit has an arc plate portion (62) and connecting ear plates (61) disposed at two ends of the arc plate portion (62), the screw connector penetrates through the connecting ear plates (61) disposed opposite to the two anchor ear units, and the diagonal brace (20) is pivoted with the connecting ear plates (61) disposed opposite to the two anchor ear units.

4. The photovoltaic bracket according to claim 2, characterized in that the bottom of the diagonal brace (20) is pivoted with a pivot seat (70), and the bottom of the pivot seat (70) is fixed with a second embedded bolt embedded in the pressing block (50).

5. The photovoltaic bracket according to claim 4, characterized in that the pivoting seat (70) further comprises side wall portions (71) arranged in pairs, the bottom of the diagonal strut (20) being pivoted between the oppositely arranged side wall portions (71).

6. The photovoltaic bracket according to any of claims 1-5, characterized in that the base plate (30) comprises a base plate body (31) and extension beams (32), the extension beams (32) being arranged on opposite sides of the base plate body (31), the press blocks (50) being placed on the extension beams (32).

7. The photovoltaic bracket according to claim 6, characterized in that the bottom surface of the press block (50) is provided with a groove, and the extension beam (32) is adapted to the groove.

8. The photovoltaic bracket according to claim 6, characterized in that the free ends of the extension beams (32) are exposed to the sides of the press block (50).

9. The photovoltaic bracket according to any of claims 1-5 or 7 or 8, characterized in that the first preformed hole is located between the briquette (50) and the stud (10).

10. A photovoltaic device comprising a photovoltaic module and the photovoltaic bracket of any of claims 1-9, the photovoltaic module being mounted to the photovoltaic bracket.