CN222262556U - Roof anti-overturning solar photovoltaic system - Google Patents

Abstract

The utility model discloses a roof anti-overturning solar photovoltaic system which comprises a photovoltaic support and a solar photovoltaic unit, wherein the photovoltaic support comprises a base unit, an upright post unit, a front supporting unit and a rear supporting unit, the front supporting unit is inclined from the top to the front lower side, the rear supporting unit is inclined from the top to the rear lower side, the solar photovoltaic unit comprises a front photovoltaic plate and a rear photovoltaic plate, the front photovoltaic plate is parallel to the front supporting unit, the gradient of the front photovoltaic plate is 10%, the rear photovoltaic plate is parallel to the rear supporting unit, and the gradient of the rear photovoltaic plate is 5%. The utility model adopts a north-south double-slope design, completely does not have shadow shielding, only needs to set the width of the overhaul channel between the photovoltaic arrays, maximally utilizes the roof area, further improves the generated energy, and has the advantages of mutual exclusion of wind load distribution directions born by the front support unit and the rear support unit, stability improvement, weight reduction of the foundation unit and further prevention of damage to the roof caused by overlarge concentrated load.

Description

Roof anti-overturning solar photovoltaic system

Technical Field

The utility model relates to photovoltaic power generation, in particular to a roof anti-overturning solar photovoltaic system.

Background

In recent years, roof-top distributed solar photovoltaic systems have been developed and used on a large scale. The high-quality industrial and commercial roof is a high-quality treasure resource for installing a roof photovoltaic system. At present, photovoltaic panels on a roof are generally arranged facing the sun, and in order to avoid shading among the photovoltaic panels, enough intervals are usually reserved to ensure illumination time of different photovoltaic panels, so that the photovoltaic utilization rate is improved but the roof utilization rate is reduced. In addition, in extreme weather in recent years, accidents of being knocked over by strong wind are increased, and the weight of a pressing block is increased to ensure the wind-resistant overturning performance of the bracket, so that the original roof is damaged due to overlarge concentrated load.

Disclosure of Invention

In view of the above, the utility model provides a roof anti-overturning solar photovoltaic system, which not only can improve the utilization rate of a roof on the basis of ensuring illumination, but also can improve the anti-overturning performance of a photovoltaic panel.

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

The roof anti-overturning solar photovoltaic system comprises a photovoltaic support arranged on a roof and a solar photovoltaic unit arranged on the photovoltaic support, wherein the photovoltaic support comprises a base unit arranged on the roof, a stand column unit arranged on the base unit, a front supporting unit and a rear supporting unit which are arranged on the stand column unit, the front supporting unit is inclined from the top to the front lower side, the rear supporting unit is inclined from the top to the rear lower side, the solar photovoltaic unit comprises a front photovoltaic plate fixed on the front supporting unit and a rear photovoltaic plate arranged on the rear supporting unit, the front photovoltaic plate is parallel to the front supporting unit, the gradient of the front photovoltaic plate is 10%, the rear photovoltaic plate is parallel to the rear supporting unit, and the gradient of the rear photovoltaic plate is 5%.

The photovoltaic support has the advantages that the photovoltaic support adopts a north-south double-slope design, shadow shielding is completely avoided, only the width of a maintenance channel is required to be arranged between the photovoltaic arrays, the roof area is utilized to the maximum extent, and the generated energy is further improved.

During practical construction, the SBS waterproof layer can be paved on the roof below the strip-shaped foundation pressing block, so that on one hand, the load is uniformly dispersed and transferred to the roof to protect the original roof, and on the other hand, the waterproof performance of the roof is improved.

The front support unit comprises a plurality of front oblique beams which are longitudinally arranged and front purlins which are transversely arranged on the front oblique beams, one end of each front oblique beam is arranged at the top of each front upright, the other end of each front oblique beam is arranged at the top of each middle upright, the front photovoltaic panel is fixed on the front purlins, the rear support unit comprises a plurality of rear oblique beams which are longitudinally arranged and rear purlins which are transversely arranged on the rear oblique beams, one end of each rear oblique beam is arranged at the top of each rear upright, the other end of each rear oblique beam is arranged at the top of each middle upright, the front photovoltaic panel is fixed on each front purlin, and the rear support unit comprises a plurality of rear oblique beams which are longitudinally arranged and rear purlins which are transversely arranged on the rear oblique beams. The photovoltaic truss system has the beneficial effects that the foundation blocks, the upright posts, the inclined beams and the purlines form the photovoltaic truss system with the north-south double slopes, the south-north double slopes are mutually exclusive under the load direction, and can be mutually offset, so that the anti-overturning performance is improved, the requirement on the weight of the foundation blocks is reduced to a certain extent, and the weight of the foundation blocks is further reduced

Preferably, connecting bolts are embedded in the front foundation block, the upper parts of the connecting bolts upwards extend out of the front foundation block, and column feet at the bottom of the front upright column are fixedly connected with the front foundation block through the connecting bolts to provide stable support for the photovoltaic bracket. Of course, during actual construction, bolts are also embedded in each middle foundation block and each rear foundation block, and then are fixedly connected with the middle upright post and the rear upright post respectively.

Preferably, the photovoltaic bracket further comprises a plurality of pairs of front diagonal braces and rear diagonal braces, the lower parts of the front diagonal braces and the rear diagonal braces are hinged to the lower parts of the middle vertical columns, the top of the front diagonal braces are hinged to the middle upper part of the front diagonal beams, and the top of the rear diagonal braces are hinged to the middle upper part of the rear diagonal beams. The photovoltaic bracket has the beneficial effects that the inclined beams and the middle vertical columns are connected one by using the inclined struts, so that the integrity and the stability of the photovoltaic bracket are effectively ensured.

Compared with the prior art, the photovoltaic support has the advantages that the design of the north and south double slopes is adopted, shadow shielding is not generated at all, the width of the overhaul channel is only required to be set between the photovoltaic arrays, the roof area is utilized to the maximum extent, and the generated energy is further improved.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic view of a second connector according to the present utility model.

Fig. 3 is a wind load schematic view of the photovoltaic bracket of the present utility model.

Detailed Description

The following describes embodiments of the present utility model in detail with reference to the accompanying drawings, and the embodiments and specific operation procedures are given by the embodiments of the present utility model under the premise of the technical solution of the present utility model, but the scope of protection of the present utility model is not limited to the following embodiments.

It should be noted that in the description of the present utility model, 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.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or communicating between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art in specific cases.

As shown in figures 1 and 3, the roof anti-overturning solar photovoltaic system comprises a photovoltaic support arranged on a roof and a solar photovoltaic unit arranged on the photovoltaic support, wherein the photovoltaic support comprises a base unit arranged on the roof, a column unit arranged on the base unit, a front supporting unit and a rear supporting unit which are arranged on the column unit, the front supporting unit inclines forwards and downwards from the top, the rear supporting unit inclines backwards and downwards from the top, the solar photovoltaic unit comprises a front photovoltaic plate 1.1 fixed on the front supporting unit and a rear photovoltaic plate 1.2 arranged on the rear supporting unit, the front photovoltaic plate 1.1 is parallel to the front supporting unit, the gradient of the front photovoltaic plate 1.1 is 10% and is distributed towards the sun, the rear photovoltaic plate 1.2 is parallel to the rear supporting unit, and the gradient of the rear photovoltaic plate 1.2 is 5%. The photovoltaic support is designed by adopting a north-south double-slope mode, shadow shielding is completely avoided, only the width of a maintenance channel is required to be arranged between the photovoltaic arrays, the roof area is utilized to the maximum extent, and the generated energy is further improved.

As can be seen from fig. 1, the foundation unit comprises a row of front foundation blocks 2.1 arranged at intervals, a row of middle foundation blocks 2.2 arranged at intervals and a row of rear foundation blocks 2.3 arranged at intervals, and the upright unit comprises a row of front uprights 3.1 arranged on the front foundation blocks 2.1, a row of middle uprights 3.2 arranged on the middle foundation blocks 2.2 and a row of rear uprights 3.3 arranged on the rear foundation blocks 2.3, wherein the uprights and the foundation blocks are in one-to-one correspondence, namely, each foundation block is provided with an upright;

The front support unit comprises a plurality of front inclined beams 4.1 which are longitudinally distributed and front purlins 5.1 which are transversely fixed on the front inclined beams 4.1, the number of the front inclined beams 4.1 is consistent with that of the middle vertical columns 3.2, the front vertical columns 3.1, the middle vertical columns 3.2 and the rear vertical columns 3.3 are distributed in groups and are corresponding to each other front and back, the front ends of the front inclined beams 4.1 are arranged at the top of the front vertical columns 3.1, the rear ends of the front inclined beams 4.1 are arranged at the top of the middle vertical columns 3.2, the rear ends of the front inclined beams 4.1 are higher than the front ends of the front inclined beams, the gradient of the front inclined beams 4.1 is ensured to be 10%, the front photovoltaic panel 1.1 is fixed on the front purlins 5.1, the gradient of the front photovoltaic panel is 10%, the rear support unit comprises a plurality of rear inclined beams 4.2 which are longitudinally distributed and rear strips 5.2 which are transversely arranged on the rear inclined beams 4.2, the rear ends of the rear inclined beams 4.2 are arranged at the top of the rear vertical columns 3.3.3, the rear ends of the rear inclined beams 4.2 are arranged at the top of the rear vertical columns 3.2, the rear photovoltaic panel 2 is controlled by the gradient of the front panel 2.5;

The photovoltaic bracket also comprises a plurality of pairs of front inclined struts 6.1 and rear inclined struts 6.2, wherein the lower part of the front inclined struts 6.1 is hinged to the lower part of the middle upright 3.2, the top part of the front inclined struts is hinged to the middle upper part of the front inclined beam 4.1, the lower part of the rear inclined struts 6.2 is hinged to the lower part of the middle upright 3.2, and the top part of the rear inclined struts 6.2 is hinged to the middle upper part of the rear inclined beam 4.2.

In the utility model, the foundation blocks, the upright posts, the inclined beams and the purlines form the photovoltaic bracket on the north-south double slope, and the directions of the received wind loads are mutually exclusive and can be mutually offset, so that the integrity, the stability and the wind resistance of the photovoltaic bracket are further improved, the overturning condition is avoided as much as possible, in addition, the requirement on the weight of the foundation blocks is reduced to a certain extent, the weight of the foundation blocks is reduced, and the influence of the foundation blocks on a roof is further reduced.

In actual construction, SBS waterproof layers are laid below each foundation block, so that on one hand, loads are uniformly dispersed and transferred to the roof to protect the original roof, and on the other hand, the waterproof performance of the roof is improved.

As can be seen from fig. 1, the front foundation block 2.1 is embedded with a connecting bolt, the upper portion of the connecting bolt extends upwards out of the front foundation block 2.1, and the column base at the bottom of the front upright column 3.1 is fixedly connected with the front foundation block 2.1 through the connecting bolt, so as to provide stable support for the photovoltaic bracket. In actual construction, bolts are also pre-buried in each middle foundation block 2.2, so that the column feet at the bottom of the middle foundation blocks 2.2 are fixed on the middle foundation blocks 2.2 through connecting bolts, and similarly, the column feet at the bottom of the rear upright columns 3.3 are fixed on the rear foundation blocks 2.3 through pre-buried connecting bolts. In addition, the front foundation block 2.1, the middle foundation block 2.2 and the rear foundation block 2.3 are all long-strip-shaped concrete foundations, so that loads can be better dispersed.

As can be seen in connection with fig. 1, the front uprights 3.1 and the front diagonal members 4.1, the front diagonal members 6.1 and the front diagonal members 4.1, the rear diagonal members 6.2 and the rear diagonal members 4.2 and the rear uprights 3.3 and the rear diagonal members 4.2 are respectively connected by first connecting members 7 which are triangular. Taking the connection between the front upright 3.1 and the front oblique beam 4.1 as an example, the top of the front upright 3.1 is hinged on a first connecting piece 7, and the long side of the first connecting piece 7 is fixed at the lower end part of the front oblique beam 4.1. The front oblique beam 4.1 and the rear oblique beam 4.2 are connected with the neutral column 3.2 through a second connecting piece 8, the second connecting piece 8 is provided with a vertical mounting groove 8.1, a front mounting groove 8.2 matched with the front oblique beam 4.1 and a rear mounting groove 8.3 matched with the rear oblique beam 4.2, the top of the neutral column 3.2 is hinged in the vertical mounting groove 8.1, the upper end part of the front oblique beam 4.1 is hinged in the front mounting groove 8.2, and the upper end part of the rear oblique beam 4.2 is hinged in the rear mounting groove 8.3, so that the installation is simple and convenient, and the special reference is made to fig. 1 and 2.

It should be emphasized that the above description is merely a preferred embodiment of the present utility model, and the present utility model is not limited to the above embodiment, but may be modified without inventive effort or equivalent substitution of some of the technical features described in the above embodiments by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (4)

1. The roof anti-overturning solar photovoltaic system comprises a photovoltaic support arranged on a roof and a solar photovoltaic unit arranged on the photovoltaic support, and is characterized in that the photovoltaic support comprises a base unit arranged on the roof, a stand column unit arranged on the base unit, a front supporting unit and a rear supporting unit which are arranged on the stand column unit, the front supporting unit inclines from the top to the front lower side, the rear supporting unit inclines from the top to the rear lower side, the solar photovoltaic unit comprises a front photovoltaic plate fixed on the front supporting unit and a rear photovoltaic plate arranged on the rear supporting unit, the gradient of the front photovoltaic plate is 10% and the gradient of the rear photovoltaic plate is 5% and is parallel to the rear supporting unit.

2. The roof anti-overturning solar photovoltaic system of claim 1, wherein the base unit comprises a row of front base blocks arranged at intervals, a row of middle base blocks arranged at intervals and a row of rear base blocks arranged at intervals, and the upright column unit comprises a row of front upright columns arranged on the front base blocks, a row of middle upright columns arranged on the middle base blocks and a row of rear upright columns arranged on the rear base blocks;

The front support unit comprises a plurality of front oblique beams which are longitudinally distributed and front purlines which are transversely arranged on the front oblique beams, one end of each front oblique beam is arranged at the top of each front upright column, the other end of each front oblique beam is arranged at the top of each middle upright column, and the front photovoltaic plate is fixed on each front purline;

The rear supporting unit comprises a plurality of rear inclined beams which are longitudinally distributed and rear purlines which are transversely arranged on the rear inclined beams, one end of each rear inclined beam is arranged at the top of each rear upright post, the other end of each rear inclined beam is arranged at the top of each middle upright post, and the rear photovoltaic panel is fixed on each rear purline.

3. The roof anti-overturning solar photovoltaic system of claim 2, wherein connecting bolts are embedded in the front foundation blocks, the upper parts of the connecting bolts extend upwards out of the front foundation blocks, and column feet at the bottoms of the front upright columns are fixedly connected with the front foundation blocks through the connecting bolts.

4. The roof anti-overturning solar photovoltaic system of claim 2, wherein the photovoltaic bracket further comprises a plurality of pairs of front diagonal braces and rear diagonal braces, wherein lower parts of the front diagonal braces and the rear diagonal braces are hinged to lower parts of the middle vertical columns, a top part of the front diagonal brace is hinged to the middle upper part of the front diagonal beam, and a top part of the rear diagonal brace is hinged to the middle upper part of the rear diagonal beam.