CN213879701U

CN213879701U - Purlin bearing structure and be applicable to two-sided photovoltaic module's support

Info

Publication number: CN213879701U
Application number: CN202023155025.9U
Authority: CN
Inventors: 方少军; 汝强; 郭勇; 王悠
Original assignee: Versolsolar Hangzhou Co ltd
Current assignee: Versolsolar Hangzhou Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-08-03
Anticipated expiration: 2030-12-24

Abstract

The utility model provides a purlin bearing structure and be applicable to double-sided photovoltaic module's support, purlin bearing structure includes purlin, a pair of bearing diagonal and pushes down the pole, the bearing diagonal is connected respectively at the both ends of depression bar down, the other end of bearing diagonal is connected with the purlin, be equipped with a pair of bolt to wearing down between depression bar and the purlin, to wearing to passing side's pipe girder between the bolt, the purlin is fixed mutually rather than the double-sided photovoltaic module's of top frame. In the utility model, the purline is just connected with the photovoltaic module frame, namely is just positioned at the joint gap of two adjacent photovoltaic modules, thereby avoiding the purline from generating shadow shielding on the photovoltaic modules; in addition, only one square pipe main beam is adopted in the support, and the purlines are installed by the square pipe main beam, so that shadow shielding caused by the main beam and the purlines on the back of the photovoltaic assembly is avoided, the power generation efficiency is ensured, and the cost is greatly reduced compared with the traditional mode.

Description

Purlin bearing structure and be applicable to two-sided photovoltaic module's support

Technical Field

The utility model relates to a solar PV modules support especially relates to a purlin bearing structure and be applicable to two-sided photovoltaic module's support.

Background

At present, the photovoltaic module is classified into a traditional single-side module and a double-side module, and compared with the single-side module, the back of the double-side module can also absorb sunlight so as to improve the power generation capacity of the module. Since the next half of 2019, the price gap between single-sided and double-sided assemblies has been almost negligible, and manufacturers of batteries and assemblies in the head have been vigorously spreading double-sided assemblies. The total shipment rate of the double-sided components in each head manufacturer has reached 30% in 6 months, which makes the double-sided components superior by virtue of their larger capacity.

However, the efficiency of the bifacial module power generation is affected by conditions such as ground reflectivity, module installation height, module coverage to the Ground (GCR), shadow masking, and the like. Traditional fixed ground support structural style is comparatively single, to the array that the subassembly was erected to adorn, generally adopts the installation sloping on the stand, and the crossbeam east and west trend is installed on the sloping, and the subassembly is installed again on the crossbeam, and the position of sloping and stand is confirmed by the interval of pile foundation, and crossbeam and sloping all produced the shadow to the back of subassembly and sheltered from, influence its generating efficiency.

Therefore, it is desirable to provide a novel support structure to reduce the shielding of the double-sided photovoltaic module by the support structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a purlin bearing structure to the problem that exists among the prior art.

For this reason, the above-mentioned purpose of the present invention is achieved by the following technical solutions:

a purlin bearing structure which characterized in that: the purlin bearing structure comprises a purlin, a pair of inclined supports and a lower pressing rod, the inclined supports are connected to two ends of the lower pressing rod respectively, the other ends of the inclined supports are connected with the purlin, a pair of penetrating bolts are arranged between the lower pressing rod and the purlin, a square pipe girder penetrates through the penetrating bolts and is limited, and the purlin is fixed with a frame of the double-sided photovoltaic module above the purlin.

When adopting above-mentioned technical scheme, the utility model discloses can also adopt or make up and adopt following technical scheme:

as the utility model discloses a preferred technical scheme: the purlines are in a shape like a Chinese character 'ji', and screw holes for fixing the double-sided photovoltaic module frame above the purlines are formed in the top surfaces of the Chinese character 'ji' shaped purlines.

As the utility model discloses a preferred technical scheme: and a stop gasket is also arranged on the opposite-penetrating bolt.

The utility model discloses it is still another aim at, to the not enough of existence among the prior art, provide a support suitable for two-sided photovoltaic module.

the utility model provides a support suitable for two-sided photovoltaic module which characterized in that: the support comprises the purlin supporting structure, purlins of the purlin supporting structure are fixed with a frame of the double-sided photovoltaic module above the purlin supporting structure, a square pipe main beam penetrates through the pair-penetrating bolts of the purlin supporting structure, and the square pipe main beam is connected with a stand column below the square pipe main beam.

as the utility model discloses a preferred technical scheme: the square pipe is characterized in that a stand column connecting piece is arranged between the square pipe main beam and the stand column, the stand column connecting piece comprises a square plate and an inverted U-shaped bending piece, the square plate is welded at the top of the inverted U-shaped bending piece, the square plate and the square pipe hoop are matched with the square pipe main beam in a fixed mode, and the inverted U-shaped bending piece and the stand column are fixed through bolts.

As the utility model discloses a preferred technical scheme: the top surface of the inverted U-shaped bending piece is an inclined surface so that the supported double-sided photovoltaic module forms an inclined surface.

As the utility model discloses a preferred technical scheme: and a reinforcing rib plate is welded between the vertical surface of the inverted U-shaped bending piece and the square plate.

The utility model provides a purlin supporting structure and a bracket suitable for double-sided photovoltaic modules, which ensures that the purlin is just connected with a photovoltaic module frame, namely is just positioned at a joint gap of two adjacent photovoltaic modules, thereby avoiding the purlin from generating shadow shielding on the photovoltaic modules; in addition, only one square pipe main beam is adopted in the support, and the purlines are installed by using the square pipe main beam, so that shadow shielding of the main beam and the purlines on the back of the photovoltaic assembly is avoided, the power generation efficiency is ensured, and the cost is greatly reduced compared with the traditional mode; the upright post and the main beam are connected together through the upright post connecting piece and the square pipe hoop, so that the main beam is not required to be punched, the upright posts are always positioned between the projections of the two rows of photovoltaic modules, the back of the photovoltaic modules cannot be shielded by span adjustment between the upright posts, the selection of the spans between the upright posts is more flexible, and the scheme optimization and selection are facilitated.

Drawings

Fig. 1 is a structural diagram of a support suitable for a double-sided photovoltaic module provided by the present invention.

Fig. 2 is a structural diagram of the purlin supporting structure provided by the utility model.

Fig. 3 is a structural view of a zigzag purlin.

Fig. 4 is a connecting structure diagram between the square pipe main beam and the upright post.

Fig. 5 is a structural diagram of the pillar connector according to the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 5, the bracket suitable for the double-sided photovoltaic module comprises a purlin supporting structure 110, wherein the purlin supporting structure 110 comprises a purlin 111, a pair of inclined supports 112 and a lower pressing rod 113, two ends of the lower pressing rod 113 are respectively connected with the inclined supports 112, the other end of the inclined support 112 is connected with the purlin 111, a pair of penetrating bolts 114 are arranged between the lower pressing rod 113 and the purlin 111, the penetrating bolts 114 penetrate through and limit a square pipe girder 120, the purlin 111 is fixed with a frame of the double-sided photovoltaic module 101 above the purlin, and the square pipe girder 120 is connected with a stand column 130 below the square pipe girder; the length direction of the purlines is perpendicular to that of the square pipe girder, the photovoltaic modules are arranged on two sides of the square pipe girder and fixed to the purlines through bolts or pressing blocks, and the long edges of the frame of the photovoltaic modules are completely overlapped with the length direction of the purlines.

The purline 111 is shaped like a Chinese character 'ji', and the top surface of the purline 111 is provided with a screw hole for fixing the double-sided photovoltaic module 101 frame above the purline.

A stop washer is also provided on the through bolt 114.

Be equipped with stand connecting piece 140 between square pipe girder 120 and stand 130, stand connecting piece 140 includes square plate 141 and the type of falling U142 of bending, square plate 141 welds the top at the type of falling U142 of bending, square plate 141 cooperatees with square pipe staple bolt 143 in order to fix square pipe girder 120, for example, all seted up the hole site on square plate 141 and the square pipe staple bolt 143 in order to pass the bolt and fix, the type of falling U142 of bending is through the bolt fastening with stand 130, through this stand connecting piece, make the position of stand needn't confine to adjacent photovoltaic module's gap department, make the span design between the stand more nimble, be favorable to looking for the optimal scheme, be favorable to reducing support cost.

The top surface of the inverted U-shaped bending piece 142 is an inclined surface so that the supported double-sided photovoltaic module 101 is formed into an inclined surface. In this embodiment: and a reinforcing rib plate 144 is welded between the vertical surface of the inverted U-shaped bending piece 142 and the square plate 141.

The above detailed description is provided for explaining the present invention, and is only a preferred embodiment of the present invention, but not for limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made by the present invention are within the scope of the present invention.

Claims

1. A purlin bearing structure which characterized in that: the purlin bearing structure comprises a purlin, a pair of inclined supports and a lower pressing rod, the inclined supports are connected to two ends of the lower pressing rod respectively, the other ends of the inclined supports are connected with the purlin, a pair of penetrating bolts are arranged between the lower pressing rod and the purlin, a square pipe girder penetrates through the penetrating bolts and is limited, and the purlin is fixed with a frame of the double-sided photovoltaic module above the purlin.

2. The purlin brace structure of claim 1, wherein: the purlines are in a shape like a Chinese character 'ji', and screw holes for fixing the double-sided photovoltaic module frame above the purlines are formed in the top surfaces of the Chinese character 'ji' shaped purlines.

3. The purlin brace structure of claim 1, wherein: and a stop gasket is also arranged on the opposite-penetrating bolt.

4. The utility model provides a support suitable for two-sided photovoltaic module which characterized in that: the support comprises the purlin supporting structure according to any one of claims 1 to 3, purlins of the purlin supporting structure are fixed with a frame of the double-sided photovoltaic module above the purlin supporting structure, a square pipe main beam penetrates through the through bolts of the purlin supporting structure, and the square pipe main beam is connected with an upright column below the square pipe main beam.

5. The rack suitable for double-sided photovoltaic modules of claim 4, wherein: the square pipe is characterized in that a stand column connecting piece is arranged between the square pipe main beam and the stand column, the stand column connecting piece comprises a square plate and an inverted U-shaped bending piece, the square plate is welded at the top of the inverted U-shaped bending piece, the square plate and the square pipe hoop are matched with the square pipe main beam in a fixed mode, and the inverted U-shaped bending piece and the stand column are fixed through bolts.

6. The rack suitable for double-sided photovoltaic modules of claim 5, wherein: the top surface of the inverted U-shaped bending piece is an inclined surface so that the supported double-sided photovoltaic module forms an inclined surface.

7. The rack suitable for bifacial photovoltaic modules of claim 6, wherein: and a reinforcing rib plate is welded between the vertical surface of the inverted U-shaped bending piece and the square plate.