CN115333442A

CN115333442A - Quick detach BIPV system

Info

Publication number: CN115333442A
Application number: CN202211058066.7A
Authority: CN
Inventors: 毛阗
Original assignee: Architectural Design and Research Institute of Zhejiang University Co Ltd
Current assignee: Architectural Design and Research Institute of Zhejiang University Co Ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-11-11

Abstract

The invention discloses a quick-release BIPV system, which comprises support water guiding grooves distributed at intervals, wherein a photovoltaic panel with a frame is arranged between every two adjacent support water guiding grooves, and the frame and the support water guiding grooves are fixed through fasteners; the fastener comprises a first pressing block, a second pressing block and a third pressing block, and protruding strips are arranged at two ends of the first pressing block, the second pressing block and the third pressing block; a first groove and a second groove which are matched with the corresponding raised lines are formed in the frame, and a third groove which is matched with the corresponding raised lines is formed in the support water guide groove; the fastener further comprises a driving assembly used for driving the first pressing block and the second pressing block to be away from each other and the second pressing block and the third pressing block to be close to each other. The invention has simple operation and convenient disassembly and assembly, is different from the conventional BIPV fastener, does not need to be fastened by a plurality of bolts on site, does not need to be fixed on the water chute and the frame by punching, and has stronger waterproof property.

Description

Quick detach BIPV system

Technical Field

The invention relates to the technical field of BIPV, in particular to a quick-release BIPV system.

Background

According to statistics, the area of the existing building in China is about 600 hundred million square meters, the area for installing the photovoltaic power generation system is about 100 hundred million square meters, and the installed capacity of the photovoltaic power generation system is about 1500GW. At present, the newly built building area of China is about 20 hundred million square meters every year, most of the newly built buildings are high-rise buildings, and the installed photovoltaic capacity of the newly added building is about 20GW according to the fact that the installed photovoltaic area is about 1.4 hundred million square meters. Therefore, the building photovoltaic has great application scenes and application markets.

After years of efforts, the photovoltaic industry in China has gone ahead of the world, the installed capacity of the domestic photovoltaic power generation is continuously increased, the overall cost of the upstream and downstream of a photovoltaic power generation system is continuously reduced, and under the background, the BIPV has come to a wide development prospect. Photovoltaic Building Integration (BIPV) market also has photovoltaic power generation characteristic and building energy collaborative technology imperfect, and the product is designed and produced aiming at ground power station requirement, and the performance such as to building safety, fire prevention is considered inadequately the scheduling problem. The building industry is a mature industry, and has mature standard requirements on building fireproof safety, electrical safety, structural safety, durability and the like, so that the photovoltaic building integrated product needs to consider the characteristic requirements of building application and is convenient to mount and dismount.

A patent specification with publication number CN106522479A discloses a BIPV waterproof photovoltaic roof installing the system, including solar energy component with locate the vertical basin on the roofing purlin, solar energy component erects in two adjacent vertical basins top, be equipped with in the vertical basin and catchment the chamber and hold the chamber, hold chamber bottom opening, top closure, vertical basin passes through the connecting piece and connects the roofing purlin, and the intracavity is located to connecting piece partly.

The patent specification with the publication number of CN105239733A discloses a BIPV photovoltaic roofing system, which comprises a photovoltaic panel, a main gutter, a secondary gutter, purlins, steel beams, nodes and galvanized folding pieces, wherein the main gutter is in cross connection with the secondary gutter, the photovoltaic panel is arranged between the main gutter and the secondary gutter, the purlins are arranged at the bottoms of the photovoltaic panels, the bottoms of the purlins are connected with the steel beams, the bottoms of the steel beams are provided with the galvanized folding pieces, and the nodes are arranged on the secondary gutter.

Because atress in the middle of the fastener in above-mentioned two schemes arouses both ends photovoltaic stiff end to stick up deformation easily, and long-time easy ageing influences the fastening effect, and waterproof performance greatly reduced, the installation of being not convenient for simultaneously, wind-resistant take off, waterproof capacity is also not enough.

Disclosure of Invention

The invention aims to provide a quick-release BIPV system which is simple to operate, convenient to disassemble and assemble and has strong waterproof property.

A quick-release BIPV system comprises support water chutes distributed at intervals, wherein a photovoltaic panel with a frame is placed between every two adjacent support water chutes, and is characterized in that the frame and the support water chutes are fixed through fasteners;

the fastener comprises a first pressing block, a second pressing block and a third pressing block, and convex strips are arranged at two ends of the first pressing block, the second pressing block and the third pressing block; a first groove and a second groove which are matched with the corresponding raised strips are formed in the frame, and a third groove which is matched with the corresponding raised strips is formed in the support water guide groove; the fastener further comprises a driving assembly used for driving the first pressing block and the second pressing block to be away from each other and the second pressing block and the third pressing block to be close to each other.

The distance between first briquetting, second briquetting and the third briquetting is adjusted through drive assembly to this scheme to the realization need not to perforate fixedly between photovoltaic board frame and the support guiding gutter, connects more reliably, and waterproof performance and anti-wind take off ability obtain improving.

Preferably, the drive assembly includes the rotation axis, first briquetting, second briquetting and third briquetting are established in proper order the cover is provided with rotatable stopper on the rotation axis between lieing in first briquetting, the second briquetting, the stopper has long limit and minor face, and during rotatory stopper, the stopper lies in the both ends on long limit and promotes first briquetting, second briquetting respectively and makes first briquetting and second briquetting keep away from each other, second briquetting and third briquetting are close to each other.

Preferably, a pair of corners of the limiting block are arranged to be arc-shaped surfaces convenient for the limiting block to rotate.

Preferably, the two limiting blocks are distributed on two sides of the rotating shaft, and arc-shaped surfaces on the two limiting blocks are located on opposite diagonal angles.

Preferably, the driving assembly comprises an outer rotary drum and an inner rotary drum which is sleeved in the outer rotary drum and can rotate, the first pressing block is sleeved on the outer rotary drum and in threaded fit with the outer rotary drum, the second pressing block is sleeved on the inner rotary drum and in threaded fit with the inner rotary drum, and the third pressing block is sleeved on the inner rotary drum; when rotating outer rotary drum, outer rotary drum drive first briquetting removes to the second briquetting dorsad, and when rotating interior rotary drum, interior rotary drum drive second briquetting removes towards the third briquetting.

Preferably, the end of the inner drum located inside the outer drum has a top seat with a diameter larger than the outer diameter of the inner drum, and the outer drum has a cavity for accommodating the top seat.

Preferably, the top of the outer rotating cylinder is provided with an outer rotating part with an outer hexagon, and the top of the inner rotating cylinder is provided with an inner rotating part with an inner hexagon.

Preferably, one end of the inner rotary drum, which is far away from the outer rotary drum, is provided with a non-threaded section with the length equal to the thickness of the third pressing block, and the third pressing block is sleeved on the non-threaded section of the inner rotary drum.

The invention has the beneficial effects that:

the invention has simple assembly and disassembly operation, can be quickly assembled and disassembled by a single person with a simple tool, saves the labor cost, shortens the construction period and greatly improves the assembly efficiency. Meanwhile, the installation structure is different from a conventional BIPV fastener, a plurality of bolts are not needed to be used for fastening on site, construction errors and potential safety hazards caused by complex operation are avoided, and the installation reliability and safety are greatly improved while the material cost is saved. The fastening need not to perforate fixedly on guiding gutter or frame, and reliable zonulae occludens between photovoltaic board, fastener, guiding gutter, the purlin for photovoltaic module possesses stronger waterproof characteristic and anti-wind and takes off the performance.

Drawings

FIG. 1 is a schematic structural view of example 1 of the present invention;

FIG. 2 is a front view of a fastener according to embodiment 1 of the invention;

FIG. 3 is a side view of the fastener of embodiment 1 of the present invention in a fastened state;

FIG. 4 is a side view of the fastener of example 1 of the present invention in an unfastened condition;

FIG. 5 is a side view of the drive assembly of embodiment 1 of the present invention;

FIG. 6 is a schematic structural view of embodiment 2 of the present invention in an unfastened state;

FIG. 7 is a schematic structural view of embodiment 2 of the present invention in a fastened state;

FIG. 8 is a front view of a fastener according to embodiment 2 of the invention;

fig. 9 is a front sectional view of a drive assembly according to embodiment 2 of the invention;

FIG. 10 is a schematic view of a briquette according to example 2 of the present invention;

fig. 11 is a plan view of the outer rotary part and the inner rotary part according to embodiment 2 of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-5, a quick-release BIPV system includes support guiding gutters 2 fixed on purlins 1 and distributed at intervals, photovoltaic panels 4 with frames 3 are placed between adjacent support guiding gutters 2, and two adjacent frames 3 are placed on the support guiding gutters 2 and fixed by fasteners 5.

The fastener 5 comprises a first pressing block 51 (an upper pressing block), a second pressing block 52 (a middle pressing block) and a third pressing block 53 (a lower pressing block), and convex strips 511 are arranged at two ends of the first pressing block 51, the second pressing block 52 and the third pressing block 53; the frame 3 is provided with a first groove and a second groove which are matched with the corresponding convex strips 511, and the support water guide groove 2 is provided with a third groove which is matched with the corresponding convex strips 511, so that the convex strips 511 are embedded into the grooves of the frame 3 and the support water guide groove 2.

The fastener 5 further comprises a driving component for driving the first pressing block 51 and the second pressing block 52 to move away from each other, and the second pressing block 52 and the third pressing block 53 to move close to each other; in this embodiment, the driving assembly includes a rotating shaft 54, the first pressing block 51, the second pressing block 52 and the third pressing block 53 are sequentially sleeved on the rotating shaft 54, specifically, holes for penetrating the rotating shaft 54 are formed in the middle of the first pressing block 51, the second pressing block 52 and the third pressing block 53, and the inner diameter of each hole is matched with the outer diameter of the rotating shaft 54; the top and the bottom of the rotating shaft 54 are provided with a limiting top seat 541 and a limiting base 542 which can be screwed out and disassembled, and the external threads of the limiting top seat 541 and the limiting base 542 are matched with the internal threads at the two ends of the rotating shaft 54 and are used for screwing the limiting top seat 541 and the limiting base 542 into and fixing the limiting top seat 541 and the limiting base 542 at the two ends of the rotating shaft 54.

A rotatable limiting block 55 is arranged between the first pressing block 51 and the second pressing block 52 on the rotating shaft 54, specifically, the limiting block 55 is fixed on the rotating shaft 54 through a limiting block knob center shaft, a limiting block knob 551 is further arranged on the limiting block 55, and the limiting block 55 can rotate around the limiting block knob center shaft by rotating the limiting block knob 511.

In this embodiment, the limiting block 55 is in a blade shape, specifically, the main body of the limiting block 55 is a rectangular parallelepiped, and a pair of corners (rotatable corners) thereof is an arc surface, so that the limiting block 55 rotates smoothly when contacting the first pressing block 51 and the second pressing block 52.

In this embodiment, the two limiting blocks 55 are arranged on two sides of the rotating shaft 54, the arc surfaces on the two limiting blocks 55 are located on opposite diagonal angles, the scheme ensures that any limiting block 55 rotates due to non-artificial reasons, and the limiting block 55 on the other side can also play a role (the limiting blocks on the two sides cannot rotate in the opposite direction under stress at the same time).

The installation steps of this embodiment:

1. the limiting top seat 541 and the limiting base 542 are respectively screwed out of the rotating shaft 54, the first pressing block 51 is sleeved into the rotating shaft 54 from top to bottom, the convex strip 511 of the first pressing block 51 faces upwards, the second pressing block 52 is sleeved into the rotating shaft 54 from bottom to top, the convex strip 511 of the first pressing block 51 faces downwards, finally the third pressing block 53 is sleeved into the rotating shaft 54 from bottom to top, the convex strip 511 of the third pressing block 53 faces upwards, then the limiting top seat 541 and the limiting base 542 are respectively screwed into the rotating shaft 54 and screwed, the first pressing block 51 is limited between the limiting top seat 541 and the limiting block 55, the second pressing block 52 and the third pressing block 53 are limited between the limiting block 55 and the limiting base 542, and each pressing block can rotate by taking the rotating shaft 54 as an axis.

2. The long sides of the two limit blocks 55 are in a transverse state (in an unfastened state) through the rotary limit block knobs 551, and the relative positions of the first pressing block 51 and the second pressing block 52 are adjusted, so that the relative positions of the first pressing block 51, the second pressing block 52 and the third pressing block 53 can meet the following requirements: the distance between the end faces of the convex strips 511 of the first pressing block 51 and the second pressing block 52 is smaller than the height (inlet size) of the cavity between the grooves of the frame 3, and the distance between the end faces of the convex strips 511 of the second pressing block 52 and the third pressing block 53 is larger than the distance between the end face of the groove of the frame 3 and the end face of the groove of the support water guide groove 2.

3. Fix support guiding gutter 2 on purlin 1 to place the photovoltaic board 4 of taking frame 3 at support guiding gutter 2 both ends, put into the fastener that adjusts in step 2 this moment, put into between the frame 3 parallel to the 2 directions of support guiding gutter, then along the rotatory 90 degrees of Z axle, make the sand grip 511 of first briquetting 51 and second briquetting 52 correspond the frame 3 recess, second briquetting 52 and third briquetting 53 centre gripping frame 3 and support guiding gutter 2.

4. Clockwise two stopper knobs 551 respectively, make two stopper 55 clockwise rotation 90 degrees, stopper 55 long limit is vertical (fastening state) this moment, stopper 55 up respectively and down push down first briquetting 51 and second briquetting 52, make second briquetting 52 and the 53 interval of third briquetting diminish, until compressing tightly frame 3 and support guiding gutter 2, make first briquetting 51 and the 52 interval grow of second briquetting simultaneously, first briquetting 51 tightly props frame 3 with second briquetting 52, thereby accomplish the fastening to frame 3, finally accomplish photovoltaic board 4 to both sides, the fastening of support guiding gutter 2.

Example 2

The present embodiment is different from embodiment 1 only in the difference of the driving components, and only the difference portion will be described below.

As shown in fig. 6-11, the driving assembly comprises an outer rotating cylinder 56 and an inner rotating cylinder 57 nested in the outer rotating cylinder 56 and capable of rotating, specifically, the outer diameter of the outer rotating cylinder 56 is larger than the outer diameter of the inner rotating cylinder 57, the top of the inner rotating cylinder 57 has a top seat 571 with a diameter larger than the outer diameter of the inner rotating cylinder, the top seat 571 is fixed with the body of the inner rotating cylinder 57, the diameter and thickness of the top seat 571 are matched with the size of the middle-lower cavity area in the outer rotating cylinder 56, so that the inner rotating cylinder 57 can freely rotate relative to the outer rotating cylinder 56 and can be limited by the top seat 571 without departing from the outer rotating cylinder 56; the bottom of the inner drum 57 has a base 572 that can be screwed out and removed, and the shaft of the base 572 has a screw thread that matches the inside of the bottom of the inner drum 57, so that the base 572 can be screwed into and fixed on the bottom of the inner drum 57.

In this embodiment, the outer and

inner barrels

56 and 57 are externally threaded, while the bottom end region of the inner barrel 57 is unthreaded and is unthreaded (same length as the third briquette thickness); the middle hole of the first press block 51 is provided with internal threads and matched with the external threads of the outer rotary drum 56, the middle hole of the second press block 52 is provided with internal threads and matched with the external threads of the inner rotary drum 57, the middle hole of the third press block 53 is not provided with threads, and the inner diameter is matched with the outer diameter of the lower unthreaded section area of the inner rotary drum 57.

In this embodiment, the top of the outer rotating cylinder 56 has an outer rotating part 561 with an outer hexagonal shape, the top of the inner rotating cylinder 57 has an inner rotating part with an inner hexagonal shape, and the inner hexagonal shape can be installed on the top seat 571 of the inner rotating cylinder 57 as the inner rotating part.

The installation steps of this embodiment:

1. the base 572 of the inner rotary drum 57 is screwed out of the inner rotary drum 57, the first pressing block 51 is screwed into the outer rotary drum 56 from bottom to top through the inner rotary drum 57, the second pressing block 52 is screwed into the inner rotary drum 57 from bottom to top, wherein the convex strip 511 of the first pressing block 51 faces upwards, the convex strip 511 of the second pressing block 52 faces downwards, finally the third pressing block 53 is sleeved into the inner rotary drum 57 from bottom to top, the convex strip 511 of the third pressing block 53 faces upwards, the diameter of the hole in the middle of the third pressing block 53 is smaller than the outer diameter of the threaded area of the inner rotary drum 57 and larger than the outer diameter of the non-threaded area at the tail end of the inner rotary drum 57, so that the third pressing block 572 is limited in the non-threaded area and then is screwed into the base of the inner rotary drum 57, and the inner rotary drum 57 can freely rotate relative to the third pressing block 53.

2. The relative positions of the first pressing block 51 and the second pressing block 52 are adjusted in a rotating manner, so that the relative positions of the first pressing block 51, the second pressing block 52 and the third pressing block 53 can meet the following requirements: the distance between the end faces of the convex strips 511 of the first pressing block 51 and the second pressing block 52 is smaller than the height (inlet size) of the cavity between the grooves of the frame 3, and the distance between the end faces of the convex strips 511 of the second pressing block 52 and the third pressing block 53 is larger than the distance between the end face of the groove of the frame 3 and the end face of the groove of the support water guide groove 2.

3. Fix support guiding gutter 2 on purlin 1 to place the photovoltaic board 4 of taking frame 3 at 2 both ends of support guiding gutter, put into the fastener that adjusts in step 2 this moment, 2 directions of parallel support guiding gutter are put into between the frame 3, then along the rotatory 90 degrees of Z axle, make the sand grip 511 of first briquetting 51 and second briquetting 52 correspond the frame 3 recess, second briquetting 52 and third briquetting 53 centre gripping frame 3 and support guiding gutter 2.

4. Rotating the top seat 571 of the inner rotary drum 57 by using an outer hexagonal wrench to enable the inner rotary drum 57 to rotate, wherein the rotating direction is a direction enabling the second pressing block 52 to move downwards, so that the distance between the second pressing block 52 and the third pressing block 53 is reduced until the frame 3 and the support water chute 2 are pressed, and fastening the frame 3 and the support water chute 2 is completed;

then, an outer rotating part 561 of the outer rotating cylinder 56 is rotated by an inner hexagonal wrench, so that the outer rotating cylinder 56 rotates, the rotating direction is the direction in which the first pressing block 51 moves upwards, the distance between the first pressing block 51 and the second pressing block 52 is increased, the first pressing block 51 and the second pressing block 52 tightly support the frame 3, the fastening of the frame 3 is completed, and finally the fastening of the photovoltaic panels 4 on the two sides and the support water guide groove 2 is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A quick-release BIPV system comprises support water chutes distributed at intervals, wherein a photovoltaic panel with a frame is placed between every two adjacent support water chutes, and is characterized in that the frame and the support water chutes are fixed through fasteners;

2. The quick release BIPV system of claim 1, wherein the driving assembly comprises a rotating shaft, the first pressing block, the second pressing block and the third pressing block are sequentially sleeved on the rotating shaft, a rotatable limiting block is arranged between the first pressing block and the second pressing block on the rotating shaft, the limiting block has a long edge and a short edge, and when the limiting block is rotated, the two ends of the limiting block on the long edge respectively push the first pressing block and the second pressing block to enable the first pressing block and the second pressing block to be away from each other and the second pressing block and the third pressing block to be close to each other.

3. The quick release BIPV system of claim 2, wherein a pair of corners of the stop block are configured as arcuate surfaces that facilitate rotation of the stop block.

4. The quick release BIPV system of claim 2 or 3, wherein the two limiting blocks are distributed on two sides of the rotating shaft, and arc-shaped surfaces on the two limiting blocks are located on opposite diagonal angles.

5. The quick release BIPV system of claim 1, wherein the driving assembly comprises an outer drum and an inner drum rotatably sleeved in the outer drum, the first pressing block is sleeved on the outer drum and threadedly engaged therewith, the second pressing block is sleeved on the inner drum and threadedly engaged therewith, and the third pressing block is sleeved on the inner drum; when the outer rotary drum is rotated, the outer rotary drum drives the first pressing block to move back to the second pressing block, and when the inner rotary drum is rotated, the inner rotary drum drives the second pressing block to move towards the third pressing block.

6. The quick release BIPV system of claim 5, wherein the end of the inner drum inside the outer drum has a top seat with a diameter larger than the outer diameter of the inner drum, the outer drum having a cavity to receive the top seat.

7. The quick release BIPV system of claim 5, wherein the top of the outer barrel has an outer rotating portion with an outer hex and the top of the inner barrel has an inner rotating portion with an inner hex.

8. The quick release BIPV system of claim 5, wherein an end of the inner rotating cylinder away from the outer rotating cylinder has a non-threaded section having a length equal to a thickness of the third press block, the third press block being sleeved on the non-threaded section of the inner rotating cylinder.