CN103485490B - The waterproof construction of roof, a kind of family photovoltaic generating system - Google Patents

Abstract

The invention belongs to photovoltaic application technical field, specifically disclose the waterproof construction of roof, a kind of family photovoltaic generating system, comprise photovoltaic module, between the two row photovoltaic modulies adjacent along direction, slope, be provided with a diversion trench; In higher side, slope, roof, the higher position end of same row's photovoltaic module is connected and installed by described photovoltaic module by the first bracing member; In lower side, slope, roof, the lower position end of same row's photovoltaic module is connected and installed by described photovoltaic module by the 2nd bracing member; Along direction, slope, roof, the adjacent ends of the adjacent photovoltaic module between front and rear row is connected by front and rear row tie-in module; And the left and right sides of each photovoltaic module is equipped with waterproof side shield along the direction of diversion trench. Waterproof construction of the present invention, water resistance is good, and while realizing that photovoltaic module is carried out effective temperature-reducing, reduces gas velocity to a certain extent, reduces the possibility that photovoltaic array is blown off by high wind, strengthens the integrally-built safety performance in roof.

Description

A waterproof structure of a household roof photovoltaic power generation system

technical field

The invention belongs to the technical field of photovoltaic applications, and specifically discloses a waterproof structure of a household roof photovoltaic power generation system.

Background technique

The photovoltaic power generation system installed on the roof can be installed by connecting the bracket base with the main structure of the building. Since the bracket base is installed on the roof by drilling holes in the conventional installation method, the waterproof layer of the roof is destroyed to a certain extent. Therefore, it is necessary to Special treatment is required for roof waterproofing, and waterproof treatment is also required for the junction of the roof construction material and the bracket base, so as to avoid roof leakage and other phenomena during future use.

In the prior art, in order to achieve the purpose of waterproofing, some people have developed related waterproof products for the waterproofing of household roof photovoltaic power generation systems, for example, the patent application number is CN201110093218.2, which is named as the invention patent of solar cell module waterproof frame, The waterproof frame includes two types. One side of the two types of waterproof frame is installed together with the outer frame groove of the solar cell module, and the other side is installed together with the roof structure. These two waterproof frames are made of thin iron sheets directly bent. The waterproof frame of the solar cell module is used for the connection between the photovoltaic tile cell module and the roof structure, but it is difficult to prevent the leakage of rainwater when the photovoltaic power generation system is installed on the slope roof, and the waterproof effect is poor, and because the waterproof frame and the waterproof frame The integrated installation and connection makes the air flow between the photovoltaic array and the roof poor and cannot effectively cool down. At the same time, its structure is not firm enough. When the strong wind blows, the photovoltaic array may be blown away. Its safety performance is low, and it is not convenient for widespread application.

Contents of the invention

The purpose of the present invention is to overcome the shortcomings of the above-mentioned prior art and provide a waterproof structure for a household roof photovoltaic power generation system. The waterproof structure has good waterproof performance without changing the existing installation process and without increasing investment costs. In addition, due to the application of the base beam support seat and the non-integrated structural characteristics between the left and right waterproof side baffles and the diversion groove, in addition to allowing the airflow to fully flow in the space between the photovoltaic array and the roof surface, the realization of photovoltaic While the components are effectively cooling down, the airflow speed is reduced to a certain extent, the possibility of the photovoltaic array being blown away by strong winds is reduced, and the safety performance of the overall structure of the roof is enhanced. The waterproof performance can also enhance the waterproof performance of the roof, and can be widely used.

In order to achieve the above object, the present invention is realized according to the following technical solutions:

The waterproof structure of a household roof photovoltaic power generation system according to the present invention includes photovoltaic modules composed of several photovoltaic arrays arranged in rows and columns at intervals along the roof slope parallel to the direction of the roof purlins, and A diversion groove is arranged between two adjacent columns of photovoltaic modules along the slope direction, and the diversion groove is fixedly installed on the roof purlins; on the higher side of the roof slope, the photovoltaic modules are connected to each other through the first supporting member. The high-position ends of the same row of photovoltaic modules are connected and installed; on the lower side of the roof slope, the photovoltaic modules are connected and installed to the low-position ends of the same row of photovoltaic modules through the second support member; along the direction of the roof slope, adjacent The adjacent ends of the photovoltaic modules between the front and rear rows are connected through the front and rear row connecting components; and the left and right sides of each photovoltaic module are provided with waterproof side baffles along the direction of the diversion groove.

As a further improvement of the above technology, the first supporting member includes a base beam support seat and a base beam connected in sequence from bottom to top, and the high-position ends of the same row of photovoltaic modules are fixedly installed on the base beam, and the material of the base beam is It can be made of waterproof profiles such as hot-dip galvanized profiles, aluminum alloy profiles, or plastic profiles, and the types of materials are not limited.

As a further improvement of the above-mentioned technology, the second supporting member includes a pivot shaft and a connecting crossbeam which are sequentially installed and connected from bottom to top, and the low-position ends of the same row of photovoltaic modules are fixedly installed on the connecting crossbeam.

As a further improvement of the above technology, the front and rear rows of photovoltaic modules correspond to connect the low-position ends of the rear-row photovoltaic modules to the high-position ends of the front row of photovoltaic modules through the pivot of the second supporting member. The connecting beam material can be made of waterproof profiles such as hot-dip galvanized profiles, aluminum alloy profiles or plastic profiles; the pivot material is made of alloy materials or other waterproof profiles.

As a further improvement of the above technology, the waterproof side baffle is an inverted "L"-shaped integrated structure whose length direction increases linearly along the roof slope direction, and the length ratio of the waterproof side baffle is based on the roof slope angle, The optimal installation inclination angle of the photovoltaic module and the width of the photovoltaic module are determined, and the material of the waterproof side baffle is made of waterproof profiles such as aluminum alloy profiles and plastic profiles.

In the present invention, the edge of the photovoltaic module is provided with a gasket corresponding to the connection between the photovoltaic module. Specifically, the gasket is an "I"-shaped structure, and the edge of the photovoltaic module is inserted into the gasket On both sides of the sheet, realize the connection of the left and right columns of photovoltaic modules. The gasket material is made of profiles such as metal profiles or rubber profiles.

In the present invention, the front edge and the rear edge of the highest or lowest row of photovoltaic modules are provided with diversion cover plates that are docked with the roof purlins, and the ends of the diversion grooves are flattened before being connected to the diversion cover. Board butt.

Specifically, the diversion groove is a groove-shaped profile concave downward, and the material of the diversion groove is a waterproof profile made of an aluminum alloy profile or other materials, which includes a deep main diversion groove and Auxiliary diversion grooves placed on both sides of the main diversion groove with a relatively shallow depth; the diversion cover plate is a "Z"-like structure inclined to the right, and is installed on the edge of the top and bottom rows of photovoltaic modules on the roof photovoltaic array. It is used for the docking of photovoltaic modules and roof purlins, and the material of the diversion cover plate is made of waterproof profiles such as aluminum alloy profiles and plastic profiles.

The photovoltaic module of the present invention can be a crystalline silicon photovoltaic module, a multi-component thin film photovoltaic module, an organic compound photovoltaic module or a dye-sensitized photovoltaic module in terms of material, and the crystalline silicon photovoltaic module includes: a single crystal silicon photovoltaic module, Polycrystalline silicon photovoltaic modules, quasi-monocrystalline photovoltaic modules, amorphous silicon thin film photovoltaic modules, microcrystalline silicon thin film photovoltaic modules, and silicon heterojunction (HIT) photovoltaic modules; components or double glass components.

Compared with prior art, the beneficial effect of the present invention is:

(1) The present invention is waterproof through diversion grooves, waterproof side baffles, gaskets, etc., and has good waterproof performance;

(2) Due to the application of the base beam support seat and the non-integrated structural characteristics between the left and right waterproof side baffles and the diversion groove, in addition to allowing the airflow to fully flow in the space between the photovoltaic array and the roof surface, While achieving effective cooling of photovoltaic modules, the airflow velocity is reduced to a certain extent, the possibility of photovoltaic arrays being blown away by strong winds is reduced, and the safety performance of the overall structure of the roof is enhanced. Through the construction of household rooftop photovoltaic power generation systems , not only does not affect the waterproof performance of the roof, but also enhances the waterproof performance of the roof, and can be widely used;

(3) The components used in the present invention are conventional standard components, which can be used in large quantities without increasing investment costs.

Description of drawings

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in detail:

Fig. 1 is a schematic diagram of the waterproof structure of the present invention;

Fig. 2 is a schematic diagram (partial schematic diagram) of the waterproof structure of the present invention;

Figure 3 is a partially enlarged schematic diagram of the above Figure 2 (the relationship between the left and right rows of photovoltaic modules in the same row);

Figure 4 is a partially enlarged schematic diagram of the above Figure 2 (the relationship between the front and back rows of photovoltaic modules in the same column);

Fig. 5 is a structural schematic diagram of the installation relationship between the diversion groove and the diversion cover plate in the present invention;

Fig. 6 is a side view of the waterproof structure of the present invention.

detailed description

As shown in Figures 1 to 6, the waterproof structure of a household roof photovoltaic power generation system according to the present invention includes a number of rows and columns arranged at intervals along the roof slope 30 parallel to the direction of the roof purlins. A photovoltaic module 10 composed of a distributed photovoltaic array, and a diversion groove 1 is provided between two rows of photovoltaic modules 10 adjacent along the slope direction, and the diversion groove is fixedly installed on the roof purlin 20; on the roof slope 30 On the higher side, the photovoltaic modules 10 are connected and installed to the high position ends of the same row of photovoltaic modules 10 through the first supporting member 2; on the lower side of the roof slope 30, the photovoltaic modules 10 are connected and installed through the second supporting member 3 The low-position ends of the same row of photovoltaic modules 10 are connected and installed; along the direction of the roof slope 30, the adjacent ends of the adjacent front and rear rows of photovoltaic modules 10 are connected to each other, and the left and right sides of each photovoltaic module 10 are along the guide rail. Waterproof side baffles 5 are all provided in the direction of the launder.

As shown in FIG. 6 , the first support member 2 includes a base beam support base 21 and a base beam 22 sequentially connected from bottom to top, and the high position ends of the same row of photovoltaic modules 10 are fixedly installed on the base beam 22 . The material of the base beam 22 can be made of waterproof profiles such as hot-dip galvanized profiles, aluminum alloy profiles, or plastic profiles, and the types of materials are not limited.

The second supporting member 3 includes a pivot 31 and a connecting crossbeam 32 which are sequentially installed and connected from bottom to top. The end is fixedly installed on the base beam 22 through the pivot 31 . The material of the connecting beam 32 can be made of waterproof profiles such as hot-dip galvanized profiles, aluminum alloy profiles or plastic profiles; the material of the pivot 31 is made of alloy materials or other waterproof profiles.

The front and rear rows of photovoltaic modules connect the low end of the rear row of photovoltaic modules with the high end of the front row of photovoltaic modules and their base beams 22 through the pivot 31 of the second support member 3 . As shown in Fig. 2 and Fig. 6, the waterproof side baffle 5 is an inverted "L"-shaped integrated structure whose length direction increases linearly along the direction of the roof slope 30, and the length ratio of the waterproof side baffle 5 can be Determined according to the angle of the roof slope 30 , the optimal installation inclination angle of the photovoltaic module 10 and the width of the photovoltaic module 10 , the material of the waterproof side baffle 5 is made of waterproof profiles such as aluminum alloy profiles and plastic profiles.

As shown in Figure 3, in the present invention, the edge of the photovoltaic module 10 is provided with a gasket 6 corresponding to the photovoltaic module 10, and the gasket 6 is an "I"-shaped structure, and the photovoltaic module 10 The edges are correspondingly inserted on both sides of the gasket 6 to realize the connection of the left and right rows of photovoltaic modules 10 , and at the same time better waterproof the front and rear rows of photovoltaic modules 10 . The material of the gasket 6 is made of profiles such as metal profiles or rubber profiles.

As shown in Fig. 1, Fig. 2, Fig. 5 and Fig. 6, the front side edge and the rear side edge of the photovoltaic module 10 in the highest or lowest row are provided with a diversion cover plate 4 docked with the roof purlin, and the diversion The end of the groove 1 is flattened and then docked with the diversion cover plate 4; specifically, the diversion groove 1 is a groove-shaped profile concave downward, and the material of the diversion groove 1 is an aluminum alloy profile or other materials made of waterproof profiles, which include a deep main flow groove and relatively shallow secondary flow grooves placed on both sides of the main flow groove; Z"-shaped structure, installed on the edge of the top and bottom rows of photovoltaic modules 10 on the roof photovoltaic array, used for the docking of photovoltaic modules 10 and roof purlins 20, the material of the diversion cover 4 is aluminum alloy profiles, plastic profiles, etc. Made of waterproof profiles.

The photovoltaic module 10 of the present invention can be a crystalline silicon photovoltaic module 10, a multi-component compound thin-film photovoltaic module, an organic compound photovoltaic module or a dye-sensitized photovoltaic module. The crystalline silicon photovoltaic module includes: monocrystalline silicon photovoltaic Modules, polycrystalline silicon photovoltaic modules, quasi-monocrystalline photovoltaic modules, amorphous silicon thin film photovoltaic modules, microcrystalline silicon thin film photovoltaic modules, silicon heterojunction (HIT) photovoltaic modules; Framed components or double glass components.

Claims (8)

1. A waterproof structure of a household roof photovoltaic power generation system, including a photovoltaic module composed of several photovoltaic arrays arranged in rows and columns at a certain distance along the roof slope parallel to the direction of the roof purlin, characterized in that: A diversion groove is provided between two adjacent rows of photovoltaic modules along the slope direction, and the diversion groove is fixedly installed on the roof purlins; On the higher side of the roof slope, the photovoltaic modules are connected and installed to the high position ends of the same row of photovoltaic modules through the first supporting member; On the lower side of the roof slope, the photovoltaic modules are connected and installed at the lower end of the same row of photovoltaic modules through the second supporting member; Along the direction of the roof slope, the adjacent ends of the adjacent front and rear rows of photovoltaic modules are connected to each other; And the left and right sides of each photovoltaic module are provided with waterproof side baffles along the direction of the diversion groove; There is a non-integrated structure between the waterproof side baffle and the diversion groove; The front and rear rows of photovoltaic modules correspond to connect the low-position end of the rear row of photovoltaic modules with the high-position end of the front row of photovoltaic modules through the pivot of the second support member. 2. The waterproof structure of the household roof photovoltaic power generation system according to claim 1, characterized in that: the first support member includes a base beam support seat and a base beam connected in sequence from bottom to top, and the height of the same row of photovoltaic modules The position ends are all fixedly installed on the base beam. 3. The waterproof structure of the household roof photovoltaic power generation system according to claim 2, characterized in that: the second support member includes pivots and connecting beams that are sequentially installed and connected from bottom to top, and the low position of the same row of photovoltaic modules The end is fixedly installed on the connecting beam. 4. The waterproof structure of the household roof photovoltaic power generation system according to any one of claims 1 to 3, characterized in that: the edges of the photovoltaic modules are provided with gaskets corresponding to the photovoltaic modules. 5. The waterproof structure of the household roof photovoltaic power generation system according to claim 4, characterized in that: the gasket is an "I"-shaped structure, and the edges of the photovoltaic modules are correspondingly inserted on both sides of the gasket to realize left and right Connection of two columns of photovoltaic modules. 6. The waterproof structure of the household roof photovoltaic power generation system according to claim 1, characterized in that: the front and rear edges of the highest or lowest row of photovoltaic modules are provided with diversion covers that are docked with roof purlins plate, and flatten the end of the diversion groove before docking with the diversion cover. 7. The waterproof structure of the household roof photovoltaic power generation system according to claim 5, characterized in that: the diversion groove is a groove-shaped profile concave downwards, which includes a deeper main diversion groove and Auxiliary diversion grooves with relatively shallow depths are placed on both sides of the main diversion groove. 8. The waterproof structure of the household roof photovoltaic power generation system according to claim 6, characterized in that: the diversion cover plate is a "Z"-like structure inclined to the right, and is installed on the top and bottom of the photovoltaic array on the roof The edge of a row of photovoltaic modules is used for the docking of photovoltaic modules and roof purlins.