阅读说明：本技术 一种坡屋面光伏系统及其施工方法 (Slope roof photovoltaic system and construction method thereof ) 是由 郑秋锁 于 2021-08-13 设计创作，主要内容包括：一种坡屋面光伏系统及其施工方法,属于分布式光伏屋顶领域,坡屋面光伏系统,倾斜设置,包括由下至上依次铺设的混凝土屋面板、保温层、波形排水板及光伏组件。波形排水板的下方沿纵向间隔支设有排水板托架,排水板托架支设在波形排水板的波峰位置的下表面。波形排水板的上方沿纵向间隔架设有波形固定支架,波形固定支架设置在波形排水板的波峰位置的上表面,且波形固定支架与排水板托架上下对应设置。波形固定支架、波形排水板和排水板托架通过膨胀螺栓由上至下与保温层和混凝土屋面板穿接为一体。本发明解决现有施工方式安装拆卸困难,维护繁琐,与现有的建筑物功能发生冲突,或因破坏了屋面原有防水体系导致建筑屋顶日后发生局部渗漏的问题。(A slope roof photovoltaic system and a construction method thereof belong to the field of distributed photovoltaic roofs and are obliquely arranged and comprise a concrete roof panel, a heat insulation layer, a corrugated drainage plate and a photovoltaic module which are sequentially paved from bottom to top. The lower part of the corrugated drainage plate is provided with drainage plate brackets at intervals along the longitudinal direction, and the drainage plate brackets are arranged on the lower surface of the wave crest position of the corrugated drainage plate. The upper side of the corrugated drainage plate is provided with a corrugated fixing support along the longitudinal interval frame, the corrugated fixing support is arranged on the upper surface of the wave crest position of the corrugated drainage plate, and the corrugated fixing support and the drainage plate bracket are arranged in a vertically corresponding mode. The corrugated fixing support, the corrugated drainage plate and the drainage plate bracket are connected with the heat-insulating layer and the concrete roof panel in a penetrating manner from top to bottom through expansion bolts to form a whole. The invention solves the problems that the existing construction mode is difficult to install and disassemble and complicated to maintain, conflicts with the functions of the existing buildings, or local leakage occurs in the future of the building roof due to the damage of the original waterproof system of the roof.)

1. The utility model provides a slope roofing photovoltaic system, slope setting, its characterized in that: comprises a concrete roof panel (1), a heat-insulating layer (2), a corrugated drainage plate (3) and a photovoltaic module (4) which are sequentially paved from bottom to top;

drainage plate brackets (5) are arranged below the corrugated drainage plate (3) at intervals along the longitudinal direction, and the drainage plate brackets (5) are arranged on the lower surface of the wave crest position of the corrugated drainage plate (3);

a waveform fixing support (6) is erected above the waveform drainage plate (3) along the longitudinal direction at intervals, the waveform fixing support (6) is arranged on the upper surface of the wave crest position of the waveform drainage plate (3), and the waveform fixing support (6) and the drainage plate bracket (5) are arranged in a vertically corresponding manner;

two adjacent transverse photovoltaic modules (4) are clamped through a wave-shaped fixing bracket (6);

a buckle cover (7) is clamped above the wave-shaped fixing bracket (6);

the corrugated fixing support (6), the corrugated drainage plate (3) and the drainage plate bracket (5) are connected with the heat-insulating layer (2) and the concrete roof panel (1) in a penetrating manner into a whole from top to bottom through expansion bolts (8).

2. The pitched roof photovoltaic system according to claim 1, characterized in that: a waterproof gasket (9) is arranged between the expansion bolt (8) and the wave-shaped fixed bracket (6).

3. The pitched roof photovoltaic system according to claim 1, characterized in that: the lower part of the wave-shaped fixed bracket (6) is arc-shaped, and the upper part is an I-shaped groove body; comprises a platform plate (6.1), an arc plate (6.2) connected in the middle of the bottom surface of the platform plate, vertical plates connected between the two sides of the arc plate and the bottom surface of the platform plate, and a pair of L-shaped vertical plates (6.3) connected on the top surface of the platform plate.

4. The pitched roof photovoltaic system according to claim 3, wherein: a first clamping groove (6.4) is formed between the inner side surfaces of the vertical limbs of the L-shaped vertical plates and the platform plate, and a pair of lower oblique tooth-shaped convex edges (6.5) are arranged at the top end of the first clamping groove; a pair of second clamping grooves (6.6) are formed between the outer side surfaces of the L-shaped vertical plates and the platform plate.

5. The pitched roof photovoltaic system according to claim 4, wherein: the center of the platform plate (6.1) is provided with a bolt hole for the penetration of an expansion bolt (8);

the radian of the arc-shaped plate (6.2) is matched with the wave-shaped drainage plate (3) and tightly buckled on the wave-shaped drainage plate (3).

6. The pitched roof photovoltaic system according to claim 1, characterized in that: the drain board bracket (5) is a pipe, the lower edge of the drain board bracket is horizontal and is a horizontal part (5.1), and the upper edge of the drain board bracket is arc-shaped and is an arc-shaped part (5.2).

7. The pitched roof photovoltaic system according to claim 6, wherein: the lower edge horizontal part (5.1) of the drain board bracket (5) is horizontally arranged on the heat-insulating layer (2); the radian of the arc-shaped part (5.2) is adapted to the wave crest radian of the wave-shaped drainage plate (3) and is tightly attached to the wave-shaped drainage plate (3).

8. The pitched roof photovoltaic system according to claim 4, wherein: the buckle cover (7) comprises an arc-shaped top cover (7.1) and a pair of clamping plates (7.2) vertically connected to the bottom surface of the arc-shaped top cover; the middle parts of the outer sides of the pair of clamping plates (7.2) are symmetrically provided with upper oblique tooth-shaped convex ribs (7.3).

9. The pitched roof photovoltaic system according to claim 8, wherein: a pair of clamping plates (7.2) on the buckle cover (7) is embedded into a first clamping groove (6.4) on the wave-shaped fixed support (6), and a pair of lower oblique tooth-shaped convex edges (6.5) are mutually meshed with the upper oblique tooth-shaped convex edges (7.3).

10. The construction method of the pitched roof photovoltaic system according to any one of claims 1 to 9, characterized by comprising the following steps:

firstly, paving a cement mortar leveling layer on a concrete roof panel (1);

secondly, fully paving the heat-insulating layer (2) on the cement mortar leveling layer;

thirdly, equidistant line snapping is carried out on the heat insulation layer (2), the distance depends on the width of the photovoltaic module (4), and a drain board bracket (5) is placed at the line snapping position;

fourthly, laying the corrugated drainage plate (3), and placing the drainage plate bracket (5) on the lower surface of the wave crest position of the corrugated drainage plate (3);

fifthly, placing the wave-shaped fixing support (6) on the wave crest position of the wave-shaped drainage plate (3) with the drainage plate bracket (5) below;

sixthly, laying a photovoltaic module (4); after waterproof silicone adhesive is smeared on the side edge of the photovoltaic module (4), the photovoltaic module is inserted into a second clamping groove (6.6) of the waveform fixing bracket (6) for fixing;

seventhly, using an expansion bolt (8) with a rubber waterproof gasket (9) to enable the corrugated drainage plate (3) and the corrugated fixing support (6) to penetrate through the heat-insulating layer (2) and be fixed on the concrete roof panel (1); and eighthly, uniformly coating waterproof silicone adhesive on a pair of lower oblique tooth-shaped convex edges (6.5) in the first clamping groove (6.4) of the waveform fixing support (6), pressing the buckle cover (7) into the first clamping groove (6.4), and locking the pair of lower oblique tooth-shaped convex edges (6.5) and the pair of upper oblique tooth-shaped convex edges (7.3).

Technical Field

The invention belongs to the field of distributed photovoltaic roofs, and particularly relates to a slope roof photovoltaic system and a construction method thereof.

Background

The distributed photovoltaic roof has the most potential development direction in the field of renewable clean energy due to the advantages of near power generation, near grid connection and near use. The BIPV photovoltaic roof should be integrated with a building, can generate electricity and play a role in protecting roof surface materials, simultaneously accords with the overall style of building design in appearance, and is suitable for being installed on slope roof buildings such as villa foreign houses, rural self-built houses, civil buildings and the like with good lighting and low density. Most of the prior published technical schemes are focused on researching how to solve the installation method of the photovoltaic tiles on the flat roof of the commercial building or the industrial factory building, and no photovoltaic module installation method aiming at the common concrete sloping roof of the common house is seen, but the building is the main market for popularizing the distributed photovoltaic, and the scheme provides a solution of a sloping roof photovoltaic system based on a ventilation heat insulation roof system.

The mounting means that slope roofing photovoltaic roof commonly used at present has: by utilizing a structural layer embedded bolt or a chemical anchor bolt fixing support, a special clamp or a bi-component adhesive bonding method and the like, the construction methods generally have the defects of difficult installation and disassembly, complex maintenance, conflict with the functions of the existing buildings, or local leakage caused by the damage of the original waterproof system of the roof in the future. In other words, installation of the photovoltaic module is often lagged behind a roofing system, construction designers pay more attention to photovoltaic power generation effect, and the number of related parts in the building field is small, so that integration of the distributed photovoltaic roofing and the building cannot be considered from the aspects of function and appearance design, and the reason why the photovoltaic roof is difficult to popularize in a high-end project is also one of the reasons.

Disclosure of Invention

The invention aims to provide a sloping roof photovoltaic system and a construction method thereof, which solve the problems that the existing construction mode is difficult to install and disassemble and complicated to maintain, conflicts with the functions of the existing buildings, or causes local leakage of the building roof in the future due to the damage of the original waterproof system of the roof.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a slope roofing photovoltaic system, slope setting includes concrete roof board, heat preservation, wave form drain bar and photovoltaic module by supreme laying in proper order down.

The lower part of the corrugated drainage plate is provided with drainage plate brackets at intervals along the longitudinal direction, and the drainage plate brackets are arranged on the lower surface of the wave crest position of the corrugated drainage plate.

The upper side of the corrugated drainage plate is provided with a corrugated fixing support along the longitudinal interval frame, the corrugated fixing support is arranged on the upper surface of the wave crest position of the corrugated drainage plate, and the corrugated fixing support and the drainage plate bracket are arranged in a vertically corresponding mode.

Two blocks of photovoltaic modules adjacent in the transverse direction are clamped and connected through the wave-shaped fixing support.

The upper part of the wave-shaped fixing bracket is clamped with a buckle cover.

The corrugated fixing support, the corrugated drainage plate and the drainage plate bracket are connected with the heat-insulating layer and the concrete roof panel in a penetrating manner from top to bottom through expansion bolts to form a whole.

Further preferred technical solution: and a waterproof gasket is arranged between the expansion bolt and the waveform fixing bracket.

Further preferred technical solution: the lower part of the wave-shaped fixed bracket is arc-shaped, and the upper part of the wave-shaped fixed bracket is an I-shaped groove body; comprises a platform plate, an arc plate connected in the middle of the bottom surface of the platform plate, vertical plates connected between the two sides of the arc plate and the bottom surface of the platform plate, and a pair of L-shaped vertical plates connected on the top surface of the platform plate.

Further preferred technical solution: a first clamping groove is formed between the inner side surfaces of the vertical limbs of the L-shaped vertical plates and the platform plate, and a pair of lower oblique tooth-shaped convex edges are arranged at the top end of the first clamping groove; a pair of second clamping grooves are formed between the outer side surfaces of the L-shaped vertical plates and the platform plate.

Further preferred technical solution: the center of the platform plate is provided with a bolt hole for the penetration of an expansion bolt.

The radian of the arc-shaped plate is matched with the wave-shaped drainage plate and tightly buckled on the wave-shaped drainage plate.

Further preferred technical solution: the drain board bracket is a pipe, the lower edge of the drain board bracket is horizontal and is a horizontal part, and the upper edge of the drain board bracket is arc-shaped and is an arc-shaped part.

Further preferred technical solution: the lower edge horizontal part of the drain board bracket is horizontally arranged on the heat preservation layer; the radian of the arc-shaped part is adapted to the wave crest radian of the wave-shaped drainage plate and is tightly attached to the wave-shaped drainage plate.

Further preferred technical solution: the buckle cover comprises an arc-shaped top cover and a pair of clamping plates vertically connected to the bottom surface of the arc-shaped top cover; the middle parts of the outer sides of the pair of clamping plates are symmetrically provided with upper oblique tooth-shaped convex edges.

Further preferred technical solution: a pair of clamping plates on the buckle cover is embedded into first clamping grooves on the waveform fixing support, and the pair of lower oblique tooth-shaped convex edges and the pair of upper oblique tooth-shaped convex edges are meshed with each other.

A construction method of the sloping roof photovoltaic system comprises the following steps:

firstly, paving a cement mortar leveling layer on a concrete roof panel.

And secondly, fully paving the heat-insulating layer on the cement mortar leveling layer.

And thirdly, equidistantly arranging elastic lines on the heat insulation layer, wherein the distance depends on the width of the photovoltaic module, and placing a drain board bracket at the position of the elastic lines.

And fourthly, laying a corrugated drainage plate, and placing a drainage plate bracket on the lower surface of the wave crest position of the corrugated drainage plate.

And fifthly, placing the wave-shaped fixing support on the wave crest position of the wave-shaped drainage plate with the drainage plate bracket below.

Sixthly, laying a photovoltaic module; and after waterproof silicone adhesive is coated on the side edge of the photovoltaic module, the photovoltaic module is inserted into a second clamping groove of the waveform fixing support for fixing.

And seventhly, penetrating the corrugated drainage plate and the corrugated fixing support through the heat-insulating layer by using an expansion bolt with a rubber waterproof gasket, and fixing the corrugated drainage plate and the corrugated fixing support on the concrete roof panel. And eighthly, uniformly coating waterproof silicone adhesive on the pair of lower oblique tooth-shaped convex edges in the first clamping groove of the waveform fixing support, pressing the buckle cover into the first clamping groove, and locking the pair of lower oblique tooth-shaped convex edges and the pair of upper oblique tooth-shaped convex edges.

Compared with the prior art, the invention has the following characteristics and beneficial effects:

according to the invention, the corrugated drainage plate is used as a roof waterproof layer, and the photovoltaic module is fixed by the matched corrugated fixing support and the drainage plate bracket, so that the continuity and integrity of the sloping roof photovoltaic system are realized, and the possible leakage problem of a building in the future use process is avoided.

2, the slope roof photovoltaic system is installed by using the standardized waveform fixing support and the drainage plate bracket, the photovoltaic module is paved while the roof system is constructed, the construction speed is high, the efficiency is high, no special requirements are required for the technical level of constructors, and the photovoltaic module can generate electricity and can also be used as a roof surface material to protect a house.

3, the invention has simple process, low construction difficulty, good waterproof effect, ventilation and air permeability, and can reduce construction period and construction cost.

Drawings

FIG. 1 is a schematic view of a pitched roof photovoltaic system of the present invention.

FIG. 2 is an enlarged view of portion A of FIG. 1 in accordance with the present invention.

Fig. 3 is a schematic view of the connection of the wave form fixing bracket and the photovoltaic module of the invention.

Figure 4 is a schematic view of the corrugated drain board and drain board bracket connection of the present invention.

Fig. 5 is a schematic view of the wave form attachment bracket and cover attachment of the present invention.

Fig. 6 is a schematic view showing the connection of the wave-shaped fixing bracket and the wave-shaped drain board according to the present invention.

Fig. 7 is a schematic view of a wave form fixing bracket of the present invention.

FIG. 8 is a schematic view of a drain board bracket of the present invention.

Fig. 9 is a schematic view of the buckle cover of the present invention.

Reference numerals: 1-concrete roof panel, 2-insulating layer, 3-corrugated drain board, 4-photovoltaic module, 5-drain board bracket, 6-corrugated fixing support, 7-buckle cover, 8-expansion bolt, 9-waterproof gasket,

5.1-horizontal part, 5.2-arc part,

6.1-platform plate, 6.2-arc plate, 6.3-L-shaped vertical plate, 6.4-first clamping groove, 6.5-lower oblique tooth-shaped convex edge, 6.6-second clamping groove,

7.1-arc top cover, 7.2-snap-gauge, 7.3-upper skewed tooth form bead.

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.

Referring to fig. 1 to 9, a sloping roof photovoltaic system and a construction method thereof particularly belong to the field of BIPV distributed photovoltaic roofs.

The utility model provides a slope roofing photovoltaic system, slope setting includes concrete roof board 1, heat preservation 2, wave form drain bar 3 and photovoltaic module 4 by supreme laying in proper order down.

The lower part of the wave-shaped drainage plate 3 is provided with drainage plate brackets 5 at intervals along the longitudinal direction, and the drainage plate brackets 5 are arranged on the lower surface of the wave crest position of the wave-shaped drainage plate 3.

The upper side of the wave-shaped drainage plate 3 is provided with a wave-shaped fixing support 6 along the longitudinal interval frame, the wave-shaped fixing support 6 is arranged on the upper surface of the wave crest position of the wave-shaped drainage plate 3, and the wave-shaped fixing support 6 and the drainage plate bracket 5 are arranged up and down correspondingly.

Two blocks of photovoltaic modules 4 adjacent in the transverse direction are clamped and connected through the wave-shaped fixing support 6.

The upper part of the wave-shaped fixing bracket 6 is clamped with a buckle cover 7.

The wave-shaped fixing support 6, the wave-shaped drainage plate 3 and the drainage plate bracket 5 are connected with the heat-insulating layer 2 and the concrete roof panel 1 in a penetrating way into a whole from top to bottom through expansion bolts 8.

A waterproof gasket 9 is arranged between the expansion bolt 8 and the wave-shaped fixing bracket 6.

Referring to fig. 7, the lower part of the wave-shaped fixing bracket 6 is arc-shaped, and the upper part is an i-shaped groove body; comprises a platform plate 6.1, an arc-shaped plate 6.2 connected in the middle of the bottom surface of the platform plate, vertical plates connected between the two sides of the arc-shaped plate and the bottom surface of the platform plate, and a pair of L-shaped vertical plates 6.3 connected on the top surface of the platform plate; a first clamping groove 6.4 is formed between the inner side surfaces of the vertical limbs of the pair of L-shaped vertical plates and the platform plate, a pair of lower oblique tooth-shaped convex edges 6.5 are arranged at the top end of the first clamping groove, and the lower oblique tooth-shaped convex edges are arranged at the top ends of the inner side surfaces of the vertical limbs of the pair of L-shaped vertical plates; a pair of second clamping grooves 6.6 are formed between the outer side surfaces of the pair of L-shaped vertical plates and the platform plate.

The center of the platform plate 6.1 is provided with a bolt hole for the penetration of an expansion bolt 8.

The radian of the arc-shaped plate 6.2 is matched with the wave-shaped water drainage plate 3 and tightly buckled on the wave-shaped water drainage plate 3, so that the wave-shaped fixing support 6 is prevented from generating transverse displacement.

The outer wall of the L-shaped vertical plate 6.3 is smooth.

Referring to fig. 8, the drain board bracket 5 is a 1.2mm thick 201 stainless steel pipe with an arc-shaped curved surface, and has a horizontal part 5.1 at the lower edge thereof and an arc-shaped part 5.2 at the upper edge thereof; the horizontal part 5.1 of the lower edge of the drain board bracket 5 is flatly arranged on the heat preservation layer 2, and the weight of the photovoltaic module 4 is borne by the corrugated drain board 3; the radian of the arc-shaped part 5.2 is adapted to the wave crest radian of the wave-shaped drainage plate 3 and is tightly attached to the wave-shaped drainage plate 3.

Referring to fig. 9, the buckle cover 7 is made of aluminum alloy material and comprises an arc-shaped top cover 7.1 and a pair of clamping plates 7.2 vertically connected to the bottom surface of the arc-shaped top cover; the middle parts of the outer sides of the clamping plates 7.2 are symmetrically provided with upper inclined tooth-shaped convex ribs 7.3.

When the buckle cover 7 is pressed into the wave-shaped fixed support 6, the pair of clamping plates 7.2 on the buckle cover 7 is embedded into the first clamping grooves 6.4 on the wave-shaped fixed support 6, the pair of lower oblique tooth-shaped convex edges 6.5 are mutually meshed with the upper oblique tooth-shaped convex edges 7.3, and the buckle cover 7 can realize self-locking due to the fact that the buckle cover 7 cannot automatically move reversely; the buckle cover 7 is used for protecting the expansion bolt 8 which is penetrated and connected in the first clamping groove 6.4 from being rusted by rainwater, and meanwhile, the attractiveness of the photovoltaic roof is improved.

The photovoltaic module 4 is fixed on the wave-shaped drainage plate 3 through a buckle cover 7, a wave-shaped fixing support 6 and a drainage plate bracket 5; the photovoltaic module is used as a constituent element of the whole slope roof photovoltaic system, plays a role in generating power and protecting the integrity of the slope roof photovoltaic system, and ensures the normal work of the slope roof photovoltaic system.

The wave-shaped fixing bracket 6 and the drain board bracket 5 are fixed on the concrete roof panel 1 by expansion bolts 8 penetrating the wave-shaped drain board 3 and the insulating layer 2, and a waterproof gasket 9 is padded between the expansion bolts 8 and the wave-shaped fixing bracket 6.

The heat preservation layer 2 is a heat preservation plate layer.

The thickness of the corrugated drainage plate 3 is 2.6mm, and the corrugated drainage plate can be made of asphalt; the corrugated drainage plate has the characteristics of light weight and ventilation, and is used as a roof waterproof layer and a mounting surface of a photovoltaic module; the wave-shaped fixing support 6 and the drain board bracket 5 which are matched up and down on the wave-shaped drain board 3 play a role in supporting and fixing the photovoltaic module.

Rainwater entering a roof is collected at the eave through the corrugated drainage plate and drained away, the wavy structure of the corrugated drainage plate forms a large amount of space in a roof system, air circulation is facilitated, the aerodynamic principle is utilized, cold air enters from the eave and flows out from the ridge with moisture in the system, the inside of the system can be kept dry and cool, the service life of the roof is prolonged, the building energy consumption of a house in the using process is reduced, and the photovoltaic module is prevented from reducing the power generation efficiency due to temperature rise.

The construction method of the sloping roof photovoltaic system comprises the following steps:

firstly, a cement mortar leveling layer is paved on the concrete roof panel 1.

And secondly, fully paving the heat-insulating layer 2 on the cement mortar leveling layer.

And thirdly, equidistant line snapping is carried out on the heat preservation layer 2, the distance depends on the width of the photovoltaic module 4, and a drain board bracket 5 is placed at the line snapping position.

Fourthly, laying the corrugated drainage plate 3, and placing the drainage plate bracket 5 on the lower surface of the wave crest position of the corrugated drainage plate 3.

And fifthly, placing the wave-shaped fixing support 6 on the wave crest position of the wave-shaped drainage plate 3 with the drainage plate bracket 5 below.

Sixthly, laying the photovoltaic module 4; after waterproof silicone adhesive is smeared on the side edge of the photovoltaic module 4, the photovoltaic module is inserted into a second clamping groove 6.6 of the waveform fixing support 6 for internal fixation.

And seventhly, using an expansion bolt 8 special for the corrugated drainage plate with the rubber waterproof gasket 9 to enable the corrugated drainage plate 3 and the corrugated fixing support 6 to penetrate through the heat-insulating layer 2 and be fixed on the concrete roof panel 1. And eighthly, uniformly coating waterproof silicone adhesive on the pair of lower oblique tooth-shaped convex edges 6.5 in the first clamping grooves 6.4 of the waveform fixing support 6, pressing the buckle cover 7 into the first clamping grooves 6.4, and locking the pair of lower oblique tooth-shaped convex edges 6.5 and the pair of upper oblique tooth-shaped convex edges 7.3.

The slope roof photovoltaic system is based on the light, energy-saving and ventilated roof concept, adopts the corrugated drain board as a waterproof layer, and realizes the installation and fixation of the photovoltaic component through the matched drain board bracket and the corrugated fixing bracket.

The photovoltaic assembly is used as a part of a slope roof photovoltaic system and synchronously completed during roof construction, and the roof and the photovoltaic assembly are connected into a whole to integrally complete construction.

The slope roof photovoltaic system is ventilated, can reduce building energy consumption generated in the service life of a building, creates a cool and ventilated working environment for the photovoltaic module, and can not greatly reduce the photoelectric conversion rate due to high temperature in summer.

The invention has simple process, quick construction, good waterproof effect, ventilation and low construction difficulty, and can reduce the construction period and the construction cost.

The invention adopts the wave-shaped drainage plate as the roof waterproof layer, and the photovoltaic component is fixed by the matched wave-shaped fixing bracket, thereby realizing the continuity and integrity of the sloping roof photovoltaic system and avoiding the possible leakage problem of the building in the future use process.

The wave-shaped drainage plate is used as a waterproof layer, and rainwater entering the roof system is quickly collected at the cornice through the wave-shaped drainage plate and is discharged; the wave-shaped structure of the wave-shaped drainage plate creates a space for air to flow, and the interior of the roof system can be kept dry.

The slope roof photovoltaic system is provided with the standardized waveform fixing support and the standardized drainage plate bracket, the photovoltaic component is paved while the roof system is constructed, the construction speed is high, the efficiency is high, no special requirements are required for the technical level of constructors, the photovoltaic component can generate electricity and can also be used as a roof surface material to play a role in protecting a house, the risk of leakage in the future is avoided by a complete waterproof system, and the problems provided by the technical background are solved.

The invention can realize the ventilation, dehumidification and heat insulation functions of the sloping roof photovoltaic system with low energy consumption and energy saving: a large number of cavity structures formed by the corrugated drainage plates are beneficial to air circulation, cold air entering from the cornice absorbs heat energy in the system all the way upwards and carries moisture to be discharged from the eave, and the process is continuous and continuous, so that the dryness and coolness of the roof system are maintained; the cool ventilation not only reduces the building energy consumption, but also creates a good working environment for the photovoltaic module.

The photovoltaic module converts light into electricity through the photoelectric effect of crystalline silicon, and if the temperature inside the cell is too high, the photoelectric conversion efficiency is reduced; the power of a solar module is generally measured under the conditions of 25 degrees, 1000 watts per square meter and strong light, the surface temperature of a photovoltaic module in summer is usually over 45 degrees, and in order to avoid the reduction of the generating efficiency of the photovoltaic module, the distance between the photovoltaic module and a support is increased sometimes, the wind-resistant load is increased, and the diversion and air exhaust effects are created;

some methods add fans and some electric control devices to assist heat dissipation, and all of these methods increase construction cost and difficulty.

The ventilation and heat dissipation environment required by the photovoltaic assembly is realized through the structural design of the roof system, and the photovoltaic assembly is favorable for maintaining the generating efficiency of the photovoltaic assembly at high temperature in summer.

The invention has simple structure, the wave-shaped drainage plate is applied in the field of sloping roof buildings for many years, the process is mature and reliable, and compared with the traditional roof system, the invention has the obvious characteristics of simplified roof level and short construction period.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.