阅读说明：本技术 一种踏板组件及光伏建筑一体化屋面 (Pedal assembly and photovoltaic building integrated roof ) 是由 罗斌 孙中华 于 2020-04-30 设计创作，主要内容包括：本发明专利公开了一种踏板组件及光伏建筑一体化屋面,包括：底板,其表面开设有通风口；两个侧封板,侧封板开设有流水口；导水板,包括第一平板部和两个第一侧板部,围设形成水道,水道与流水口导通；挡雨板,包括第二平板部和两个第二侧板部,至少一挡雨板位于相邻两导水板之间。第二平板部高于第一侧板部形成第一间隙,第二侧板部与第一侧板部相错排布以形成第二间隙,第二侧板部高于第一平板部形成第三间隙,其中,第三间隙、第二间隙以及第一间隙导通至通风口形成通风通道。本专利通过底板、两个侧封板、导水板和挡雨板等结构实现了踏板组件及光伏建筑一体化屋面防滑、防水和通风的功能,且结构简单、牢靠耐用。(The invention discloses a pedal assembly and a photovoltaic building integrated roof, which comprises: a bottom plate, the surface of which is provided with a ventilation opening; the side sealing plates are provided with water flowing ports; the water guide plate comprises a first flat plate part and two first side plate parts, and a water channel is formed by enclosing and communicated with the water flowing port; and the rain shielding plate comprises a second flat plate part and two second side plate parts, and at least one rain shielding plate is positioned between the two adjacent water guide plates. The second flat plate part is higher than the first side plate part to form a first gap, the second side plate part and the first side plate part are arranged in a staggered mode to form a second gap, the second side plate part is higher than the first flat plate part to form a third gap, and the third gap, the second gap and the first gap are conducted to the ventilation opening to form a ventilation channel. This patent has realized the antiskid of footboard subassembly and photovoltaic building integration roofing, waterproof and function that ventilates through bottom plate, two side seal boards, water guide plate and weather shield isotructure, and simple structure, firm durable.)

1. The utility model provides a footboard subassembly installs at photovoltaic building's top, its characterized in that includes:

a bottom plate, the surface of which is provided with a ventilation opening;

the two side sealing plates are arranged above the bottom plate at intervals and are respectively positioned on two sides of the ventilation opening, and a plurality of water flowing ports are formed in the side walls of the side sealing plates;

the cross section of the water guide plate is of a U-shaped structure with an upward opening and comprises a first flat plate part and two first side plate parts, and a water channel is formed by the first flat plate part and the two first side plate parts in an enclosing manner; two ends of the water guide plate are respectively connected with the two side sealing plates in a sealing manner, and the water channel is communicated with the water flowing port;

the cross section of each rain baffle is of a U-shaped structure with an opening facing downwards, each rain baffle comprises a second flat plate part and two second side plate parts, at least one rain baffle is positioned between two adjacent water guide plates, two ends of each rain baffle are respectively fixed on the corresponding side sealing plates, the second flat plate part is higher than the first side plate parts to form a first gap, the second side plate parts and the first side plate parts are arranged in a staggered mode to form a second gap, the second side plate parts are higher than the first flat plate parts to form a third gap, and the rain baffles,

the third gap, the second gap and the first gap are communicated with the ventilation opening to form a ventilation channel.

2. The pedal assembly in accordance with claim 1 wherein:

the weather shield is a plurality of, and follows the extending direction interval of bottom plate sets up, and is a plurality of the weather shield is including being located two edge weather shields at bottom plate extending direction both ends, every edge weather shield outside the second side board portion extend to on the bottom plate surface, and with bottom plate sealing connection.

3. The pedal assembly in accordance with claim 1 wherein:

the side walls of the two side sealing plates are respectively provided with a plurality of water flowing ports which are in one-to-one correspondence with the water channels.

4. The pedal assembly in accordance with claim 1 wherein:

the bottom end of the water flow port is tangent to the surface of the bottom plate;

or;

the bottom end of the water flowing port is higher than the surface of the bottom plate.

5. The pedal assembly in accordance with claim 1 wherein:

and a third side plate part facing the second flat plate part is arranged on one side of the side sealing plate far away from the bottom plate, and the third side plate part is attached to the second flat plate part.

6. The pedal assembly in accordance with claim 1 wherein:

at least one rain baffle is arranged right above the water guide plate.

7. The pedal assembly in accordance with claim 1 wherein:

the bottom plate is also provided with a bottom plate reinforcing rib which is arranged in the vent and is parallel to the extending direction of the bottom plate.

8. The pedal assembly in accordance with claim 1 wherein:

the rain shield is provided with rain shield reinforcing ribs extending along the length direction of the rain shield.

9. The utility model provides a building integrated photovoltaic roofing which characterized in that:

the photovoltaic building integrated roof comprises a plurality of pedal assemblies according to any one of claims 1 to 8, a water chute is fixed on the photovoltaic building integrated roof, and a plurality of pedal assemblies are fixed on the water chute and spliced to form an operation and maintenance channel.

Technical Field

The invention relates to the technical field of building integrated photovoltaics, in particular to a pedal assembly and a building integrated photovoltaic roof.

Background

At present, photovoltaic building integration is more and more widely used, the technology can convert light energy into electric energy, energy conservation and emission reduction are facilitated, and light energy power generation is brought into the life of common residents. In practical application, an operation and maintenance channel and equipment for ventilation are usually reserved on the integrated photovoltaic building roof. However, the footplate and the ventilation device of the integrated roof of the photovoltaic building are basically two separate products at present. The ventilation equipment generally adopts a fan, a clerestory, a skylight and the like, and because the equipment has a certain height, a shadow area needs to be left beside the equipment, and a photovoltaic module cannot be installed, so that the waste of a roof is caused; meanwhile, the devices are troublesome to combine and install with the integrated roof of the photovoltaic building, and the overall attractiveness is affected by the protrusions of the devices. The pedal only can be used as the function of the operation and maintenance channel, and the whole manufacturing cost is high.

Therefore, can design a footboard subassembly and photovoltaic building integration roofing, simple structure, firm durable to it is the problem that this patent wants to solve to have waterproof, ventilation function.

Disclosure of Invention

Aiming at the defects in the prior art, the invention provides a pedal assembly and a photovoltaic building integrated roof, wherein the pedal assembly is simple in structure, firm and durable, and has the waterproof and ventilating functions through the structures such as a bottom plate, a side sealing plate, a rain baffle plate and a water guide plate.

The technical scheme provided by the invention is as follows:

a pedal assembly installed at the top of a photovoltaic building, comprising:

a bottom plate, the surface of which is provided with a ventilation opening;

the two side sealing plates are arranged above the bottom plate at intervals and are respectively positioned on two sides of the ventilation opening, and a plurality of water flowing ports are formed in the side walls of the side sealing plates;

the cross section of the water guide plate is of a U-shaped structure with an upward opening and comprises a first flat plate part and two first side plate parts, and a water channel is formed by the first flat plate part and the two first side plate parts in an enclosing manner; two ends of the water guide plate are respectively connected with the two side sealing plates in a sealing manner, and the water channel is communicated with the water flowing port;

the cross section of each rain baffle is of a U-shaped structure with an opening facing downwards, each rain baffle comprises a second flat plate part and two second side plate parts, at least one rain baffle is positioned between two adjacent water guide plates, two ends of each rain baffle are respectively fixed on the corresponding side sealing plates, the second flat plate part is higher than the first side plate parts to form a first gap, the second side plate parts and the first side plate parts are arranged in a staggered mode to form a second gap, the second side plate parts are higher than the first flat plate parts to form a third gap, and each rain baffle comprises a first flat plate part and a second flat plate part,

the third gap, the second gap and the first gap are communicated with the ventilation opening to form a ventilation channel.

This patent inventively designs a footboard subassembly, includes: the bottom plate, the side seal board, weather shield and water guide plate on the side seal board are fixed at both ends, and the key of this scheme lies in the cooperation relation between weather shield and the water guide plate, can enough realize preventing that the rainwater from passing through the footboard subassembly along the clearance of weather shield, can realize again that there is the ventilation channel that can the circulation of air between weather shield and the water guide plate. The design fully considers the position relation among all the parts and the natural law of air and rainwater, and solves the problems proposed before. The structure is very simple, the practicability is strong, the popularization prospect is wide, and great convenience can be brought to users and manufacturers.

Further, the weather shield is a plurality of, and follows the extending direction interval of bottom plate sets up, and is a plurality of the weather shield is including being located two edge weather shields at bottom plate extending direction both ends, every edge weather shield outside the second curb plate portion extend to on the bottom plate surface, and with bottom plate sealing connection.

The patent provides a concrete scheme of a rain baffle structure, wherein the problem of sealing the pedal assembly along two ends of the side sealing plates is solved by extending the second side plate part of the edge rain baffle to the surface of the bottom plate and sealing and connecting the second side plate part of the edge rain baffle with the surface of the bottom plate, and the scheme is convenient for practical production on one hand; on the other hand, the reliability of the pedal assembly is enhanced, and the two ends of the pedal can have good sealing performance without being matched with other sealing parts.

Furthermore, the water guide plates are provided with a plurality of water flowing ports, and the side walls of the two side sealing plates are respectively provided with the water flowing ports which correspond to the water channels one by one.

This patent has provided a concrete scheme that sets up the discharge orifice, through two be provided with a plurality of one-to-one discharge orifices on the side seal board lateral wall respectively, can increase footboard subassembly's drainage performance, realize the discharge orifice drainage simultaneously on two side plate portions, even have the weather of great precipitation in the water deflector also can be through the discharge orifice of a plurality of correspondences in time.

Further, the bottom end of the water flowing port is tangent to the surface of the bottom plate; or; the bottom end of the water flowing port is higher than the surface of the bottom plate.

The patent provides a specific scheme for setting the position of the water flowing port, the position of the water flowing port can be higher than the surface of the bottom plate and can also be tangent to the surface of the bottom plate, and if the position of the water flowing port is higher than the surface of the bottom plate in practical application, rainwater can flow out of the water flowing port along the water guide plate, so that the probability of rainwater retention is reduced; if the water flowing port is tangent to the surface of the bottom plate, the thickness of the pedal assembly is reduced to a certain extent, certain convenience can be brought in the using process, and the pedal assembly has a simpler appearance.

Further, a third side plate portion facing the second flat plate portion is arranged on one side, far away from the bottom plate, of the side sealing plate, and the third side plate portion is attached to the second flat plate portion.

This patent has proposed a side seal plate structure's concrete scheme, through set up the third side panel portion of laminating with the flat board portion of second on the side seal board, has further strengthened the leakproofness that side seal board and weather shield and water deflector are connected the position, forms the second floor guarantee, prevents because the facility is ageing and the possibility of leaking water appears in the connection position, and on the other hand also plays the additional strengthening to the weather shield, increases pedal assembly's reliability.

Further, at least one rain baffle is arranged right above the water guide plate.

The patent provides a plurality of combination forms between the water guide plates and the rain baffles, wherein one scheme is that one rain baffle is arranged between the adjacent water guide plates, and the form ensures that the gap between each adjacent rain baffle has the corresponding gap between the adjacent water guide plates to form an independent ventilation channel, thereby increasing the air exchange efficiency to the maximum extent; the second scheme is that at least one rain baffle is arranged right above the water guide plates, each water guide plate spans the gaps of the plurality of rain baffles, namely the width of the water guide plate is larger than that of the rain baffles, and the water flow of the water guide plates is increased.

Furthermore, the bottom plate is also provided with a bottom plate reinforcing rib which is arranged in the vent and is parallel to the extending direction of the bottom plate.

This patent has provided a concrete scheme of bottom plate, sets up the strengthening rib in the position that bottom plate and side seal board correspond promptly, can strengthen the bottom plate to the support of side seal board, prevents pedal assembly because trample the condition that local deformation appears for a long time in the use, increases pedal assembly's reliability.

Furthermore, a rain baffle reinforcing rib extending along the length direction of the rain baffle is arranged on the rain baffle.

This patent has provided the concrete scheme of weather shield, sets up the strengthening rib promptly on weather shield length direction, can prevent to trample for a long time and take place local deformation on the one hand, and on the other hand can play skid-proof effect, prevents that maintenance personal from unexpected slipping.

The invention also discloses a photovoltaic building integrated roof: the photovoltaic building integrated roof is characterized by comprising a plurality of pedal assemblies, a water guide groove is fixed on the photovoltaic building integrated roof, the pedal assemblies are fixed on the water guide groove, and an operation and maintenance channel is formed by splicing the pedal assemblies.

This patent is through using footboard subassembly on the building integrated into one piece roofing of photovoltaic, has realized that building integrated into one piece roofing of photovoltaic need not set up other ventilation equipment again to increase the quantity of installing of photovoltaic module at the roofing, make the roofing beautiful succinct, also combined simple, firm durable of footboard subassembly, and have waterproof, ventilation function's effect.

The invention has the technical effects that:

1. the position relation between each part has fully been considered to this patent to and the natural law of air and rainwater, solved photovoltaic building ventilation equipment and influenced big problem to photovoltaic module. The structure is very simple, the practicability is strong, the popularization prospect is wide, and great convenience can be brought to users and manufacturers;

2. the problem of sealing the pedal assembly along two ends of the side sealing plates is solved by extending the two second side plate parts at the outermost sides of the edge rain shields to the surface of the bottom plate, so that the pedal assembly is convenient to actually produce, and the reliability of the pedal assembly is enhanced;

3. the influence of the position of the water flowing port on the amount of flowing water and the thickness of the pedal assembly is fully considered, different positions of the water flowing port can be selected according to different use scenes, and the maximum drainage performance of the pedal assembly is realized;

4. the third side plate part is arranged on the side sealing plate, so that the sealing performance of the connecting part of the side sealing plate, the rain shield and the water guide plate is further enhanced, a second guarantee is formed, the possibility of water leakage at the connecting part due to facility aging is prevented, on the other hand, the rain shield is strengthened, and the reliability of the pedal assembly is improved;

5. the patent provides a plurality of combination forms between the water guide plates and the rain baffles, wherein one scheme is that one rain baffle is arranged between the adjacent water guide plates, and the form ensures that the gap between each adjacent rain baffle has the corresponding gap between the adjacent water guide plates to form an independent ventilation channel, thereby increasing the air exchange efficiency to the maximum extent; the second scheme is that at least one rain baffle is arranged right above the water guide plates, and the groove of each water guide plate spans the gaps of the plurality of rain baffles, namely the width of the water guide plate is larger than that of the rain baffle, so that the water flow of the water guide plate is increased;

6. the reinforcing ribs are arranged in the length direction of the rain shield, so that on one hand, the rain shield can prevent local deformation caused by long-time treading, and on the other hand, the rain shield can play a role in skid resistance, and maintenance personnel can be prevented from accidentally slipping down;

7. this patent is through using footboard subassembly on the building integrated into one piece roofing of photovoltaic, has realized that building integrated into one piece roofing of photovoltaic need not set up other ventilation equipment again to increase the quantity of installing of photovoltaic module at the roofing, make the roofing beautiful succinct, also combined simple, firm durable of footboard subassembly, and have waterproof, ventilation function's effect.

Drawings

The invention is described in further detail below with reference to the following figures and detailed description:

FIG. 1 is a schematic perspective view of a base plate of the product of the present invention;

FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;

FIG. 3 is a schematic perspective view of a part of the structure of the product of the present invention;

FIG. 4 is a cross-sectional view of FIG. 2 taken along the length of the side seal plates;

FIG. 5 is a schematic perspective view of a product of the present invention;

FIG. 6 is a schematic cross-sectional view of one embodiment taken along the length of the side seal plates;

FIG. 7 is a schematic cross-sectional view of a plurality of pedal assemblies in use;

FIG. 8 is a schematic cross-sectional view of an embodiment of a water deflector corresponding to a plurality of rain shields;

fig. 9 is a schematic view of a photovoltaic building integrated roof.

The reference numbers illustrate:

10. the water guide plate comprises a bottom plate, 11 vent holes, 12 bottom plate reinforcing ribs, 20 side sealing plates, 21 water flowing openings, 22 third side plate portions, 30 rain blocking plates, 31 rain blocking plate reinforcing ribs, 32 second flat plate portions, 33 second side plate portions, 40 water guide plates, 41 first gaps, 42 second gaps, 43 third gaps, 44 first flat plate portions, 45 first side plate portions, 50 water guide grooves and 60 operation and maintenance channels.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will be made with reference to the accompanying drawings. It is obvious that the drawings in the following description are only some examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be derived from them without inventive effort.

As an embodiment, as shown in fig. 5, a step assembly is provided on the top of a photovoltaic building, and mainly comprises a bottom plate 10, two side sealing plates 20, and a water guide plate 40 and a rain shield plate 30 as shown in fig. 4, wherein the bottom plate 10, the two side sealing plates 20, the water guide plate 40 and the rain shield plate 30 are preferably fixed together, and are fixed by welding or rivets and then covered with waterproof glue.

As shown in fig. 1 and fig. 2, a ventilation opening 11 is formed in a surface of the bottom plate 10, and it should be noted that in the drawings of the present embodiment, the shape of the ventilation opening 11 is a square, but is not limited to this shape, and the shape of the ventilation opening 11 may be changed in practical applications.

As shown in fig. 3, two side sealing plates 20 are installed above the bottom plate 10 at intervals and located at two sides of the ventilation opening 11, and a plurality of water flow openings 21 are opened on the side walls of the side sealing plates 20. The relative positions of the two side sealing plates 20 may be parallel to each other, or may have a certain angle, for example, if the pedal assembly is disposed in a trapezoidal region, the installation in this position can be achieved by changing the shape of the base plate 10 and the relative positions of the side sealing plates 20, which is very flexible and convenient. In addition, the position and number of the flow ports 21 can be selected according to the actual application scenario.

As shown in fig. 6, the cross section of the water deflector 40 is a U-shaped structure with an upward opening, two side ends of the water deflector 40 are fixed on the corresponding side sealing plates 20 by welding, the water deflector 40 includes a first flat plate portion 44 and two first side plate portions 45, and the first flat plate portion 44 and the two first side plate portions 45 enclose to form a water channel; two ends of the water guide plate 40 are respectively connected with the two side sealing plates 20 in a sealing manner, and the water channel is communicated with the water flowing port 21.

The cross section of the rain baffle 30 is a U-shaped structure with an opening facing downwards, two side ends of the rain baffle 30 are fixed on the corresponding side sealing plates 20 by welding, the rain baffle 30 comprises a second flat plate part 32 and two second side plate parts 33, at least one rain baffle 30 is located between two adjacent water guide plates 40, two ends of the rain baffle are fixed on the two side sealing plates 20, the second flat plate part 32 is higher than the first side plate part 45 to form a first gap 41, the second side plate part 33 and the first side plate part 45 are arranged in a staggered manner, a second gap 42 is formed between the second side plate part 33 and the first side plate part 45, the second side plate part 33 is higher than the first flat plate part 44 to form a third gap 43, wherein the third gap 43, the second gap 42 and the first gap 41 are communicated with the ventilation opening 11 to form a ventilation channel.

Further preferably, a plurality of rain shields 30 are disposed and spaced apart along the extending direction of the bottom plate 10, the plurality of rain shields 30 include two edge rain shields located at two ends of the extending direction of the bottom plate 10, and the second side plate portion 33 at the outermost side of each edge rain shield extends to the surface of the bottom plate 10 and is connected to the bottom plate in a sealing manner. That is, in the direction in which the rain shielding plates 30 are arranged on the side sealing plates 20, the two outermost second side plate portions 33 extend onto the surface of the base plate 10 and are sealingly connected to the base plate 10. The two second side plate parts 33 at the outermost sides of the rain baffles 30 extend towards the surface of the bottom plate 10 and are in sealing connection with the surface of the bottom plate 10, so that the problem of sealing the pedal assembly along the two ends of the side sealing plates 20 is solved, and the scheme is convenient for practical production; on the other hand, the reliability of the pedal assembly is enhanced, and the two ends of the side sealing plate 20 can have good sealing performance without being matched with other sealing parts.

More preferably, a plurality of water deflectors 40 are provided, and the side walls of the two side sealing plates 20 are respectively provided with a plurality of water outlets 21 corresponding to the water channels one by one. The drainage performance of the pedal assembly can be improved, the two side plate parts can drain water simultaneously, and the water guide plate 40 can drain water in time through the two corresponding water flowing openings 21 even in the weather with large precipitation.

Specifically, the water flowing port 21 is located on the side wall of the side sealing plate 20, and the bottom end of the water flowing port 21 is tangent to the surface of the bottom plate 10, so that the thickness of the pedal assembly can be reduced to a certain extent, certain convenience can be brought in the use process, and the pedal assembly has a more concise appearance. In another preferred embodiment, the bottom end of the water flowing port 21 is higher than the surface of the bottom plate 10, which is beneficial for rainwater to flow out of the water flowing port 21 along the water guide plate 40, and reduces the probability of rainwater retention.

Further preferably, as shown in fig. 3, the side sealing plate 20 is provided with a third side plate portion 22 facing the second flat plate portion 32 on the side away from the bottom plate 10, and the third side plate portion 22 is attached to the second flat plate portion 32. By providing the third side plate portion 22 attached to the second flat plate portion 32 on the side sealing plate 20, the sealing performance of the connecting portion between the side sealing plate 20 and the rain shield 30 and the water guide plate 40 is further enhanced, a double guarantee is formed, the possibility of water leakage at the connecting portion due to facility aging is prevented, and on the other hand, the third side plate portion also has a reinforcing effect on the rain shield 30, and the reliability of the pedal assembly is improved. Preferably, the third side plate portion 22 and the second flat plate portion 32 are integrated by welding.

Specifically, as shown in fig. 6, one rain guard 30 is disposed between adjacent water deflectors 40 in such a manner that the gap between each adjacent rain guard 30 has a corresponding gap between adjacent water deflectors 40 to form a separate ventilation passage, thereby maximizing the air exchange efficiency.

As shown in fig. 8, in another specific embodiment, at least one rain-shielding plate 30 is disposed directly above the water guide plate 40, and as a specific implementation column, one rain-shielding plate 30 is disposed directly above the water guide plate 40, that is, three rain-shielding plates 30 are disposed between adjacent water guide plates 40, and each water guide plate 40 spans two gaps formed between three sequentially adjacent rain-shielding plates 30, that is, the width of the water guide plate 40 is greater than that of the rain-shielding plates 30, so that the water flow of the water guide plate 40 is increased. In addition, the width of the water guide plates 40 and the number of the rain baffles 30 between the gaps of the adjacent water guide plates 40 can be adjusted according to the climatic characteristics of the installation area, so that the reasonable matching of the water discharge and the ventilation quantity is realized.

Further preferably, as shown in fig. 1, a bottom plate reinforcing rib 12 is provided on the bottom plate 10 at a position corresponding to the side sealing plate 20; as shown in fig. 3, the weather shield 30 may be provided with a weather shield rib 31 extending in the longitudinal direction of the weather shield 30.

The bottom plate reinforcing ribs 12 can enhance the support of the bottom plate 10 on the side sealing plate 20, and prevent the pedal assembly from local deformation caused by long-time treading in the use process; the rain baffle reinforcing ribs 31 can prevent local deformation caused by long-time treading, and can play a role in skid resistance to prevent maintenance personnel from accidentally slipping.

In another preferred embodiment, as shown in fig. 9, the present invention further discloses a building integrated photovoltaic roof: the technical characteristics of any one of the pedal assemblies are included, as shown in fig. 7, a water chute 50 is fixed on the integrated photovoltaic building roof, and a plurality of pedal assemblies are sequentially fixed on the water chute 50 and are spliced to form an operation and maintenance channel 60. Realized that photovoltaic building integration roofing need not set up other ventilation equipment again, increased the quantity of installing of photovoltaic module at the roofing, made the roofing beautiful succinct, also possessed this patent the footboard subassembly simple, firm durable to have waterproof, ventilation function's effect.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.