CN117721961A - A long-span photovoltaic metal roof system with inner supports for strong wind areas - Google Patents

Abstract

The invention relates to the technical field of metal roofs and discloses a large-span photovoltaic metal roofing system with an inner support for a strong wind area, which comprises purlines and metal roof plates arranged on the purlines, wherein solar photovoltaic plates are arranged on the metal roof plates, sliding brackets and the inner support are arranged between the metal roof plates and the purlines, the sliding brackets are fixedly connected on the purlines and comprise a base and sliding hook pieces, the base is arranged in a chute, and the sliding hook pieces penetrate out of the chute; the inner support is arranged in the wave crest and comprises a bottom plate and two support components which are symmetrically arranged on the bottom plate left and right, a connecting strip and a separation plate are arranged between the two support components, and each support component comprises a support seat and a support sheet which is slidably arranged on the support seat; the top of the wave crest is internally wrapped with the tops of the two supporting sheets, and the outside is provided with an anti-wind clip. The invention effectively improves the wind resistance of the metal roof system, ensures that the inner support and the metal roof are not separated under the action of strong wind, and has excellent economy and safety.

Description

A long-span photovoltaic metal roof system with inner supports for strong wind areas

Technical field

The present invention relates to the technical field of photovoltaic metal roofs, and in particular to a large-span photovoltaic metal roof system with internal supports for use in strong wind areas.

Background technique

In order to adapt to the development trend of photovoltaic new energy, metal roof systems and photovoltaic systems have gradually been combined to form building-integrated photovoltaic systems (BIPV), which effectively improves the new energy conversion rate in the building field. However, photovoltaic metal roof systems are sensitive to wind loads and strong winds. This is the main reason for reducing the operational safety of photovoltaic building-integrated systems. In order to increase the energy of the photovoltaic system, the photovoltaic system is often combined with long-span metal roof panels to form a long-span photovoltaic metal roof system. However, the long-span photovoltaic metal roof system puts forward higher requirements for the wind resistance performance of the structure. At present, photovoltaic metal roof systems have problems with low wind resistance and short service life. The reason is that strong winds can easily cause the support between the metal roof and the purlins to detach, causing the photovoltaic metal roof to lift, seriously affecting the normal operation of the structure. Therefore, there are It is necessary to design long-span photovoltaic metal roof systems suitable for strong wind areas.

Contents of the invention

The purpose of the present invention is to provide a large-span photovoltaic metal roof system with internal supports for strong wind areas, by using a newly designed sliding internal support structure, coordinating the connection form of the internal supports and metal roof panels, and using matching external supports. The comprehensive method of wind-resistant clips can improve the overall wind-resistant performance of the photovoltaic metal roof system and save economic costs.

In order to achieve the above objects, the present invention provides the following solutions:

A large-span photovoltaic metal roofing system with inner supports for strong wind areas, including: purlins and metal roof panels arranged on the purlins. Solar photovoltaic panels are arranged on the metal roof panels. The metal roof panels and the purlins are A plurality of sliding brackets and a plurality of inner supports are arranged in between, and the sliding brackets and inner supports are arranged at intervals. The metal roof panel is provided with a plurality of wave peaks and a plurality of chute, and the chute is in the convex direction of the wave peak. Consistent, and the chute is spaced apart from the wave peak, and a plurality of the wave peaks and a plurality of the chute are distributed along the length direction of the purlin;

The sliding bracket is fixedly connected to the purlin and is arranged at a position corresponding to the chute. The sliding bracket includes a base and a sliding hook piece arranged on the base. The base is arranged in the chute. The sliding hook piece penetrates the chute and is slidably connected to the chute, and the top of the sliding hook piece is provided with an anti-decoupling hook;

The inner support is arranged in the wave crest. The inner support includes a bottom plate and two support components symmetrically arranged on the bottom plate. A connecting bar and an isolation plate are provided between the two support components. The connecting bar is provided on the base plate. In the center of the bottom plate, the isolation plate is arranged on the connecting strip. Each of the support components includes a support base and a support sheet slidably disposed on the support base; the top of the wave crest is wrapped inside two support sheets. The top of the wave crest is provided with a wind-resistant clip outside the top of the wave crest.

Further, the shape of the base is adapted to the shape of the chute. The base includes a first base, a second base and a third base. The second base is arranged horizontally and is fixedly connected to the purlin. on the second base, the first base and the third base are vertically and symmetrically arranged on the second base, the first base and the third base are provided with clamping slots, and the sliding hook piece is clamped in the clamping slot inside, perpendicular to the first base and the third base.

Further, the second base is provided with bolt holes and is fixedly connected to the purlin through first self-tapping screws.

Further, the shape of the inner support is adapted to the wave crest. The support base includes a front support, a rear support, an upper support part and a lower support part. The front support and the rear support are vertically located on On the base plate, the front support and the rear support are connected through an upper support part and a lower support part, a groove is formed between the upper support part and the lower support part, and the middle part of the support sheet is provided with a The protrusion matches the groove, and the protrusion is slidably disposed in the groove. The top of the support sheet protrudes from the support seat and is in the shape of a circular roll.

Further, bolt holes are provided on the bottom plate and are fixedly connected to the purlins through second self-tapping screws.

Further, the wind-resistant clamp includes two symmetrically arranged clamping parts. The two clamping parts are fixedly connected by screws to form a cavity. The cavity matches the top shape of the wave crest, so The cavity wraps around the top of the wave crest.

Further, the solar photovoltaic panel is fixedly connected to the metal roof panel through fasteners.

Further, there are multiple purlins, and the purlins are C-type purlins. The C-type purlins include an integrally formed upright plate, an upper wing plate, and a lower wing plate. The metal roof panel is provided on the C-type purlin. The upper wing plate of the purlin.

Furthermore, the material of the metal roof panel is aluminum-magnesium or aluminum-zinc, and the material of the wind-resistant clip is aluminum alloy.

Further, the metal roof panel is made up of multiple profiled metal plates, adjacent profiled metal plates are connected by fasteners, and the boundaries between adjacent profiled metal plates are connected by angle keys; There are several solar photovoltaic panels, and two adjacent solar photovoltaic panels are connected by fasteners.

Compared with the existing technology, the large-span photovoltaic metal roof system with internal supports for strong wind areas provided by the present invention has the following technical effects:

1. In the large-span photovoltaic metal roof system used in the present invention, the supporting structure includes sliding brackets, inner supports, and purlins. The fixed structure includes wind-resistant clamps and fasteners. The interior of the metal roof panel is connected to the purlins by sliding brackets, inner supports, and purlins. The exterior is fixed with wind-resistant clips, which effectively ensures the connection effect between the metal roof and the purlins, greatly improving the load-bearing performance of the entire structure;

2. The internal support structure designed by the present invention includes four supports, four support parts, a bottom plate, an isolation plate, a connecting strip and two support sheets. The upper part of the support sheet is rolled into a circular roll, with a total of three layers rolled. The middle part is raised and connected to the support through a groove; the support sheet can slide to a certain extent. Compared with the fixed inner support, this sliding inner support structure has a stronger load-bearing capacity and can significantly increase the service life of the entire system; The support structure is internally connected to the purlins through self-tapping screws, and externally fixed together with the roof panels through wind-resistant clamps. The entire structure is symmetrical and evenly stressed. It can resist strong winds without failure, and still bears the load together with the rest of the support structure;

3. The wind-resistant clamp designed by the present invention is used in conjunction with the entire system. It is composed of two pieces of aluminum alloy and two sets of stainless steel screws. The structure of the left and right pieces of aluminum alloy is completely symmetrical, and the shape fits the top contour of the crest of the metal roof panel. With stainless steel screws, it can be The support sheets are limited to the top of the wave crest, further stabilizing the connection between the metal roof panels and the inner supports, and significantly improving the stability and wind resistance of the system;

4. The present invention uses a sliding bracket. The sliding bracket is equipped with a sliding hook piece. Compared with the fixed bracket, the sliding bracket generates a certain amount of displacement along the chute. When the metal roof system undergoes thermal expansion and contraction, it can slide to a certain extent to Prevent damage to metal roof panels;

5. The long-span photovoltaic metal roof system with internal supports proposed by the present invention improves the wind resistance of the system by using internal support structures, coordinating the fastening methods of roof panels and internal supports, and using wind-resistant clips on the outside. Compared with the secondary improvement of the long-span metal roof panels themselves, this method not only effectively reduces the economic and time costs, but also supports and fixes both the inside and outside of the system, greatly improving the resistance of the entire system. Wind performance, suitable for coastal areas where typhoons occur frequently.

Description of the drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings needed to be used in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some of the drawings of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic diagram of the overall structure of the large-span photovoltaic metal roof system with inner supports used in strong wind areas according to the present invention;

Figure 2 is a schematic side structural view of the large-span photovoltaic metal roof system with inner supports used in strong wind areas according to the present invention;

Figure 3 is a schematic structural diagram of a metal roof panel according to an embodiment of the present invention;

Figure 4 is a schematic structural diagram of a solar photovoltaic panel according to an embodiment of the present invention;

Figure 5 is a schematic structural diagram of the inner support according to the embodiment of the present invention;

Figure 6 is a schematic structural diagram of a wind-resistant clip according to an embodiment of the present invention;

Figure 7 is a schematic diagram of the assembly structure of inner supports and metal roof panels according to the embodiment of the present invention;

Figure 8 is a schematic diagram of the assembly structure of inner braces and purlins according to the embodiment of the present invention;

Figure 9 is a schematic structural diagram of the sliding bracket according to the embodiment of the present invention;

Figure 10 is a schematic diagram of the assembly structure of the sliding bracket and the metal roof panel according to the embodiment of the present invention;

Figure 11 is a schematic diagram of the assembly structure of the sliding bracket and purlins of the present invention;

Figure 12 is a schematic structural diagram of a fastener according to an embodiment of the present invention.

Explanation of reference signs: 1. Solar photovoltaic panel; 2. Metal roof panel; 2-1. Chute; 2-2. Wave crest; 3. Purlin; 4. Sliding bracket; 4-1. Sliding hook piece; 4-2 , first base; 4-3, second base; 4-4, third base; 5, fastener; 6, inner support; 6-1, first support sheet; 6-2, second support sheet; 6-3, first support, 6-4, second support; 6-5, third support; 6-6, fourth support; 6-7, first support part; 6-8, third support Second support part; 6-9, third support part; 6-10 fourth support part; 6-11, bottom plate; 6-12, isolation plate; 6-13, connecting strip; 7, wind-resistant clamp; 7-1 , the first aluminum alloy; 7-2, the second aluminum alloy; 7-3, the first screw; 7-4, the second screw; 8, angle key; 9, the second self-tapping screw; 10, the first self-tapping screw screws.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

The purpose of the present invention is to provide a large-span photovoltaic metal roof system with internal supports for strong wind areas, by using a newly designed sliding internal support structure, coordinating the connection form of the internal supports and metal roof panels, and using matching external supports. The comprehensive method of wind-resistant clips can improve the overall wind-resistant performance of the photovoltaic metal roof system and save economic costs.

In order to make the above objects, features and advantages of the present invention more obvious and understandable, the present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1 to 12, the long-span photovoltaic metal roof system with internal supports for strong wind areas provided by the present invention includes: purlins 3 and metal roof panels 2 arranged on the purlins 3. The metal roof panels 2 A solar photovoltaic panel 1 is arranged on the top of the metal roof panel 2. A plurality of sliding brackets 4 and a plurality of inner supports 6 are arranged between the metal roof panel 2 and the purlin 3. The sliding brackets 4 and inner supports 6 are arranged at intervals. The metal roof panel 2 is provided with There are multiple wave peaks 2-2 and multiple chute 2-1. The chute 2-1 is consistent with the convex direction of the wave peak 2-2, and the chute 2-1 is consistent with the wave peak 2-2. 2 are arranged at intervals, and a plurality of the wave peaks 2-2 and a plurality of the chute 2-1 are distributed along the length direction of the purlin 3;

The sliding bracket 4 is fixedly connected to the purlin 3 and is arranged at a position corresponding to the chute 2-1. The sliding bracket 4 includes a base and a sliding hook piece 4-1 arranged on the base. The base is arranged in the chute 2-1, and the sliding hook piece 4-1 passes through the chute 2-1 and is slidably connected to the chute 2-1. The sliding hook piece 4-1 The top of 1 is provided with an anti-detachment, so that the metal roof panel 2 can slide to a certain extent, and the upper shape is curved to prevent the metal roof panel 2 from being detached from the purlins; the sliding hook piece 4-1 can slide along the chute 2-1 produce a certain displacement.

For example, the sliding bracket 4 is a 360° sliding bracket, and the 360° sliding bracket can realize 360-degree lock seam connection of roof panels. Please refer to patent CN110512804A - a 360-degree sliding upright edge-locking bracket and its use method.

For example, as shown in Figures 9-11, the shape of the base is adapted to the shape of the chute 2-1, and the base includes a first base 4-2, a second base 4-3 and a third base. Three bases 4-4, the second base 4-3 is arranged horizontally and is fixedly connected to the purlin 3, the first base 4-2 and the third base 4-4 are arranged vertically and symmetrically on the third base On the second base 4-3, the first base 4-2 and the third base 4-4 are provided with card slots, and the sliding hook piece 4-1 is clamped in the card slot and connected with the first base 4-3. The base 4-2 and the third base 4-4 are perpendicular to each other. The second base 4-3 is provided with bolt holes and is fixedly connected to the purlin 3 through first self-tapping screws 10.

In a specific embodiment, the sliding bracket 4 is made of sheet metal. The thickness of the first base 4-2, the second base 4-3 and the third base 4-4 is about 2 to 3 mm. The sliding hook piece 4-1 is Thickness is approximately 0.7mm.

As shown in Figure 5, Figure 7 and Figure 8, the inner support 6 is arranged in the wave peak 2-2. The inner support 6 includes a bottom plate 6-11 and two left and right symmetrically arranged on the bottom plate 6-11. Support assembly, a connecting strip 6-13 and an isolation plate 6-12 are arranged between the two support assemblies. The connecting strip 6-13 is arranged in the center of the bottom plate 6-11, and the isolation plate 6-12 is arranged at the center of the bottom plate 6-11. On the connecting bars 6-13, each of the support components includes a support seat and a support sheet slidably disposed on the support seat; the top of the wave peak 2-2 is wrapped inside the top of the two support sheets, and the top of the wave peak 2-2 is A wind-resistant clip 7 is provided outside the top of 2-2. As shown in Figure 5, the top of the wave peak 2-2 is wide at the top and narrow at the bottom. The top of the support sheet is wrapped in the wide part, and the wind-resistant clip 7 can lock the narrow part, thereby further avoiding the contact between the support 6 and the metal. Detachment between roof panels 2.

Wherein, welding may be used between the connecting strip 6-13 and the isolation plate 6-12.

For example, the shape of the inner support 6 is adapted to the wave crest 2-2. The support base includes a front support, a rear support, an upper support part and a lower support part. The front support and the rear support The seat is vertically installed on the bottom plate 6-11, and the front support and the rear support are connected by an upper support part and a lower support part, and a groove is formed between the upper support part and the lower support part. The middle part of the support sheet is provided with a protrusion that matches the groove. The protrusion is slidably disposed in the groove. The top of the support sheet protrudes from the support seat and is in the shape of a round roll. .

Specifically, as shown in Figure 5, the front support includes a third support 6-5 and a second support 6-4, and the rear support includes a fourth support 6-6 and a first support. Seat 6-3, the upper support part includes a fourth support part 6-10 and a first support part 6-7, the lower support part includes a third support part 6-9 and a second support part 6-8, so The support sheet includes a second support sheet 6-2 and a first support sheet 6-1; wherein, the third support 6-5, the fourth support 6-6, the fourth support part 6-10, the third support part 6-9. The second support sheet 6-2 constitutes the support component on the left side, and the third support 6-5 and the fourth support 6-6 are connected through the third support part 6-9 and the fourth support part 6-10 ; The second support 6-4, the first support 6-3, the first support part 6-7, and the second support part 6-8 constitute the support component on the right side, and the first support 6-3 and the second support part The base 6-4 is connected through the first support part 6-7 and the second support part 6-8; the first support 6-3 and the fourth support 6-6 are connected through the connecting bar 6-13, and the second support 6 -4 is connected to the third support 6-5 through the connecting strip 6-13; the upper parts of the second support sheet 6-2 and the first support sheet 6-1 are in the shape of a circular roll, with a total of 3 layers. The second support sheet 6 -2 and the middle part of the first support sheet 6-1 are both convex, and the first support sheet 6-1 is connected with the first support 6-3, the second support 6-4, and the first support part 6-7 through grooves And the second support part 6-8 is connected, the second support sheet 6-2 is connected with the third support 6-5, the fourth support 6-6, the third support part 6-9 and the fourth support part 6 through the groove -10 connections.

In this example, both the first supporting sheet 6-1 and the second supporting sheet 6-2 of the inner supporting structure 6 can slide to a certain extent.

In the inner support structure 6 of this embodiment, the first support part 6-7, the second support part 6-8, the third support part 6-9, and the fourth support part 6-10 are all perpendicular to the bottom plate 6-11, and along the bottom plate 6-11 The vertical center line is symmetrically distributed.

The bottom plate 6 - 11 is provided with bolt holes and is fixedly connected to the purlin 3 through second self-tapping screws 9 . For example, the bottom plate 6-11 has two bolt holes on the left and right sides of the isolation plate 6-12.

The function of the isolation plate 6-12 is to isolate the first support sheet 6-1 and the second support sheet 6-2, so that the sliding movement of the two support sheets does not affect each other.

In the specific embodiment, the thickness of the bottom plate 6-11 of the inner support 6 is 3.5mm, the thickness of the first support sheet 6-1 and the second support sheet 6-2 is 0.7mm, the thickness of the isolation plate 6-12 is 0.5mm, and the first support 6-3. The thickness of the second support 6-4, the third support 6-5 and the fourth support 6-6 is about 1.44mm. The first support part 6-7; the second support part 6-8; The thickness of the third support part 6-9 and the fourth support part 6-10 is about 1mm.

As shown in Figure 6, the wind-resistant clamp 7 includes two symmetrically arranged clamping parts. The two clamping parts are fixedly connected by screws to form a cavity. The cavity is connected to the wave peak 2-2. The top shape is adapted, and the cavity wraps the top of the wave peak 2-2.

Specifically, the two clamping parts are a first aluminum alloy 7-1 and a second aluminum alloy 7-2, and the wind-resistant clamp 7 is composed of a first aluminum alloy 7-1, a second aluminum alloy 7-2, and a first screw. 7-3 and a second screw 7-4, the first aluminum alloy 7-1 and the second aluminum alloy 7-2 are symmetrical in shape and structure.

The solar photovoltaic panel 1 is fixedly connected to the metal roof panel 2 through fasteners 5 .

There are multiple purlins 3, and the purlins 3 are C-type purlins. The C-type purlins include an integrally formed upright plate, an upper wing plate and a lower wing plate. The metal roof panel 2 is arranged on the C-type purlin. The upper wing plate of the purlin.

As shown in Figure 3, the metal roof panel 2 is made of aluminum-magnesium or aluminum-zinc, and has a thickness of 0.6mm. The metal roof panel 2 is made up of multiple profiled metal plates spliced together. Adjacent profiled metal plates are connected by fasteners 5 , and the boundaries between adjacent profiled metal plates are connected by angle keys 8 .

As shown in FIG. 4 , there are several solar photovoltaic panels 1 , and two adjacent solar photovoltaic panels 1 are connected by fasteners 5 . The thickness of the solar photovoltaic panel 1 is 3.5cm.

In the above embodiment, the structure of the fastener 5 is shown in Figure 12, including a symmetrical clamping structural member, and screws are provided on the upper part to tighten downwards to fix the fastener 5 on the object. The buckle achieves a tight connection.

In this example, the entire long-span wind-resistant metal roof system is bonded with gaps and joints using glue to ensure the air and water tightness of the system.

In order to make the long-span building photovoltaic metal roof system of the present invention stronger in wind resistance, more than two bolt holes of the sliding bracket and the inner support can be provided, and the thickness of the support sheet in the inner support structure can also be increased accordingly.

The invention provides a large-span photovoltaic metal roof system with an internal support structure suitable for strong wind areas, which mainly includes solar photovoltaic panels, metal roof panels, purlins, sliding brackets, internal supports and wind-resistant clips. The present invention improves the wind resistance of the system by using an inner support structure, coordinating the fastening method of the inner support and metal roof panels, and using roof clamps on the outside. The present invention designs a new inner support structure, which has a support, a support part, a bottom plate, a connecting strip, an isolation plate and a support sheet. The lower part of the support sheet is connected to the support through a groove, and the upper part is in the shape of a circular roll. It has three layers, the support sheet can slide, and the inner support can be inserted from the side end of the roof panel along the contour gap at the peak. Four bolt holes are left in the bottom plate of the inner support, and the support structure under the inner support base is installed through self-tapping screws. On the purlins, the inner braces are connected to the roof panels by inserting into the grooves of the metal roof panels, and to match the inner brace structure; in addition, a new wind-resistant clip is designed, which is composed of two pieces of aluminum alloy and two sets of screws. In the present invention, wind-resistant clips are used for secondary reinforcement at the position of the inner brace on the guide rail at the peak of the roof panel. The invention adopts a 360° sliding bracket, which includes a base and a sliding hook piece. The sliding hook piece can slide along the chute to a certain extent. There are two bolt holes left in the sliding bracket base, which are installed on the purlins through self-tapping screws. The sliding hook The blade and base are connected through slots. The solar photovoltaic panels are fixed to the metal roof panels through fasteners, and the metal roof panels are connected to the purlins through inner supports and sliding brackets. This photovoltaic metal roof system has high wind resistance. So far, there are no similar internal support structures and long-span photovoltaic metal roof systems on the market.

The long-span photovoltaic metal roof system with inner supports proposed by the present invention for strong wind areas has strong wind resistance and can withstand strong winds up to 7.5kPa, and the system will not cause functional damage, and the solar photovoltaic panels will still It can continue to generate electricity, and the metal roof panels can still continue to play corresponding roles. The sliding brackets and inner supports will not cause too much deformation and can still play a supporting role. The entire system is safe and stable, has high wind resistance, and the economic cost is also Controllable range and high cost performance.

This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method and the core idea of the present invention; at the same time, for those of ordinary skill in the art, according to the present invention There will be changes in the specific implementation methods and application scope of the ideas. In summary, the contents of this description should not be construed as limitations of the present invention.

Claims (10)

1. A long-span photovoltaic metal roof system with inner supports for strong wind areas, including purlins (3) and metal roof panels (2) arranged on the purlins (3). The metal roof panels (2) A solar photovoltaic panel (1) is provided, characterized in that a plurality of sliding brackets (4) and a plurality of inner supports (6) are arranged between the metal roof panel (2) and the purlin (3). The sliding bracket (4) ) and inner supports (6) are spaced apart. The metal roof panel (2) is provided with multiple wave crests (2-2) and multiple chute (2-1). The chute (2-1) is connected to the The convex directions of the wave peaks (2-2) are consistent, and the chute (2-1) is spaced apart from the wave peaks (2-2). A plurality of the wave peaks (2-2) and a plurality of the wave peaks (2-2) are The chute (2-1) is distributed along the length direction of the purlin (3); The sliding bracket (4) is fixedly connected to the purlin (3) and is arranged at a position corresponding to the chute (2-1). The sliding bracket (4) includes a base and a sliding bracket arranged on the base. Hook piece (4-1), the base is arranged in the chute (2-1), the sliding hook piece (4-1) goes out of the chute (2-1), and is connected with the The chute (2-1) can be slidably connected, and the top of the sliding hook piece (4-1) is provided with an anti-decoupling hook; The inner support (6) is arranged in the wave crest (2-2). The inner support (6) includes a bottom plate (6-11) and two support components symmetrically arranged on the bottom plate (6-11). , a connecting strip (6-13) and an isolation plate (6-12) are provided between the two support components, the connecting strip (6-13) is arranged in the center of the bottom plate (6-11), and the isolation plate (6-12) is provided on the connecting bar (6-13), and each of the support components includes a support base and a support sheet slidably disposed on the support base; the inside of the top of the wave peak (2-2) The tops of the two support sheets are wrapped, and a wind-resistant clip (7) is provided outside the top of the wave peak (2-2). 2. The long-span photovoltaic metal roof system with inner supports for strong wind areas according to claim 1, characterized in that the shape of the base is adapted to the shape of the chute (2-1), The base includes a first base (4-2), a second base (4-3) and a third base (4-4). The second base (4-3) is arranged horizontally and is fixedly connected to the base. On the purlin (3), the first base (4-2) and the third base (4-4) are vertically and symmetrically arranged on the second base (4-3), and the first base (4-4) 2) and the third base (4-4) are provided with card slots, and the sliding hook piece (4-1) is clamped in the card slot and connected with the first base (4-2) and the third base (4-4). The bases (4-4) are perpendicular to each other. 3. The long-span photovoltaic metal roof system with inner supports for strong wind areas according to claim 2, characterized in that bolt holes are provided on the second base (4-3), and the first self-tapping Screws (10) are fixedly connected to the purlins (3). 4. The long-span photovoltaic metal roof system with internal supports for strong wind areas according to claim 1, characterized in that the shape of the internal supports (6) is adapted to the wave crest (2-2) , the support base includes a front support, a rear support, an upper support part and a lower support part. The front support and the rear support are vertically located on the bottom plate (6-11). The front support and The rear supports are connected by an upper support part and a lower support part, a groove is formed between the upper support part and the lower support part, and a protrusion matching the groove is provided in the middle of the support sheet, The protrusion is slidably disposed in the groove, and the top of the support sheet protrudes from the support seat and is in the shape of a circular roll. 5. The long-span photovoltaic metal roof system with inner supports for strong wind areas according to claim 1, characterized in that bolt holes are provided on the bottom plate (6-11), and the second self-tapping screws ( 9) Fixedly connected to the purlin (3). 6. The long-span photovoltaic metal roof system with inner supports for strong wind areas according to claim 1, characterized in that the wind-resistant clamp (7) includes two symmetrically arranged clamping parts, and the two clamps The holding pieces are fixedly connected with screws to form a cavity. The cavity matches the shape of the top of the wave crest (2-2), and the cavity wraps the top of the wave crest (2-2). 7. The long-span photovoltaic metal roof system with internal supports for strong wind areas according to claim 1, characterized in that the solar photovoltaic panel (1) is fixedly connected to the metal roof through fasteners (5). On the roof panel (2). 8. The long-span photovoltaic metal roof system with inner supports for strong wind areas according to claim 1, characterized in that there are multiple purlins (3), and the purlins (3) are C-shaped. Purlin, the C-shaped purlin includes an integrally formed upright plate, an upper wing plate and a lower wing plate, and the metal roof panel (2) is provided on the upper wing plate of the C-shaped purlin. 9. The long-span photovoltaic metal roof system with inner supports for strong wind areas according to any one of claims 1 to 8, characterized in that the material of the metal roof panel (2) is aluminum-magnesium or aluminum-zinc. , the material of the wind-resistant clip (7) is aluminum alloy. 10. The long-span photovoltaic metal roof system with inner supports for strong wind areas according to any one of claims 1 to 8, characterized in that the metal roof panel (2) is made of multiple profiled metal plates spliced together. The adjacent profiled metal plates are connected through fasteners (5), and the boundaries between adjacent profiled metal plates are connected through angle keys (8); the solar photovoltaic panels (1) are provided with several, Two adjacent solar photovoltaic panels (1) are connected through fasteners (5).