CN215407011U - Mortise and tenon fixed type roof photovoltaic system - Google Patents

Abstract

The utility model belongs to the technical field of solar photovoltaic, and particularly relates to a mortise and tenon fixed roof photovoltaic system which comprises a photovoltaic component, an upright overlock roof panel and an installation component, wherein the photovoltaic component is suitable for various rigid photovoltaic components and converts solar energy into storable electric energy; vertical plates on two sides of the vertical overlock roof panel are respectively provided with a clamping groove and a fixed overlock; the clamping groove is used as an installation foundation of the photovoltaic module, the mortise and tenon combined type fixation of the photovoltaic module is realized by matching with an installation component, and the photovoltaic module is stably and firmly installed between vertical plates on two sides of the vertical overlocking roof panel, so that wind uncovering is effectively prevented; the fixed locking edges are used for connecting two adjacent vertical locking edge roof panels with the purline support, and are effective in water resistance; the embodiment of the application realizes the beneficial effects of simplified structure, attractive design, convenience in installation, short construction period, rapidness in maintenance, lower cost and lower production cost of the roof photovoltaic system.

Description

Mortise and tenon fixed type roof photovoltaic system

Technical Field

The utility model relates to the technical field of solar photovoltaic, in particular to a photovoltaic system of a building roof.

Background

Building Integrated Photovoltaics (BIPV) is a Photovoltaic power generation system integrating photovoltaics with Building structures and materials.

In the prior art, a photovoltaic system installed on a building roof is mainly divided into two types according to installation modes, wherein one type is an overhead system, and is based on a traditional metal roof plate installed on a constructional steel purline, a plurality of clamps are installed on a metal roof firstly, then a support structure is arranged on the clamps, and finally a photovoltaic module is installed and fixed on a support by matching with a pressing block; the other is an embedded system or adopts a sunlight roof installation method, a glass photovoltaic module is fixed by a grid-shaped frame and is sealed by filling structural adhesive, but the other has the following problems:

in the prior art, the construction process in the installation process of the photovoltaic system is complicated, the consumption of manpower and material resources is high, the installation cost is high, and the overall visual effect of the building is messy; the construction wiring is inconvenient and the maintenance cost is high for the waterproof heat preservation effect not good.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a mortise and tenon fixed type roof photovoltaic system, which solves the problems that in the prior art, the construction process is more complicated, the consumption of manpower and material resources is higher, the installation period is long, the cost is higher, and the overall visual effect of a building is more disordered; inconvenient and waterproof insulation effect of construction wiring is not good, tears the problem that trades the maintenance cost height.

(II) technical scheme

The utility model specifically adopts the following technical scheme for realizing the purpose: the utility model provides a fixed roofing photovoltaic system of mortise and tenon, includes photovoltaic module, prefabricated standing-seam crimping roof boarding and installation component, photovoltaic module is suitable for current all kinds of rectangle rigidity photovoltaic module on the market, forms mortise and tenon formula through installation component and prefabricated standing-seam crimping roof boarding and is connected, the top of prefabricated standing-seam crimping roof boarding is provided with the array that is used for photovoltaic power generation's monoblock or polylith photovoltaic module to constitute.

Furthermore, the prefabricated vertical serging roof panel is formed by pressing a metal plate, and the cross section of the prefabricated vertical serging roof panel is W-shaped or U-shaped.

Furthermore, mortise clamping grooves are respectively formed in the middle sections of vertical plates on two sides of the prefabricated vertical serging roof panel, the mortise clamping grooves are formed by bending vertical plate parts on two sides of the prefabricated vertical serging roof panel, and notches of the mortise clamping grooves on two sides are opposite.

Furthermore, the upper ends of the vertical plates on two sides of the prefabricated vertical overlocking roof panels are respectively provided with a fixed overlock, the fixed overlock is used for locking two adjacent prefabricated vertical overlocking roof panels and fixing the two adjacent prefabricated vertical overlocking roof panels with the purline support, and the bottom of the purline support is fixedly installed on the surface of a roof purline through bolts.

Further, the installation component includes auxiliary frame of mortise, tenon and stopper, auxiliary frame of mortise is the both sides at the photovoltaic module back for U-shaped square groove form and auxiliary frame of mortise sets up respectively, photovoltaic module and auxiliary frame of mortise junction are provided with the structural adhesive or adopt the bolt fastening, the tenon adopts right angled triangle end face structure, mortise looks adaptation that tenon and mortise draw-in groove and auxiliary frame of mortise formed.

Furthermore, the photovoltaic module and the auxiliary mortise frame are connected by adopting structural glue, and the auxiliary mortise frame and the photovoltaic module can be prefabricated into a whole.

Furthermore, the limiting block in the installation component comprises an edge positioning block and a middle positioning block, the edge positioning block is arranged at the splicing position of the outer edge of the photovoltaic component array, the middle positioning block is arranged at the splicing position of two adjacent photovoltaic components, the edge positioning block is divided into an edge positioning block upper jaw block and an edge positioning block lower jaw plate, the edge positioning block upper jaw block is in a plate shape with two vertically angled surfaces, a wide groove is formed in the middle section of the plate surface, the edge positioning block upper jaw block can be embedded in a fixed lock edge mode in a mode of crossing two adjacent prefabricated vertical lock edge roof panels during installation, the bottom surface of the edge positioning block upper jaw block falls on mortise clamping grooves opposite to the two adjacent prefabricated vertical lock edge roof panels, the other vertical surface of the edge positioning block upper jaw block is abutted against the end part of the mortise auxiliary frame of the photovoltaic component, and the edge lower jaw plate corresponds to the edge positioning block, the edge positioning block jaw-mounting structure is characterized in that the edge positioning block jaw-mounting structure is respectively arranged in back mortise clamping grooves of vertical plates on two sides of two adjacent prefabricated vertical lockrand roof panels, coaxial screw holes are formed in the parts of the edge positioning block jaw-mounting structure and the edge positioning block jaw-mounting structure, which extend out of the mortise clamping grooves, and the two parts are connected and fastened through edge positioning block bolts.

Furthermore, the middle positioning block is divided into a middle positioning block upper jaw block and a middle positioning block lower jaw plate, the middle positioning block upper jaw block is in a rectangular tube shape, a wide groove is formed in the middle section of the rectangular tube, the middle positioning block upper jaw block can be embedded across the fixed lock edge connected with two adjacent prefabricated vertical lock edge roof panels during installation, the bottom surface of the middle positioning block upper jaw block falls on the mortise clamping groove of the two adjacent prefabricated vertical lock edge roof panels in the opposite direction, and the vertical surface of the middle positioning block upper jaw block is abutted against the end part of the upper edge of the mortise auxiliary frame of the photovoltaic assembly.

Furthermore, the middle positioning block jaw plate corresponds to the middle positioning block jaw plate in position and is respectively arranged in mortise clamping grooves of vertical plates on two sides of the prefabricated vertical lockrand roof panel, and coaxial screw holes are formed in the middle positioning block jaw plate and the middle positioning block jaw plate at the part extending out of the mortise clamping grooves in depth and are connected and fastened through middle positioning block bolts.

Further, the following requirements must be satisfied between the dimensions of the components:

L＝b+s–t

W≥m；W≥n

b–2x+2e+2y≥L–2c–2d≥b–2x+2e+m+y

s–2e≥b–2x+2e+2y–L+2c+2d＝2j

s’–2e＝k

f＝(L–b)/2–c+x–e–m

g＝h–2m–2c

in the formula: a: length of long side of photovoltaic module, b: photovoltaic module short side length, c: thickness of prefabricated metal roof board, d: mortise slot depth of prefabricated metal roof panel, w: width of mortise slot of prefabricated metal roof panel, L: width of prefabricated metal roof board, x: the upper side length of the mortise auxiliary frame, y: the lower side length of the mortise auxiliary frame is h: height of the mortise auxiliary frame, e: the length of the edge of the photovoltaic panel after being combined with the photovoltaic panel is arranged above the mortise auxiliary frame, and h: length of tenon base, g: tenon standing height, j: the lap length after mortise subframe and mortise draw-in groove pass through the tenon is fixed, k: middle positioning block upper jaw block width, n: thickness of mandible plate of middle positioning block, s: lateral clearance after installation of adjacent photovoltaic modules, s': longitudinal clearance after photovoltaic module installation, t: the thickness of the vertical plate of the support.

(III) advantageous effects

Compared with the prior art, the utility model provides a mortise and tenon fixed type roof photovoltaic system, which has the following beneficial effects:

according to the photovoltaic module, solar energy on a roof is converted into storable electric energy, the prefabricated vertical overlock roof boards are arranged to serve as an installation foundation of the photovoltaic module, and the fixed overlock is arranged to connect two adjacent prefabricated vertical overlock roof boards with the purlin support and effectively prevent water; the mortise clamping grooves are used for mounting the photovoltaic module, and the notches of the two mortise clamping grooves are arranged oppositely, so that the long edges at two sides of the photovoltaic module can be mounted; the setting of installation component is used for installing photovoltaic module, install photovoltaic module steadily between prefabricated standing-seam crimping roof boarding both sides riser, make prefabricated standing-seam crimping roof boarding and photovoltaic module combine into an organic whole, a large amount of materials and the process of installing support have been saved, and can change arbitrary single or a plurality of photovoltaic module and not influence wholly when maintaining, it is simple and easy to have realized roofing photovoltaic system's construction process, simple to operate, construction cycle shortens by a wide margin, it is swift to maintain, the beneficial effect of lower cost, photovoltaic module and prefabricated standing-seam crimping roof boarding integration assembly production after, can further practice thrift installation cost and manufacturing cost.

Drawings

FIG. 1 is a cross-sectional view of a unit assembly of a single photovoltaic module, a prefabricated standing-seam roof panel and an installation member after assembly in accordance with the present invention;

FIG. 2 is a longitudinal section structure view of the assembled unit combination of the single photovoltaic module, the prefabricated standing-seam roof panel and the mounting member of the present invention;

FIG. 3 is a schematic view of the junction of the outer edges of a plurality of assembled multi-unit combinations of photovoltaic modules, prefabricated standing seam roof panels and installation members according to the present invention;

FIG. 4 is a schematic view of the joints between adjacent multi-unit assemblies of the utility model after assembly of a plurality of photovoltaic modules, prefabricated standing seam roof panels and installation members;

FIG. 5 is a schematic view of the connection of the prefabricated standing-seam roof panel and the purlin supports of the present invention;

FIG. 6 is a schematic view of a prefabricated standing-seam roof panel of the present invention;

FIG. 7 is a schematic structural view of a photovoltaic module and an auxiliary mortise frame according to the present invention;

FIG. 8 is a schematic view of the tenon structure of the present invention;

FIG. 9 is a schematic view of an edge spacer structure according to the present invention;

FIG. 10 is a schematic view of a positioning block according to the present invention.

In the figure: 1. a photovoltaic module; 11. a photovoltaic panel; 12. structural adhesive; 13. mortise auxiliary frames; 2. prefabricating a vertical overlock roof panel; 21. mortise slot; 22. fixing the lock seaming; 3. a tenon; 4. a limiting block; 5. a support; 6. a roof purline; 41. edge positioning blocks; 411. positioning the upper jaw block at the edge; 412. positioning a mandible plate at the edge; 413. positioning a block bolt at the edge; 42. a middle positioning block; 421. a middle positioning block and a jaw block; 422. a mandible plate of a middle positioning block; 423. and a middle positioning block bolt.

In the figure: the method comprises the following steps of a, the length of a long side of a photovoltaic assembly, b, the length of a short side of the photovoltaic assembly, c, the thickness of a prefabricated metal roof panel plate, d, the depth of a mortise clamping groove of the prefabricated metal roof panel, w, the width of the mortise clamping groove of the prefabricated metal roof panel, L, the width of the prefabricated metal roof panel, x, the upper side length of a mortise subframe, y, the lower side length of the mortise subframe, h, the height of the mortise subframe, e, the length of the edge of the mortise subframe extending out of the photovoltaic panel after being combined with the photovoltaic panel, h, the side length of a bottom of a tenon, g, the height of a vertical edge of the tenon, j, the lap joint length of the mortise subframe and the mortise clamping groove after being fixed through a tenon, k, the width of an upper jaw block of a middle positioning block, n, the thickness of a lower jaw plate of the middle positioning block, s, the transverse gap after the installation of adjacent photovoltaic assemblies, s', the longitudinal gap after the installation of the photovoltaic assemblies, and t, the thickness of a vertical plate of a support.

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.

Examples

As shown in fig. 1 to 10, a mortise and tenon fixed roof photovoltaic system provided in an embodiment of the present invention includes a photovoltaic module 1, a prefabricated standing-seam-lock roof panel 2, and an installation member, where the photovoltaic module 1 is connected to the prefabricated standing-seam-lock roof panel 2 through the installation member, and a single photovoltaic module 1 or a plurality of photovoltaic module 1 arrays for photovoltaic power generation are disposed on the top of the prefabricated standing-seam-lock roof panel 2; photovoltaic module 1 sets up and is used for absorbing the sunlight, convert solar energy into the electric energy, the connecting cable between photovoltaic module 1 who arranges with arranging lays between photovoltaic module 1 shady face and prefabricated standing-seam crimping roof boarding 2, the connecting cable who strides between the row strides across from the fixed serging 22 of two adjacent prefabricated standing-seam crimping roof boarding 2, and pass in the cavity of well locating piece palate block 421 of well locating piece 42, can avoid the cable to expose under the sun and rain on the one hand, slow down cable ageing speed, on the other hand makes the roofing level and smooth pleasing to the eye, guarantee construction and maintenance safety, avoid personnel to drag the stumbling.

As shown in fig. 6, in some embodiments the prefabricated standing-seam roof panels 2 are die-formed from sheet metal, with a W or U-shaped cross-section; mortise clamping grooves 21 are respectively formed in the middle sections of vertical plates on two sides of the prefabricated upright overlocking roof panel 2, the mortise clamping grooves 21 are formed by bending vertical plate parts on two sides of the prefabricated upright overlocking roof panel 2, and notches of the mortise clamping grooves 21 on the two sides are opposite; the upper ends of vertical plates on two sides of the prefabricated vertical serging roof panels 2 are respectively provided with a fixed serging 22, the fixed serging 22 is used for locking two adjacent prefabricated vertical serging roof panels 2 and fixing the two adjacent prefabricated vertical serging roof panels with a support 5, and the bottom of the support 5 is fixedly arranged on the surface of a roof purline 6 through bolts; mounting supports 5 by using the width of the prefabricated vertical serging roof panel 2 as a space, and fixing by using self-tapping screws, clamping structures or other structures; and then the prefabricated vertical overlock roof panels 2 are applied between adjacent supports 5 piece by piece, the fixed overlock 22 is pressed and connected with each other, and the prefabricated vertical overlock roof panels 2 on the whole roof are fixed on the roof purlines 6 through the supports 5, so that the assembly of the prefabricated vertical overlock roof panels 2 on the whole roof is completed, the prefabricated vertical overlock roof panels 2 are metal plates or nonmetal plates with preset strength, the actual material and the thickness c of the prefabricated vertical overlock roof panels 2 are specifically selected according to the actual working condition, the prefabricated vertical overlock roof panels 2 with the optimal specification can be obtained in a limited mechanical test, and the stable supporting strength for installing the prefabricated vertical overlock roof panels 2 is ensured.

As shown in fig. 7 and 8, in some embodiments, the mounting member includes a mortise subframe 13, a tenon 3 and a limiting block 4, the mortise subframe 13 is in a U-shaped square groove shape, the mortise subframe 13 is respectively disposed on two sides of the back of the photovoltaic module 1, a structural adhesive 12 is disposed at a joint of the photovoltaic panel 11 and the mortise subframe 13, the tenon 3 may be a right-angled triangular end surface structure, and the tenon 3 is adapted to a mortise size formed by the mortise slot 21 and the mortise subframe 13; the mortise subframe 13 glued with the photovoltaic panel 11 to form the photovoltaic module 1 is made of metal, the upper edge of the subframe connected with the photovoltaic panel 11 extends outwards to the edge of the photovoltaic panel 11 by a small amount, so that four corners and side edges of the photovoltaic panel 11 can be protected, and the rigidity of the side edge of the photovoltaic panel 11 is improved; meanwhile, the mortise auxiliary frame 13 enables the installation height of the photovoltaic panel 11 to exceed the fixed locking edge 22 of the prefabricated vertical locking edge roof panel 2, and illumination shielding is avoided.

As shown in fig. 9 and 10, in some embodiments, the limiting block 4 in the mounting member includes a side positioning block 41 and a middle positioning block 42, the side positioning block 41 is disposed at the joint of the outer edges of the array of photovoltaic modules 1, the middle positioning block 42 is disposed at the joint of two adjacent photovoltaic modules 1, the side positioning block 41 is divided into two parts, namely a side positioning block upper jaw 411 and a side positioning block lower jaw 412, the side positioning block upper jaw 411 is a plate with two perpendicular angled surfaces, a wide slot is formed in the middle section of the plate surface, and a downward protrusion is disposed at the end of the bottom surface of the side positioning block upper jaw 411 away from the vertical angle, so that a deformation friction force can be increased to make the positioning block unable to slide after being fixed; the side positioning block mandible plates 412 are rectangular, and the two side positioning block mandible plates 412 respectively correspond to the bottom plates on the two sides of the side positioning block maxilla block 411 slot; coaxial screw holes are formed in the parts, extending out of the depth of the mortise clamping groove 21, of the upper jaw block 411 and the lower jaw plate 412 of the side positioning block; the middle positioning block 42 is divided into two parts of a middle positioning block upper jaw 421 and a middle positioning block lower jaw 422, the middle positioning block upper jaw 421 is in a rectangular tube shape, a wide groove is formed in the middle section of the rectangular tube, the middle positioning block lower jaw 422 is in a rectangular shape, the two middle positioning block lower jaw 422 correspond to the bottom plates on two sides of the middle positioning block upper jaw 421 groove respectively, and coaxial screw holes are formed in the parts of the middle positioning block upper jaw 421 and the middle positioning block lower jaw 422 extending out of the mortise clamping groove 21.

As shown in fig. 1 to 5, in some embodiments, during installation of the roofing photovoltaic system, only the installation position of the edge positioning block 41 at the lower edge of the whole array of the photovoltaic module 1 needs to be paid off and positioned at the roofing toe, two edge positioning block mandibles 412 of the edge positioning block 41 are respectively inserted into two opposite mortise slots 21 of two adjacent prefabricated upright lockrand roof panels 2 according to the installation position, and at this position, the edge positioning block maxilla 411 is embedded into the slots across the fixed lockrand 22 connected to the two adjacent prefabricated upright lockrand roof panels 2, so that the bottom surface of the edge positioning block maxilla 411 falls onto the two opposite mortise slots 21, and the coaxial screw holes extending out of the mortise slots 21 on the edge positioning block maxilla 411 and the edge positioning block mandibles 412 are connected and fastened by the edge positioning block bolt 413, so that the edge positioning block 41 is fastened on the prefabricated upright lockrand roof panels 2; furthermore, an assembly of the photovoltaic panel 11 and the mortise auxiliary frame 13 is laid on the prefabricated upright-lockstitching roof panel 2, during installation, the lower edge of the mortise auxiliary frame 13 on any side is pushed into the mortise clamping groove 21 on the same side of the prefabricated upright-lockstitching roof panel 2, then the lower edge of the mortise auxiliary frame 13 on the other side is pushed in the mortise clamping groove 21 on the other side of the prefabricated upright-lockstitching roof panel 2 in a reverse direction, the positions are adjusted to enable the mortise auxiliary frame 13 and the mortise clamping groove 21 on the two sides to form mortises with the same size, and the mortises are filled into the tenon 3; further, the photovoltaic panel 11, the mortise subframe 13 and the tenon 3 combined structure are integrally slid until the photovoltaic panel abuts against the edge positioning block 41; after a row of photovoltaic assemblies 1 are laid, with the side, away from the edge positioning block 41, of each photovoltaic assembly 1 as a position, inserting the two middle positioning block mandrills 422 of the middle positioning block 42 into the two opposite mortise clamping grooves 21 of the two adjacent prefabricated vertical serging roof panels 2 respectively, and abutting the two middle positioning block mandrills against the lower edge of the mortise auxiliary frame 13 of each photovoltaic assembly 1; then, the middle positioning block upper jaw block 421 of the middle positioning block 42 is embedded down according to a groove by spanning the fixed locking edges 22 connected with the two adjacent prefabricated vertical locking edge roof panels 2 and falls on the two mortise clamping grooves 21 which are back to back, and the middle positioning block upper jaw block 421 and the coaxial screw holes on the middle positioning block lower jaw plate 422 extend out of the mortise clamping grooves 21 and are connected and fastened by penetrating through a middle positioning block bolt 423; and repeating the method, namely finishing the positioning and installation of the whole photovoltaic array.

As shown in fig. 4-10, in some embodiments, the following requirements must be satisfied between the dimensions of the components:

L＝b+s–t

W≥m；W≥n

b–2x+2e+2y≥L–2c–2d≥b–2x+2e+m+y

s–2e≥b–2x+2e+2y–L+2c+2d＝2j

s’–2e＝k

f＝(L–b)/2–c+x–e–m

g＝h–2m–2c

in the formula: a: length of long side of photovoltaic module, b: photovoltaic module short side length, c: thickness of prefabricated metal roof board, d: mortise slot depth of prefabricated metal roof panel, w: width of mortise slot of prefabricated metal roof panel, L: width of prefabricated metal roof board, x: the upper side length of the mortise auxiliary frame, y: the lower side length of the mortise auxiliary frame is h: height of the mortise auxiliary frame, e: the length of the edge of the photovoltaic panel after being combined with the photovoltaic panel is arranged above the mortise auxiliary frame, and h: length of tenon base, g: tenon standing height, j: the lap length after mortise subframe and mortise draw-in groove pass through the tenon is fixed, k: middle positioning block upper jaw block width, n: thickness of mandible plate of middle positioning block, s: lateral clearance after installation of adjacent photovoltaic modules, s': longitudinal clearance after photovoltaic module installation, t: support riser thickness (mounting means represent all outer dimensions).

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a fixed roofing photovoltaic system of mortise and tenon, includes photovoltaic module (1), prefabricated standing-seam crimping roof boarding (2) and installation component, its characterized in that: the photovoltaic assembly (1) is suitable for various rectangular rigid photovoltaic assemblies, and is in mortise and tenon type connection with the prefabricated vertical overlock roof panel (2) through mounting components, and an array formed by a single photovoltaic assembly or a plurality of photovoltaic assemblies (1) for photovoltaic power generation is arranged at the top of the prefabricated vertical overlock roof panel (2).

2. The mortise and tenon fixed type roof photovoltaic system according to claim 1, wherein: the prefabricated vertical serging roof panel (2) is formed by pressing a metal plate, and the cross section of the prefabricated vertical serging roof panel is W-shaped or U-shaped.

3. The mortise and tenon fixed type roof photovoltaic system according to claim 1, wherein: the vertical plate middle sections of two sides of the prefabricated vertical serging roof panel (2) are respectively provided with mortise clamping grooves (21), the mortise clamping grooves (21) are formed by bending vertical plate parts of two sides of the prefabricated vertical serging roof panel (2), and notches of the mortise clamping grooves (21) on two sides are opposite.

4. The mortise and tenon fixed type roof photovoltaic system according to claim 1, wherein: the prefabricated vertical overlocking roof panel is characterized in that the upper ends of vertical plates on two sides of the prefabricated vertical overlocking roof panel (2) are respectively provided with a fixed overlocking (22), the fixed overlocking (22) is used for locking two adjacent prefabricated vertical overlocking roof panels (2) and is fixed together with a roof purline support (5), and the bottom of the purline support (5) is fixedly installed on the surface of a roof purline (6) through bolts.

5. The mortise and tenon fixed type roof photovoltaic system according to claim 1, wherein: the installation component includes auxiliary mortise frame (13), tenon (3) and stopper (4), auxiliary mortise frame (13) set up the both sides at photovoltaic module (1) back respectively for U-shaped square groove form and auxiliary mortise frame (13), tenon (3) adopt right angled triangle end surface structure, mortise looks adaptation that tenon (3) and mortise draw-in groove (21) and auxiliary mortise frame (13) formed.

6. The mortise and tenon fixed type roof photovoltaic system according to claim 5, wherein: photovoltaic module (1) and auxiliary mortise frame (13) adopt and are not limited to structural adhesive (12) and connect, auxiliary mortise frame (13) can with photovoltaic module (1) is prefabricated as an organic whole.

7. The mortise and tenon fixed type roof photovoltaic system according to claim 1, wherein: the limiting block (4) in the installation component comprises an edge positioning block (41) and a middle positioning block (42), the edge positioning block (41) is arranged at the splicing position of the outer edge of the array of the photovoltaic assembly (1), the middle positioning block (42) is arranged at the splicing position of two adjacent photovoltaic assemblies (1), the edge positioning block (41) is divided into an edge positioning block upper jaw block (411) and an edge positioning block lower jaw plate (412), the edge positioning block upper jaw block (411) is in a plate shape with two perpendicular angles, a wide groove is formed in the middle section of the plate surface, the edge positioning block upper jaw block (411) can be embedded under a fixed lock edge connected with two adjacent prefabricated vertical lock edge locking side panels (2) in an installation process, the bottom surface of the edge positioning block upper jaw block (411) falls on mortise clamping grooves (21) opposite to the two adjacent prefabricated vertical lock edge roof panels (2), and the other perpendicular surface of the edge positioning block upper jaw block (411) is abutted against the end part of the upper edge of an auxiliary frame (13) of the photovoltaic assembly (1), the side positioning block mandible plates (412) correspond to the side positioning block maxilla plates (411) in position and are respectively arranged in back mortise clamping grooves (21) of vertical plates on two sides of two adjacent prefabricated vertical lockrand roof panels (2); the jaw block (411) and the jaw plate (412) of the side positioning block are provided with coaxial screw holes at the part extending out of the mortise clamping groove (21), and the two parts are connected and fastened through bolts (413) of the side positioning block.

8. The mortise and tenon fixed roof photovoltaic system according to claim 7, wherein: the middle positioning block (42) is divided into a middle positioning block upper jaw block (421) and a middle positioning block lower jaw plate (422), the middle positioning block upper jaw block (421) is in a rectangular tube shape, a wide groove is formed in the middle section of the rectangular tube, the middle positioning block upper jaw block (421) can be embedded across the fixed locking edge connected with two adjacent prefabricated vertical locking edge roof panels (2) during installation, the bottom surface of the middle positioning block upper jaw block (421) falls on mortise clamping grooves (21) on the opposite sides of the two adjacent prefabricated vertical locking edge roof panels (2), and the vertical surface of the middle positioning block upper jaw block (421) is abutted against the end part of the upper edge of the mortise auxiliary frame (13) of the photovoltaic component (1).

9. The mortise and tenon fixed roof photovoltaic system according to claim 8, wherein: the middle positioning block mandible plate (422) corresponds to the middle positioning block mandible plate (421) in position and is respectively arranged in mortise clamping grooves (21) of vertical plates on two sides of the prefabricated vertical serging roof panel (2), coaxial screw holes are formed in the parts, extending out of the depths of the mortise clamping grooves (21), of the middle positioning block mandible plate (421) and the middle positioning block mandible plate (422), and the two parts are connected and fastened through middle positioning block bolts (423).

10. The mortise and tenon fixed roof photovoltaic system according to claim 1, wherein the following requirements are satisfied between the sizes of the components:

L＝b+s–t

W≥m；W≥n

b–2x+2e+2y≥L–2c–2d≥b–2x+2e+m+y

s–2e≥b–2x+2e+2y–L+2c+2d＝2j

s’–2e＝k

f＝(L–b)/2–c+x–e–m

g＝h–2m–2c

in the formula: a: length of long side of photovoltaic module, b: photovoltaic module short side length, c: thickness of prefabricated metal roof board, d: mortise slot depth of prefabricated metal roof panel, w: width of mortise slot of prefabricated metal roof panel, L: width of prefabricated metal roof board, x: the upper side length of the mortise auxiliary frame, y: the lower side length of the mortise auxiliary frame is h: height of the mortise auxiliary frame, e: the length of the edge of the photovoltaic panel after being combined with the photovoltaic panel is arranged above the mortise auxiliary frame, and h: length of tenon base, g: tenon standing height, j: the lap length after mortise subframe and mortise draw-in groove pass through the tenon is fixed, k: middle positioning block upper jaw block width, n: thickness of mandible plate of middle positioning block, s: lateral clearance after installation of adjacent photovoltaic modules, s': longitudinal clearance after photovoltaic module installation, t: the thickness of the vertical plate of the support.

Images