CN213418261U - Photovoltaic roof - Google Patents

Abstract

The utility model provides a photovoltaic roof relates to photovoltaic technology field. Photovoltaic roof includes: photovoltaic tiles which are overlapped up and down; the lower lap joint plate of the upper photovoltaic tile is lapped on the upper lap joint plate of the lower photovoltaic tile; a sealing element is arranged between the upper lapping plate and the lower lapping plate which are lapped up and down; the sealing member is including being located the lower extreme and to the crooked gasket of lower extreme direction and being located the sealing strip of upper end, has the space between gasket and the sealing strip to make and go up lapping plate and lower lapping plate upper and lower overlap joint back space formation pressurize chamber. The sealing sheet bent forward serves as a first waterproof to prevent water from moving upward due to capillary action. The pressure maintaining cavity is used as a second waterproof channel, which is not beneficial to the upward movement of water due to the capillary action. The sealing strip is waterproof as the third, and the area of contact with upper lap joint board and lower lap joint board of overlap joint is big from top to bottom, plays waterproof and prevents the effect that gaseous entering.

Description

Photovoltaic roof

Technical Field

The utility model relates to a photovoltaic technology field especially relates to a photovoltaic roof.

Background

The building roof is made of the photovoltaic tiles, so that the photovoltaic roof is formed, the floor space is not additionally occupied, and the building roof has a wide application prospect.

Photovoltaic roofs need to have waterproofing and sealing properties that meet building requirements. However, the photovoltaic roof in the prior art has poor sealing performance and waterproof performance, and cannot meet the building requirements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a photovoltaic roof aims at solving photovoltaic roof sealing performance, waterproof performance all relatively poor, can't reach the problem of building demand.

According to the utility model discloses a first aspect provides a photovoltaic roof, include: photovoltaic tiles which are overlapped up and down;

the photovoltaic tile comprises a photovoltaic laminating part, an upper frame and a lower frame, wherein the upper frame and the lower frame are respectively positioned at the upper end and the lower end of the photovoltaic laminating part; the side wall of the upper frame is provided with an upper lapping plate, and the side wall of the lower frame is provided with a lower lapping plate;

the lower lapping plate of the upper photovoltaic tile is lapped on the upper lapping plate of the lower photovoltaic tile so as to lap the upper and lower adjacent photovoltaic tiles;

a sealing element is arranged between the upper lapping plate and the lower lapping plate which are lapped up and down; the sealing member is including being located the lower extreme and to the crooked gasket of lower extreme direction and being located the sealing strip of upper end, the gasket with have the space between the sealing strip, so that go up the lapping plate and lap back from top to bottom down the space forms the pressurize chamber.

In this application, the lower overlap plate overlap joint of top photovoltaic tile is on the last overlap plate of below photovoltaic tile, and water is because gravity, flows to the photovoltaic tile of below from top photovoltaic tile fast, is difficult for stopping on top photovoltaic tile. Be provided with the sealing member between lapping plate and the lower lapping plate on the upper and lower overlap joint, the sealing member is including being located lower extreme and downwarping sealing strip and being located the sealing strip of upper end, the space has between this sealing strip and this sealing strip, so that lapping plate and lower lapping plate overlap joint back from top to bottom, the space forms the pressurize chamber, upper and lower photovoltaic tile overlap joint back, the sealing strip is towards the photovoltaic module bending of photovoltaic tile down, downwarping sealing strip is waterproof as first, can prevent water because capillary action upward movement. Go up lap joint board and lap joint back from top to bottom down with lap joint board, the space between gasket and the sealing strip forms the pressurize chamber, and the pressurize chamber is waterproof as the second, and in the use, the pressurize chamber has certain atmospheric pressure, is unfavorable for water because capillary action upward movement, and then can play good waterproof effect. Simultaneously, the sealing strip that is located the upper end is waterproof as the third, and all great with the area of contact of upper lapping plate and lower lapping plate of upper and lower overlap joint, has better sealing performance, even under great exogenic action, water can see through following twice waterproof, but semicircular seal segment because have good gas tightness, plays waterproof and prevents the effect that gaseous entering. This application is waterproof through above-mentioned three, can follow leakproofness and the waterproof nature that to a great extent promoted the photovoltaic roof. The lower lap joint plate of top photovoltaic tile overlap joint is on the last lap joint plate of below photovoltaic tile to make the upper and lower adjacent photovoltaic tile overlap joint. And then the length of the upper photovoltaic tile and the lower photovoltaic tile in the overlapping area is lengthened, under the condition that the overlapping height is not changed, the inclination angle is reduced, the shadow formed by overlapping is reduced, the shading caused by the upper and lower overlapping is reduced, and the power generation efficiency of the photovoltaic roof is improved.

Optionally, in the photovoltaic tile, at least one flashing-preventing protrusion is arranged on the upper lapping plate; after the upper lapping plate and the lower lapping plate are lapped up and down, the flashing-proof protrusion is positioned at the lower end of the sealing sheet.

Optionally, in the photovoltaic tile, the lower end of the lower lapping plate is provided with at least one drip edge; after the upper lap joint plate and the lower lap joint plate are in lap joint from top to bottom, the dripping eave is located at the lower end of the sealing sheet.

Optionally, the cross section of the lower lapping plate in the direction parallel to the first direction is triangular; the first direction is the direction of arrangement of the photovoltaic tiles which are lapped up and down.

Optionally, the upper surface of the lower lapping plate is provided with a water guide inclined surface.

Optionally, a cross section of the upper lapping plate in a direction parallel to the first direction is triangular; the first direction is the direction of arrangement of the photovoltaic tiles which are lapped up and down.

Optionally, the overlapping height of the upper overlapping plate and the lower overlapping plate which are overlapped up and down is less than or equal to 25 mm.

Optionally, the upper lapping plate further comprises a limiting part for limiting the displacement of the sealing strip towards the upper end; after the upper lapping plate and the lower lapping plate are lapped up and down, the limiting part is positioned at the upper end of the sealing strip; the sealing strip is a semicircular sealing ring.

Optionally, a clamping groove for clamping the sealing element is formed in the upper lapping plate; the joint groove with behind the sealing member joint, the joint groove is located the lower extreme of gasket.

Optionally, the photovoltaic tile further comprises a left frame and a right frame respectively located at the left end and the right end of the photovoltaic lamination piece; the side wall of the left frame and the side wall of the right frame are both provided with sinking type water chutes; the sunken water chute is positioned below the plane of the upper surface of the photovoltaic laminating part;

the clamping groove is provided with a water outlet, and the water outlet is lapped on the sinking type water guiding groove.

Optionally, the length of the sunken type water chute is greater than that of the left frame or the right frame, and extends out of the upper end of the upper frame and the lower end of the lower frame.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 shows a schematic structural view of a photovoltaic roof according to an embodiment of the present invention;

fig. 2 shows a schematic enlarged view of a portion of a photovoltaic roof according to an embodiment of the present invention;

fig. 3 shows a schematic structural view of a sealing element in an embodiment of the invention;

FIG. 4 illustrates a schematic diagram of the operation of a seal in an embodiment of the present invention;

fig. 5 shows a schematic structural diagram of a photovoltaic tile according to an embodiment of the present invention;

fig. 6 shows a schematic structural view of another photovoltaic roof according to an embodiment of the present invention.

Description of the figure numbering:

11-photovoltaic laminated part, 12-upper frame, 13-lower frame, 14-upper lapping plate, 15-lower lapping plate, 151-drip eave, 16-sealing element, 161-sealing sheet, 162-sealing strip, 141-flashing-preventing projection, 142-limiting part, 143-clamping groove, 1431-water outlet and 18-sinking type water guide groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, fig. 1 shows a schematic structural diagram of a photovoltaic roof according to an embodiment of the present invention. This photovoltaic roof includes the photovoltaic tile of overlap joint from top to bottom. The number of photovoltaic tiles included in the photovoltaic roof is not particularly limited. As shown in fig. 1, the direction indicated by the dotted line L1 is an up-down direction, and the up-down direction may be a direction from the ridge to the eave. In a photovoltaic roof, the up-down direction refers to the direction from a ridge to an eave, the ridge is up, and the eave is down. The up-down direction is also the flow direction of the rainwater. Among a plurality of photovoltaic tile, the photovoltaic tile overlap joint setting of adjacent on the upper and lower direction.

The photovoltaic tile comprises a photovoltaic lamination piece 11, and an upper frame 12 and a lower frame 13 which are respectively positioned at the upper end and the lower end of the photovoltaic lamination piece 11. For a photovoltaic tile, the upper frame 12 is close to the ridge, and the lower frame 13 is close to the eave. The side wall of the upper frame 12 is provided with an upper lapping plate 14, and the side wall of the lower frame 13 is provided with a lower lapping plate 15. The lower lapping plate 15 overlap joint of top photovoltaic tile is on the last lapping plate 14 of below photovoltaic tile to make the adjacent photovoltaic tile overlap joint from top to bottom, and then the photovoltaic tile is at the regional length extension of overlap joint from top to bottom, and under the unchangeable condition of overlap joint height, inclination diminishes, has reduced the shade that the overlap joint formed, has reduced because the shading that the overlap joint leads to from top to bottom, has promoted the generating efficiency on photovoltaic roof. Meanwhile, the lower lapping plate 15 of the upper photovoltaic tile is lapped on the upper lapping plate 14 of the lower photovoltaic tile, water rapidly flows to the lower photovoltaic tile from the upper photovoltaic tile due to gravity, and the water is not easy to stay on the upper photovoltaic tile.

A sealing member 16 is provided between the upper and lower overlapping plates 14 and 15 which overlap each other. Fig. 2 shows a schematic view of a photovoltaic roof according to an embodiment of the present invention. Fig. 3 shows a schematic structural diagram of a sealing member according to an embodiment of the present invention. Referring to fig. 1, 2 and 3, the sealing member 16 includes a sealing sheet 161 at a lower end, which is an end of the photovoltaic laminate adjacent to the lower photovoltaic tile, and bent downward, and a sealing strip 162 at an upper end, which is an end opposite to the lower end. A gap is formed between the sealing sheet 161 and the sealing strip 162, so that after the upper overlapping plate 14 and the lower overlapping plate 15 are overlapped up and down, the gap forms a pressure maintaining cavity. After the upper and lower photovoltaic tiles are lapped, the sealing sheet 161 is bent toward the photovoltaic module of the lower photovoltaic tile. The shape of the seal bar 162 is not particularly limited.

Fig. 4 shows an operation diagram of a sealing member according to an embodiment of the present invention. Referring to fig. 1, 2, 3 and 4, a dotted arrow may indicate that water moves upward due to capillary action, after the upper photovoltaic tile and the lower photovoltaic tile are lapped, the sealing sheet 161 is bent toward the photovoltaic module of the lower photovoltaic tile, the sealing sheet 161 bent downward serves as a first waterproof sheet, and water can be prevented from moving upward due to capillary action in the process that water moves to the area a. Go up lap joint back about lap joint board and the lower lap joint board, the space between sealing strip 161 and the sealing strip 162 forms and keeps pressure chamber B, keeps pressure chamber B waterproof as the second, and in the use, this cavity B has certain atmospheric pressure, is unfavorable for water because capillary upward movement, and then can play good waterproof effect. Meanwhile, the sealing strip 162 at the upper end is waterproof as the third step, and is larger in contact area with the upper lapping plate and the lower lapping plate which are lapped up and down, so that the sealing performance is better, even under the action of larger external force, water can possibly penetrate through the two waterproof steps, but the semicircular sealing section has good air tightness, so that the waterproof and gas-entering-preventing effects are achieved, water and gas basically do not reach the C area, and the sealing performance and the waterproof performance of the photovoltaic roof can be improved to a great extent through the three waterproof steps.

The main reason for the flooding is that under the condition of more water, the water may be surged or poured upwards under the driving of the waves. Referring to fig. 2, in the photovoltaic tile, be provided with at least one on the upper lapping plate 14 and prevent that flashing is protruding 141, the protruding height of preventing flashing is set for according to actual need, the utility model discloses do not do specifically to this and restrict, prevent flashing protruding 141 can play the effect of preventing flashing, and then promote the waterproof nature and the leakproofness of photovoltaic roof. After the upper and lower overlapping plates 14 and 15 are overlapped, the flashing prevention protrusion 141 is located below the sealing sheet 161, that is, the flashing prevention protrusion 141 intercepts the upward movement of water, and the water moving upward is intercepted by the three waterproof functions of the sealing member 16 even if the amount of water is small. Meanwhile, due to the existence of the flashing-preventing protrusions 141, in the process of discharging water downwards, dust on the light-facing surface of the photovoltaic laminate can be taken away, so that the shielding of dust is reduced, the power generation efficiency is improved, the power generation capacity is improved, and the flashing-preventing protrusions have good waterproofness and sealing performance.

Optionally, referring to fig. 2, the lower end of the lower overlapping plate 15 has at least one dripping eave 151, the dripping eave 151 facilitates conducting water downward to prevent water from hooking into the overlapping area, after the upper overlapping plate 14 and the lower overlapping plate 15 are overlapped up and down, the dripping eave 151 is located below the sealing plate 161, that is, the dripping eave 151 conducts water downward, and then the water moving upward is intercepted by the three waterproof functions of the sealing member 16 even if the existing amount of water is small.

Optionally, the first direction is an arrangement direction of the photovoltaic tiles overlapping up and down, and is the first direction as shown by a dashed line L1 in fig. 1 or fig. 2. The cross-section of lower faying plate 15 on being on a parallel with the first direction is triangle-shaped, can be approximate right triangle-shaped, and right triangle-shaped's hypotenuse is located the upper surface of faying plate 15 down, on the basis that does benefit to the drainage, can resist the error that construction error and temperature deformation arouse, and can reduce the optics that shelters from to below photovoltaic lamination spare and shelter from.

Optionally, the upper surface of the lower lapping plate 15 has a water guiding slope, and then in the drainage process, water can rapidly flow downwards due to the action of gravity.

Optionally, the cross-section of the upper lapping plate 14 in the direction parallel to the first direction is triangular, and can be an approximate right triangle, and the right-angle side of the right triangle is located on the lapped surface of the upper and lower lapping plates, and on the basis of being beneficial to drainage, the errors caused by construction errors and temperature deformation can be resisted, and the optical shielding of the photovoltaic lamination piece below can be reduced.

Optionally, as shown in fig. 2, the upper overlapping plate 14 further includes a limiting portion 142 for limiting the upward displacement of the sealing strip 162, after the upper overlapping plate 14 and the lower overlapping plate 15 are overlapped up and down, the limiting portion 142 is located above the sealing strip 162, that is, the limiting portion 142 is located above the sealing strip 162, on one hand, the limiting portion 142 can limit the upward displacement of the sealing strip 162, on the other hand, even if a small amount of water breaks through multiple waterproof settings, the limiting portion 142 can also be blocked by the limiting portion 142 from further downward movement, so as to provide a further waterproof function.

Optionally, the sealing strip 162 is a semicircular sealing ring, and the sealing strip 162 with the shape is convenient to process and good in waterproof effect.

Optionally, the upper overlapping plate 14 is provided with a clamping groove 143 for clamping the sealing element 16, after the clamping groove 143 is clamped with the sealing element 16, the clamping groove 143 is located below the sealing sheet 161, and alignment is facilitated in the process of clamping the upper overlapping plate 14 and the sealing element 16.

Fig. 5 shows a schematic structural diagram of a photovoltaic tile in an embodiment of the present invention. Referring to fig. 5, the photovoltaic tile includes a photovoltaic laminate 11, an upper frame 12 and a lower frame 13 respectively located at the upper and lower ends of the photovoltaic laminate 11, and further includes a left frame and a right frame respectively located at the left and right ends of the photovoltaic laminate 11, and both the side wall of the left frame and the side wall of the right frame are provided with a sunken type water chute 18 located below the upper surface of the photovoltaic laminate 11. Fig. 6 shows a schematic structural view of another photovoltaic roof according to an embodiment of the present invention. Referring to fig. 2 and 6, the clamping groove 143 has a water outlet 1431, and the water outlet 1431 overlaps the sunken type water chutes (not shown in fig. 6) of the left and right frames of the photovoltaic tile located in the left and right direction as indicated by the dotted line L2, so that even if a small amount of water is in the clamping groove 143, the water flows away through the sunken type water chutes, and water leakage is avoided.

Optionally, the length of the sinking type water chute is greater than the length of the left frame or the right frame, and extends from the upper end of the upper frame 12 and the lower end of the lower frame 13. That is, in the up-down direction, the size of the sink type water guiding groove located on the left side frame side wall is larger than the size of the left side frame, the size of the upper side frame 12, and the size of the lower side frame 13, and then the sink type water guiding groove in the up-down direction can prevent not only the water infiltration on the left side frame, but also the water infiltration above the upper side frame 12, and the water infiltration above the lower side frame 13. Similarly, in the up-down direction, the size of the sink type water guiding groove located on the side wall of the right frame is larger than the size of the right frame, the size of the upper frame 12 and the size of the lower frame 13, so that the sink type water guiding groove can prevent not only the water infiltration on the right frame, but also the water infiltration above the upper frame 12 and the water infiltration above the lower frame 13 in the up-down direction.

Optionally, as shown in fig. 6, the overlapping height h of the upper overlapping plate 14 and the lower overlapping plate 15 which are overlapped up and down is less than or equal to 25mm, the length of the upper overlapping plate and the lower overlapping plate with the above sizes is lengthened in the overlapping area, the inclination angle is reduced, the shadow formed by overlapping is reduced, the shading caused by the upper overlapping plate and the lower overlapping plate is reduced, and the power generation efficiency of the photovoltaic roof is improved. More preferably, the overlapping height h of the upper overlapping plate 14 and the lower overlapping plate 15 which are overlapped up and down is less than or equal to 18mm, or, more preferably, the overlapping height h of the upper overlapping plate 14 and the lower overlapping plate 15 which are overlapped up and down is less than or equal to 15 mm.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or terminal that comprises the element.

The embodiments of the present invention have been described with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and scope of the present invention, and all of them fall within the protection scope of the present invention.

Claims (10)

1. A photovoltaic roof, comprising: photovoltaic tiles which are overlapped up and down;

the photovoltaic tile comprises a photovoltaic laminating part, an upper frame and a lower frame, wherein the upper frame and the lower frame are respectively positioned at the upper end and the lower end of the photovoltaic laminating part; the side wall of the upper frame is provided with an upper lapping plate, and the side wall of the lower frame is provided with a lower lapping plate;

the lower lapping plate of the upper photovoltaic tile is lapped on the upper lapping plate of the lower photovoltaic tile so as to lap the upper and lower adjacent photovoltaic tiles;

a sealing element is arranged between the upper lapping plate and the lower lapping plate which are lapped up and down;

the sealing member is including being located the lower extreme and to the crooked gasket of lower extreme direction and being located the sealing strip of upper end, the gasket with have the space between the sealing strip, so that go up the lapping plate and lap back from top to bottom down the space forms the pressurize chamber.

2. The photovoltaic roof according to claim 1, characterized in that in the photovoltaic tile, the upper shingle is provided with at least one flashing-proof protrusion; after the upper lapping plate and the lower lapping plate are lapped up and down, the flashing-proof protrusion is positioned at the lower end of the sealing sheet.

3. The photovoltaic roof according to claim 1, characterized in that in a photovoltaic tile, the lower end of the lower lap plate has at least one drip edge; after the upper lap joint plate and the lower lap joint plate are in lap joint from top to bottom, the dripping eave is located at the lower end of the sealing sheet.

4. The photovoltaic roof according to claim 1, wherein a cross-section of the lower shingle in a direction parallel to the first direction is triangular; the first direction is the direction of arrangement of the photovoltaic tiles which are lapped up and down.

5. The photovoltaic roof according to any one of claims 1 to 4, wherein the upper surface of the lower sheathing panel has a water guiding slope.

6. The photovoltaic roof according to any one of claims 1 to 4, wherein a cross section of the upper shingle in a direction parallel to the first direction is triangular; the first direction is the direction of arrangement of the photovoltaic tiles which are lapped up and down.

7. The photovoltaic roof according to any one of claims 1 to 4, wherein the upper splice plate further comprises a stopper portion for restricting displacement of the sealing tape in an upper end direction; after the upper lapping plate and the lower lapping plate are lapped up and down, the limiting part is positioned at the upper end of the sealing strip; the sealing strip is a semicircular sealing ring.

8. The photovoltaic roof as claimed in any one of claims 1 to 4, wherein the upper bridging plate is provided with a clamping groove for clamping the sealing member; the joint groove with behind the sealing member joint, the joint groove is located the lower extreme of gasket.

9. The photovoltaic roof of claim 8, wherein the photovoltaic tile further comprises a left frame and a right frame at the left and right ends of the photovoltaic laminate, respectively; the side wall of the left frame and the side wall of the right frame are both provided with sinking type water chutes; the sunken water chute is positioned below the plane of the upper surface of the photovoltaic laminating part;

the clamping groove is provided with a water outlet, and the water outlet is lapped on the sinking type water guiding groove.

10. The photovoltaic roof according to claim 9, wherein the length of the sunken flume is greater than the length of the left or right jamb and extends from the upper end of the upper jamb and the lower end of the lower jamb.

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