Inspection access structure for photovoltaic roof

Abstract

The utility model discloses a kind of photovoltaic roof's maintenance access structure, guide rail is fixed on photovoltaic roof, maintenance access structure includes walkway board, fastener and gasket, fastener is sequentially worn gasket, walkway board and fixed to guide rail, gasket includes first abutment, second abutment and protruding portion, protruding portion is between first abutment and second abutment, first abutment is provided with through hole for fastener to pass through, first abutment and second abutment abut the upper surface of walkway board, gap exists between protruding portion and walkway board.The maintenance access structure of the photovoltaic roof guarantees stability while simplifying structure, less mounting parts, to reduce cost, improve installation efficiency.

Description

Technical Field

[0001] This utility model relates to the field of photovoltaic technology, and in particular to a maintenance access structure for a photovoltaic roof. Background Technology

[0002] In the existing technology, in order to ensure the stability and safety of the maintenance access on the photovoltaic roof, the maintenance access usually adopts a relatively complex design and installation method, which has problems such as many fixed parts, low installation efficiency and high cost.

[0003] Therefore, it is necessary to provide a new maintenance access structure for photovoltaic roofs to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a maintenance access structure for photovoltaic roofs, which simplifies the structure of the maintenance access and reduces costs.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A maintenance access structure for a photovoltaic roof includes a guide rail fixed on the roof. The maintenance access structure comprises a walkway panel, fasteners, and gaskets. The fasteners are sequentially inserted through the gaskets and the walkway panel and fixed to the guide rail. Each gasket includes a first abutting portion, a second abutting portion, and a protruding portion. The protruding portion is located between the first abutting portion and the second abutting portion. The first abutting portion has a through hole for the fastener to pass through. The first abutting portion and the second abutting portion abut against the upper surface of the walkway panel, and there is a gap between the protruding portion and the walkway panel.

[0007] As a further improvement of this utility model, the contact area between the first abutting part and the walkway plate is greater than the contact area between the second abutting part and the walkway plate.

[0008] As a further improvement of this utility model, the gasket is arranged in a ring shape, and the inner diameter of the protrusion is equal to the diameter of the head of the fastener.

[0009] As a further improvement of this utility model, the gasket is formed by integral bending.

[0010] As a further improvement of the present invention, the maintenance passage structure also includes positioning components, two of which are disposed opposite to each other on both sides of the walkway plate and fixed to the guide rail.

[0011] As a further improvement of this utility model, the guide rail is arranged in a horizontal direction, the walkway plate and the positioning member are arranged in a longitudinal direction, and the two positioning members are arranged on both sides of the walkway plate in a horizontal direction.

[0012] As a further improvement of the present invention, the positioning member includes a first plate wall and a second plate wall that are vertically connected. The first plate wall is sandwiched between the guide rail and the walkway plate, and the second plate walls of the two positioning members respectively abut against the two opposite sides of the walkway plate.

[0013] As a further improvement of this utility model, the upper end of the second plate wall is located at a height lower than the upper surface of the walkway plate.

[0014] As a further improvement of this utility model, the walkway plate, the first plate wall, and the guide rail are fixedly connected.

[0015] As a further improvement to this utility model, the walkway panel is a zinc-aluminum-magnesium plate or a light-transmitting plate.

[0016] Compared to existing technologies, the advantages of this utility model's photovoltaic roof maintenance access structure are as follows: the walkway panel is fixed to the photovoltaic roof's guide rails with fasteners, and installation stability is improved through gaskets; the inner and outer sides of the gaskets abut against the walkway panel, and a gap exists between the protrusions located between the inner and outer sides of the gaskets and the walkway panel to enhance connection strength and improve the stability of the maintenance access structure. This photovoltaic roof maintenance access structure simplifies the structure and reduces the number of installation parts while ensuring stability, thereby lowering costs and improving installation efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the maintenance access structure of a photovoltaic roof according to a specific embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the maintenance access structure of a photovoltaic roof according to a specific embodiment of the present invention;

[0019] Figure 3 This is a top view schematic diagram of the maintenance access structure of a photovoltaic roof according to a specific embodiment of the present utility model;

[0020] Figure 4 This is a partially enlarged structural diagram of the maintenance passage structure according to a specific embodiment of the present utility model;

[0021] Figure 5 This is a schematic diagram of the structure of a gasket according to a specific embodiment of the present invention. Detailed Implementation

[0022] The exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. If several embodiments exist, features in these embodiments may be combined with each other without conflict. When the description refers to the drawings, unless otherwise stated, the same numbers in different drawings represent the same or similar elements. The descriptions in the following exemplary embodiments do not represent all embodiments consistent with the present invention; rather, they are merely examples of apparatuses, products, and / or methods consistent with some aspects of the present invention as set forth in the claims.

[0023] The terminology used in this invention is for the purpose of describing particular embodiments only and is not intended to limit the scope of protection of this invention. The singular forms “a,” “the,” or “the” used in the specification and claims of this invention are also intended to include the plural forms, unless the context clearly indicates otherwise.

[0024] It should be understood that the terms "first," "second," and similar words used in the specification and claims of this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish the features. Similarly, the terms "an" or "a" do not indicate a quantity limitation, but rather indicate the presence of at least one. Unless otherwise stated, the terms "front," "back," "left," "right," "upper," "lower," and similar words appearing in this utility model are for ease of explanation only and are not limited to a specific location or spatial orientation. The terms "comprising" or "including" are an open-ended expression, meaning that the element preceding "comprising" or "including" covers the element following "comprising" or "including" and its equivalents, which does not exclude that the element preceding "comprising" or "including" may also include other elements. If "several" appears in this utility model, it means two or more.

[0025] Please see Figures 1 to 5 As shown, this embodiment discloses a maintenance access structure for a photovoltaic roof, which can achieve high stability with a simple structure.

[0026] A guide rail 1 is fixed on the photovoltaic roof. The maintenance passage structure includes a walkway 2, fasteners 3, and gaskets 4. The fasteners 3 pass through the gaskets 4 and the walkway 2 from top to bottom and are fixed to the guide rail 1 to fix the walkway 2 to the photovoltaic roof. In this embodiment, the guide rail 1 is arranged horizontally and the walkway 2 is arranged vertically.

[0027] The gasket 4 is arranged in a ring shape and includes a first abutment portion 41, a second abutment portion 42, and a protrusion 43. The first abutment portion 41 is located on the inner side of the gasket 4, the second abutment portion 42 is located on the outer side of the gasket 4, and the protrusion 43 is located between the first abutment portion 41 and the second abutment portion 42. The first abutment portion 41 has a through hole (not shown in the figure) for the fastener 3 to pass through. The first abutment portion 41 and the second abutment portion 42 abut against the upper surface of the walkway plate 2, and there is a gap between the protrusion 43 and the walkway plate 2. With this arrangement, the inner and outer sides of the gasket 4 abut downward against the walkway plate 2, and the protrusion 43 is spaced apart from the walkway plate 2 in the middle, which can strengthen the connection strength between the gasket 4, the fastener 3, the walkway plate 2, and the guide rail 1, thereby improving the stability of the maintenance passage.

[0028] In some embodiments, the contact area between the first abutment portion 41 and the walkway plate 2 is larger than the contact area between the second abutment portion 42 and the walkway plate 2, so that the portion near the connection point, i.e. near the fastener 3, has relatively higher strength and can effectively reduce concentrated stress and prevent the fastener 3 from damaging the walkway plate 2.

[0029] In some embodiments, the inner diameter of the protrusion 43 is equal to the diameter of the head 31 of the fastener 3. With this configuration, when the fastener 3 is screwed downwards onto the guide rail 1, the outer periphery of its head 31 abuts against the protrusion 43, which increases the frictional force to prevent the fastener 3 from loosening, thereby improving the connection strength and structural stability.

[0030] In this embodiment, the gasket 4 is made of stainless steel and is formed by integral bending. The gasket 4 itself has high strength, so its application in the maintenance passage structure can effectively improve the overall structural strength.

[0031] Furthermore, the maintenance passage structure in this embodiment also includes positioning components 5. Two positioning components 5 are disposed opposite to each other on both sides of the walkway plate 2 and fixed to the guide rail 1. Specifically, the positioning components 5 are arranged longitudinally, and the two positioning components 5 are disposed on both sides of the walkway plate 2 laterally. With this arrangement, based on the above structure, the addition of positioning components 5 to limit and fix the walkway plate 2 further improves the structural stability.

[0032] The positioning component 5 includes a first plate wall 51 and a second plate wall 52 connected vertically. The first plate wall 51 is sandwiched between the guide rail 1 and the walkway plate 2, and the second plate walls 52 of the two positioning components 5 respectively abut against the two lateral sides of the walkway plate 2. This arrangement creates a gap between the walkway plate 2 and the guide rail 1, allowing the fasteners 3 to be tightened more firmly when connecting the two, thus improving the connection strength between the walkway plate 2 and the guide rail 1; and further limiting the walkway plate 2 in the lateral direction, improving stability.

[0033] In practical applications, photovoltaic roofs can be flat or pitched. When it is a pitched roof, the guide rail 1 is set along the slope, and the two positioning parts 5 are located at different heights on the pitched roof. This can strengthen the restriction of the walkway 2 in the tilt direction of the pitched roof, effectively improving the structural stability and safety.

[0034] In some embodiments, the upper end of the second wall panel 52 is located at a height lower than the upper surface of the walkway panel 2. This arrangement effectively limits the lateral movement of the walkway panel 2 while reducing costs to some extent.

[0035] In some implementations, the walkway 2, the first wall 51, and the guide rail 1 are fixedly connected to enhance structural stability.

[0036] The walkway panel 2 is made of zinc-aluminum-magnesium oxide board or a light-transmitting panel. The light-transmitting panel is made of transparent material and will not affect the light transmission of the photovoltaic roof. To ensure its stability, a transparent solid PC board is usually used. In this embodiment, the walkway panel 2 is made of zinc-aluminum-magnesium oxide board, which has high strength and is relatively cheaper than a light-transmitting panel.

[0037] The maintenance access structure in this embodiment achieves high stability with a relatively simple structure, effectively reducing costs. This maintenance access structure can be applied to various photovoltaic rooftop scenarios, such as common reinforced concrete roofs or corrugated steel roofs, etc. (Refer to...) Figure 1 and Figure 2 As shown.

[0038] In summary, compared with existing technologies, the maintenance access structure for photovoltaic roofs of this invention has the following advantages: the walkway panel 2 is fixed to the guide rail 1 of the photovoltaic roof by fasteners 3, and the installation stability is improved by the gasket 4; the inner and outer sides of the gasket 4 abut against the walkway panel 2, and there is a gap between the protrusion 43 located between the inner and outer sides of the gasket 4 and the walkway panel 2 to enhance the connection strength and improve the stability of the maintenance access structure. This photovoltaic roof maintenance access structure simplifies the structure and reduces the number of installation parts while ensuring stability, thereby reducing costs and improving installation efficiency.

[0039] The above embodiments are only used to illustrate the present utility model and are not intended to limit the technical solutions described in the present utility model. The understanding of this specification should be based on those skilled in the art. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still make modifications or equivalent substitutions to the present utility model. All technical solutions and improvements that do not depart from the spirit and scope of the present utility model should be covered within the scope of the claims of the present utility model.

Claims

1. A maintenance access structure for a photovoltaic roof, characterized in that: A guide rail (1) is fixed on the photovoltaic roof. The maintenance passage structure includes a walkway plate (2), fasteners (3) and gaskets (4). The fasteners (3) pass through the gaskets (4) and the walkway plate (2) in sequence and are fixed to the guide rail (1). The gaskets (4) include a first abutting part (41), a second abutting part (42) and a protrusion (43). The protrusion (43) is located between the first abutting part (41) and the second abutting part (42). The first abutting part (41) has a through hole for the fasteners (3) to pass through. The first abutting part (41) and the second abutting part (42) abut against the upper surface of the walkway plate (2). There is a gap between the protrusion (43) and the walkway plate (2).

2. The maintenance access structure for a photovoltaic roof according to claim 1, characterized in that: The contact area between the first abutting part (41) and the walkway plate (2) is greater than the contact area between the second abutting part (42) and the walkway plate (2).

3. The maintenance access structure for a photovoltaic roof according to claim 1, characterized in that: The gasket (4) is arranged in a ring shape, and the inner diameter of the protrusion (43) is equal to the diameter of the head (31) of the fastener (3).

4. The maintenance access structure for a photovoltaic roof according to claim 1, characterized in that: The gasket (4) is formed by integral bending.

5. The maintenance access structure for a photovoltaic roof according to claim 1, characterized in that: The maintenance passage structure also includes positioning components (5), with two positioning components (5) arranged opposite to each other on both sides of the walkway plate (2) and fixed on the guide rail (1).

6. The maintenance access structure for a photovoltaic roof according to claim 5, characterized in that: The guide rail (1) is arranged in the horizontal direction, the walkway plate (2) and the positioning member (5) are arranged in the longitudinal direction, and the two positioning members (5) are arranged on both sides of the walkway plate (2) in the horizontal direction.

7. The maintenance access structure for a photovoltaic roof according to claim 5, characterized in that: The positioning element (5) includes a first plate wall (51) and a second plate wall (52) that are vertically connected. The first plate wall (51) is sandwiched between the guide rail (1) and the walkway plate (2). The second plate walls (52) of the two positioning elements (5) respectively abut against the two opposite sides of the walkway plate (2).

8. The maintenance access structure for a photovoltaic roof according to claim 7, characterized in that: The upper end of the second wall panel (52) is at a height lower than the upper surface of the walkway panel (2).

9. The maintenance access structure for a photovoltaic roof according to claim 7, characterized in that: The walkway slab (2), the first slab wall (51), and the guide rail (1) are fixedly connected.

10. The maintenance access structure for a photovoltaic roof according to claim 1, characterized in that: The walkway panel (2) is a zinc-aluminum-magnesium plate or a light-transmitting panel.

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