A residential photovoltaic roof reinforcement device
By introducing a triangular structure of horizontal, diagonal, and vertical supports into the residential photovoltaic (PV) mounting system, the stability problem of the PV mounting system at the eaves is solved, achieving safe reinforcement and temperature stress relief for the PV system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANGHAI NENGHUI TECH CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-05-26
Smart Images

Figure CN224289684U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of photovoltaic technology, specifically a photovoltaic panel connection and reinforcement device. Background Technology
[0002] Distributed photovoltaic (PV) is a new and promising method of power generation and comprehensive energy utilization. It directly converts solar energy into electricity using photovoltaic modules and places the power generation system near users, achieving the principles of local power generation, local grid connection, and local consumption. Residential PV, as an important component of distributed PV, is directly built on the rooftops or yards of residential households, addressing local electricity needs and alleviating local power shortages.
[0003] To increase power generation, the area covered by photovoltaic panels sometimes exceeds the length of the sloping roof. In such cases, it is necessary to reinforce the sloping beams of the photovoltaic support structure below the photovoltaic panels to ensure the safety of the power station.
[0004] Therefore, there is an urgent need for a structure that can reinforce the photovoltaic support structure at the eaves. Utility Model Content
[0005] In view of the problems existing in the prior art, this utility model provides a household photovoltaic eaves reinforcement device to solve at least one of the above technical problems.
[0006] To achieve the above objectives, this utility model provides a household photovoltaic eaves reinforcement device, characterized in that it includes a horizontal support member, an oblique support member, and a vertical support member;
[0007] One end of the transverse support is used to connect to the cantilever beam via expansion bolts;
[0008] Two mirror-symmetrical L-shaped support plates are welded and fixed to the upper side of the other end of the transverse support member. The two L-shaped support plates are connected to the inclined beam of the photovoltaic bracket by the same bolt.
[0009] The lower side of the other end of the horizontal support is detachably connected to a first connector, which is detachably connected to the top of the inclined support.
[0010] The bottom of the inclined support is detachably connected to the second connector, which is used to connect to the wall by expansion bolts.
[0011] The top of the vertical support is used to connect to the cantilever beam via expansion bolts;
[0012] The bottom of the vertical support is detachably connected to the diagonal support.
[0013] The present invention comprises a horizontal support, a vertical support, and an oblique support, forming a triangular structure to improve the stability of the photovoltaic support.
[0014] More preferably, the first connector includes an upper support portion for closely abutting the lower side of the transverse support portion, and the upper support portion has a first extension portion extending downward on both sides;
[0015] The first extension is disposed on both sides of the inclined support member, and the inclined support member is connected to the first extension by bolts;
[0016] The upper support is connected to the transverse support by two bolts.
[0017] More preferably, the cross-section of the first connector is U-shaped.
[0018] More preferably, the second connector includes a wall support portion for tightly abutting the wall, and the wall support portion has outwardly extending second extension portions on both sides;
[0019] The second extension is disposed on both sides of the inclined support member, and the inclined support member is connected to the second extension by bolts;
[0020] The wall support is connected to the wall by two expansion bolts.
[0021] More preferably, the cross-section of the second connector is U-shaped.
[0022] More preferably, the vertical support includes a support plate for closely abutting the lower side of the cantilever beam, the support plate being connected to the cantilever beam by expansion bolts;
[0023] The vertical support also includes a longitudinal rod, which is welded and fixedly connected to the support plate;
[0024] The longitudinal rod is detachably connected to the diagonal support member by bolts.
[0025] More preferably, two longitudinal bars are provided;
[0026] Two longitudinal rods are located on both sides of the inclined support and are connected by bolts.
[0027] More preferably, the inclined support member is a square tube structure.
[0028] More preferably, the lateral support member is a square tube structure.
[0029] More preferably, the two L-shaped support plates have an arc-shaped notch on their adjacent sides, the arc-shaped notch being used to avoid the bolts connecting the first connector and the transverse support.
[0030] Compared with the prior art, the beneficial effects of this utility model are:
[0031] This utility model provides enhanced support for the photovoltaic bracket extending beyond the eaves by incorporating a reinforcing structure between the wall and the cantilever beam.
[0032] All connection nodes of this reinforcement device are bolted nodes, which can largely release the temperature stress caused by thermal expansion and contraction. Attached Figure Description
[0033] Figure 1 This is a schematic diagram of a specific embodiment 1 of the present utility model;
[0034] Figure 2 This is a side view of the first connecting member in a specific embodiment 1 of this utility model;
[0035] Figure 3 This is a bottom view of the first connecting member in a specific embodiment 1 of this utility model;
[0036] Figure 4 This is a front view of the first connecting member in a specific embodiment 1 of this utility model;
[0037] Figure 5 This is a schematic diagram of the structure of an L-shaped support plate in a specific embodiment 2 of this utility model.
[0038] In the diagram: 1 is a cantilever beam, 2 is a horizontal support, 3 is a diagonal support, 4 is a vertical support, 5 is a diagonal beam, 6 is a first connector, 7 is a second connector, 8 is a wall, 9 is an L-shaped support plate, 61 is an upper support, and 62 is a first extension. Detailed Implementation
[0039] The present invention will be further described below with reference to the accompanying drawings.
[0040] See Figures 1 to 5Specific Embodiment 1: A residential photovoltaic eaves reinforcement device includes a horizontal support 2, an inclined support 3, and a vertical support 4. One end of the horizontal support 2 is connected to a cantilever beam 1 via expansion bolts. Two mirror-symmetrically arranged L-shaped support plates 9 are welded and fixed to the upper side of the other end of the horizontal support 2. The two L-shaped support plates 9 are connected to the inclined beam 5 of the photovoltaic bracket via the same bolt. A first connecting piece 6 is detachably connected to the lower side of the other end of the horizontal support 2, and the first connecting piece 6 is detachably connected to the top of the inclined support 3. The bottom of the inclined support 3 is detachably connected to a second connecting piece 7, which is used to connect to the wall 8 via expansion bolts. The top of the vertical support 4 is connected to the cantilever beam 1 via expansion bolts. The bottom of the vertical support 4 is detachably connected to the inclined support 3. The horizontal support 2, vertical support 4, and inclined support 3 of this invention form a triangular structure, improving the stability of the photovoltaic bracket. The two mirror-symmetrically arranged L-shaped support plates 9 are mirror-symmetrically arranged front and rear.
[0041] The first connector 6 and the second connector 7 have the same structure.
[0042] The first connecting member 6 includes an upper support portion 61 for closely abutting the lower side of the transverse support member 2. The upper support portion 61 has downwardly extending first extension portions 62 on both sides. The first extension portions 62 are located on both sides of the inclined support member 3, and the inclined support member 3 is connected to the first extension portions 62 by bolts. The upper support portion 61 is connected to the transverse support member 2 by two bolts. The cross-section of the first connecting member 6 is U-shaped. The first extension portions are arranged symmetrically front and rear. The upper support portion 61 has two oblong holes arranged left and right. The upper support portion 61 is connected to the transverse support member by bolts passing through the oblong holes.
[0043] The second connector 7 includes a wall support for tightly adhering to the wall 8. The wall support has outwardly extending second extensions on both sides. The second extensions are located on both sides of the inclined support 3, and the inclined support 3 is connected to the second extensions by bolts. The wall support is connected to the wall 8 by two expansion bolts. The second connector 7 has a U-shaped cross-section. The second extensions are arranged symmetrically front and rear. The wall support has two vertically aligned oblong holes. The wall support is connected to the wall 8 by expansion bolts passing through the oblong holes.
[0044] The vertical support 4 includes a support plate for closely abutting the lower side of the cantilever beam 1, and the support plate is connected to the cantilever beam 1 by expansion bolts; the vertical support 4 also includes a longitudinal rod, which is welded and fixedly connected to the support plate; the longitudinal rod is detachably connected to the diagonal support 3 by bolts.
[0045] There are two longitudinal bars; the two longitudinal bars are located on both sides of the inclined support 3 and are connected by bolts.
[0046] The inclined support member 3 is a square tube structure.
[0047] The horizontal support member 2 is a square tube structure.
[0048] The two L-shaped support plates 9 include a vertically arranged vertical plate and a horizontally arranged horizontal plate. The horizontal plate is welded and fixedly connected to the transverse support member, and the vertical plate is detachably connected to the inclined beam by bolts.
[0049] In specific embodiment 2, based on specific embodiment 1, two L-shaped support plates 9 have arc-shaped notches on their adjacent sides. The arc-shaped notches are used to avoid the bolts connecting the first connecting member 6 and the transverse support member 2. That is, arc-shaped notches are provided on the adjacent sides of the transverse plate.
[0050] The above are merely preferred embodiments of this utility model. It should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model.
Claims
1. A household photovoltaic roof reinforcement device, characterized in that, This includes horizontal support components, diagonal support components, and vertical support components; One end of the transverse support is used to connect to the cantilever beam via expansion bolts; Two mirror-symmetrical L-shaped support plates are welded and fixed to the upper side of the other end of the transverse support member. The two L-shaped support plates are connected to the inclined beam of the photovoltaic bracket by the same bolt. The lower side of the other end of the horizontal support is detachably connected to a first connector, which is detachably connected to the top of the inclined support. The bottom of the inclined support is detachably connected to the second connector, which is used to connect to the wall by expansion bolts. The top of the vertical support is used to connect to the cantilever beam via expansion bolts; The bottom of the vertical support is detachably connected to the diagonal support.
2. The household photovoltaic eaves reinforcement device according to claim 1, characterized in that: The first connector includes an upper support portion for closely abutting the lower side of the transverse support portion, and the upper support portion has a first extension portion extending downward on both sides. The first extension is disposed on both sides of the inclined support member, and the inclined support member is connected to the first extension by bolts; The upper support is connected to the transverse support by two bolts.
3. The household photovoltaic eaves reinforcement device according to claim 2, characterized in that: The first connector has a U-shaped cross-section.
4. The household photovoltaic eaves reinforcement device according to claim 1, characterized in that: The second connector includes a wall support for tightly abutting the wall, and the wall support has outwardly extending second extensions on both sides; The second extension is disposed on both sides of the inclined support member, and the inclined support member is connected to the second extension by bolts; The wall support is connected to the wall by two expansion bolts.
5. The household photovoltaic eaves reinforcement device according to claim 4, characterized in that: The cross-section of the second connector is U-shaped.
6. The household photovoltaic eaves reinforcement device according to claim 1, characterized in that: The vertical support includes a support plate for closely abutting the lower side of the cantilever beam, and the support plate is connected to the cantilever beam by expansion bolts; The vertical support also includes a longitudinal rod, which is welded and fixedly connected to the support plate; The longitudinal rod is detachably connected to the diagonal support member by bolts.
7. A household photovoltaic roof reinforcement device according to claim 6, characterized in that: Two longitudinal bars are provided; Two longitudinal rods are located on both sides of the inclined support and are connected by bolts.
8. The household photovoltaic eaves reinforcement device according to claim 1, characterized in that: The inclined support is a square tube structure.
9. A household photovoltaic roof reinforcement device according to claim 1, characterized in that: The lateral support is a square tube structure.
10. A household photovoltaic eaves reinforcement device according to claim 1, characterized in that: The two L-shaped support plates have arc-shaped notches on their adjacent sides, which are used to avoid the bolts connecting the first connector and the transverse support.