Glass curtain wall photovoltaic junction box
By designing the coordinated connection of the fixing seat, installation shell and fixing frame, the problem of inconvenient maintenance of photovoltaic junction boxes in the glass curtain wall in the prior art is solved, convenient disassembly and dust-proofing effects are achieved, and stability and maintenance efficiency are improved.
Patent Information
- Application Number
- CN202422448024.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-08-08
- Estimated Expiration
- 2034-10-10
AI Technical Summary
The existing glass curtain wall photovoltaic junction box needs to be completely disassembled during maintenance, which is inconvenient to operate and is prone to enter impurities such as dust.
A glass curtain wall photovoltaic junction box including a fixing seat, a mounting shell and a fixing frame is designed. The mounting shell can be easily disassembled through the mating connection of the mounting groove and the pin rod, and dust is prevented from entering through the rubber baffle.
It realizes the convenient disassembly and dustproof effect of the junction box, improves maintenance efficiency, reduces dust entry, and enhances stability.
Smart Images

Figure CN223207096U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of junction boxes, in particular to a glass curtain wall photovoltaic junction box. Background Art
[0002] Photovoltaic glass curtain walls integrate photovoltaic power generation with building materials. The basic unit of a photovoltaic glass curtain wall is a cell array composed of several polycrystalline silicon solar cells connected in series and parallel. These polycrystalline silicon solar cells are encapsulated within a double layer of tempered glass to create a photovoltaic glass curtain wall.
[0003] The Chinese patent with publication number CN114793089A discloses a glass curtain wall photovoltaic junction box, which can realize the rapid installation and disassembly of the junction box and the glass curtain wall photovoltaic junction box assembly, and belongs to the field of photovoltaic junction box structure design. The present invention includes a box cover and a base that snap together. The top of the box cover is covered with a layer of adhesive. The inside of the base is equipped with a thimble, a spring and a lead. The spring force generated by the spring can move the thimble up and down, and the thimble is limited and guided in the box body. During installation, a hole is punched in the glass layer of the glass curtain wall to expose the busbar, the thimble is aligned with the busbar, and then the adhesive is bonded to the glass layer to achieve a physical connection. The busbar and the thimble are deformed by the contact of the spring force, achieving full contact and realizing electrical connection. The lead is a soft braided wire that connects the thimble and the copper sheet. When the thimble moves, the lead also moves accordingly. The present invention achieves soft contact between the thimble and the copper sheet, with low contact resistance, low loss and high reliability.
[0004] However, the above technical solution has the following defects: the box cover of the above glass curtain wall photovoltaic junction box is located at the back, that is, the box cover is blocked after the junction box is installed. When inspecting the cables, etc., the junction box needs to be completely disassembled before it can be opened for inspection and then installed again after inspection, which is inconvenient to use. Utility Model Content
[0005] The purpose of the utility model is to solve the problems existing in the background technology and to provide a glass curtain wall photovoltaic junction box.
[0006] The technical solution of the utility model: a glass curtain wall photovoltaic junction box, comprising a fixing seat, a mounting shell and a fixing frame;
[0007] There are multiple fixing brackets, which are connected to the surface of the fixing seat and are evenly distributed on the fixing seat;
[0008] The surface of the fixing seat is provided with a mounting groove, the mounting shell is matched and connected with the mounting groove, the mounting shell is sleeved on the outside of the plurality of fixing seats, and the inner wall of the mounting groove is pressed tightly against the surface of the mounting shell.
[0009] Preferably, it further comprises a pin;
[0010] The pin rod is slidably connected to the fixing seat, the pin rod is located above the mounting shell, the mounting shell is provided with a pin hole, and the pin rod is matched with the pin hole for connection.
[0011] Preferably, the projection shape of the fixing brackets is L-shaped, and there are four fixing brackets. The four fixing brackets are evenly distributed on the fixing seat and form a square frame.
[0012] Preferably, the outer circumferential surface of the fixing frame is provided with a plurality of convex strips, and the inner wall of the mounting shell is pressed tightly against the convex strips.
[0013] Preferably, a mounting hole is provided on the mounting shell, and a transparent plate is provided in the mounting hole.
[0014] Preferably, the mounting shell is provided with a plurality of through holes, each of the through holes is provided with a plurality of baffles, and the baffles are evenly distributed around the circumference of the through holes.
[0015] Preferably, the baffle is a rubber plate.
[0016] Preferably, two fixing plates are provided on the fixing seat, the fixing plates are symmetrically distributed on the upper end of the fixing seat, and fixing bolts are provided on the fixing plates.
[0017] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects:
[0018] 1. When installing the junction box in the present invention, first install the fixing base in the corresponding position. The fixing base is provided with multiple fixing brackets, and the fixing base is provided with a mounting groove. The mounting shell is connected with the mounting groove. The inner wall of the mounting groove is pressed against the surface of the mounting shell to fix the mounting shell. When disassembly is required, the mounting shell is easy to disassemble and inspect the cables and other components on the fixing base.
[0019] 2. The through hole in the utility model is used for connecting cables to pass through. The baffle is made of rubber. The baffle in the through hole can be pressed tightly against the outer peripheral surface of the cable to block the remaining part of the through hole, effectively reducing dust and other impurities in the air from entering the interior of the installation shell.
[0020] 3. In the present invention, the mounting shell is connected with the mounting groove during installation. The pin rod is slid downward, and the pin rod is connected with the pin hole on the mounting shell, so that the mounting shell is installed more firmly. When disassembling, the pin rod is pulled upward to move the pin rod away from the mounting shell, and the mounting shell can be taken out from the mounting groove. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a three-dimensional diagram of an embodiment of the present invention.
[0022] Figure 2 This is a structural schematic diagram of a glass curtain wall photovoltaic junction box proposed by the utility model.
[0023] Figure 3This is a cross-sectional view of a glass curtain wall photovoltaic junction box proposed by the utility model.
[0024] Figure numerals: 1, fixing seat; 2, mounting shell; 3, baffle; 4, pin rod; 5, fixing plate; 6, transparent plate; 7, fixing bolt; 8, fixing frame; 9, convex strip; 10, mounting groove; 11, pin hole. DETAILED DESCRIPTION
[0025] Example 1
[0026] like Figure 1-Figure 3 As shown, the glass curtain wall photovoltaic junction box proposed by the present invention includes a fixing seat 1, a mounting shell 2 and a fixing frame 8;
[0027] There are multiple fixing brackets 8, and the multiple fixing brackets 8 are connected to the surface of the fixing base 1 and are evenly distributed on the fixing base 1;
[0028] Furthermore, two fixing plates 5 are provided on the fixing base 1. The fixing plates 5 are symmetrically distributed on the upper end of the fixing base 1. Fixing bolts 7 are provided on the fixing plates 5.
[0029] The surface of the fixing seat 1 is provided with a mounting groove 10 , and the mounting shell 2 is connected with the mounting groove 10 . The mounting shell 2 is sleeved on the outside of the multiple fixing seats 1 , and the inner wall of the mounting groove 10 is pressed tightly against the surface of the mounting shell 2 .
[0030] Furthermore, a mounting hole is provided on the mounting shell 2 , and a transparent plate 6 is provided in the mounting hole.
[0031] In the present invention, when installing the junction box, the fixing base 1 is first installed in the corresponding position. A plurality of fixing brackets 8 are provided on the fixing base 1, and a mounting groove 10 is provided on the fixing base 1. The mounting shell 2 is connected with the mounting groove 10. The inner wall of the mounting groove 10 is pressed against the surface of the mounting shell 2 to fix the mounting shell 2. When disassembly is required, the mounting shell 2 is easy to disassemble and inspect the cables and other components on the fixing base 1.
[0032] Example 2
[0033] like Figure 1-Figure 3 As shown, the glass curtain wall photovoltaic junction box proposed by the present invention, compared with the first embodiment, this embodiment further includes a pin rod 4;
[0034] The pin rod 4 is slidably connected to the fixing seat 1 . The pin rod 4 is located above the mounting shell 2 . The mounting shell 2 is provided with a pin hole 11 . The pin rod 4 is matched with the pin hole 11 .
[0035] In this embodiment, during installation, the mounting shell 2 is matched and connected with the mounting groove 10, and the pin rod 4 is slid downward, and the pin rod 4 is matched and connected with the pin hole 11 on the mounting shell 2, so that the mounting shell 2 is installed more firmly. During disassembly, the pin rod 4 is pulled upward to move the pin rod 4 away from the mounting shell 2, and the mounting shell 2 can be taken out from the mounting groove.
[0036] Example 3
[0037] like Figure 2 As shown, the utility model proposes a glass curtain wall photovoltaic junction box. Compared with the first embodiment, the projection shape of the fixing frame 8 in this embodiment is L-shaped, the number of the fixing frames 8 is four, and the four fixing frames 8 are evenly distributed on the fixing seat 1 and form a square frame.
[0038] Furthermore, a plurality of ridges 9 are provided on the outer circumference of the fixing frame 8 , and the inner wall of the mounting shell 2 is pressed tightly against the ridges 9 .
[0039] In this embodiment, the mounting shell 2 is sleeved on the outside of multiple fixing frames 8 during installation, and the inner wall of the mounting shell 2 is pressed against the outer peripheral surface of the multiple fixing frames 8. The outer peripheral surface of the fixing frames 8 is provided with convex strips 9, which increases the friction between the inner wall of the mounting shell 2 and the fixing frames 8, making the mounting shell 2 more tightly installed.
[0040] Example 4
[0041] like Figure 1-Figure 3 As shown, the glass curtain wall photovoltaic junction box proposed by the present invention, compared with the first embodiment, in this embodiment, a plurality of through holes are provided on the mounting shell 2, and a plurality of baffles 3 are provided in the through holes, and the baffles 3 are evenly distributed around the circumference of the through holes.
[0042] Furthermore, the baffle 3 is a rubber plate.
[0043] In this embodiment, the through hole is used for connecting cables to pass through, and the baffle 3 is made of rubber. The baffle 3 in the through hole can be pressed against the outer peripheral surface of the cable to block the remaining part of the through hole, effectively reducing dust and other impurities in the air from entering the interior of the mounting shell 2.
[0044] The embodiments of the present invention are described in detail above with reference to the accompanying drawings, but the present invention is not limited thereto. Various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.
Claims
1. A glass curtain wall photovoltaic junction box, characterized in that: It comprises a fixing seat (1), a mounting shell (2) and a fixing frame (8); A plurality of fixing frames (8) are provided, and the plurality of fixing frames (8) are connected to the surface of the fixing seat (1) and are evenly distributed on the fixing seat (1); The surface of the fixing seat (1) is provided with a mounting groove (10), the mounting shell (2) is connected in cooperation with the mounting groove (10), the mounting shell (2) is sleeved on the outside of the plurality of fixing seats (1), and the inner wall of the mounting groove (10) is pressed against the surface of the mounting shell (2).
2. A glass curtain wall photovoltaic junction box according to claim 1, characterized in that: Also includes a pin rod (4); The pin rod (4) is slidably connected to the fixing seat (1). The pin rod (4) is located above the mounting shell (2). The mounting shell (2) is provided with a pin hole (11). The pin rod (4) is matched with the pin hole (11).
3. The glass curtain wall photovoltaic junction box according to claim 1, characterized in that: The projection shape of the fixing frames (8) is L-shaped. There are four fixing frames (8) in number. The four fixing frames (8) are evenly distributed on the fixing seat (1) and form a square frame.
4. The glass curtain wall photovoltaic junction box according to claim 1, characterized in that: The outer peripheral surface of the fixing frame (8) is provided with a plurality of convex strips (9), and the inner wall of the mounting shell (2) is pressed tightly against the convex strips (9).
5. The glass curtain wall photovoltaic junction box according to claim 1, characterized in that: A mounting hole is provided on the mounting shell (2), and a transparent plate (6) is provided in the mounting hole.
6. The glass curtain wall photovoltaic junction box according to claim 1, characterized in that: A plurality of through holes are provided on the mounting shell (2), and a plurality of baffles (3) are provided in each of the through holes. The baffles (3) are evenly distributed around the circumference of the through holes.
7. The glass curtain wall photovoltaic junction box according to claim 6, characterized in that: The baffle (3) is a rubber plate.
8. The glass curtain wall photovoltaic junction box according to claim 1, characterized in that: Two fixing plates (5) are provided on the fixing seat (1). The fixing plates (5) are symmetrically distributed on the upper end of the fixing seat (1). Fixing bolts (7) are provided on the fixing plates (5).
Citation Information
Patent Citations
Glass curtain wall photovoltaic junction box
CN114793089A