CN220798212U

CN220798212U - Photovoltaic junction box

Info

Publication number: CN220798212U
Application number: CN202322482306.2U
Authority: CN
Inventors: 涂昊; 杨祎璠; 刘浩男; 吴恙; 付婷; 邓东德; 刘芭; 朱嘉
Original assignee: China Railway Changjiang Transportation Design Group Co ltd; Chongqing Shipping Construction Development Group Co ltd
Current assignee: China Railway Changjiang Transportation Design Group Co ltd; Chongqing Shipping Construction Development Group Co ltd
Priority date: 2023-09-13
Filing date: 2023-09-13
Publication date: 2024-04-16
Anticipated expiration: 2033-09-13

Abstract

The utility model discloses a junction box technology in the field of photovoltaic junction boxes, which comprises a photovoltaic junction box body and a preassembled plate, wherein the front surface of the preassembled plate is provided with a mounting frame with the bottom capable of supporting the photovoltaic junction box body, the back surface of the photovoltaic junction box body is in sliding connection with the front surface of the preassembled plate through a sliding rail, the top ends of two side plates of the mounting frame are respectively provided with a communicating groove, clamping plates capable of limiting the top of the photovoltaic junction box body are arranged in the communicating grooves, two sides of the mounting frame are respectively provided with an elastic push-back assembly capable of moving the clamping plates, the sliding rail comprises a convex limiting strip and a limiting frame with a sliding groove matched with the convex limiting strip, and the back surface of the convex limiting strip is in bonding connection with the front surface of the preassembled plate.

Description

Photovoltaic junction box

Technical Field

The utility model relates to the technical field of junction boxes, in particular to a photovoltaic junction box.

Background

The collection access of the photovoltaic module mainly uses a photovoltaic junction box, and the photovoltaic junction box is a connecting device between a solar cell matrix formed by the solar cell module and a solar charging control device, and mainly aims to connect and protect the solar cell module, connect the electric power generated by the solar cell with an external circuit and conduct the current generated by the photovoltaic module.

The existing photovoltaic junction box is usually pre-assembled and fixed at the bottom of the photovoltaic panel in an adhesive mode before leaving the factory, and is inconvenient to assemble, disassemble and overhaul in the subsequent use process, so that the existing photovoltaic junction box is unfavorable for people to use, and therefore, a person skilled in the art provides the photovoltaic junction box to solve the problems in the background art.

Disclosure of Invention

The present utility model is directed to a photovoltaic junction box, which solves the above-mentioned problems of the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the photovoltaic junction box comprises a photovoltaic junction box body and a preassembled plate, wherein the front surface of the preassembled plate is provided with a mounting frame with the bottom capable of supporting the photovoltaic junction box body, and the back surface of the photovoltaic junction box body is in sliding connection with the front surface of the preassembled plate through a sliding rail;

the communication groove has all been seted up on the top of installing frame both sides board, the inside of communication groove can carry out spacing cardboard to photovoltaic terminal box body top, and the elasticity push back subassembly that can remove the cardboard is all installed to the both sides of installing frame.

Preferably: the sliding rail comprises a convex limiting strip and a limiting frame internally provided with a chute matched with the convex limiting strip, the back of the convex limiting strip is bonded and connected with the front of the preassembly plate, the back of the photovoltaic junction box body is provided with the limiting frame which can be buckled to the surface of the convex limiting strip from top to bottom, and the bottoms of the limiting frame and the photovoltaic junction box body are contacted with the top of the installation frame bottom plate.

Preferably: both sides of the mounting frame are provided with fixing plates for supporting the push-back assembly.

Preferably: the push-back assembly comprises a spring, a lower supporting plate, a lifting tube, an upper supporting plate and a push-pull rod, wherein the spring is arranged between the bottom of the lower supporting plate and the top of the fixed plate, the lifting tube with the upper supporting plate arranged at the top is integrally formed at the top of the lower supporting plate, and the top of the upper supporting plate is movably connected with the bottom of the clamping plate through the push-pull rod.

Preferably: the bottom end of the push-pull rod is hinged with the top of the upper supporting plate, and the top end of the push-pull rod is hinged with the bottom of the clamping plate.

Preferably: one end of the top of the clamping plate, which is far away from the push-pull rod, is integrally formed with a clamping strip.

Preferably: the top of fixed plate installs the dead lever that runs through spring and lower fagging, and the top of dead lever extends to the inside of lifter, and lifter and lower fagging all can slide from top to bottom at the surface of dead lever.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the photovoltaic junction box, the bottom of the photovoltaic panel can be preassembled and fixed before leaving a factory, a user pulls the clamping plate outwards to drive the push-back assembly to stretch out and draw back, the photovoltaic junction box body is mounted inside the mounting frame along the sliding rail, the clamping plate can be reset by loosening the push-back assembly through resilience of elasticity of the push-back assembly, the photovoltaic junction box body can be fixed inside the mounting frame, and when the wiring terminal inside the photovoltaic junction box body needs to be overhauled and replaced, the photovoltaic junction box can be quickly assembled and disassembled, and time and labor are saved.

2. According to the utility model, the clamping plate can be used for driving the push-pull rod to move, the push-pull rod drives the upper supporting plate, the lifting pipe and the lower supporting plate to move, the lower supporting plate can drive the spring to stretch and retract, when the clamping plate is loosened, the clamping plate can be retracted and reset through the resilience of the spring, the top of the photovoltaic junction box body can be limited and fixed, and the assembly and disassembly structure is simple and convenient to operate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a bottom view of the overall structure of the present utility model;

FIG. 3 is a top view of the overall structure of the present utility model;

fig. 4 is an enlarged view of a in fig. 1.

In the figure: 1. a photovoltaic junction box body; 2. pre-loading plates; 3. a mounting frame; 4. a slide rail; 41. a convex limit bar; 42. a limit frame; 5. a communication groove; 6. a clamping plate; 7. a push-back assembly; 71. a spring; 72. a lower support plate; 73. a lifting tube; 74. an upper support plate; 75. a push-pull rod; 8. a fixing plate; 9. clamping strips; 10. and a fixing rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the embodiment of the utility model, the photovoltaic junction box comprises a photovoltaic junction box body 1 and a preassembling plate 2, wherein a mounting frame 3 capable of supporting the photovoltaic junction box body 1 at the bottom is arranged on the front surface of the preassembling plate 2, the back surface of the photovoltaic junction box body 1 is slidably connected with the front surface of the preassembling plate 2 through a sliding rail 4, communication grooves 5 are formed in the top ends of two side plates of the mounting frame 3, clamping plates 6 capable of limiting the top of the photovoltaic junction box body 1 are arranged in the communication grooves 5, and elastic push-back assemblies 7 capable of moving the clamping plates 6 are arranged on two sides of the mounting frame 3.

The pre-assembled plate 2 can be pre-assembled and fixed at the bottom of the photovoltaic panel in a mode of bonding and bolting before leaving the factory, before the photovoltaic junction box body 1 is installed, cables can be installed inside the photovoltaic junction box body, a user pulls the clamping plate 6 outwards, the clamping plate 6 moves to drive the push-back assembly 7 to stretch out and draw back, then the photovoltaic junction box body 1 is installed inside the installation frame 3 along the sliding rail 4 from top to bottom in a sliding buckle mode, the push-back assembly 7 is loosened, the clamping plate 6 can be clamped to the top of the photovoltaic junction box body 1 through resilience of elasticity of the push-back assembly 7, and the photovoltaic junction box body 1 can be fixed inside the installation frame 3.

The slide rail 4 includes that the spacing frame 42 with the spacing 41 looks adaptation spout of convex is offered to spacing 41 and inside, the back of spacing 41 of convex and the front bonding connection of preassembly board 2, the back-mount of photovoltaic terminal box body 1 can be from last to the spacing frame 42 on the spacing 41 surface of lower buckle, the bottom of spacing frame 42 and photovoltaic terminal box body 1 all contacts with the top of installing frame 3 bottom plate, spacing 41 of convex and spacing frame 42 are installed the cooperation mutually, can provide spacing support to its side direction and fore-and-aft direction after the installation of photovoltaic terminal box body 1 is accomplished.

The fixed plate 8 supporting the push-back assembly 7 is arranged on two sides of the mounting frame 3, the push-back assembly 7 comprises a spring 71, a lower supporting plate 72, a lifting pipe 73, an upper supporting plate 74 and a push-pull rod 75, the spring 71 is arranged between the bottom of the lower supporting plate 72 and the top of the fixed plate 8, the lifting pipe 73 with the upper supporting plate 74 arranged at the top is integrally formed at the top of the lower supporting plate 72, the top of the upper supporting plate 74 is movably connected with the bottom of the clamping plate 6 through the push-pull rod 75, the bottom of the push-pull rod 75 is hinged with the top of the upper supporting plate 74, and the top of the push-pull rod 75 is hinged with the bottom of the clamping plate 6.

The user pulls cardboard 6, cardboard 6 can drive push-and-pull rod 75 and remove, push-and-pull rod 75 drives upper portion fagging 74 and reciprocates, upper portion fagging 74 drives lifting tube 73 and reciprocates, lifting tube 73 drives lower part fagging 72 and removes, lower part fagging 72 can drive spring 71 and stretch out and draw back, when unclamping cardboard 6, can be with cardboard 6 back reset to carry out spacing fixed to the top of photovoltaic terminal box body 1 through the resilience of spring 71, one end integrated into one piece that push-and-pull rod 75 was kept away from at cardboard 6 top has card strip 9, can conveniently pull cardboard 6, and can restrict the range of motion of cardboard 6.

The fixed rod 10 penetrating the spring 71 and the lower supporting plate 72 is installed at the top of the fixed plate 8, the top end of the fixed rod 10 extends to the inside of the lifting tube 73, the lifting tube 73 and the lower supporting plate 72 can slide up and down on the surface of the fixed rod 10, the lower supporting plate 72 can drive the spring 71 to stretch and retract on the surface of the fixed rod 10, and lateral displacement of the spring 71 and the lower supporting plate 72 can be prevented.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Photovoltaic terminal box, including photovoltaic terminal box body (1) and preassemble board (2), its characterized in that: the front surface of the preassembling plate (2) is provided with a mounting frame (3) with the bottom capable of supporting the photovoltaic junction box body (1), and the back surface of the photovoltaic junction box body (1) is in sliding connection with the front surface of the preassembling plate (2) through a sliding rail (4);

the utility model discloses a photovoltaic terminal box, including installation frame (3), connecting groove (5) have all been seted up on the top of installing frame (3) both sides board, cardboard (6) that the inside of connecting groove (5) can carry out spacing to photovoltaic terminal box body (1) top, elasticity push back subassembly (7) that can remove cardboard (6) are all installed to the both sides of installation frame (3).

2. The photovoltaic junction box of claim 1, wherein: the utility model discloses a photovoltaic terminal box, including installation frame (3) bottom plate, including protruding spacing (41) and inside spacing frame (42) of having seted up with protruding spacing (41) looks adaptation spout, the back of protruding spacing (41) is connected with the front bonding of pre-installation board (2), the back-mounting of photovoltaic terminal box body (1) can be followed to spacing frame (42) on protruding spacing (41) surface down, the bottom of spacing frame (42) and photovoltaic terminal box body (1) all contacts with the top of installing frame (3) bottom plate.

3. The photovoltaic junction box of claim 1, wherein: both sides of the mounting frame (3) are provided with fixing plates (8) for supporting the push-back assembly (7).

4. A photovoltaic junction box according to claim 3, characterized in that: the push-back assembly (7) comprises a spring (71), a lower supporting plate (72), a lifting pipe (73), an upper supporting plate (74) and a push-pull rod (75), wherein the spring (71) is arranged between the bottom of the lower supporting plate (72) and the top of the fixed plate (8), the lifting pipe (73) with the upper supporting plate (74) arranged at the top is integrally formed at the top of the lower supporting plate (72), and the top of the upper supporting plate (74) is movably connected with the bottom of the clamping plate (6) through the push-pull rod (75).

5. The photovoltaic junction box of claim 4, wherein: the bottom end of the push-pull rod (75) is hinged with the top of the upper supporting plate (74), and the top end of the push-pull rod (75) is hinged with the bottom of the clamping plate (6).

6. The photovoltaic junction box of claim 4, wherein: one end of the top of the clamping plate (6) far away from the push-pull rod (75) is integrally formed with a clamping strip (9).

7. The photovoltaic junction box of claim 4, wherein: the top of the fixed plate (8) is provided with a fixed rod (10) penetrating through the spring (71) and the lower supporting plate (72), the top end of the fixed rod (10) extends to the inside of the lifting tube (73), and the lifting tube (73) and the lower supporting plate (72) can slide up and down on the surface of the fixed rod (10).