CN216873154U

CN216873154U - Junction box with protection function for photovoltaic equipment

Info

Publication number: CN216873154U
Application number: CN202123143765.5U
Authority: CN
Inventors: 于杰; 藏言错; 陈梦琪
Original assignee: Yujie Power Co ltd
Current assignee: Yujie Power Co ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-07-01
Anticipated expiration: 2031-12-15

Abstract

The utility model discloses a junction box with a protection function for photovoltaic equipment, which comprises a box body and a box cover, wherein the box body and the box cover are mutually buckled, the box body is connected with the box cover through mounting screws, a waterproof sealing assembly is arranged between the box body and the box cover, two threading pipes are arranged at the bottom end of the box body, a sealing clamping assembly is arranged on the surfaces of the threading pipes, a wiring board is fixedly connected inside the box body, a wire pipe clamping seat and a wire head connecting seat are respectively arranged on the surface of the wiring board, and a wire pipe clamping plate is arranged on the surface of the wire pipe clamping seat. This terminal box for photovoltaic equipment with safeguard function overlaps rubber swivel nut and foam rubber ring at photovoltaic circuit's surface, utilizes the rubber swivel nut spiral shell tight, and extrusion foam rubber ring seals the tube head position of threading pipe, utilizes the rubber sand grip card on lid surface to go into the spacing recess on box body surface, seals box body and lid, and after the maintenance is disassembled, extremely strong sealing performance still has, avoids the rainwater to dip.

Description

Junction box with protection function for photovoltaic equipment

Technical Field

The utility model relates to the technical field of photovoltaic equipment, in particular to a junction box for photovoltaic equipment with a protection function.

Background

The junction box is one of electrical accessories, the junction box is used for transition at the joint of the electric wire, the electric wire pipe is connected with the junction box, the electric wires in the wire pipe are connected in the junction box to play a role in protecting the electric wires and connecting the electric wires, and the junction box is also used for transition of the electric wires in photovoltaic equipment.

But because photovoltaic equipment has most to expose in external environment, for example, the photovoltaic board, in the use of terminal box, will strictly guarantee the leakproofness of terminal box, avoid the rainwater to get into the inside of terminal box and cause the circuit short circuit, current terminal box, the junction adopts sealed glue to seal usually, and inconvenient dismantles the maintenance to the inside of terminal box, and after disassembling, the sealing performance of terminal box can descend, influences safety in utilization. Therefore, the utility model provides a junction box with a protection function for photovoltaic equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a junction box for photovoltaic equipment with a protection function, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a terminal box for photovoltaic equipment with safeguard function, includes box body and lid, the mutual lock of box body and lid is connected through the installation screw between box body and the lid, and be provided with waterproof sealing assembly between box body and the lid, the bottom of box body is provided with two threading pipes, the surface of threading pipe is provided with sealed clamping component, the inside fixedly connected with wiring board of box body, the surface of wiring board is provided with spool grip slipper and end of a thread connecting seat respectively, the surface of spool grip slipper is provided with the spool splint, the surface of end of a thread connecting seat is provided with electrically conductive reed, the lateral wall of box body is provided with the heat conduction finned plate, the outside of box body is provided with the installation component.

Preferably, waterproof sealing assembly is including seting up the spacing recess at the box body opening part, and one side fixedly connected with rubber sand grip that the lid is close with the box body, rubber sand grip and spacing recess looks adaptation.

Preferably, the box body and the box cover are internally provided with thread connecting piles which are mutually matched, and the mounting screws are arranged in the thread connecting piles.

Preferably, the sealing and clamping assembly comprises a rubber thread insert in threaded connection with the surface of the threading pipe, and a foamed rubber ring is arranged inside the rubber thread insert.

Preferably, the number of the heat conduction fin plates is a plurality of, the plurality of heat conduction fin plates are uniformly distributed into three groups and are equidistantly arranged on three side surfaces of the box body, and the heat conduction fin plates are made of heat conduction ceramic.

Preferably, the mounting assembly comprises a mounting support leg fixedly connected to the bottom of the box body, and a mounting hole is formed in the surface of the mounting support leg.

Advantageous effects

The utility model provides a junction box with a protection function for photovoltaic equipment, which has the following beneficial effects:

1. this terminal box for photovoltaic equipment with safeguard function, through setting up the box body, the lid, waterproof sealing subassembly and sealed clamping components, penetrate the inside of box body with the photovoltaic circuit from the threading pipe, and before penetrating, at first with rubber swivel nut and foam rubber ring casing on the surface of photovoltaic circuit, it is tight to utilize the rubber swivel nut spiral shell, the extrusion foam rubber ring, reach the tube head position to the threading pipe and carry out the purpose sealed, utilize the spacing recess on rubber sand grip card on lid surface to go into the box body surface, can reach the purpose of sealing up box body and lid, and sealed effect is strong, after disassembling, still have extremely strong sealing performance, avoid the rainwater to soak.

2. This terminal box for photovoltaic equipment with safeguard function, when connecting the photovoltaic circuit, utilize end of a thread connecting seat and electrically conductive reed, carry out the centre gripping installation to the end of a thread of photovoltaic circuit, utilize spool grip slipper and spool splint, it is fixed to carry out the centre gripping to the insulating skin of photovoltaic circuit, the fastness of reinforcing photovoltaic circuit end of a thread connection, avoid receiving outside wind-force influence, it is not hard up to cause the end of a thread to connect, through setting up installation stabilizer blade and mounting hole, can install this terminal box and outside photovoltaic board equipment, and the installation is firm, through setting up the heat conduction fin, can derive the inside heat of box body.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a schematic side sectional view of the present invention.

In the figure: the novel wire harness fixing device comprises a box body 1, a box cover 2, a mounting screw 3, a wire passing pipe 4, a wiring board 5, a wire pipe clamping seat 6, a wire end connecting seat 7, a wire pipe clamping plate 8, a conductive reed 9, a heat conducting fin plate 10, a limiting groove 11, a rubber convex strip 12, a threaded connecting pile 13, a rubber thread sleeve 14, a foam rubber ring 15 and a mounting support leg 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a terminal box for photovoltaic equipment with safeguard function, including box body 1 and lid 2, the mutual lock of box body 1 and lid 2, be connected through installation screw 3 between box body 1 and the lid 2, and be provided with waterproof sealing assembly between box body 1 and the lid 2, waterproof sealing assembly is including seting up the spacing recess 11 at 1 opening part of box body, lid 2 is with the close one side fixedly connected with rubber sand grip 12 of box body 1, rubber sand grip 12 and spacing recess 11 looks adaptation, utilize the rubber sand grip 12 card on 2 surfaces of lid to go into the spacing recess 11 on 1 surface of box body, can reach the purpose of sealing up box body 1 and lid 2, and sealed effect is strong, after disassembling and examining and repairing, extremely strong sealing performance still has, avoid the rainwater to dip.

The box body 1 and the box cover 2 are internally provided with thread connecting piles 13 which are mutually matched, and the mounting screws 3 are arranged inside the thread connecting piles 13.

The bottom of box body 1 is provided with two threading pipes 4, and the surface of threading pipe 4 is provided with sealed clamping component, and sealed clamping component includes threaded connection at the rubber swivel nut 14 on threading pipe 4 surface, and the inside of rubber swivel nut 14 is provided with foam rubber ring 15.

Penetrate the photovoltaic circuit from threading pipe 4 inside of box body 1, and before penetrating, at first with rubber swivel nut 14 and foamed rubber ring 15 cover on the surface of photovoltaic circuit, utilize 14 spiro unions of rubber swivel nut to extrude foamed rubber ring 15, reach the tube head position of threading pipe 4 and carry out the purpose sealed.

The inside fixedly connected with wiring board 5 of box body 1, the surface of wiring board 5 is provided with spool holder 6 and end of a thread connecting seat 7 respectively, and the surface of spool holder 6 is provided with spool splint 8, and the surface of end of a thread connecting seat 7 is provided with electrically conductive reed 9.

When connecting the photovoltaic circuit, utilize end of a thread connecting seat 7 and electrically conductive reed 9, carry out the centre gripping installation to the end of a thread of photovoltaic circuit, utilize spool grip slipper 6 and spool splint 8, it is fixed to carry out the centre gripping to the insulating skin of photovoltaic circuit, and the fastness of reinforcing photovoltaic circuit end of a thread connection avoids receiving outside wind-force influence, causes the end of a thread to connect not hard up.

The lateral wall of box body 1 is provided with heat conduction finned plate 10, and the quantity of heat conduction finned plate 10 is a plurality of, and a plurality of heat conduction finned plate 10 is equallyd divide for three equidistance settings in the three side of box body 1, and the manufacturing material of heat conduction finned plate 10 is heat conduction pottery, through setting up heat conduction finned plate 10, can derive the heat of box body 1 inside fast, guarantees this connection box's safety in utilization.

The outside of box body 1 is provided with the installation component, and the installation component includes fixed connection at the installation stabilizer blade 16 of 1 bottoms of box body, and the mounting hole has been seted up on the surface of installation stabilizer blade 16, through setting up installation stabilizer blade 16 and mounting hole, can install this terminal box and outside photovoltaic board equipment.

The working principle is as follows: when the junction box with the protection function is used, firstly, bolts are arranged in mounting holes of mounting support legs 16 in a penetrating manner, the photovoltaic circuit is mounted with an external photovoltaic plate, then a rubber screw sleeve 14 and a foam rubber ring 15 are sleeved on the surface of the photovoltaic circuit, the photovoltaic circuit penetrates into the box body 1 from the threading pipe 4, the end of the photovoltaic circuit is clamped and mounted by using an end of thread connecting seat 7 and a conductive reed 9, an insulating skin of the photovoltaic circuit is clamped and fixed by using a line tube clamping seat 6 and a line tube clamping plate 8, the firmness of the connection of the end of the photovoltaic circuit is enhanced, the end of the thread is prevented from being affected by external wind power and being connected and loosened, then, the rubber screw sleeve 14 is screwed tightly, the foam rubber ring 15 is extruded, the purpose of sealing the position of the end of the threading pipe 4 is achieved, and then, the rubber raised strips 12 on the surface of the box cover 2 are clamped into the limiting grooves 11 on the surface of the box body 1, can reach the purpose of sealing up box body 1 and lid 2, and sealed effect is strong, and after the maintenance is disassembled, still have extremely strong sealing performance, avoid the rainwater to soak, reach the purpose of protecting the line safety of photovoltaic equipment.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a terminal box for photovoltaic equipment with safeguard function, includes box body (1) and lid (2), its characterized in that: the utility model discloses a terminal box of cable, including box body (1), box cover (2), box body (1) and box cover (2), the mutual lock of box body (1) and box cover (2), be connected through installation screw (3) between box body (1) and box cover (2), and be provided with waterproof sealing assembly between box body (1) and box cover (2), the bottom of box body (1) is provided with two threading pipes (4), the surface of threading pipe (4) is provided with sealed clamping component, the inside fixedly connected with wiring board (5) of box body (1), the surface of wiring board (5) is provided with spool grip slipper (6) and end of a thread connecting seat (7) respectively, the surface of spool grip slipper (6) is provided with spool splint (8), the surface of end of a thread connecting seat (7) is provided with electrically conductive reed (9), the lateral wall of box body (1) is provided with heat conduction finned plate (10), the outside of box body (1) is provided with installation component.

2. The junction box with the protection function for the photovoltaic equipment as claimed in claim 1, wherein: waterproof sealing assembly is including offering spacing recess (11) at box body (1) opening part, one side fixedly connected with rubber sand grip (12) that lid (2) are close with box body (1), rubber sand grip (12) and spacing recess (11) looks adaptation.

3. The junction box with the protection function for the photovoltaic equipment as claimed in claim 1, wherein: the box body (1) and the box cover (2) are internally provided with thread connecting piles (13) which are matched with each other, and the mounting screws (3) are arranged inside the thread connecting piles (13).

4. The junction box with the protection function for the photovoltaic equipment as claimed in claim 1, wherein: the sealing and clamping assembly comprises a rubber threaded sleeve (14) in threaded connection with the surface of the threading pipe (4), and a foam rubber ring (15) is arranged inside the rubber threaded sleeve (14).

5. The junction box with the protection function for the photovoltaic equipment as claimed in claim 1, wherein: the number of the heat conduction fin plates (10) is a plurality of, the heat conduction fin plates (10) are uniformly divided into three groups and are equidistantly arranged on three side faces of the box body (1), and the heat conduction fin plates (10) are made of heat conduction ceramic.

6. The junction box with the protection function for the photovoltaic equipment as claimed in claim 1, wherein: the mounting assembly comprises mounting support legs (16) fixedly connected to the bottom of the box body (1), and mounting holes are formed in the surfaces of the mounting support legs (16).