CN219514040U

CN219514040U - Photovoltaic junction box structure capable of reducing shielding

Info

Publication number: CN219514040U
Application number: CN202320733895.4U
Authority: CN
Inventors: 谷清; 王怡
Original assignee: Ningbo Lihui Photovoltaic Technology Co ltd
Current assignee: Ningbo Lihui Photovoltaic Technology Co ltd
Priority date: 2023-04-06
Filing date: 2023-04-06
Publication date: 2023-08-11
Anticipated expiration: 2033-04-06

Abstract

The utility model relates to the technical field of photovoltaic junction boxes, and discloses a photovoltaic junction box structure capable of reducing shielding, which comprises a box body and a box cover, wherein a clamping groove is formed in the bottom of the box body, a first slot is formed in the bottom of the box body, a second slot is formed in the inner wall of the clamping groove, patches are arranged on the bottom of the box body and the inner wall of the clamping groove, a wire harness is arranged in the box body, a diode is arranged on the wire harness, and a port is formed in one end of the wire harness. Through setting up the draw-in groove, the card is on two solar panels to avoided shielding solar panel's problem, the stability reinforcing of assembly, still design simultaneously and design diode and pencil side by side, reach space-saving's purpose.

Description

Photovoltaic junction box structure capable of reducing shielding

Technical Field

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

Background

Solar energy is a renewable resource, solar cell technology for generating electricity by utilizing photovoltaic effect is attracting attention of the world, and solar cells are materials capable of generating photovoltaic effect and can convert light energy into electric energy. In practical use, it is necessary to use a photovoltaic junction box to draw out the electrical energy generated by the photovoltaic module and connect with an external load. Therefore, the photovoltaic module junction box is a key component of the photovoltaic module to construct various power generation systems. At present, in order to solve the shortage of new energy resources and reasonably utilize idle water surfaces to save precious land resources, a solar photovoltaic water surface floating power station is rapidly developed, and a photovoltaic junction box is mainly used for connecting and protecting a solar photovoltaic module. The power generated by the solar cell can be connected with an external circuit through the photovoltaic junction box, so that the current generated by the photovoltaic module is conducted.

For example, the Chinese patent publication No. CN209330055U discloses the following technical scheme: a photovoltaic junction box comprising: a case body; the two conductive assemblies are arranged at intervals and are contained in the box body; the diode module is detachably arranged in the box body and is electrically connected between the two conductive components; and the two wiring terminals are arranged inside the box body, are respectively electrically connected with the two conductive assemblies and are used for being electrically connected with the photovoltaic assembly. The photovoltaic junction box is provided with the two conductive assemblies, the diode module and the two wiring terminals. When the diode module is damaged, the replacement of the diode module does not affect the electrical connection of the two connection terminals and the photovoltaic module. When the photovoltaic junction box is damaged due to static electricity and the like, the diode module can be quickly and conveniently replaced, and secondary damage to the photovoltaic assembly when the junction box is integrally replaced is avoided. In one embodiment, the device further comprises two leads electrically connected with the two conductive components respectively.

When in actual use, the photovoltaic junction box is adhered to the front surface or the back surface of the solar panel, but the assembly structure can cause a shadow part, and the photovoltaic junction box can partially shield the solar panel, so that the heat collection efficiency is reduced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a photovoltaic junction box structure capable of reducing shielding.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a can reduce photovoltaic terminal box structure that shelters from, includes box body and lid, the draw-in groove has been seted up to the bottom of box body, first slot has been seted up to the bottom of box body, the second slot has been seted up on the inner wall of draw-in groove, the bottom of box body and the inner wall of draw-in groove all are provided with the paster, the inside of box body is provided with the pencil, be provided with the diode on the pencil, the one end of pencil is provided with the port.

Preferably, the box body is provided with the protective sheath, the outer wall of box body is fixed to run through to the protective sheath, pencil and the inner wall sliding connection of protective sheath, through setting up the protective sheath, are in order to avoid the junction of pencil and box body to take place to buckle, lead to the pencil impaired.

Preferably, the screw hole has been seted up at the top of box body, the jack has been seted up at the top of lid, the inner wall sliding connection of jack has the connecting screw, the connecting screw runs through the jack and with screw hole threaded connection, through setting up screw hole, jack and connecting screw, is in order to be convenient for connect box body and lid to the inside of box body is overhauld.

Preferably, the standing groove has been seted up at the top of box body, the inside of standing groove is provided with the sealing washer, through setting up standing groove and sealing washer, is in order to avoid liquid to get into the inside of box body from the junction gap of box body and lid to play waterproof effect.

Preferably, the top of lid has seted up the recess, the inner wall fixedly connected with data plate of recess is through setting up the data plate, is in order to be convenient for demonstrate the relevant parameter of terminal box.

Preferably, the mounting groove has been seted up at the top of lid, and mounting groove and jack intercommunication set up, through setting up the mounting groove, is the head in order to be convenient for place the connecting screw to also can play the guard action to the connecting screw when guaranteeing the whole roughness of lid.

Compared with the prior art, the utility model provides a photovoltaic junction box structure capable of reducing shielding, which has the following beneficial effects:

this can reduce photovoltaic terminal box structure that shelters from through setting up the draw-in groove, blocks on two solar panels to avoided the problem of sheltering from solar panel, the stability reinforcing of assembly, still design simultaneously and design diode and pencil side by side, reach the purpose of saving space.

This can reduce photovoltaic terminal box structure that shelters from through setting up screw hole, jack and connecting screw, is convenient for connect lid and box body, through setting up the sealing washer, is convenient for carry out waterproof seal to junction to make the terminal box during operation more stable.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

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

FIG. 2 is a schematic view of the bottom of the case of the present utility model;

FIG. 3 is a schematic top view of the body of the present utility model;

fig. 4 is a schematic view of the lid of the present utility model.

In the figure: 1. a case body; 2. a clamping groove; 3. a first slot; 4. a second slot; 5. a patch; 6. a wire harness; 7. a diode; 8. a port; 9. a protective sleeve; 10. a threaded hole; 11. a box cover; 12. a jack; 13. a connecting screw; 14. a groove; 15. a nameplate.

Description of the embodiments

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.

As shown in fig. 1-4, the utility model provides a photovoltaic junction box structure capable of reducing shielding, which comprises a box body 1 and a box cover 11, wherein a clamping groove 2 is formed in the bottom of the box body 1, a first slot 3 is formed in the bottom of the box body 1, a second slot 4 is formed in the inner wall of the clamping groove 2, patches 5 are arranged on the bottom of the box body 1 and the inner wall of the clamping groove 2, a wire harness 6 is arranged in the box body 1, a diode 7 is arranged on the wire harness 6, a port 8 is arranged at one end of the wire harness 6, a protective sleeve 9 is arranged on the box body 1, the protective sleeve 9 is fixedly penetrated through the outer wall of the box body 1, the wire harness 6 is in sliding connection with the inner wall of the protective sleeve 9, by arranging the protective sleeve 9, in order to avoid bending of the joint of the wire harness 6 and the box body 1, the wire harness 6 is damaged, a threaded hole 10 is formed in the top of the box body 1, a jack 12 is formed in the top of the box cover 11, a connecting screw 13 is slidingly connected with the inner wall of the jack 12, the connecting screw 13 penetrates through the jack 12 and is in threaded connection with the threaded hole 10, the jack 12 and the connecting screw 13 are arranged to facilitate the connection of the box body 1 and the box cover 11, so that the inside of the box body 1 is convenient to overhaul, the top of the box cover 11 is provided with a mounting groove, the mounting groove is communicated with the jack 12, the mounting groove is arranged to facilitate the placement of the head of the connecting screw 13, so that the whole flatness of the box cover 11 is ensured, the connecting screw 13 can be protected, the top of the box body 1 is provided with a placing groove, the inside of the placing groove is provided with a sealing ring, the placing groove and the sealing ring are arranged to prevent liquid from entering the inside of the box body 1 from the connecting gap of the box body 1 and the box cover 11, so as to play a waterproof role, the top of the box cover 11 is provided with a groove 14, the inner wall fixedly connected with nameplate 15 of recess 14 is through setting up nameplate 15, is in order to be convenient for demonstrate the relevant parameter of terminal box.

The following specifically describes the working principle of the photovoltaic junction box structure capable of reducing shielding.

As shown in fig. 1-4, when in use, the box body 1 is clamped on two solar panels through the clamping groove 2, so that the problem of shielding the solar panels is avoided, the heat collection efficiency is improved, the stability of assembly is enhanced, the solar panels and external loads are connected through the ports 8, when the inside of the box body 1 is required to be overhauled, the box cover 11 is taken down through rotating the connecting screw 13, the wire harness 6 and the diode 7 in the box body 1 are overhauled, after the overhauling is completed, the connecting screw 13 passes through the jack 12 and is connected with the threaded hole 10, the box cover 11 is covered, the box is sealed through the sealing ring, and the box is simple to operate and convenient to use.

Claims

1. The utility model provides a photovoltaic terminal box structure that can reduce shelter from, includes box body (1) and lid (11), its characterized in that: the novel portable electronic device comprises a box body (1), wherein a clamping groove (2) is formed in the bottom of the box body (1), a first slot (3) is formed in the bottom of the box body (1), a second slot (4) is formed in the inner wall of the clamping groove (2), patches (5) are arranged on the bottom of the box body (1) and the inner wall of the clamping groove (2), a wire harness (6) is arranged in the box body (1), a diode (7) is arranged on the wire harness (6), and a port (8) is formed in one end of the wire harness (6).

2. The photovoltaic junction box structure capable of reducing shielding according to claim 1, wherein: the box body (1) is provided with a protective sleeve (9), the protective sleeve (9) fixedly penetrates through the outer wall of the box body (1), and the wire harness (6) is in sliding connection with the inner wall of the protective sleeve (9).

3. The photovoltaic junction box structure capable of reducing shielding according to claim 1, wherein: screw holes (10) are formed in the top of the box body (1), inserting holes (12) are formed in the top of the box cover (11), connecting screws (13) are connected to the inner wall of the inserting holes (12) in a sliding mode, and the connecting screws (13) penetrate through the inserting holes (12) and are in threaded connection with the screw holes (10).

4. The photovoltaic junction box structure capable of reducing shielding according to claim 1, wherein: the top of box body (1) has seted up the standing groove, the inside of standing groove is provided with the sealing washer.

5. The photovoltaic junction box structure capable of reducing shielding according to claim 1, wherein: the top of lid (11) has seted up recess (14), the inner wall fixedly connected with data plate (15) of recess (14).

6. A photovoltaic junction box structure capable of reducing shielding according to claim 3, wherein: the top of the box cover (11) is provided with a mounting groove which is communicated with the jack (12).