CN219394792U

CN219394792U - Photovoltaic cell installation box

Info

Publication number: CN219394792U
Application number: CN202320227552.0U
Authority: CN
Inventors: 潘晓露; 钟桂平; 陈宇
Original assignee: FUJIAN XIONGFENG ELECTRIC CO LTD
Current assignee: FUJIAN XIONGFENG ELECTRIC CO LTD
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-07-21
Anticipated expiration: 2033-02-16

Abstract

The utility model relates to a photovoltaic cell mounting box, which belongs to the technical field of photovoltaic cell junction boxes and comprises a junction box, wherein a top cover is arranged at the upper end of the junction box, fixing plates are respectively and fixedly connected to the upper ends of the periphery of the outside of the junction box, positioning through holes are respectively and fixedly connected to the periphery of the lower end of the top cover, and connecting rods penetrate through the positioning through holes.

Description

Photovoltaic cell installation box

Technical Field

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

Background

Solar energy is an inexhaustible green energy source, is very important for solving the problems of energy shortage and environmental pollution for human beings, and along with the development of technology, the photovoltaic power generation technology also makes great progress, and a batch of photovoltaic power plants with economic benefits and profitability are established successively, so that higher technical requirements are provided for related components such as photovoltaic junction boxes, connectors, cables and the like. The solar photoelectric conversion device is generally arranged in a remote field or at high altitude, and if parts are to be replaced for maintenance, the solar photoelectric conversion device is troublesome. The choice of high quality photovoltaic junction boxes and other components is an effective means of avoiding high repair and maintenance costs.

The utility model with the application number of CN202220753152.9 discloses a photovoltaic cell junction box, a fixing shell, a fixing plate, a fixing hole, a storage cavity, a slidable carrying fixing frame structure, a liftable shielding wire harness fixing cover structure, a junction box body, a box cover and a plug hole, wherein the upper parts of the back surfaces of the left side and the right side of the fixing shell are respectively connected with the fixing plate through bolts. The U-shaped frame, the inclined T-shaped sliding seat, the fixed shell and the junction box body are arranged, so that the junction box body is arranged in the fixed shell in the using process, the junction box body can be protected conveniently in the using process, and the junction box body is prevented from being damaged in the using process; the U-shaped connecting frame, the shielding strip, the shielding cover, the wire harness hole and the fixing shell are arranged, so that wires used in a connecting mode can penetrate through the wire harness hole in the using process, and wire harness work can be conveniently conducted in the using process.

The prior art has the following defects:

under the prior art, the top cap of photovoltaic cell terminal box is fixed with the terminal box through multiunit bolt mostly, and when the pencil and the photovoltaic cell in the terminal box need be changed or maintained to the user, the user need unscrew multiunit bolt in proper order and dismantle the top cap, and extremely inconvenient, the inside electronic component of terminal box can produce heat at the during operation simultaneously, leads to the inside high temperature of terminal box for the electronic component in the terminal box receives the damage easily.

Disclosure of Invention

The utility model aims to provide a photovoltaic cell mounting box for solving the problems in the background art.

The technical scheme of the utility model is as follows: the connecting box comprises a connecting box, the upper end of the connecting box is provided with a top cover, the outside of the connecting box is fixedly connected with a fixed plate respectively, the four fixed plates are all provided with positioning through holes, the lower end of the top cover is fixedly connected with connecting rods respectively, the four connecting rods respectively penetrate through the four positioning through holes, the lower end of each connecting rod is provided with a through hole, the four middle of the inside of each through hole is fixedly connected with a supporting plate, the four two sides of each supporting plate are fixedly connected with springs respectively, the two sides of each spring are fixedly connected with clamping blocks respectively, and the two clamping blocks are respectively located on the two sides of the lower end of each fixed plate.

Further, the same rectangular groove is formed in the upper ends of the peripheral side walls of the junction box, the lower end of the top cover is fixedly connected with a rectangular insertion block, and the rectangular insertion block is inserted into the rectangular groove.

Further, the same first sealing ring of shape that returns is fixedly connected with respectively around the inside upper end of terminal box, the lower extreme fixedly connected with of top cap returns shape second sealing ring, the second sealing ring with first sealing ring contact, the second sealing ring is located return shape inserted block is inside.

Further, be provided with waterproof ventilated membrane in the middle of the lower extreme of top cap, waterproof ventilated membrane is located the inside of second sealing washer.

Further, the inside of terminal box is provided with the photovoltaic cell body, a plurality of wiring holes have been seted up to front end one side of terminal box, and a plurality of the rubber ring is all installed to the surface in wiring hole.

Further, the inside lower extreme of terminal box is provided with the heating panel, the upper end of heating panel with photovoltaic cell body contact, the lower extreme fixedly connected with of heating panel a plurality of heat dissipation fins, a plurality of louvres have been seted up respectively to the bottom both sides of terminal box.

The utility model provides a photovoltaic cell mounting box through improvement, which has the following improvement and advantages compared with the prior art:

according to the utility model, the connecting rod penetrates through the positioning through hole, so that the clamping block is clamped at two sides of the lower end of the positioning through hole to install and fix the top cover, meanwhile, the square-shaped inserting block and the square-shaped groove are inserted, the top cover is convenient to install and fix, the top cover is convenient to detach, and the heat dissipation is facilitated by arranging the heat dissipation plate, the heat dissipation fins and the heat dissipation holes.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic elevational view of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

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

fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Reference numerals illustrate: 1. a junction box; 2. a wiring hole; 3. a rubber ring; 4. a top cover; 5. a photovoltaic cell body; 6. a heat dissipation plate; 7. radiating fins; 8. a heat radiation hole; 10. a second seal ring; 11. a waterproof breathable film; 12. a return groove; 13. a loop-shaped insert block; 14. a first seal ring; 15. a connecting rod; 16. a fixing plate; 17. positioning the through hole; 18. a through hole; 19. a support plate; 20. a spring; 21. and (5) clamping blocks.

Description of the embodiments

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 4, and it is obvious that the described embodiments 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.

The utility model provides a photovoltaic cell mounting box through improvement, as shown in fig. 1-4, the photovoltaic cell mounting box comprises a junction box 1, wherein the upper end of the junction box 1 is provided with a top cover 4, the upper ends of the periphery of the outer part of the junction box 1 are respectively fixedly connected with fixing plates 16, the four fixing plates 16 are all provided with positioning through holes 17, the periphery of the lower end of the top cover 4 is respectively fixedly connected with a connecting rod 15, the four connecting rods 15 respectively pass through the four positioning through holes 17, the lower ends of the four connecting rods 15 are provided with through holes 18, the middle of the inner part of the four through holes 18 is respectively fixedly connected with a supporting plate 19, the two sides of the four supporting plates 19 are respectively fixedly connected with springs 20, the other sides of the two springs 20 are respectively fixedly connected with clamping blocks 21, the two clamping blocks 21 are respectively positioned at the two sides of the lower ends of the fixing plates 16, when the inner part of the junction box 1 is required to be maintained, the clamping blocks 21 are pressed, the springs 20 are contracted under the extrusion of the clamping blocks 21, the top cover 4 is pulled upwards, the connecting rods 15 are pulled out of the positioning through holes 17, the top cover 4 is conveniently mounted and fixed, and the top cover 4 is convenient to be disassembled.

The same rectangular groove 12 is formed in the upper ends of the peripheral side walls of the junction box 1, the lower end of the top cover 4 is fixedly connected with a rectangular insertion block 13, the rectangular insertion block 13 and the rectangular groove 12 are inserted, and therefore the top cover 4 and the junction box 1 can be conveniently installed and positioned.

The inside upper end of terminal box 1 is around fixedly connected with same shape of turning round first sealing washer 14 respectively, and the lower extreme fixedly connected with of top cap 4 returns shape second sealing washer 10, and second sealing washer 10 and first sealing washer 14 contact, and second sealing washer 10 is located the shape of turning round inserted block 13 inside, through setting up first sealing washer 14 and second sealing washer 10, makes top cap 4 and terminal box 1 connect and seals.

The waterproof ventilated membrane 11 is arranged in the middle of the lower end of the top cover 4, and the waterproof ventilated membrane 11 is positioned in the second sealing ring 10 and is waterproof and ventilated to the inside.

The inside of terminal box 1 is provided with photovoltaic cell body 5, and a plurality of wiring holes 2 have been seted up to front end one side of terminal box 1, and rubber ring 3 is all installed on the surface of a plurality of wiring holes 2, and the connecting wire of being convenient for is connected.

The inside lower extreme of terminal box 1 is provided with heating panel 6, and the upper end and the photovoltaic cell body 5 contact of heating panel 6, and a plurality of heat dissipation fins 7 of lower extreme fixedly connected with of heating panel 6 have been seted up a plurality of louvres 8 respectively in the bottom both sides of terminal box 1, through setting up heating panel 6, heat dissipation fins 7 and louvres 8, the heat dissipation of being convenient for.

Working principle: when the inside of the junction box 1 needs to be maintained, the clamping block 21 is pressed, the spring 20 contracts under the extrusion of the clamping block 21, the top cover 4 is pulled upwards, the connecting rod 15 is pulled out of the positioning through hole 17, meanwhile, the square-shaped inserting block 13 is separated from the square-shaped groove 12, and the first sealing ring 14 is separated from the second sealing ring 10, so that the inside is maintained conveniently.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A photovoltaic cell mounting box, characterized in that: including terminal box (1), the upper end of terminal box (1) is provided with top cap (4), the outside of terminal box (1) is fixedly connected with fixed plate (16) respectively all around, four all offer location through-hole (17) on fixed plate (16), the lower extreme of top cap (4) is fixedly connected with connecting rod (15) all around, four connecting rod (15) pass four respectively locating through-hole (17), four perforating hole (18) have been seted up to the lower extreme of connecting rod (15), four in the middle of the inside of perforating hole (18) is fixedly connected with backup pad (19) respectively, four the both sides of backup pad (19) are fixedly connected with spring (20) respectively, two liang the opposite side of spring (20) is fixedly connected with fixture block (21) respectively, two liang fixture block (21) are located respectively the lower extreme both sides of fixed plate (16).

2. A photovoltaic cell mounting case according to claim 1, characterized in that: the upper ends of the peripheral side walls of the junction box (1) are provided with the same rectangular groove (12), the lower end of the top cover (4) is fixedly connected with a rectangular inserting block (13), and the rectangular inserting block (13) is inserted into the rectangular groove (12).

3. A photovoltaic cell mounting case according to claim 2, characterized in that: the novel junction box is characterized in that the periphery of the upper end of the interior of the junction box (1) is fixedly connected with a first square-shaped sealing ring (14) respectively, the lower end of the top cover (4) is fixedly connected with a second square-shaped sealing ring (10), the second sealing ring (10) is in contact with the first sealing ring (14), and the second sealing ring (10) is located in the square-shaped inserting block (13).

4. A photovoltaic cell mounting case according to claim 3, characterized in that: the middle of the lower end of the top cover (4) is provided with a waterproof and breathable film (11), and the waterproof and breathable film (11) is positioned in the second sealing ring (10).

5. A photovoltaic cell mounting case according to claim 1, characterized in that: the photovoltaic cell junction box is characterized in that a photovoltaic cell body (5) is arranged inside the junction box (1), a plurality of junction holes (2) are formed in one side of the front end of the junction box (1), and rubber rings (3) are arranged on the surfaces of the junction holes (2).

6. A photovoltaic cell mounting case according to claim 5, wherein: the solar photovoltaic cell is characterized in that a radiating plate (6) is arranged at the lower end of the inside of the junction box (1), the upper end of the radiating plate (6) is in contact with the photovoltaic cell body (5), a plurality of radiating fins (7) are fixedly connected to the lower end of the radiating plate (6), and a plurality of radiating holes (8) are respectively formed in two sides of the bottom of the junction box (1).