CN219611719U - Photovoltaic junction box capable of replacing diode - Google Patents

Abstract

The utility model relates to the technical field of photovoltaic junction boxes, and discloses a photovoltaic junction box capable of replacing a diode, which comprises a box body; the box cover is arranged at the top of the box body; the fixed block is arranged at the bottom of the box cover; the disassembly and assembly mechanism is arranged at the bottom of the box cover, the fixing block is provided with a groove, the disassembly and assembly mechanism comprises a mounting block, a rectangular groove and a round groove, the mounting block is fixedly connected to the inner wall of the box body, the rectangular groove is formed in the top of the mounting block, the fixing block is inserted into the rectangular groove, and the round groove is formed in one side of the inner wall of the rectangular groove; this can replace photovoltaic terminal box of diode for the cambered surface of arc piece is extrudeed through upwards pulling lid, thereby the inside of arc piece indentation circular slot, and the restriction is removed to the fixed block, and then conveniently dismantles the lid, makes things convenient for the staff to overhaul the inside of box body, during the installation, aim at rectangular channel with the fixed block and insert can, easy operation is convenient, difficult the damage that causes.

Description

Photovoltaic junction box capable of replacing diode

Technical Field

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

Background

The photovoltaic junction box is a connector between a solar cell matrix formed by solar cell components and a solar charging control device, is a comprehensive design of a cross-field combining a gas collecting design, a mechanical design and material science, and mainly aims to connect electric power generated by the solar cells with an external circuit.

The existing photovoltaic junction box has certain defects when in use, the box cover and the box body of the traditional junction box are connected in a buckling manner, but the buckling is inconvenient to assemble and disassemble, and the box cover and the box body are generally made of plastics and are easy to damage when assembled and disassembled.

In view of this, we propose a photovoltaic junction box that can replace the diode.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a photovoltaic junction box capable of replacing a diode.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: a photovoltaic junction box capable of replacing a diode comprises a box body;

the box cover is arranged at the top of the box body;

the fixed block is arranged at the bottom of the box cover;

and the disassembly and assembly mechanism is arranged at the bottom of the box cover, the fixing block is provided with a groove, the disassembly and assembly mechanism comprises a mounting block, a rectangular groove and a round groove, the mounting block is fixedly connected with the inner wall of the box body, the rectangular groove is formed in the top of the mounting block, the fixing block is inserted into the rectangular groove, and the round groove is formed in one side of the inner wall of the rectangular groove.

Preferably, the inside of circular slot is provided with spring and arc piece, the arc one end setting of arc piece is in the inside of recess, the both ends of spring are kept away from open-ended one end and the one end fixed connection that the arc piece kept away from the cambered surface with the inner wall of circular slot respectively, are in order to drive the arc piece through setting up the spring and reset.

Preferably, the groove and the circular groove are communicated, the caliber of the groove is identical, the arc-shaped block is movably connected with the groove and the circular groove, and the shape of the groove is circular.

Preferably, the front of box body is provided with two wiring barrels, two all be provided with fixed establishment on the wiring barrel, fixed establishment includes twists piece, lead screw, arc casting die, twist the bottom of piece and the top fixed connection of lead screw, twist the piece through setting up and be in order to conveniently drive the lead screw rotation.

Preferably, the bottom of lead screw runs through the top of a wiring cylinder and extends to the inside of a wiring cylinder, and is fixedly connected with the top of an arc-shaped pressing piece through a bearing, and the arc-shaped pressing piece is arranged on the surface of a cable in order to be attached.

Preferably, the inside of box body is provided with two rings, and two rings set up with two wiring barrels intercommunication respectively, the inside fixedly connected with mounting panel of box body, the top of mounting panel is provided with and converges flow sheet and flat diode, and flat diode and flow sheet all are prior art, and wherein flow sheet is only one kind, and the mounting panel can install the flow sheet of another kind to reach the purpose of installing circular diode, thereby make this photovoltaic terminal box can replace different diodes under the condition that does not change the appearance.

(III) beneficial effects

Compared with the prior art, the utility model provides the photovoltaic junction box capable of replacing the diode, which has the following beneficial effects:

1. this can replace photovoltaic terminal box of diode for the cambered surface of arc piece is extrudeed through upwards pulling lid, thereby the inside of arc piece indentation circular slot, and the restriction is removed to the fixed block, and then conveniently dismantles the lid, makes things convenient for the staff to overhaul the inside of box body, during the installation, aim at rectangular channel with the fixed block and insert can, easy operation is convenient, difficult the damage that causes.

2. This can replace photovoltaic terminal box of diode can insert positive and negative cable through setting up two terminal cylinders, twists again and moves the piece of twisting, twists the piece and drives the lead screw and move down, and the lead screw drives arc casting die and compresses tightly the cable to reach the purpose that prevents to break away from.

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 front cross-sectional view of the present utility model;

FIG. 2 is a top view of the present utility model;

FIG. 3 is a top view of the lid of the present utility model with the lid open;

fig. 4 is a top cross-sectional view of the mounting block of the present utility model.

In the figure: 1. a case body; 2. a box cover; 3. a wire connecting cylinder; 4. a disassembly and assembly mechanism; 401. a mounting block; 402. rectangular grooves; 403. a circular groove; 404. a spring; 405. an arc-shaped block; 5. a fixing mechanism; 501. twisting blocks; 502. a screw rod; 503. an arc-shaped pressing piece; 6. a mounting plate; 7. a confluence sheet; 8. a flat diode; 9. and (5) a round sleeve.

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.

Example 1

As shown in fig. 1-4, the utility model provides a photovoltaic junction box capable of replacing a diode, which comprises a box body 1;

the box cover 2 is arranged at the top of the box body 1;

the fixed block is arranged at the bottom of the box cover 2;

and the disassembly and assembly mechanism 4 is arranged at the bottom of the box cover 2, the fixed block is provided with a groove, the disassembly and assembly mechanism 4 comprises a mounting block 401, a rectangular groove 402 and a round groove 403, the mounting block 401 is fixedly connected to the inner wall of the box body 1, the rectangular groove 402 is formed in the top of the mounting block 401, the fixed block is inserted into the rectangular groove 402, and the round groove 403 is formed in one side of the inner wall of the rectangular groove 402.

The inside of circular slot 403 is provided with spring 404 and arc piece 405, and the arc one end setting of arc piece 405 is in the inside of recess, and the both ends of spring 404 keep away from open-ended one end and the one end fixed connection that arc piece 405 kept away from the cambered surface with the inner wall of circular slot 403 respectively, and the setting is in order to drive arc piece 405 to reset through setting up spring 404, and recess and circular slot 403 intercommunication set up, and the both bore is unanimous, arc piece 405 and recess and circular slot 403 swing joint, and the shape of recess is circular equally.

In this embodiment, through upwards pulling lid 2 for the cambered surface of arc piece 405 is extrudeed, thereby arc piece 405 indentation circular slot 403's inside, and the fixed block removes the restriction, and then conveniently dismantles lid 2, makes things convenient for the staff to overhaul the inside of box body 1, during the installation, with the fixed block aim at rectangular slot 402 and insert can, easy operation is convenient, difficult the damage that causes.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the front of box body 1 is provided with two wiring barrels 3, all is provided with fixed establishment 5 on two wiring barrels 3, and fixed establishment 5 is including twisting piece 501, lead screw 502, arc casting die 503, twists the top fixed connection of piece 501 bottom and lead screw 502, is for conveniently driving lead screw 502 rotation through setting up twisting piece 501, and the top that the bottom of lead screw 502 runs through wiring barrel 3 extends to the inside of wiring barrel 3, and through bearing and the top fixed connection of arc casting die 503, is for the surface that can laminate the cable through setting up arc casting die 503.

In this embodiment, the two connection cylinders 3 are provided to insert positive and negative cables, and then the screwing block 501 is screwed, the screwing block 501 drives the screw rod 502 to move downwards, and the screw rod 502 drives the arc-shaped pressing piece 503 to press the cables, so that the purpose of preventing detachment is achieved.

Example 3

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the inside of box body 1 is provided with two circle cover 9, and two circle cover 9 communicate with two wiring section of thick bamboo 3 respectively and set up, the inside fixedly connected with mounting panel 6 of box body 1, the top of mounting panel 6 is provided with busbar 7 and flat diode 8, flat diode 8 and busbar 7 are prior art, wherein busbar 7 is only one kind, the mounting panel 6 can install the busbar 7 of another type to reach the purpose of installing circular diode, thereby make this photovoltaic terminal box can replace different diodes under the condition that does not change the appearance.

In this embodiment, the round sleeve 9 is provided to enable the core of the peeled cable to pass through and be connected with the busbar 7.

The working principle of the photovoltaic junction box capable of replacing the diode is specifically described below.

As shown in fig. 1-4, when in use, the cambered surface of the arc-shaped block 405 is extruded by pulling the box cover 2 upwards, so that the arc-shaped block 405 is retracted into the round groove 403, the fixed block is released from the restriction, the box cover 2 is convenient to detach, a worker can conveniently overhaul the inside of the box body 1, and when in installation, the fixed block is aligned to the rectangular groove 402 and inserted, the operation is simple and convenient, and damage is not easy to cause; by arranging two wiring barrels 3, positive and negative cables can be inserted, then the screwing block 501 is screwed, the screwing block 501 drives the screw rod 502 to move downwards, and the screw rod 502 drives the arc-shaped pressing piece 503 to press the cables, so that the purpose of preventing detachment is achieved; the wire core of the peeled cable can pass through the round sleeve 9 to be connected with the bus bar 7, the bus bar is made of aluminum sheets, the end parts of the bus bar can be separated and then tightly clamped to clamp the wire core, and the flat diode 8 and the bus bar 7 are all of the prior art, wherein the bus bar 7 is only one type, and the mounting plate 6 can be provided with the bus bar 7 of the other type so as to achieve the purpose of mounting the round diode, so that the photovoltaic junction box can replace different diodes under the condition of not changing the appearance.

Claims (6)

1. A photovoltaic junction box capable of replacing a diode comprises a box body (1);

the box cover (2) is arranged at the top of the box body (1);

the fixed block is arranged at the bottom of the box cover (2);

and set up dismouting mechanism (4) in lid (2) bottom, its characterized in that: the fixing block is provided with a groove, the dismounting mechanism (4) comprises a mounting block (401), a rectangular groove (402) and a round groove (403), the mounting block (401) is fixedly connected to the inner wall of the box body (1), the rectangular groove (402) is formed in the top of the mounting block (401), the fixing block is inserted into the rectangular groove (402), and the round groove (403) is formed in one side of the inner wall of the rectangular groove (402).

2. A diode replaceable photovoltaic junction box according to claim 1, wherein: the inside of circular slot (403) is provided with spring (404) and arc piece (405), the arc one end of arc piece (405) sets up in the inside of recess, the both ends of spring (404) are kept away from open-ended one end and arc piece (405) with the inner wall of circular slot (403) respectively and are kept away from the one end fixed connection of cambered surface.

3. A diode replaceable photovoltaic junction box according to claim 2, wherein: the groove and the circular groove (403) are communicated, the caliber of the groove is identical to that of the circular groove, and the arc-shaped block (405) is movably connected with the groove and the circular groove (403).

4. A diode replaceable photovoltaic junction box according to claim 1, wherein: the front of box body (1) is provided with two wiring barrels (3), two all be provided with fixed establishment (5) on wiring barrels (3), fixed establishment (5) are including twisting piece (501), lead screw (502), arc casting die (503), the bottom of twisting piece (501) and the top fixed connection of lead screw (502).

5. A diode replaceable photovoltaic junction box as claimed in claim 4, wherein: the bottom of the screw rod (502) penetrates through the top of the wiring cylinder (3) and extends to the inside of the wiring cylinder (3), and is fixedly connected with the top of the arc-shaped pressing piece (503) through a bearing.

6. A diode replaceable photovoltaic junction box according to claim 1, wherein: the inside of box body (1) is provided with two circle cover (9), and two circle cover (9) respectively with two wiring section of thick bamboo (3) intercommunication settings, the inside fixedly connected with mounting panel (6) of box body (1), the top of mounting panel (6) is provided with busbar (7) and flat diode (8).