CN214256232U

CN214256232U - Exchange lightning combiner box

Info

Publication number: CN214256232U
Application number: CN202022833905.0U
Authority: CN
Inventors: 陆少杰; 陈健慧
Original assignee: Ningbo Zhenggong Complete Electrical Appliance Co ltd
Current assignee: Ningbo Zhenggong Complete Electrical Appliance Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-09-21
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to the technical field of combiner boxes, in particular to an alternating current lightning protection combiner box, which comprises a box body, wherein the front surface of the box body is provided with a box door through a hinge, the opening and closing part of the box door and the box body is correspondingly provided with a sealing ring, the right side of the box body is correspondingly provided with a heat dissipation hole, the inside of the box body is correspondingly provided with a plurality of junction boxes, the inside of the box body and the right side of the junction boxes are correspondingly provided with surge protectors, the left side of the top of each surge protector is correspondingly provided with a grounding guide strip, the right side of the top of each surge protector is correspondingly provided with a connecting guide strip, the inside of the box body and the position corresponding to the heat dissipation hole are provided with filter cotton, the left side of the bottom of the box body is correspondingly provided with a wiring hole, the right side of the bottom of the box body is correspondingly provided with a wiring collecting hole, compared with the existing alternating current combiner box, the utility model discloses a design can improve whole convenience, security and the practicality of exchanging the collection flow box.

Description

Exchange lightning combiner box

Technical Field

The utility model relates to a collection flow box technical field specifically is an exchange lightning combiner box.

Background

The junction box is characterized in that a user can connect photovoltaic cells with a certain number and the same specification in series to form photovoltaic strings, then the photovoltaic strings are connected into the photovoltaic junction box in parallel, and after the photovoltaic junction box is internally connected with a junction box, the photovoltaic junction box is matched with a controller, a direct-current power distribution cabinet, a photovoltaic inverter and an alternating-current power distribution cabinet to form a complete photovoltaic power generation system, so that grid connection with a mains supply is realized.

Along with the vigorous development of the existing electric power, the junction box is widely applied in life, wherein the junction box in the existing life has an excessively simple design structure, is very inconvenient to carry out electric power wiring, meanwhile, part of the junction boxes in the existing life do not have the function of lightning protection, when in use, the electric power is concentrated, the electric magnetic field is strong, lightning strike is easily caused in thunderstorm weather, the junction box is damaged, meanwhile, the short circuit of the electric power can cause large-area power failure and short circuit damage, various circuits in the junction box are connected, a large amount of heat can be generated in use, the heat cannot be timely discharged in the junction box, the long-time high-temperature environment can influence the normal use of the circuits, the overall convenience, the safety and the practicability are generally not high, therefore, the improvement of the existing AC junction box is realized, and a novel AC junction box is designed to change the technical defects, the practicability of the whole alternating current combiner box is improved, and the practicability is very important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an exchange lightning combiner box to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an exchange lightning combiner box, includes the box, the front of box is provided with the chamber door through the hinge, the corresponding louvre that is provided with in right side of box, the corresponding a plurality of terminal boxes that are provided with in inside of box, the inside of box and the corresponding surge protector that is provided with in right side that is located the terminal box, the corresponding ground connection conducting bar that is provided with in left side at surge protector top, the corresponding connection conducting bar that is provided with in right side at surge protector top, the inside of box and the position department of corresponding louvre are provided with the filter pulp, the corresponding wiring hole that is provided with in left side of bottom half, the corresponding line concentration hole that is provided with in right side of bottom half.

Preferably, the opening and closing positions of the box door and the box body are correspondingly provided with sealing rings.

Preferably, the heat dissipation holes are designed in a structure with a downward opening, and the cross sections of the heat dissipation holes are designed in a quarter-circle structure.

Preferably, the surge protector is connected with the junction box through a connecting conducting bar, and the connecting mode is electric connection.

Preferably, the back of the box body is correspondingly provided with a mounting rack, the mounting rack is connected with the grounding conducting bar, and the connection mode is electric connection.

Preferably, the filter cotton is designed to be a detachable structure.

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

in the utility model, through the design of the AC lightning protection header box, the surge protector can protect the box body from being damaged by the influence of thunderstorm weather, meanwhile, the damage of corresponding equipment caused by the short circuit of an alternating current circuit is avoided, unnecessary economic loss is avoided, the sealing performance of the box body can be well improved by the sealing strips and the filter cotton of the box door, the interior of the box body can be kept clean enough in the long-time use process, thereby ensuring the normal operation of the circuit, the filter cotton is designed in a detachable structure, the filter cotton can be detached and cleaned regularly, convenient the change when damaging simultaneously, the fine inside air current of box that has increased of louvre is led to the performance, avoids the internal circuit to break down because the influence of high temperature, and the wiring hole and the line concentration hole of bottom half have made things convenient for the wiring of collection flow box greatly, and whole convenience, security and practicality are higher.

Drawings

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a front view of the overall structure of the present invention;

fig. 3 is a bottom view of the whole three-dimensional structure of the present invention.

In the figure: 1-box body, 2-hinge, 3-box door, 4-heat dissipation hole, 5-junction box, 6-surge protector, 7-grounding conducting bar, 8-connecting conducting bar, 9-filter cotton, 10-wiring hole and 11-line collecting hole.

Detailed Description

The technical solution 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 some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

an alternating current lightning protection combiner box comprises a box body 1, a box door 3 is arranged on the front side of the box body 1 through a hinge 2, a sealing ring is correspondingly arranged at the opening and closing position of the box door 3 and the box body 1, a heat dissipation hole 4 is correspondingly arranged on the right side of the box body 1, the heat dissipation hole 4 is of a structure with a downward opening, the cross section of the heat dissipation hole 4 is of a quarter-circle structure design, a plurality of junction boxes 5 are correspondingly arranged in the box body 1, a surge protector 6 is correspondingly arranged in the box body 1 and positioned on the right side of the junction boxes 5, a grounding guide bar 7 is correspondingly arranged on the left side of the top of the surge protector 6, a mounting frame is correspondingly arranged on the back of the box body 1, the mounting frame is mutually connected with the grounding guide bar 7 in an electrical connection mode, a connecting guide bar 8 is correspondingly arranged on the right side of the top of the surge protector 6, and the surge protector 6 is connected with the junction boxes 5 through the connecting guide bar 8, the connection mode is electrical connection, the filter cotton 9 is arranged in the box body 1 and at the position corresponding to the heat dissipation holes 4, the filter cotton 9 is in a detachable structure design, the left side of the bottom of the box body 1 is correspondingly provided with wiring holes 10, the right side of the bottom of the box body 1 is correspondingly provided with wire collecting holes 11, through the design of the alternating current lightning protection header box, the surge protector 6 can protect the box body 1 from being damaged by the influence of thunderstorm weather, meanwhile, the corresponding equipment damage caused by the short circuit of an alternating current circuit is avoided, unnecessary economic loss is avoided, the sealing strip of the box door 3 and the filter cotton 9 can well increase the sealing performance of the box body 1, the inner part of the box body 1 can keep clean enough in the long-time use process, thereby ensuring the normal operation of the circuit, the filter cotton 9 is in a detachable structure design, and the filter cotton 9 can be detached and cleaned regularly, convenient the change when damaging simultaneously, louvre 4 is fine has increased the inside air current general character of box 1, avoids the internal circuit to break down because the influence of high temperature, and the wiring hole 10 and the big 11 wiring hole of box 1 bottom have made things convenient for the wiring of collection flow box greatly, and whole convenience, security and practicality are higher.

The utility model discloses work flow: when the alternating current lightning protection combiner box is used, the box body 1 is firstly installed and fixed at a designated position through the installation frame, then the box door 3 is opened, wires needing to be connected are led into the box body 1 through the wiring holes 10 and the wire collecting holes 11, the wires are connected with the corresponding junction boxes 5 one by one, after the wires are connected, the box door 3 is closed, when thunderstorm weather occurs, the surge protector 6 can well protect the box body 1, once the box body 1 is hit by thunder, the surge protector 6 can trip and break a wire circuit, meanwhile, the grounding conducting bar 7 is used for transmitting the thunder to the ground through the installation frame, the conducting wires are protected from short circuit damage, the whole operation flow is simple and convenient, through the design of the alternating current lightning protection combiner box, the surge protector 6 can protect the box body 1 from being damaged by the influence of the thunderstorm weather, avoided alternating current circuit's short circuit to cause corresponding equipment to damage simultaneously, unnecessary economic loss has been avoided, the sealing strip of chamber door 3 and the leakproofness of increase box 1 that crosses filter pulp 9 can be fine, box 1 is inside can keep enough clean and tidy in long-time use, thereby ensure the circuit can normal operating, it is detachable structural design to cross filter pulp 9, can regularly dismantle cleanly to cross filter pulp 9, conveniently change when damaging simultaneously, 4 fine increase the inside air current connectivity of box 1 of louvre, avoid the internal circuit to break down because the influence of high temperature, the wiring of the big 11 of wiring hole 10 and the line concentration hole of box 1 bottom has made things convenient for the collection flow box, compare with current alternating current collection flow box, the utility model discloses a design can improve alternating current collection flow box's whole convenience, security and practicality.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an exchange lightning combiner box, includes box (1), its characterized in that: the front of box (1) is provided with chamber door (3) through hinge (2), the corresponding louvre (4) that is provided with in right side of box (1), the inside of box (1) is corresponding to be provided with a plurality of terminal boxes (5), the inside of box (1) and the right side that is located terminal box (5) are corresponding to be provided with surge protector (6), the corresponding ground connection conducting bar (7) that is provided with in left side at surge protector (6) top, the corresponding connection conducting bar (8) that is provided with in right side at surge protector (6) top, the inside of box (1) and the position department of corresponding louvre (4) are provided with crosses filter pulp (9), the corresponding wiring hole (10) that is provided with in left side of box (1) bottom, the corresponding line concentration hole (11) that is provided with in right side of box (1) bottom.

2. An alternating current lightning protection combiner box according to claim 1, wherein: and sealing rings are arranged at the opening and closing positions of the box door (3) and the box body (1) correspondingly.

3. An alternating current lightning protection combiner box according to claim 1, wherein: the radiating holes (4) are designed to be of a structure with a downward opening, and the sections of the radiating holes (4) are designed to be of a quarter-circle structure.

4. An alternating current lightning protection combiner box according to claim 1, wherein: the surge protector (6) is connected with the junction box (5) through a connecting guide strip (8) in an electric connection mode.

5. An alternating current lightning protection combiner box according to claim 1, wherein: the back of the box body (1) is correspondingly provided with a mounting rack, the mounting rack is connected with the grounding conducting bar (7) in an electric connection mode.

6. An alternating current lightning protection combiner box according to claim 1, wherein: the filter cotton (9) is designed into a detachable structure.