CN209913265U

CN209913265U - Low-voltage distributed photovoltaic grid-connected cabinet

Info

Publication number: CN209913265U
Application number: CN201920529842.4U
Authority: CN
Inventors: 朱为宝; 范静东; 杨兵
Original assignee: Anhui Fuhuang Electric Power Equipment Technology Co Ltd
Current assignee: Anhui Fuhuang Electric Power Equipment Technology Co Ltd
Priority date: 2019-04-18
Filing date: 2019-04-18
Publication date: 2020-01-07
Anticipated expiration: 2029-04-18

Abstract

The utility model discloses a low pressure distributing type photovoltaic cabinet that is incorporated into power networks belongs to photovoltaic cabinet technical field that is incorporated into power networks, including the distributing type cabinet body, the distributing type cabinet body is formed by a plurality of little cabinet bodies concatenation side by side, every the universal wheel is all installed to the bottom of little cabinet body, adjacent two be connected through coupling mechanism between the little cabinet body, coupling mechanism is including installing link, crashproof board and the connecting plate of little cabinet body top and bottom, crashproof board and two I type structure is constituteed to the connecting plate mutually perpendicular, adjacent two little cabinet body passes through the connecting plate is pegged graft the mode of link is connected, the connecting plate with the link passes through fixing bolt and fixes, the inside of link sets up the movable groove of rectangular shape structure. The distributed cabinet body is arranged to be of a structure formed by splicing a plurality of small cabinet bodies, and two adjacent small cabinet bodies are connected through the connecting mechanism, so that the distributed cabinet body is convenient to disassemble and assemble.

Description

Low-voltage distributed photovoltaic grid-connected cabinet

Technical Field

The utility model relates to a photovoltaic grid-connected cabinet technical field, in particular to low pressure distributing type photovoltaic grid-connected cabinet.

Background

The photovoltaic grid-connected cabinet is a power distribution device for connecting a photovoltaic power station and a power grid, and mainly functions as a boundary between the photovoltaic power station and the power grid. For the low-voltage grid-connected photovoltaic power station, the photovoltaic grid-connected cabinet can also have home decoration reference measurement and some protection functions. The photovoltaic grid-connected cabinet is used as a main outlet of a photovoltaic power station and is necessarily arranged in a photovoltaic system, and some photovoltaic systems can be used as distributed grid-connected cabinets and are mainly used for 110KV and 35KV centralized photovoltaic grid-connected access systems and 10KV and 380V distributed photovoltaic grid-connected access systems.

Traditional distributed grid-connected cabinet generally is a complete cabinet body, the electric component of different voltages of internally mounted management, therefore the unable split of complete distributed grid-connected cabinet becomes independent cabinet and uses, installation transportation is inconvenient, only can customize a big cabinet body again when needing to increase electric component, consequently use dumb to every cupboard body of distributed grid-connected cabinet inside all will install heat abstractor, the heat dissipation is with high costs, and inconvenient maintenance when heat abstractor breaks down.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a low pressure distributing type photovoltaic is incorporated into power networks cabinet in order to solve the problem that the split one-tenth cupboard body transportation installation that above-mentioned distributing type is incorporated into power networks cabinet can not be nimble is inconvenient and the heat dissipation is with high costs and provide a cabinet is incorporated into power networks, has expanded split, uses nimble more economy, advantage that the heat dissipation cost is low.

The utility model realizes the above purpose by the following technical proposal, a low-voltage distributed photovoltaic grid-connected cabinet comprises a distributed cabinet body, the distributed cabinet body is formed by splicing a plurality of small cabinet bodies side by side, universal wheels are arranged at the bottom of each small cabinet body, two adjacent small cabinet bodies are connected by a connecting mechanism, the connecting mechanism comprises a connecting frame, an anti-collision plate and a connecting plate which are arranged at the top and the bottom of the small cabinet body, the anti-collision plate and the two connecting plates are mutually perpendicular to form an I-shaped structure, the two adjacent small cabinet bodies are connected by the connecting plate in a manner of splicing the connecting frame, the connecting plate and the connecting frame are fixed by a fixing bolt, a movable groove with a long strip-shaped structure is arranged inside the connecting frame, the fixing bolt passes through the movable groove and is connected with the connecting plate, two side walls of the small cabinet bodies are both provided with wire passing holes, the wire passing holes are sealed through the dust-proof plate which is opened inwards, the wire passing pipeline is arranged in the middle of the anti-collision plate, and the wire passing pipeline is movably connected with the wire passing holes in an inserting mode.

Preferably, the dust guard is installed on the inner wall of the small cabinet body and is rotatably connected with the inner wall of the small cabinet body through a rotating shaft.

Preferably, the rotating shaft is composed of a hinge and a torsion spring, the hinge is used for rotating the dust guard, and the torsion spring is used for resetting the dust guard.

Preferably, the side of the distributed cabinet body provided with the cabinet door is a front side, and the heat dissipation assembly is installed on the back side and is communicated with the back side of each small cabinet body through the air inlet nozzle.

Preferably, the heat dissipation assembly comprises a ventilation pipe, a wind collection cover and a fan, the fan is installed inside the wind collection cover, and the wind collection cover is communicated with the air inlet nozzle through the ventilation pipe.

Preferably, the air inlet nozzle is of a horn-shaped structure, and air circulation is formed between the air inlet nozzle and the heat dissipation opening in the front face of the small cabinet body.

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

1. through being the structure that is formed by the concatenation of several cubicle bodies with the setting of the distributing type cabinet body, two adjacent cubicle bodies pass through coupling mechanism and connect, make things convenient for the dismantlement and the installation of the distributing type cabinet body, and the both sides of every cubicle body set up the dust guard that the line hole and can overturn, coupling mechanism can push up the dust guard through crossing the line pipeline and insert in the line hole, make things convenient for the electric wire between two adjacent cubicle bodies to walk the line, when taking apart between the cubicle body, cross the line hole and be plugged up by the dust guard, thereby make the cubicle body can the exclusive use, therefore this distributing type is incorporated into the power networks the cabinet.

2. The back installation radiator unit of the distributed cabinet body, radiator unit pass through the fan and blow to the air-collecting cover, and the air-collecting cover communicates through ventilation pipe and the air inlet nozzle of installing at the small cabinet body back again, consequently only needs a motor to dispel the heat to every small cabinet body, not only practices thrift the heat dissipation cost, also is convenient for heat abstractor's maintenance.

Drawings

Fig. 1 is a schematic view of the overall structure of the device of the present invention.

Fig. 2 is the back structure schematic diagram of the distributed individual cabinet body of the present invention.

Fig. 3 is a schematic view of the connection mechanism of the present invention.

Fig. 4 is a schematic view of the mounting structure of the connection plate of the present invention.

Fig. 5 is a schematic view of the side wall structure of the small cabinet body of the present invention.

Fig. 6 is a schematic view of the installation structure of the dust guard of the present invention.

In the figure: 1. distributed cabinet body, 2, small cabinet body, 3, universal wheel, 4, connecting mechanism, 5, link, 6, radiator unit, 7, air inlet nozzle, 8, ventilation pipe, 9, air-collecting cover, 10, fan, 11, crashproof board, 12, connecting plate, 13, fixing bolt, 14, wire passing pipeline, 15, movable groove, 16, wire passing hole, 17, dust guard, 18 and revolving axle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, a low-voltage distributed photovoltaic grid-connected cabinet comprises a distributed cabinet body 1, the distributed cabinet body 1 is formed by splicing a plurality of small cabinet bodies 2 in parallel, universal wheels 3 are mounted at the bottom of each small cabinet body 2, two adjacent small cabinet bodies 2 are connected through a connecting mechanism 4, the connecting mechanism 4 comprises a connecting frame 5 mounted at the top and the bottom of each small cabinet body 2, an anti-collision plate 11 and a connecting plate 12, the anti-collision plate 11 and the two connecting plates 12 are perpendicular to each other to form an i-shaped structure, the two adjacent small cabinet bodies 2 are connected in a manner that the connecting plates 12 are inserted into the connecting frame 5, the connecting plates 12 are fixed with the connecting frame 5 through fixing bolts 13, a movable groove 15 with a long strip-shaped structure is arranged inside the connecting frame 5, the fixing bolts 13 penetrate through the movable groove 15 to be connected with the connecting plates 12, wire passing holes 16 are arranged on two side walls of the small cabinet bodies, the middle part of the anti-collision plate 11 is provided with a wire passing pipeline 14, the wire passing pipeline 14 is movably inserted and connected with a wire passing hole 16, the distributed cabinet body 1 is formed by splicing a plurality of small cabinet bodies 2 through a connecting mechanism 4, each small cabinet body 2 can be independently used, connecting frames 5 are only required to be arranged at the top and the bottom of two adjacent small cabinet bodies 2 during splicing, and then the connecting frames 5 are connected through connecting plates 12, therefore, the number of the small cabinet bodies 2 of the distributed cabinet body 1 can be increased or reduced according to the actual use condition, the wire passing hole 16 of each small cabinet body 2 is used for wiring the electric components in the adjacent small cabinet bodies 2, the dust-proof plate 17 is also covered in the wire passing hole 16 to prevent dust from entering the small cabinet bodies 2, the anti-collision plate 11 is a rubber plate to prevent collision between the adjacent small cabinet bodies 2, and the wire passing pipeline 14 on the anti-collision plate 11 can be jacked open the dust-proof plate 17 and inserted into the wire passing hole 16, so that the electric wire can conveniently pass through the wire passing pipeline 14.

The dustproof plate 17 is arranged on the inner wall of the small cabinet body 2 and is rotationally connected with the inner wall of the small cabinet body 2 through a rotating shaft 18, the rotating shaft 18 consists of a hinge and a torsion spring, the hinge is used for rotating the dustproof plate 17, the torsion spring is used for resetting the dustproof plate 17, when the wire passing pipeline 14 is drawn out from the wire passing hole 16, the rotating shaft 18 can pull the dustproof plate 17 to be attached to the inner wall of the wire passing hole 16 again for dust prevention, one side of the distributed cabinet body 1 provided with a cabinet door is a front side, the back side is provided with a heat dissipation assembly 6, the heat dissipation assembly 6 is communicated with the back side of each small cabinet body 2 through an air inlet nozzle 7, each heat dissipation assembly 6 comprises a ventilation pipe 8, an air collection cover 9 and a fan 10, the fan 10 is arranged inside the air collection cover 9, the air collection cover 9 is communicated with the air inlet nozzle 7 through the ventilation pipe 8, the air inlet nozzle 7 is, the whole distributed cabinet body 1 is blown by the fan 10, the air inlet nozzles 7 and the ventilation pipes 8 are added according to the number of the small cabinet bodies 2, when the fan 10 blows air, the air outside is sucked into the air collecting cover 9, then enters each small cabinet body 2 along the ventilation pipes 8, finally flows out of the heat dissipation port, circulation of outside air and air in the cabinet is achieved, and the heat dissipation effect is achieved.

The utility model discloses a theory of operation: select the little cabinet body 2 of corresponding quantity according to the in-service use condition, be connected through coupling mechanism 4 between the adjacent little cabinet body 2, and the electric component of every little cabinet body 2 inside connects through the electric wire that passes line pipeline 14, the back mounted air inlet nozzle 7 of every little cabinet body 2 again, wait to distributed cabinet body 1 concatenation back that finishes, reuse ventilation pipe 8 intercommunication every air inlet nozzle 7, when fan 10 blows, outside air can be along ventilation pipe 8 and air inlet nozzle 7 entering little cabinet body 2, blow off hot-air from the thermovent, accomplish the heat dissipation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a low pressure distributed photovoltaic is incorporated into power networks cabinet, includes the distributed cabinet body (1), its characterized in that: the distributed cabinet body (1) is formed by splicing a plurality of small cabinet bodies (2) in parallel, universal wheels (3) are installed at the bottom of each small cabinet body (2), every two adjacent small cabinet bodies (2) are connected through a connecting mechanism (4), each connecting mechanism (4) comprises a connecting frame (5), an anti-collision plate (11) and a connecting plate (12), the connecting frames (5), the anti-collision plates (11) and the two connecting plates (12) are installed at the top and the bottom of each small cabinet body (2) in a mutually perpendicular mode to form an I-shaped structure, the two adjacent small cabinet bodies (2) are connected in a mode that the connecting frames (5) are connected in an inserting mode through the connecting plates (12), the connecting plates (12) are fixed with the connecting frames (5) through fixing bolts (13), movable grooves (15) of long strip-shaped structures are formed in the connecting frames (5), and the fixing bolts (13) penetrate through the movable grooves (15) to be connected with the connecting plates (12), all set up on two lateral walls of cubicle body (2) and cross line hole (16), cross line hole (16) and seal through inside dust guard (17) of opening, line pipeline (14) are crossed in the mid-mounting of anticollision board (11), just cross line pipeline (14) with cross the activity grafting between the line hole (16).

2. The low-voltage distributed photovoltaic grid-connected cabinet according to claim 1, characterized in that: the dust guard (17) is arranged on the inner wall of the small cabinet body (2) and is rotatably connected with the inner wall of the small cabinet body (2) through a rotating shaft (18).

3. The low-voltage distributed photovoltaic grid-connected cabinet according to claim 2, characterized in that: the rotating shaft (18) consists of a hinge and a torsion spring, the hinge is used for rotating the dust guard (17), and the torsion spring is used for resetting the dust guard (17).

4. The low-voltage distributed photovoltaic grid-connected cabinet according to claim 1, characterized in that: the cabinet is characterized in that one side, provided with the cabinet door, of the distributed cabinet body (1) is a front side, the heat dissipation assembly (6) is installed on the back side, and the heat dissipation assembly (6) is communicated with the back side of each small cabinet body (2) through the air inlet nozzle (7).

5. The low-voltage distributed photovoltaic grid-connected cabinet according to claim 4, characterized in that: the heat dissipation assembly (6) comprises a ventilation pipe (8), a wind collecting cover (9) and a fan (10), the fan (10) is installed inside the wind collecting cover (9), and the wind collecting cover (9) is communicated with the air inlet nozzle (7) through the ventilation pipe (8).

6. The low-voltage distributed photovoltaic grid-connected cabinet according to claim 4, characterized in that: the air inlet nozzle (7) is of a horn-shaped structure, and the air inlet nozzle (7) and the heat dissipation opening in the front face of the small cabinet body (2) form air circulation.