CN207098950U - A kind of heat-radiating dustproof device for centralized photovoltaic DC-to-AC converter - Google Patents

Abstract

The utility model discloses a kind of heat-radiating dustproof device for centralized photovoltaic DC-to-AC converter,Including photovoltaic DC-to-AC converter body,The photovoltaic DC-to-AC converter body side is provided with control area,The control area both sides inwall bottom is connected with protection cap,The control area top is provided with neck,Protection cap side inwall is provided with buckle,The protection cap passes through the buckle and the neck clamping,The photovoltaic DC-to-AC converter bodies top is provided with radiator window,The radiator window both sides are all provided with fluted,Photovoltaic DC-to-AC converter body one end both sides are equipped with expansion link standing groove,The photovoltaic DC-to-AC converter bodies top is provided with dust cap,The dust cap both sides are equipped with telescopic strut,The utility model possesses dust cap,When inverter is out of service,Dust cap is pulled out,And whole radiator window is covered along groove,Effectively it can prevent sand and dust from falling into,Protection cap is set on control area simultaneously,Manipulation button can effectively be protected,And prevent from falling into dust in wiring hole.

Description

A heat dissipation and dust prevention device for centralized photovoltaic inverter

technical field

The utility model relates to the technical field of photovoltaic inverters, in particular to a heat dissipation and dustproof device for centralized photovoltaic inverters.

Background technique

Inverters, also known as power regulators, can be divided into two types: independent power supply and grid-connected use according to the use of inverters in photovoltaic power generation systems. According to the waveform modulation method, it can be divided into square wave inverter, ladder wave inverter, sine wave inverter and combined three-phase inverter. For inverters used in grid-connected systems, they can be divided into transformer-type inverters and non-transformer-type inverters according to the presence or absence of transformers.

Traditional centralized photovoltaic inverters are generally installed outdoors. The centralized photovoltaic inverter is equipped with ventilation and heat dissipation channels that communicate with the outside, but none of the ventilation and heat dissipation channels have a dust-proof function. When the inverter stops working or When the radiator stops dissipating heat, the sand and dust in the external environment can easily enter the inverter room through the heat dissipation channel, seriously affecting the use of the inverter.

Utility model content

The purpose of this utility model is to provide a heat dissipation and dustproof device for a centralized photovoltaic inverter, which is provided with a dustproof cover. When the inverter stops running, the dustproof cover is pulled out, and the entire Covering the heat dissipation window can effectively prevent sand and dust from falling into it. At the same time, a protective cover is set on the control area to effectively protect the control buttons and prevent dust from falling into the wiring hole.

In order to achieve the above purpose, the utility model provides the following technical solutions: a heat dissipation and dustproof device for a centralized photovoltaic inverter, including a photovoltaic inverter body, a control area is provided on one side of the photovoltaic inverter body, The bottom ends of the inner walls on both sides of the control area are movably connected with a protective cover, the top of the control area is provided with a card slot, and the inner wall of one side of the protective cover is provided with a buckle, and the protective cover is connected with the said buckle. The card slot is snapped in, the top of the photovoltaic inverter body is provided with a heat dissipation window, and both sides of the heat dissipation window are provided with grooves, and both sides of one end of the photovoltaic inverter body are provided with slots for placing telescopic rods. The top of the photovoltaic inverter body is provided with a dust cover, and the two sides of the dust cover are provided with telescopic poles. The telescopic poles are placed inside the slots for placing the telescopic poles. shaft connection.

Preferably, a dust-proof net is provided in the middle of the dust-proof cover, and a handle is provided at the top of the dust-proof cover.

Preferably, one side surface of the photovoltaic inverter body is provided with terminal posts, two of which are arranged vertically.

Preferably, a cooling fan is provided at the side end of the photovoltaic inverter body, and the cooling fan is located at one side of the terminal.

Preferably, the heat dissipation windows are evenly distributed on the top surface of the photovoltaic inverter body.

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

1. The utility model is provided with a dust-proof cover. When the inverter stops running, the dust-proof cover is pulled out, and the entire heat dissipation window is covered along the groove, which can effectively prevent sand and dust from falling.

2. The utility model can effectively protect the control button and prevent dust from falling into the wiring hole by setting a protective cover on the control area.

3. The utility model arranges a heat dissipation fan on the side of the photovoltaic inverter body. When the inverter is in use, turning on the heat dissipation fan can speed up the heat dissipation of the inverter.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the schematic diagram of the utility model after the protective cover and the dustproof cover are covered;

Fig. 3 is the enlarged schematic view of structure A of the present utility model;

Fig. 4 is a schematic cross-sectional view of the structure of the utility model.

In the figure: 1—PV inverter body, 2—control area, 3—protective cover, 4—card slot, 5—buckle, 6—terminal, 7—dust cover, 8—telescopic support rod, 9— Dust-proof net, 10-handle, 11-groove, 12-radiation window, 13-telescopic rod placement slot, 14-connecting shaft, 15-radiation fan.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a heat dissipation and dust-proof device for a centralized photovoltaic inverter, including a photovoltaic inverter body 1, and one side of the photovoltaic inverter body 1 A control area 2 is provided, the bottom of the inner wall on both sides of the control area 2 is movably connected with a protective cover 3, the top of the control area 2 is provided with a card slot 4, and the inner wall on one side of the protective cover 3 is provided with a buckle 5, The protective cover 3 is engaged with the card slot 4 through the buckle 5, and the top of the photovoltaic inverter body 1 is provided with a heat dissipation window 12, and both sides of the heat dissipation window 12 are provided with grooves 11, so that Both sides of one end of the photovoltaic inverter body 1 are provided with telescopic rod placement grooves 13, and the top of the photovoltaic inverter body 1 is provided with a dustproof cover 7, and both sides of the dustproof cover 7 are provided with telescopic poles 8 , the telescopic rod 8 is placed inside the telescopic rod placement groove 13 , and the bottom end of the telescopic rod 8 is connected by a connecting shaft 14 .

The middle part of the dust-proof cover 7 is provided with a dust-proof net 9, and the top of the dust-proof cover 7 is provided with a handle 10, by which the handle 10 is provided to facilitate pulling out the dust-proof cover 7.

One side surface of the photovoltaic inverter body 1 is provided with terminal posts 6, and there are two terminal posts 6, and the terminal posts 6 are arranged vertically.

The side end of the photovoltaic inverter body 1 is provided with a heat dissipation fan 15, and the heat dissipation fan 15 is located on one side of the terminal 6. When the inverter is in use, the heat dissipation fan 15 can be turned on to speed up the heat dissipation of the inverter.

The heat dissipation windows 12 are evenly distributed on the top surface of the photovoltaic inverter body 1 .

Working principle: a heat dissipation and dust-proof device for centralized photovoltaic inverters. When in use, turn on the heat dissipation fan 15 at the side end of the photovoltaic inverter body 1 to quickly dissipate the hot air inside the inverter from the heat dissipation window 12 To discharge, when the photovoltaic inverter body 1 is not in use, hold the handle 10, pull the dust cover 7 out of the telescopic rod placement groove 13, and cover the entire heat dissipation window 12 along the groove 11, which can effectively To effectively prevent sand and dust from falling, and at the same time cover the protective cover 3 on the control area 2, which can effectively protect the control buttons inside the control area 2 and prevent dust from falling into the wiring hole.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (5)

1. a kind of heat-radiating dustproof device for centralized photovoltaic DC-to-AC converter, including photovoltaic DC-to-AC converter body (1), its feature exist In：Photovoltaic DC-to-AC converter body (1) side is provided with control area (2), and control area (2) the both sides inwall bottom is connected with Protection cap (3), control area (2) top are provided with neck (4), and protection cap (3) side inwall is provided with buckle (5), institute State protection cap (3) and radiating is provided with by the buckle (5) and the neck (4) clamping, photovoltaic DC-to-AC converter body (1) top Window (12), radiator window (12) both sides are all provided with fluted (11), and photovoltaic DC-to-AC converter body (1) one end both sides, which are equipped with, stretches Contracting bar standing groove (13), photovoltaic DC-to-AC converter body (1) top are provided with dust cap (7), and dust cap (7) both sides are equipped with Telescopic strut (8), the telescopic strut (8) are placed on expansion link standing groove (13) inside, telescopic strut (8) bottom Connected by connecting shaft (14).

A kind of 2. heat-radiating dustproof device for centralized photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：Institute State dust cap (7) middle part and be provided with Air Filter (9), dust cap (7) top is provided with handle (10).

A kind of 3. heat-radiating dustproof device for centralized photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：Institute State the side surface of photovoltaic DC-to-AC converter body (1) one and be provided with binding post (6), the binding post (6) is provided with two, and the binding post (6) it is in be vertically arranged.

A kind of 4. heat-radiating dustproof device for centralized photovoltaic DC-to-AC converter according to claim 3, it is characterised in that：Institute State photovoltaic DC-to-AC converter body (1) side and be provided with cooling fan (15), the cooling fan (15) is located at the one of the binding post (6) Side.

A kind of 5. heat-radiating dustproof device for centralized photovoltaic DC-to-AC converter according to claim 1, it is characterised in that：Institute Radiator window (12) is stated to be evenly distributed on the dome top surface of the photovoltaic DC-to-AC converter body (1).