CN210956347U

CN210956347U - Reactor device

Info

Publication number: CN210956347U
Application number: CN201922050030.4U
Authority: CN
Inventors: 李久成; 王晓虎
Original assignee: Sungrow Power Supply Co Ltd
Current assignee: Sungrow Power Supply Co Ltd
Priority date: 2018-12-10
Filing date: 2019-11-22
Publication date: 2020-07-07
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses a reactor device, including box, insulating barrier and install the reactor body in the box, insulating barrier sets up in the box, and is used for being first box and second box with the box internal interval, is seal chamber in the second box, and the reactor body is installed in first box, and the input wiring end and the output wiring end of reactor body stretch out to the second box through insulating barrier, hold the chamber for electrified body device in the second box. In the reactor device that this application provided, separate sealed second box at the box internal interval through insulating barrier, the input wiring end and the output wiring end of reactor body stretch out to the second box through insulating barrier, install other electrified body devices in the second box, avoid external impurity to get into the electrified body device condition of second box pollution through first box effectively, improve photovoltaic inverter protection level, prolonged photovoltaic inverter life.

Description

Reactor device

The present application claims priority of chinese patent application having application number 201822068660.X and utility model name "reactor device" filed in 2018, 12, month 10, and part of the contents of which is incorporated herein by reference.

Technical Field

The utility model relates to a reactor protection technical field, in particular to reactor device.

Background

The reactor is also called as an inductor, is necessary equipment in a high-power photovoltaic inverter, mainly plays a role in filtering, can enable the current passing through a device and a terminal to be more stable, and can maintain the stable operation of an inverter system.

In the use, traditional reactor device includes the box and installs the reactor body in the box, is equipped with input wiring end and output wiring end on the reactor body, is connected with other electrified body devices through input wiring end and output wiring end, and electrified body device also sets up in the box, and is equipped with the structure of shutter and ventilation hole etc. and external intercommunication on the box.

However, because the environment in the box communicates with each other with the external world, impurity very easily gets into inside the box, because electrified body device is connected with input wiring end and output wiring end electricity, and is located the box, inside some electrified body devices that protection level is lower that impurity easily gets into the core device, causes electrified body device harm, shortens the life of dc-to-ac converter.

Therefore, how to prolong the service life of the inverter is a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reactor device to prolong the life of dc-to-ac converter.

In order to achieve the purpose, the utility model provides a reactor device, include the box and install reactor body in the box is still including setting up in the box, and be used for with the interval is the insulating barrier of first box and second box in the box, be seal chamber in the second box, the reactor body is installed in the first box, just the input wiring end and the output wiring end of reactor body pass through insulating barrier stretch out to the second box, hold the chamber for electrified body device in the second box.

Preferably, the reactor body comprises an iron core and a coil wound on the iron core, the coil is arranged in a multilayer manner along a direction perpendicular to the winding direction of the coil, and a heat dissipation space is arranged in the middle of the coil.

Preferably, the surface of the coil and the surface of the heat dissipation space are both provided with insulating layers.

Preferably, the coil is cast in one piece by an insulating adhesive.

Preferably a clip mounted on an end of said coil.

Preferably, the side wall of the first box body is provided with heat dissipation holes communicated with the outside.

Preferably, the air-conditioning system further comprises a heat dissipation device communicated with the inside of the second box body, a closed cavity is formed between an inner cavity of the heat dissipation device and the second box body, and the heat dissipation device comprises an aluminum foil type air heat exchanger assembly.

Preferably, the input terminal and the output terminal are both provided with insulating protective sleeves.

Preferably, the number of the input terminals is equal to that of the output terminals, the input terminals and the output terminals are located on the same side of the reactor body, and the input terminals and the output terminals are arranged in a one-to-one correspondence manner.

Preferably, the input terminal and the output terminal are respectively located at the top end and the bottom end of the side face of the reactor body, and the input terminal and the output terminal are arranged in a one-to-one up-and-down correspondence manner.

In the technical scheme, the utility model provides a reactor device includes box, insulating barrier and installs the reactor body in the box, and insulating barrier sets up in the box, and is used for being first box and second box with the box internal interval, is seal chamber in the second box, and the reactor body is installed in first box, and the input wiring end and the output wiring end of reactor body stretch out to the second box through insulating barrier, hold the chamber for electrified body device in the second box.

According to the reactor device, the sealed second box body is separated in the box body through the insulating partition plate, the input wiring end and the output wiring end of the reactor body stretch out of the second box body through the insulating partition plate, other electrified body devices are installed in the second box body, the situation that external impurities enter the second box body through the first box body to pollute the electrified body devices is effectively avoided, the protection grade of the photovoltaic inverter is improved, and the service life of the photovoltaic inverter is prolonged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a reactor body according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a reactor device according to an embodiment of the present invention;

figure 3 is a top view of the reactor arrangement shown in figure 2;

fig. 4 is a schematic structural diagram of a heat dissipation device according to an embodiment of the present invention.

Wherein in FIGS. 1-4: 1. a foot margin assembly; 2. a coil; 3. an iron core; 4. a clamp; 5. an input terminal; 6. an output terminal; 7. an insulating spacer; 8. a first case; 9. a second case;

10-1, metal plates; 10-2, a first fan; 10-3, a heat exchanger; 10-4 and a second fan.

Detailed Description

The core of the utility model is to provide a reactor device to prolong the life of dc-to-ac converter.

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and embodiments.

Please refer to fig. 1 to fig. 4.

In a specific implementation manner, the utility model discloses reactor device that specific embodiment provided includes box, insulating barrier 7 and installs the reactor body in the box, and insulating barrier 7 sets up in the box, and is used for holding the chamber for electrified body device in the box interval for first box 8 and second box 9, and of course, in concrete use, can also isolate other cavity structures in the box, and is decided according to actual need. Specifically, the lateral wall of the first box body 8 is provided with heat dissipation holes communicated with the outside, specifically, a blind window can be arranged, and certainly, the lateral wall of the first box body 8 is provided with a door body for facilitating installation of other electrical appliance structures.

In order to facilitate the installation of the reactor body, preferably, the bottom end of the reactor body is installed at the bottom of the first box 8 through the anchor assembly 1, and specifically, the anchor assembly 1 can be installed on the first box 8 through bolts.

Insulating barrier 7 can have insulating material processing to form, and in order to facilitate the maintenance reactor body, the preferred, insulating barrier 7 can be dismantled with the box side and be connected.

Be sealed cavity in the second box 9, the reactor body is installed in first box 8, and the input wiring end 5 and the output wiring end 6 of reactor body stretch out to second box 9 through insulating barrier 7, and second box 9 is high protection cavity. In order to improve the conductive stability, preferably, the input terminal 5 and the output terminal 6 are copper bar terminals, other charged body structures electrically connected with the input terminal 5 and the output terminal 6 are placed in the second box 9, the input terminal 5 and the output terminal 6 of the reactor body extend out of the second box 9 through the insulating partition 7, the first box 8 is formed into an uncharged box, the second box 9 is a charged box, the sealing performance of the second box 9 is guaranteed, the protection grade is improved, and the protection grade is generally guaranteed to be above IP 65.

It can be known from the above description that in the reactor device provided in this embodiment of the present application, the sealed second box 9 is separated in the box through the insulating barrier 7, and place the reactor body in the first box 8, avoid the condition that external impurities pollute the reactor body effectively, effectively improve the dustproof of device in the second box 9, antifouling grade, guarantee the cavity leakproofness of second box 9, the input wiring end and the output wiring end of reactor body stretch out to the second box through the insulating barrier, install other electrified body devices in the second box, avoid external impurities to enter the electrified body device condition of second box pollution through first box effectively, improve photovoltaic inverter protection grade, photovoltaic inverter life has been prolonged.

Specifically, the reactor body includes iron core 3 and coil 2 of winding on iron core 3, and preferably, iron core 3 is the rectangle iron core, and coil 2 is the multilayer along the 2 winding directions of perpendicular to coil and arranges, is equipped with the heat dissipation space in the middle of coil 2. Preferably, the heat dissipation space is communicated with the space in the first box body 8 from top to bottom, so that the overall heat dissipation performance of the reactor body is improved. In order to improve the winding stability of the coil 2, it is preferable that the coil 2 is integrally cast by an insulating adhesive.

In order to improve the dust-proof and water-proof performance of the coil 2, it is preferable that the surface of the coil 2 and the surface of the heat dissipation space are provided with insulating layers. Of course, the entire outer surface of the reactor body may be provided with the insulating layer.

Specifically, the insulating layer is an insulating paint layer, and workers can directly coat insulating paint on the surface to form the insulating layer.

In order to improve the mounting stability of the coil 2, it is preferable that the reactor device further includes a clip 4 mounted on an end of the coil 2.

Preferably, the reactor device further comprises a heat dissipation device communicated with the inside of the second box 9, and a closed cavity is formed between an inner cavity of the heat dissipation device and the second box 9.

The heat sink includes a heat exchanger 10-3, a first fan 10-2 and a second fan 10-4, wherein the heat exchanger 10-3 may be an aluminum foil type air heat exchanger assembly. Specifically, when the external environment temperature is lower than the environment temperature in the cavity of the second box 9, the first fan 10-2 outside the heat exchanger 10-3 sucks external cold air a1, the second fan 10-4 inside the heat exchanger 10-3 sucks hot air B1 in the cavity of the second box 9, heat exchange is performed through a fin type aluminum foil in the heat exchanger 10-3, the air in the second box 9 which is pumped out for cooling becomes cold air B2 and enters the second box 9 again, and the external air becomes hot air a2 and is discharged to the external air, so that the cold and heat exchange of the second box 9 with high protection is realized. Specifically, the first fan 10-2 may be disposed on a reactor device case or a system overall case, and blows cold air directly onto a heat exchanger 10-3 fin-type aluminum foil, and meanwhile, the inner fan 10-4 sucks hot air in the cavity onto the aluminum foil, and performs heat and cold exchange through the heat exchanger aluminum foil.

The fixing of the first fan 10-2 and the second fan 10-4 and the sealing of the heat exchanger 10-3 are realized by a sheet metal component 10-1. It should be noted that the direction of the internal and external forced air cooling channel can be changed, and is not limited to the internal downward in and out and the external upward in and out, but also can be the internal upward in and out and the external downward in and out.

The heat dissipation of high protection second box 9 only carries out the energy exchange through the heat exchanger of one side, and gas does not circulate with external world in the box, realizes the heat transfer of inside air flow, avoids low protection level power device direct and adverse circumstances contact to avoid the cold wind that receives the pollution to cause the harm to low protection level power device, and high protection second box 9 can effectively protect the low protection level power device in it, and then has improved the whole protection level of reactor device, has prolonged the life-span of dc-to-ac converter.

Of course, in order to further improve the heat dissipation performance, the first box 8 is provided with an external circulation heat dissipation device communicated with the outside, and specifically, the internal devices can be cooled by conveying gas into the first box 8 through the fan.

In order to further improve the safety of use of the reactor arrangement and to improve the protection level, it is preferred that both the input terminal 5 and the output terminal 6 of the reactor arrangement are provided with insulating sheaths.

For the convenience of reactor connection, preferably, the number of the input terminals 5 is equal to that of the output terminals 6, the input terminals 5 are located on the same side of the reactor body, and the output terminals 6 are arranged in a one-to-one correspondence manner.

More preferably, the input terminal 5 and the output terminal 6 are respectively located at the top end and the bottom end of the side face of the reactor body, and the input terminal 5 and the output terminal 6 are arranged in one-to-one up-and-down correspondence.

Sealed second box 9 is only separated out through insulating barrier 7 to this application for reactor device overall structure is simple, the installation of being convenient for, and has advantages such as follow-up maintenance is simple. Specifically, in order to facilitate the detachment and installation of the insulating spacer 7, the insulating spacer 7 may be processed in a split structure. In order to facilitate the mounting and dismounting of other charged body structures in the second box 9, it is preferable that a door is provided on the side wall of the second box 9.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. 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 invention. Thus, the present invention 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. The utility model provides a reactor device, includes the box and installs reactor body in the box, its characterized in that still including setting up in the box, and be used for with interval is insulating barrier (7) of first box (8) and second box (9) in the box, be sealed cavity in second box (9), the reactor body is installed in first box (8), just input wiring end (5) and output wiring end (6) of reactor body pass through insulating barrier (7) stretch out to second box (9), hold the chamber for electrified body device in second box (9).

2. The reactor device according to claim 1, characterized in that the reactor body includes an iron core (3) and a coil (2) wound on the iron core (3), the coil (2) is arranged in multiple layers in a direction perpendicular to a winding direction of the coil (2), and a heat dissipation space is provided in the middle of the coil (2).

3. An inductor arrangement according to claim 2, characterized in that both the coil (2) surface and the heat dissipation space surface are provided with an insulating layer.

4. An inductor arrangement according to claim 2, characterized in that the coil (2) is cast in one piece by means of an insulating adhesive.

5. An inductor arrangement according to claim 2, characterized by further comprising a clip (4) mounted at an end of the coil (2).

6. A reactor device according to claim 1, characterized in that the side wall of the first tank (8) is provided with heat radiation holes communicating with the outside.

7. An inductor device according to claim 1, characterized by further comprising a heat sink communicating with the interior of the second tank (9), the inner cavity of the heat sink forming a closed cavity with the interior of the second tank (9), the heat sink comprising an aluminum foil type air heat exchanger assembly.

8. An inductor arrangement according to any of claims 1-7, characterized in that both the input terminal (5) and the output terminal (6) are provided with an insulating protective sheath.

9. An inductor arrangement according to claim 8, characterized in that said input terminals (5) and said output terminals (6) are equal in number and located on the same side of the reactor body, said input terminals (5) and said output terminals (6) being arranged in one-to-one correspondence.

10. The reactor device according to claim 9, characterized in that the input terminals (5) and the output terminals (6) are located at the top and bottom ends of the side of the reactor body, respectively, and the input terminals (5) and the output terminals (6) are arranged in one-to-one correspondence from top to bottom.