CN215378775U

CN215378775U - Photovoltaic energy storage inverter with good heat dissipation performance

Info

Publication number: CN215378775U
Application number: CN202121816151.6U
Authority: CN
Inventors: 陈伟寰; 王国庆; 印超; 钱志刚
Original assignee: Shenzhen Soro Electronics Co ltd
Current assignee: Shenzhen Soro Electronics Co ltd
Priority date: 2021-08-04
Filing date: 2021-08-04
Publication date: 2021-12-31
Anticipated expiration: 2031-08-04

Abstract

The utility model relates to a good heat dissipation's photovoltaic energy storage dc-to-ac converter belongs to photovoltaic energy storage equipment's field, including the dc-to-ac converter main part, the dc-to-ac converter main part back is provided with the multi-disc fin, the dc-to-ac converter main part back is provided with the dryer, be provided with the hair-dryer of blowing in to the dryer on the lateral wall of dryer one side, be provided with a plurality of air outlets just to the fin on the dryer lateral wall. The application improves the heat dissipation effect of the photovoltaic energy storage inverter.

Description

Photovoltaic energy storage inverter with good heat dissipation performance

Technical Field

The application relates to the field of photovoltaic energy storage equipment, in particular to a photovoltaic energy storage inverter with good heat dissipation performance.

Background

The photovoltaic energy storage inverter can convert variable direct-current voltage generated by the photovoltaic solar panel into alternating current with commercial power frequency, can feed back the alternating current to a commercial power transmission system or can be used by an off-grid power grid, is provided with an energy storage battery, can work off the grid, and is switched into a battery power supply mode to supply power to a load.

At present, a photovoltaic energy storage inverter is provided with a radiating fin for accelerating heat dissipation.

For the related technologies, the inventor thinks that the natural heat dissipation process of the photovoltaic energy storage inverter through the heat dissipation fins is slow, the heat dissipation effect is poor, and the normal use of the photovoltaic energy storage inverter may be affected.

SUMMERY OF THE UTILITY MODEL

In order to improve photovoltaic energy storage inverter's radiating effect, this application provides a good heat dissipation's photovoltaic energy storage inverter.

The application provides a good heat dissipation's photovoltaic energy storage inverter adopts following technical scheme:

the photovoltaic energy storage inverter with good heat dissipation performance comprises an inverter main body, wherein a plurality of cooling fins are arranged on the back face of the inverter main body, an air duct is arranged on the back face of the inverter main body, a blower blowing air into the air duct is arranged on the side wall of one side of the air duct, and a plurality of air outlets facing the cooling fins are formed in the side wall of the air duct.

Through adopting above-mentioned technical scheme, the heat that the scattered dc-to-ac converter main part produced is accelerated to the fin, and the back of blowing in the dryer, wind blows off and takes away the heat on the fin from the air outlet, further accelerates the heat to scatter and disappear, reduces the temperature of dc-to-ac converter main part, improves the radiating effect of photovoltaic energy storage dc-to-ac converter.

Optionally, each air outlet faces a gap between two adjacent cooling fins.

By adopting the technical scheme, after the air flows through the gap between the two radiating fins, a plurality of independent air channels are formed, the heat around the radiating fins can be taken away quickly, and the cooling effect is improved.

Optionally, the air duct is located below the heat dissipation fins.

By adopting the technical scheme, because the heat flows from bottom to top, the wind blows upwards from bottom to top and more conforms to the temperature loss rule.

Optionally, a distance is formed between the air duct and the heat dissipation fins.

By adopting the technical scheme, the noise generated by the fact that the blowing position is too close to the bottom edge of the radiating fin is reduced.

Optionally, a baffle is fixed on the side wall of the air duct far away from the side of the inverter main body, and one end of the baffle far away from the air duct extends to one side of the heat sink far away from the inverter main body.

Through adopting above-mentioned technical scheme, the baffle shelters from in air outlet and fin outside, gathers together wind to the gap between the double-phase adjacent fin in, concentrates wind-force, improves the cooling effect.

Optionally, the inner wall of the air duct is provided with sound absorbing cotton.

Through adopting above-mentioned technical scheme, when the fan started, produced the noise in the dryer, inhale the noise that the sound cotton reduced the dryer and produced.

Optionally, the inverter main body is connected with a mounting plate for hanging the inverter main body on a wall, the mounting plate is located on one side, away from the inverter main body, of the radiating fin, and the mounting plate is provided with a hanging hole.

By adopting the technical scheme, after the mounting plate is hung on the wall, the inverter main body is mounted on the wall, so that the mounting is facilitated.

Optionally, at least one bottom plate is arranged on the side walls of the two sides of the inverter main body respectively, a connecting frame is connected between the bottom plate and the mounting plate, one end of the connecting frame is mounted on the bottom plate, and the other end of the connecting frame is mounted on the mounting plate.

Through adopting above-mentioned technical scheme, the link couples together mounting panel and dc-to-ac converter main part, convenient to install and dismantle.

Optionally, a heat insulation plate is arranged on one side of the mounting plate close to the inverter main body.

Through adopting above-mentioned technical scheme, when photovoltaic energy storage inverter hung on the wall, the heat insulating board reduces because of steam is close to the possibility that the wall makes the wall yellow for a long time.

Optionally, a top plate extending to above the heat sink is arranged on the top of the mounting plate.

Through adopting above-mentioned technical scheme, the roof shelters from in the fin top, reduces the possibility of piling up the dust on the fin, improves the thermal diffusivity.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the heat dissipation of the inverter main body is accelerated by the heat dissipation plate, after the blower blows air into the air duct, the air blows out from the air outlet and takes away the heat on the heat dissipation plate, the heat dissipation is further accelerated, the temperature of the inverter main body is reduced, and the heat dissipation effect of the photovoltaic energy storage inverter is improved;

2. after the air flows through the gaps between the two radiating fins, a plurality of independent air channels are formed, so that the heat around the radiating fins can be quickly taken away, and the cooling effect is improved.

Drawings

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

Fig. 2 is an exploded view showing a connection structure of a mounting plate and a connection frame in the present application.

Fig. 3 is a schematic structural diagram of an air duct embodying the present application.

Fig. 4 is a sectional view of the sound absorbing cotton in the wind tunnel according to the present invention.

Description of reference numerals: 1. an inverter main body; 2. a heat dissipation cavity; 3. a heat sink; 4. mounting a plate; 41. hanging holes; 42. a top plate; 5. a base plate; 6. a connecting frame; 7. an air duct; 71. an air outlet; 72. a baffle plate; 8. a fan; 9. sound-absorbing cotton; 10. an insulating panel.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses good heat dissipation's photovoltaic energy storage inverter. Referring to fig. 1 and 2, the photovoltaic energy storage inverter includes an inverter main body 1, a heat dissipation chamber 2 is disposed in the center of the back of the inverter main body 1, a plurality of heat dissipation fins 3 are disposed around the heat dissipation chamber 2, a mounting plate 4 is further mounted on the inverter main body 1, the mounting plate 4 is located on one side of the heat dissipation fins 3 away from the inverter main body 1, a hanging hole 41 is formed in the mounting plate 4, and the photovoltaic energy storage inverter can be hung on a nail of a wall through the hanging hole 41.

The heating element of energy storage inverter sets up in heat dissipation chamber 2, and the heat distributes through fin 3 around faster, improves cooling radiating rate.

The heat sink 3 is perpendicular to the back surface of the inverter body 1 and extends in the vertical direction. A gap is reserved between one end of the radiating fin 3 close to the side wall of the radiating cavity 2 and the side wall of the radiating cavity 2. The heat dissipation cavity 2 and the heat dissipation fins 3 can be made of metal materials, and heat dissipation performance is improved.

A bottom plate 5 is fixed on each of the side walls of the inverter body 1 near the back surface, and the mounting plate 4 is mounted on the bottom plate 5 through a connecting frame 6. The two ends of the connecting frame 6 are bent, one end of the connecting frame is fixed on the bottom plate 5 through a bolt, and the other end of the connecting frame is fixed on the mounting plate 4 through a bolt. A top plate 42 is fixed on the top of the mounting plate 4, the top plate 42 is an arc plate bent downwards, and the top plate 42 is positioned above the heat radiating fins 3 and has a dustproof effect. A gap is formed between the top plate 42 and the heat sink 3, and heat is easily dissipated from the gap to the outside.

Referring to fig. 1, the mounting plate 4 is spaced apart from the heat sink 3 and the heat dissipation chamber 2 such that the heat sink 3 has sufficient space to contact air. In addition, because the energy storage inverter is generally hung on a wall surface, the wall surface is easily yellowed due to the heat generated by the energy storage inverter, and therefore, the heat insulation plate 10 is arranged on one side of the mounting plate 4 close to the inverter main body 1, and the heat insulation plate 10 can be made of a material with low heat conduction such as plastics or ceramics.

Referring to fig. 2 and 3, an air duct 7 is arranged on the back of the inverter main body 1, the air duct 7 is arranged below the heat dissipation fins 3, the air duct 7 is hollow, a fan 8 is mounted on the side wall of one end of the air duct 7, a plurality of air outlets 71 are formed in the side wall of the air duct 7 close to the heat dissipation fins 3, and each air outlet 71 is opposite to a gap between two adjacent heat dissipation fins 3. After the fan 8 is started, the wind blows out from the wind barrel 7 through the wind outlet 71 and then blows to the gap between the two radiating fins 3, so that the heat dissipation speed on the radiating fins 3 is accelerated.

And a gap is reserved between the top surface of the air duct 7 and the bottom surface of the radiating fin 3, so that the possibility of noise generated when wind blows to the radiating fin 3 too much due to close distance is reduced. A baffle plate 72 is fixed on the side wall of the air duct 7 far away from one side of the inverter main body 1, one end of the baffle plate 72 far away from the air duct 7 is lapped on the radiating fins 3, wind is gathered between the two adjacent radiating fins 3, and the cooling effect is improved.

Referring to fig. 4, a layer of sound absorption cotton 9 is attached to the inner wall of the air duct 7, when the fan 8 is started, noise generated when the fan 8 and air are blown out from the air outlet 71 is reduced, and the energy storage inverter operates in a mute mode.

The implementation principle of the photovoltaic energy storage inverter with good heat dissipation performance is as follows: photovoltaic inverter accessible hitching hole 41 hangs on the nail of wall, and heating element sets up in heat dissipation chamber 2, and the heat is passed through heat dissipation chamber 2 and fin 3 effluvium. When the fan 8 is started, wind blows to the gap between two adjacent radiating fins 3 through the air outlet 71, and takes away heat around the radiating fins 3 and the radiating cavity 2.

The sound-absorbing cotton 10 reduces noise generated by the air duct 7, and silent heat dissipation is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The photovoltaic energy storage inverter with good heat dissipation performance comprises an inverter main body (1), wherein a plurality of cooling fins (3) are arranged on the back surface of the inverter main body (1), and the photovoltaic energy storage inverter is characterized in that: the air duct (7) is arranged on the back face of the inverter main body (1), a blower (8) blowing air into the air duct (7) is arranged on the side wall of one side of the air duct (7), and a plurality of air outlets (71) opposite to the radiating fins (3) are formed in the side wall of the air duct (7).

2. The photovoltaic energy storage inverter with good heat dissipation performance of claim 1, wherein: each air outlet (71) is over against the gap between two adjacent radiating fins (3).

3. The photovoltaic energy storage inverter with good heat dissipation performance of claim 1, wherein: the air duct (7) is located below the radiating fins (3).

4. The photovoltaic energy storage inverter with good heat dissipation performance of claim 3, wherein: and a distance is reserved between the air duct (7) and the radiating fins (3).

5. The photovoltaic energy storage inverter with good heat dissipation performance of claim 4, wherein: the side wall of the air duct (7) far away from one side of the inverter main body (1) is fixedly provided with a baffle (72), and one end, far away from the air duct (7), of the baffle (72) extends to one side, far away from the inverter main body (1), of the radiating fin (3).

6. The photovoltaic energy storage inverter with good heat dissipation performance of claim 1, wherein: and sound absorption cotton (9) is arranged on the inner wall of the air duct (7).

7. The photovoltaic energy storage inverter with good heat dissipation performance of claim 1, wherein: be connected with mounting panel (4) that are used for hanging inverter body (1) on the wall on inverter body (1), one side that inverter body (1) were kept away from in mounting panel (4) are located fin (3), be provided with on mounting panel (4) and hang hole (41).

8. The photovoltaic energy storage inverter with good heat dissipation performance of claim 7, wherein: the inverter is characterized in that at least one bottom plate (5) is arranged on the side walls of the two sides of the inverter main body (1), a connecting frame (6) is connected between the bottom plate (5) and the mounting plate (4), one end of the connecting frame (6) is mounted on the bottom plate (5), and the other end of the connecting frame is mounted on the mounting plate (4).

9. The photovoltaic energy storage inverter with good heat dissipation performance of claim 7, wherein: and a heat insulation plate (10) is arranged on one side, close to the inverter main body (1), of the mounting plate (4).

10. The photovoltaic energy storage inverter with good heat dissipation performance of claim 7, wherein: the top of the mounting plate (4) is provided with a top plate (42) extending to the upper part of the radiating fin (3).