CN211321291U - A photovoltaic inverter with good heat dissipation - Google Patents

Abstract

The utility model relates to the technical field of photovoltaic inverters, and discloses a photovoltaic inverter with good heat dissipation. , heat absorbing sheet, heat absorbing plate and bending pipe, the structure of the utility model is reasonable, the heat dissipation is uniform and efficient, and the dustproof effect is good. Through the rotation of the cooling fan, the heat absorption sheet can be absorbed in the photovoltaic inverter housing The rear heat has a rapid heat dissipation function, the heat dissipation air duct is set reasonably, and the dustproof effect is good. At the same time, the heat transfer efficiency can be greatly improved by the configuration of the heat conduction plate and the bending tube on the heat dissipation plate, which is conducive to the efficient heat dissipation. Therefore, the overall heat dissipation performance of the device is improved. In summary, the photovoltaic inverter has high thermal conductivity and heat dissipation effect, and achieves efficient heat dissipation, which is beneficial to the long-term use of the photovoltaic inverter, and has a very high efficiency. good usability.

Description

A photovoltaic inverter with good heat dissipation

technical field

The utility model relates to the technical field of photovoltaic inverters, in particular to a photovoltaic inverter with good heat dissipation.

Background technique

Inverter, also known as power regulator, can be divided into independent power supply and grid-connected use according to the use of inverter in photovoltaic power generation system, and can be divided into square wave inverter and ladder wave according to the waveform modulation method. Inverters, sine wave inverters and combined three-phase inverters, for inverters used in grid-connected systems, can be divided into transformer-type inverters and transformer-less inverters according to the presence or absence of transformers. In the solar power generation system, the efficiency of the photovoltaic inverter is an important factor that determines the capacity of the solar cell and the capacity of the battery.

However, the traditional photovoltaic inverter will generate a lot of heat while working. The existing photovoltaic inverter has no heat dissipation function and the basic heat dissipation performance is poor, which affects the efficiency of the photovoltaic inverter, and the traditional photovoltaic inverter dissipates heat. The dustproof effect of the hole is general. If there is a lot of dust inside the photovoltaic inverter, it will also affect the heat dissipation effect and normal work. For this reason, we propose a photovoltaic inverter with good heat dissipation.

Utility model content

The utility model provides a photovoltaic inverter with good heat dissipation, which aims to have dust-proof function and good heat dissipation performance, so that the photovoltaic inverter is more energy-saving and efficient when working, and is conducive to long-term heat dissipation.

In order to realize the above-mentioned technical purpose and achieve the above-mentioned technical effect, the present invention is realized through the following technical solutions:

A photovoltaic inverter with good heat dissipation, comprising a photovoltaic inverter casing, a photovoltaic inverter is installed in the photovoltaic inverter casing, and characterized in that: the left side of the photovoltaic inverter casing An installation frame body is provided, a heat dissipation plate is fixedly installed on the right inner wall of the installation frame body, a heat dissipation fan is centrally arranged in the inner cavity of the installation frame body, and the heat dissipation plate is fixedly connected to the right side wall of the heat dissipation fan. Mounting plates are fixedly installed on the outer walls of the top and bottom of the heat dissipation plate, mounting bolts are installed in holes on the mounting plate, and the ends of the mounting bolts are connected to the side walls of the photovoltaic inverter housing. A heat-absorbing plate is fixedly installed on the left outer wall, a heat-conducting plate is fixedly installed on the right outer wall of the heat-dissipating plate, a vertical plate is fixedly installed on the right outer wall of the heat-conducting plate, and a right outer wall of the vertical plate is fixedly installed There is a heat absorbing sheet, an air inlet pipe is fixedly installed on the top opening of the photovoltaic inverter casing, a top shell is fixedly installed on the top outer wall of the photovoltaic inverter casing, and the top of the air inlet pipe extends To the inner cavity of the top case, a ventilation port is opened on the bottom outer wall of the top case.

Preferably, in the above photovoltaic inverter with good heat dissipation, a curved pipe is installed on the heat dissipation plate, the curved pipe is composed of a parallel pipe and a curved pipe, and the curved pipe is arranged in an S shape as a whole, And the bending tube is filled with cooling liquid.

Based on the above technical features, the heat dissipation plate can improve the heat conduction efficiency and the heat dissipation effect through the arrangement of the curved tubes.

Preferably, in the above photovoltaic inverter with good heat dissipation, a heat absorbing block is laterally installed on the side wall of the heat absorbing plate, and the heat absorbing block in the heat absorbing plate extends to the parallel pipe portion of the curved pipe superior.

Based on the above technical features, by extending the heat absorption plate, the heat on the heat dissipation plate can be effectively transferred to the installation frame.

Preferably, in the above-mentioned photovoltaic inverter with good heat dissipation, at least four through pipes are installed on the side wall of the heat dissipation plate in an up-down symmetrical manner, the through pipes are installed horizontally and horizontally, and the through pipes are installed horizontally and horizontally. The left end of the duct is arranged outside the side wall of the heat absorbing plate, and the other end of the through pipe is arranged outside the heat absorbing sheet.

Based on the above technical features, through the installation of the through pipe, the convection effect in the photovoltaic inverter casing is accelerated, which is beneficial to the heat dissipation and ventilation work.

Preferably, in the above-mentioned photovoltaic inverter with good heat dissipation, the left outer wall of the installation frame is equally divided into heat dissipation holes from top to bottom, and the left outer wall of the installation frame is fixedly installed There is a dust-proof net, and the dust-proof net covers the heat dissipation holes.

Based on the above technical features, the dustproof effect during heat dissipation is guaranteed through the setting of the heat dissipation holes and the dustproof net.

Preferably, in the above photovoltaic inverter with good heat dissipation, the cross-section of each of the heat dissipation holes is arranged in a transverse isosceles trapezoid, and the short sides of each of the heat dissipation holes are disposed close to the dust-proof net.

Based on the above technical features, the cross-sections passing through the heat dissipation holes are all arranged in a horizontal isosceles trapezoid shape, so as to facilitate the exhaust air of the heat dissipation fan in the installation frame on the right side of the heat dissipation holes.

The beneficial effects of the utility model are as follows: the structure of the utility model is reasonable, the heat dissipation is uniform and efficient, and the dustproof effect is good. The heat dissipation function of the heat dissipation air duct is reasonable, and the dustproof effect is good. At the same time, the heat transfer efficiency can be greatly improved by the configuration of the heat conduction plate and the bending tube on the heat dissipation plate, which is conducive to the efficient dissipation of heat and improves the The overall heat dissipation performance of this device, in summary, this photovoltaic inverter has high thermal conductivity and heat dissipation effect, and achieves efficient heat dissipation, which is beneficial to the long-term use of this photovoltaic inverter, and has good practicability .

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings required for the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Fig. 1 is the overall structure schematic diagram of the present utility model;

Fig. 2 is the enlarged view of the utility model Fig. 1 place A;

FIG. 3 is a sectional view of the utility model at B-B in FIG. 1 .

In the accompanying drawings, the list of components represented by each number is as follows:

1. Photovoltaic inverter housing; 2. Installation frame; 3. Cooling plate; 4. Cooling fan; 5. Air inlet pipe; 6. Top shell; 7. Vents; 8. Mounting plate; sheet; 10, vertical plate; 11, heat conduction plate; 12, mounting bolts; 13, heat absorption plate; 14, bending pipe; 15, through pipe;

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, this embodiment is a photovoltaic inverter with good heat dissipation, including a photovoltaic inverter casing 1, and a photovoltaic inverter is installed in the photovoltaic inverter casing 1. The installation frame body 2 is arranged on the left side of the photovoltaic inverter housing 1, the heat dissipation plate 3 is fixedly installed on the inner wall of the right side of the installation frame body 2, and the cooling fan 4 is arranged in the center of the inner cavity of the installation frame body 2 to dissipate heat. The model of fan 4 is set as a small fan of SE-A100; the rated voltage is 220V/50HZ; the left outer wall of the installation frame 2 is equally divided from top to bottom with cooling holes 16, and the left side of the installation frame 2 A dustproof net 17 is fixedly installed on the outer wall, and the dustproof net 17 covers the heat dissipation hole 16. The setting of the heat dissipation hole 16 and the dustproof net 17 ensures the dustproof effect during heat dissipation. The transverse isosceles trapezoid is arranged, the short side of each heat dissipation hole 16 is set close to the dustproof net 17, and the cross section passing through the heat dissipation hole 16 is arranged in a transverse isosceles trapezoid, so that the right side of the heat dissipation hole 16 is installed in the frame body 2 to dissipate heat. For the exhaust of the fan 4, the right side wall of the cooling fan 4 is fixedly connected to the cooling plate 3. The cooling plate 3 is provided with a curved pipe 14. The curved pipe 14 is composed of a parallel pipe and a curved pipe, and the curved pipe 14 is arranged in an S shape as a whole. , and the bending tube 14 is filled with cooling liquid, the heat dissipation plate 3 can improve the heat conduction efficiency and heat dissipation effect through the setting of the bending tube 14, the heat absorption block is laterally installed on the side wall of the heat absorption plate 13, and the heat absorption block in the heat absorption plate 13 The heat-absorbing block extends to the parallel tube portion of the bending tube 14. By extending the heat-absorbing plate 13, the heat on the heat-dissipating plate 3 can be effectively transferred to the installation frame 2. The side wall of the heat-dissipating plate 3 is vertically arranged At least four through pipes 15 are installed symmetrically and symmetrically. The through pipes 15 are installed horizontally and horizontally. On the outside, through the installation of the through pipe 15, the convection effect in the photovoltaic inverter housing 1 is accelerated, which is beneficial to the heat dissipation and ventilation work. The top and bottom outer walls of the heat dissipation plate 3 are fixedly installed with the mounting plate 8. The mounting plate 8 Mounting bolts 12 are installed in the openings. The ends of the mounting bolts 12 are connected to the side wall of the photovoltaic inverter housing 1 . The left outer wall of the heat dissipation plate 3 is fixedly installed with a heat absorption plate 13 , and the right outer wall of the heat dissipation plate 3 is fixedly installed with a heat absorbing plate 13 . A heat-conducting plate 11, a vertical plate 10 is fixedly installed on the right outer wall of the heat-conducting plate 11, a heat absorbing sheet 9 is fixedly installed on the right outer wall of the vertical plate 10, and an inlet is fixedly installed on the top opening of the photovoltaic inverter housing 1. Air duct 5, a top shell 6 is fixedly installed on the top outer wall of the photovoltaic inverter housing 1, the top of the air inlet duct 5 extends into the inner cavity of the top shell 6, and a vent 7 is opened on the bottom outer wall of the top shell 6 , the ventilation port 7 can perform normal ventilation and ventilation work, and the dust is not easy to enter, which has a good dustproof effect.

In a specific implementation of the present invention, the structure of the present invention is reasonable, the heat dissipation is uniform and efficient, and the dustproof effect is good. When in use, the cooling fan 4 can be started by an external power supply and a switch. The heat absorbing sheet 9 on the plate 10 can absorb the heat in the photovoltaic inverter housing 1, and then transfer the heat to the heat dissipation plate 3 through the heat conduction plate 11. The S-shaped curved pipe 14 and the heat absorption plate on the heat dissipation plate 3 The setting of 13 can greatly improve the heat transfer efficiency, which is conducive to the efficient heat transfer work, and then can quickly transfer the heat generated in the photovoltaic inverter shell 1 to the installation frame 2, and the cooling fan 4 can efficiently The heat dissipation works. At the same time, the hot air can be discharged from the heat dissipation holes 16 on the installation frame body 2. The cross-sections passing through the heat dissipation holes 16 are arranged in a horizontal isosceles trapezoid shape, so that the heat dissipation fan 4 in the frame body 2 can be installed on the right side of the heat dissipation holes 16. The air exhaust, the dust net 17 can play a good dustproof work for the heat dissipation hole 16, the ventilation port 7 is arranged on the bottom outer wall of the top shell 6, and the ventilation port 7 on the photovoltaic inverter housing 1 can Normal ventilation and ventilation work, and dust is not easy to enter, which has a good dustproof effect, which is beneficial to the long-term use of this photovoltaic inverter.

In the description of this specification, description with reference to the terms "one embodiment", "example", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in the present invention. in at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not exhaustively describe all the details, nor do they limit the invention to specific embodiments only. Obviously, many modifications and variations are possible in light of the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. A photovoltaic inverter with good heat dissipation performance comprises a photovoltaic inverter casing (1), wherein the photovoltaic inverter casing (1) is provided with a photovoltaic inverter, and the photovoltaic inverter is characterized in that: the photovoltaic inverter comprises a photovoltaic inverter shell (1), and is characterized in that an installation frame body (2) is arranged on the left side of the photovoltaic inverter shell (1), a heating panel (3) is fixedly installed on the right inner wall of the installation frame body (2), a cooling fan (4) is arranged in the inner cavity of the installation frame body (2) in the middle, the right side wall of the cooling fan (4) is fixedly connected with the heating panel (3), installation plates (8) are fixedly installed on the top and bottom outer walls of the heating panel (3), installation bolts (12) are installed on the installation plates (8) in a hole, the tail ends of the installation bolts (12) are connected with the side wall of the photovoltaic inverter shell (1), a heat absorption plate (13) is fixedly installed on the left outer wall of the heating panel (3), a heat conduction plate (11) is fixedly installed on the right outer wall of, the solar photovoltaic inverter is characterized in that a heat absorbing sheet (9) is fixedly mounted on the outer wall of the right side of the vertical plate (10), an air inlet pipe (5) is fixedly mounted at the top opening of the photovoltaic inverter shell (1), a top shell (6) is fixedly mounted on the outer wall of the top of the photovoltaic inverter shell (1), the top end of the air inlet pipe (5) extends into the inner cavity of the top shell (6), and a ventilation opening (7) is formed in the outer wall of the bottom of the top shell (6).

2. The photovoltaic inverter with good heat dissipation performance according to claim 1, wherein: install bent pipe (14) on heating panel (3), bent pipe (14) are formed by parallel tubes and return bend combination, bent pipe (14) wholly is the S-shaped setting, and has filled cooling liquid in bent pipe (14).

3. The photovoltaic inverter with good heat dissipation performance according to claim 2, wherein: the side wall of the heat absorbing plate (13) is transversely provided with heat absorbing blocks, and the heat absorbing blocks in the heat absorbing plate (13) extend to the parallel pipe part of the bent pipe (14).

4. The photovoltaic inverter with good heat dissipation performance according to claim 1, wherein: the heat dissipation plate is characterized in that at least four through pipes (15) are vertically and symmetrically arranged on the side wall of the heat dissipation plate (3), the through pipes (15) are transversely and horizontally arranged, the left ends of the through pipes (15) are arranged outside the side wall of the heat absorption plate (13), and the other ends of the through pipes (15) are arranged outside the heat absorption sheets (9).

5. The photovoltaic inverter with good heat dissipation performance according to claim 1, wherein: the heat dissipation holes (16) are formed in the outer wall of the left side of the installation frame body (2) from top to bottom in sequence in an equal dividing mode, a dust screen (17) is fixedly installed on the outer wall of the left side of the installation frame body (2), and the dust screen (17) covers the heat dissipation holes (16).

6. The photovoltaic inverter with good heat dissipation performance according to claim 5, wherein: the cross section of each heat dissipation hole (16) is in a transverse isosceles trapezoid shape, and the short side of each heat dissipation hole (16) is close to a dust screen (17).

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