CN211321291U

CN211321291U - Photovoltaic inverter with good heat dissipation performance

Info

Publication number: CN211321291U
Application number: CN202020249844.0U
Authority: CN
Inventors: 陈玉芳; 白瑞锋
Original assignee: Inner Mongolia University for Nationlities
Current assignee: Inner Mongolia University for Nationlities
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2020-08-21
Anticipated expiration: 2030-03-04

Abstract

The utility model relates to the technical field of photovoltaic inverters, and discloses a photovoltaic inverter with good heat dissipation performance, which comprises a photovoltaic inverter shell, an installation frame body, a heat dissipation plate, a heat dissipation fan, a top shell, a ventilation opening, an installation plate, a heat absorption sheet, a heat absorption plate and a bending pipe, the structure of the utility model is reasonable, the heat dissipation is uniform and efficient, the dustproof effect is good, the heat absorption sheet can absorb the heat in the photovoltaic inverter shell to perform a rapid heat dissipation function through the rotation of the heat dissipation fan, the heat dissipation airflow duct is reasonable, the dustproof effect is good, meanwhile, the heat transmission efficiency can be greatly improved through the arrangement of the structures of the heat conduction plate, the bending pipe on the heat dissipation plate and the like, the heat dissipation performance of the whole device is improved, and in conclusion, the photovoltaic inverter has high heat conduction efficiency and heat dissipation effect, and realizes high-efficiency heat, the photovoltaic inverter is beneficial to long-time use and has good practicability.

Description

Photovoltaic inverter with good heat dissipation performance

Technical Field

The utility model relates to a photovoltaic inverter technical field especially relates to a good photovoltaic inverter of thermal diffusivity.

Background

The inverter is also called a power supply regulator, and can be divided into an independent power supply inverter and a grid-connected inverter according to the application of the inverter in a photovoltaic power generation system, a square wave inverter, a step wave inverter, a sine wave inverter and a combined three-phase inverter according to a waveform modulation mode, and a transformer type inverter and a transformer-free type inverter according to the existence of a transformer for the inverter used in the grid-connected system. In a solar power generation system, the level of efficiency of a photovoltaic inverter is an important factor for determining the capacity of a solar cell and the capacity of a storage battery.

However, the conventional photovoltaic inverter can generate a large amount of heat during working, the conventional photovoltaic inverter has no heat dissipation function and is poor in basic heat dissipation performance, so that the efficiency of the photovoltaic inverter is influenced, the dustproof effect of the conventional photovoltaic inverter heat dissipation holes is general, and if more dust exists in the interior of the photovoltaic inverter, the heat dissipation effect and normal working can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a good photovoltaic inverter of thermal diffusivity, aim at possess dustproof function and heat dispersion are good for photovoltaic inverter during operation more energy-conservation and high-efficient are favorable to long-time work of dispelling the heat.

In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:

a photovoltaic inverter with good heat dissipation performance comprises a photovoltaic inverter shell, wherein a photovoltaic inverter is installed in the photovoltaic inverter shell, and the photovoltaic inverter is characterized in that: the photovoltaic inverter comprises a photovoltaic inverter shell, and is characterized in that an installation frame body is arranged on the left side of the photovoltaic inverter shell, a heat dissipation plate is fixedly installed on the inner wall of the right side of the installation frame body, a heat dissipation fan is arranged in the middle of the inner cavity of the installation frame body, the right side wall of the heat dissipation fan is fixedly connected with the heat dissipation plate, installation plates are fixedly installed on the top and bottom outer walls of the heat dissipation plate, an installation bolt is installed on each installation plate through a hole, the tail end of each installation bolt is connected with the side wall of the photovoltaic inverter shell, a heat absorption plate is fixedly installed on the outer wall of the left side of the heat dissipation plate, a heat conduction plate is fixedly installed on the outer wall of the right side of the heat conduction plate, a vertical plate is fixedly installed on the outer wall of, the top end of the air inlet pipe extends into the inner cavity of the top shell, and the outer wall of the bottom of the top shell is provided with a vent.

Preferably, in the photovoltaic inverter with good heat dissipation performance, the heat dissipation plate is provided with a bent pipe, the bent pipe is formed by combining a parallel pipe and a bent pipe, the bent pipe is integrally arranged in an S shape, and the bent pipe is filled with cooling liquid.

Based on above-mentioned technical characteristics, the heating panel can improve heat conduction efficiency and radiating effect through the setting of crooked pipe.

Preferably, in the photovoltaic inverter with good heat dissipation performance, the side wall of the heat absorbing plate is transversely provided with the heat absorbing block, and the heat absorbing block in the heat absorbing plate extends to the parallel pipe part of the bent pipe.

Based on the technical characteristics, the heat on the heat dissipation plate can be effectively transferred to the installation frame body through the extension of the heat absorption plate.

Preferably, in the photovoltaic inverter with good heat dissipation performance, at least four through pipes are symmetrically mounted on the side wall of the heat dissipation plate in a vertical symmetry manner, the through pipes are horizontally mounted in a horizontal direction, the left ends of the through pipes are arranged outside the side wall of the heat absorption plate, and the other ends of the through pipes are arranged outside the heat absorption sheets.

Based on the technical characteristics, through the installation of siphunculus for the convection effect in the photovoltaic inverter casing has been favorable to the work of heat dissipation and ventilation.

Preferably, in the photovoltaic inverter with good heat dissipation performance, heat dissipation holes are formed in the left outer wall of the installation frame body in an evenly-divided manner from top to bottom, and a dust screen is fixedly installed on the left outer wall of the installation frame body and covers the heat dissipation holes.

Based on the technical characteristics, through the arrangement of the heat dissipation holes and the dust screen, the dust-proof effect during heat dissipation is guaranteed.

Preferably, in the photovoltaic inverter with good heat dissipation performance, the cross section of each heat dissipation hole is in a transverse isosceles trapezoid shape, and the short side of each heat dissipation hole is close to the dust screen.

Based on the technical characteristics, the cross sections of the heat dissipation holes are in the arrangement of a transverse isosceles trapezoid, so that the air exhaust of the heat dissipation fan in the frame body is conveniently arranged on the right side of the heat dissipation holes.

The utility model has the advantages that: the utility model discloses a structure sets up rationally, and the heat dissipation is even and high-efficient, and is dustproof effectual, through radiator fan's rotation, can absorb back heat with the heat-absorbing plate in the photovoltaic inverter casing and carry out quick heat dissipation function, and the heat dissipation air current wind channel sets up rationally, and dustproof effect is good, simultaneously through the setting of curved tube isotructure on heat-conducting plate and the heating panel, thermal transmission efficiency of improvement that can be great is favorable to thermal high-efficient effluvium, has improved this device holistic heat dispersion, to sum up, this photovoltaic inverter has efficient heat conduction efficiency and radiating effect, realizes efficient radiating work, is favorable to this photovoltaic inverter's long-time use, has fine practicality.

Drawings

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

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

FIG. 2 is an enlarged view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a cross-sectional view taken along line B-B of fig. 1 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a photovoltaic inverter housing; 2. installing a frame body; 3. a heat dissipation plate; 4. a heat radiation fan; 5. an air inlet pipe; 6. a top shell; 7. a vent; 8. mounting a plate; 9. a heat absorbing sheet; 10. a vertical plate; 11. a heat conducting plate; 12. installing a bolt; 13. a heat absorbing plate; 14. bending the tube; 15. pipe passing; 16. heat dissipation holes; 17. a dust screen.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present embodiment is a photovoltaic inverter with good heat dissipation, including a photovoltaic inverter housing 1, a photovoltaic inverter is installed in the photovoltaic inverter housing 1, and the present embodiment is characterized in that: a mounting frame body 2 is arranged on the left side of a photovoltaic inverter shell 1, a heat dissipation plate 3 is fixedly mounted on the inner wall of the right side of the mounting frame body 2, a heat dissipation fan 4 is arranged in the middle of the inner cavity of the mounting frame body 2, and the type of the heat dissipation fan 4 is set to be a small fan of SE-A100 type; rated voltage 220V/50 HZ; the left outer wall of the installation frame body 2 is provided with heat dissipation holes 16 which are evenly divided from top to bottom in sequence, the left outer wall of the installation frame body 2 is fixedly provided with a dust screen 17, the dust screen 17 covers the heat dissipation holes 16, the dust-proof effect during heat dissipation is ensured by the arrangement of the heat dissipation holes 16 and the dust screen 17, the section of each heat dissipation hole 16 is arranged in a transverse isosceles trapezoid, the short side of each heat dissipation hole 16 is arranged close to the dust screen 17, the section of each heat dissipation hole 16 is arranged in a transverse isosceles trapezoid, so that the air exhaust of a heat dissipation fan 4 in the frame body 2 is conveniently arranged at the right side of the heat dissipation hole 16, the right side wall of the heat dissipation fan 4 is fixedly connected with a heat dissipation plate 3, a bent pipe 14 is arranged on the heat dissipation plate 3, the bent pipe 14 is formed by combining a parallel pipe and a bent pipe, the bent pipe, the heat conduction efficiency and the heat dissipation effect can be improved, heat absorption blocks are transversely arranged on the side wall of the heat absorption plate 13, the heat absorption blocks in the heat absorption plate 13 extend to the parallel pipe parts of the bent pipes 14, the heat on the heat dissipation plate 3 can be effectively transferred to the installation frame body 2 through the extension arrangement of the heat absorption plate 13, at least four through pipes 15 are symmetrically arranged on the side wall of the heat dissipation plate 3 from top to bottom, 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, the other ends of the through pipes 15 are arranged on the outer side of the heat absorption sheets 9, the convection effect in the photovoltaic inverter shell 1 is accelerated through the installation of the through pipes 15, the heat dissipation and ventilation work is facilitated, the installation plates 8 are fixedly arranged on the outer walls of the top and the bottom of the heat dissipation plate 3, the installation bolts 12 are arranged on the holes, the left side outer wall fixed mounting of heating panel 3 has absorber plate 13, the right side outer wall fixed mounting of heating panel 3 has heat-conducting plate 11, fixed mounting has riser 10 on the right side outer wall of heat-conducting plate 11, fixed mounting has heat-absorbing fin 9 on the right side outer wall of riser 10, the top trompil fixed mounting of photovoltaic inverter casing 1 has air-supply line 5, fixed mounting has top shell 6 on the top outer wall of photovoltaic inverter casing 1, the top of air-supply line 5 extends to in the inner chamber of top shell 6, vent 7 has been seted up on the bottom outer wall of top shell 6, vent 7 can carry out normal ventilation work, and the dust is difficult for getting into, has fine dustproof effect.

The utility model has the advantages of reasonable structure, even and high-efficient heat dissipation, good dustproof effect, when in use, the heat dissipation fan 4 can be started by an external power supply and a switch, the heat dissipation fan 4 rotates, the heat absorbing sheet 9 on the vertical plate 10 can absorb the heat in the photovoltaic inverter shell 1, then the heat is transmitted to the heat dissipation plate 3 through the heat conducting plate 11, the S-shaped bent pipe 14 and the heat absorbing plate 13 on the heat dissipation plate 3 are arranged, the heat transmission efficiency can be greatly improved, the high-efficient heat transmission work is facilitated, the heat generated in the photovoltaic inverter shell 1 can be rapidly transmitted to the mounting frame body 2, the heat dissipation fan 4 carries out the high-efficient heat dissipation work, hot air can be discharged from the heat dissipation holes 16 on the mounting frame body 2 during the work, the cross sections through the heat dissipation holes 16 are all in the shape of a transverse isosceles trapezoid, so that the exhaust of radiator fan 4 in the heat dissipation hole 16 right side installation framework 2, dust screen 17 can play a fine dustproof work to heat dissipation hole 16, and vent 7 sets up on the bottom outer wall of top shell 6, and vent 7 on the photovoltaic inverter casing 1 can carry out normal ventilation work to the dust is difficult for getting into, has fine dustproof effect, is favorable to this photovoltaic inverter's long-time use.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above 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 intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

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).