CN211670789U

CN211670789U - Heat dissipation type photovoltaic power generation dc-to-ac converter

Info

Publication number: CN211670789U
Application number: CN202020477076.4U
Authority: CN
Inventors: 李永泉
Original assignee: Shenzhen Effsun New Energy Co ltd
Current assignee: Shenzhen Effsun New Energy Co ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-10-13
Anticipated expiration: 2030-04-03

Abstract

The utility model belongs to the photovoltaic power generation field, concretely relates to heat dissipation type photovoltaic power generation dc-to-ac converter, including dc-to-ac converter casing and dc-to-ac converter body, the inside fixedly connected with supporting shoe of dc-to-ac converter casing, the side fixedly connected with connecting block of dc-to-ac converter body, the inner wall sliding connection of connecting block and dc-to-ac converter casing, the upper end and the supporting shoe contact of connecting block, the bottom is installed to the lower extreme of dc-to-ac converter casing, the embedding has heat conduction silica gel pad in the bottom, the upper end and the laminating of dc-to-ac converter body of heat conduction. The utility model discloses an embedding heat conduction silica gel pad in the bottom of dc-to-ac converter casing bottom, the bottom design heat dissipation post of heat conduction silica gel pad, and let in the water tank with the heat dissipation post, utilize heat conduction silica gel pad and heat dissipation post to derive the heat on the dc-to-ac converter body to dispel the heat fast, make the radiating effect of dc-to-ac converter good, avoid the dc-to-ac converter high temperature.

Description

Heat dissipation type photovoltaic power generation dc-to-ac converter

Technical Field

The utility model relates to a photovoltaic power generation technical field specifically is a heat dissipation type photovoltaic power generation dc-to-ac converter.

Background

In the photovoltaic power generation technology, an inverter is a power conditioning device composed of semiconductor devices, is mainly used for converting direct current power into alternating current power, and generally comprises a boost circuit and an inverter bridge circuit. The boosting circuit boosts the direct-current voltage of the solar battery to the direct-current voltage required by the output control of the inverter; the inverter bridge circuit equivalently converts the boosted direct-current voltage into alternating-current voltage with common frequency.

The existing inverter has poor heat dissipation performance, and easily causes overhigh temperature of the inverter, thereby causing damage of the inverter. And the inverter lacks the shock attenuation design, and its during operation can produce vibrations, and great vibrations for a long time can lead to its internal components installation reliability to reduce to cause the inverter trouble. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat dissipation type photovoltaic power generation dc-to-ac converter has solved the poor problem of current photovoltaic power generation dc-to-ac converter heat dispersion, has still solved the problem that the dc-to-ac converter lacks the shock attenuation design.

In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation type photovoltaic power generation inverter comprises an inverter shell and an inverter body, wherein a supporting block is fixedly connected inside the inverter shell, a connecting block is fixedly connected to the side face of the inverter body, the connecting block is connected with the inner wall of the inverter shell in a sliding mode, the upper end of the connecting block is in contact with the supporting block, a bottom cover is installed at the lower end of the inverter shell, a heat conduction silica gel pad is embedded in the bottom cover, the upper end of the heat conduction silica gel pad is attached to the inverter body, a heat dissipation column is arranged at the lower end of the heat dissipation column, a circular groove is formed in the surface of the heat dissipation column, a cover plate is installed at the lower end of the bottom cover, a water tank is connected at the lower end of the cover plate in a sliding mode, an overflow port is formed in the right side wall of the water tank, a water, the cushion contacts with the inside bottom of water tank, the left end fixed mounting of gas circle has the valve inside.

Preferably, the supporting blocks and the inverter shell are of an integrated structure, the number of the supporting blocks is two, and the two supporting blocks are symmetrically distributed on the inner wall of the inverter shell.

Preferably, the number of the heat dissipation columns is multiple, the heat dissipation columns are arranged in a square array at the lower end of the heat conduction silica gel pad, and the heat conduction silica gel pad and the heat dissipation columns are of an integrated structure.

Preferably, a bolt is sleeved in the cover plate in a sliding mode, penetrates through the bottom cover and is in threaded connection with the inverter shell.

Preferably, the upper end of the water tank is provided with a guide groove, and a cover plate is connected in the guide groove in a sliding manner.

Preferably, the surface of the cover plate is provided with a through hole, and the through hole is connected with a heat dissipation column in a sliding manner.

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

1. the utility model discloses an embedding heat conduction silica gel pad in the bottom of dc-to-ac converter casing bottom, the bottom design heat dissipation post of heat conduction silica gel pad, and let in the water tank with the heat dissipation post, utilize heat conduction silica gel pad and heat dissipation post to derive the heat on the dc-to-ac converter body to dispel the heat fast, make the radiating effect of dc-to-ac converter good, avoid the dc-to-ac converter high temperature.

2. The utility model discloses a design the balloon in the water tank, utilize the elasticity of balloon, carry out the shock attenuation to the dc-to-ac converter, it is great to prevent to shake in the dc-to-ac converter working process, leads to its inside components and parts installation reliability to reduce, causes the dc-to-ac converter trouble.

Drawings

FIG. 1 is a schematic structural view of the present invention;

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

FIG. 3 is a top view of the water tank of FIG. 1 according to the present invention;

fig. 4 is a bottom view of the heat-conductive silicone pad of fig. 1 according to the present invention.

In the figure: 1. an inverter case; 2. a support block; 3. an inverter body; 4. connecting blocks; 5. a bottom cover; 6. a heat-conducting silica gel pad; 7. a heat-dissipating column; 8. an annular groove; 9. a cover plate; 10. a through hole; 11. a bolt; 12. a water tank; 13. an overflow port; 14. a guide groove; 15. a water feeding pipe; 16. a balloon; 17. cushion blocks; 18. a valve core.

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

Examples

Referring to fig. 1-4, a heat dissipation type photovoltaic power generation inverter includes an inverter housing 1 and an inverter body 3, a support block 2 is fixedly connected inside the inverter housing 1, a connection block 4 is fixedly connected to a side surface of the inverter body 3, the connection block 4 is slidably connected to an inner wall of the inverter housing 1, an upper end of the connection block 4 contacts with the support block 2, a bottom cover 5 is installed at a lower end of the inverter housing 1, a heat conductive silicone pad 6 is embedded in the bottom cover 5, an upper end of the heat conductive silicone pad 6 is attached to the inverter body 3, a heat dissipation column 7 is installed at a lower end of the heat conductive silicone pad 6, an annular groove 8 is formed in a surface of the heat dissipation column 7, a surface area of the heat dissipation column 7 is increased by the design of the annular groove 8, so that a heat dissipation effect is better, a cover plate 9 is installed at a lower end of the bottom cover plate, the design of overflow mouth 13 can avoid the water level in the water tank 12 too high, and the right-hand member fixedly connected with filler pipe 15 of water tank 12, the lower extreme contact of apron 9 are connected with gas circle 16, and the lower extreme of gas circle 16 is provided with cushion 17, and cushion 17 and the inside bottom contact of water tank 12, the left end fixed mounting of gas circle 16 has valve inside 18, and accessible valve inside 18 is aerifyd gas circle 16.

Referring to fig. 1, the supporting blocks 2 and the inverter housing 1 are integrated, the number of the supporting blocks 2 is two, and the two supporting blocks 2 are symmetrically distributed on the inner wall of the inverter housing 1. The connection block 4 can be supported by the design of the support block 2.

Referring to fig. 4, the number of the heat dissipation pillars 7 is plural, the heat dissipation pillars 7 are arranged in a square array at the lower end of the heat conductive silicone pad 6, and the heat conductive silicone pad 6 and the heat dissipation pillars 7 are integrated. The thermal conductive silicone pad 6 is made of a thermal conductive silicone material, and has excellent thermal conductivity and insulation properties.

Referring to fig. 1, a bolt 11 is slidably sleeved in the cover plate 9, and the bolt 11 penetrates through the bottom cover 5 and is in threaded connection with the inverter housing 1. The cover plate 9 and the bottom cover 5 can be fixedly mounted on the bottom of the inverter case 1 by the mounting of the bolts 11.

Referring to fig. 1, a guide groove 14 is formed at an upper end of the water tank 12, and a cover plate 9 is slidably connected in the guide groove 14. The cover plate 9 is guided by the design of the guide groove 14.

Referring to fig. 2, a through hole 10 is formed on the surface of the cover plate 9, and a heat dissipation column 7 is slidably connected in the through hole 10. The design of the through hole 10 provides an installation space for the heat dissipation post 7.

The utility model discloses the concrete implementation process as follows: when the inverter works, the inverter body 3 generates heat, the heat is transferred to the heat dissipation column 7 through the heat conduction silica gel pad 6, and then the heat is led into the water in the water tank 12 through the heat dissipation column 7, so that the rapid heat dissipation can be carried out, and the inverter is prevented from being damaged due to overhigh temperature; when the inverter works, vibration can be generated, the air ring 16 is designed in the water tank 12, and the elasticity of the air ring 16 is utilized to absorb the vibration of the inverter, so that the inverter is prevented from being damaged due to the fact that the reliability of installation of components in the inverter is reduced in the working process of the inverter due to the fact that the vibration is large.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A heat dissipation type photovoltaic power generation inverter includes an inverter case (1) and an inverter body (3), and is characterized in that: the inverter comprises an inverter shell (1), wherein a supporting block (2) is fixedly connected inside the inverter shell (1), a connecting block (4) is fixedly connected to the side face of the inverter body (3), the connecting block (4) is connected with the inner wall of the inverter shell (1) in a sliding manner, the upper end of the connecting block (4) is in contact with the supporting block (2), a bottom cover (5) is installed at the lower end of the inverter shell (1), a heat-conducting silica gel pad (6) is embedded into the bottom cover (5), the upper end of the heat-conducting silica gel pad (6) is attached to the inverter body (3), a heat-radiating column (7) is arranged at the lower end of the heat-conducting silica gel pad (6), an annular groove (8) is formed in the surface of the heat-radiating column (7), a cover plate (9) is installed at the lower end of the bottom cover plate (5), a water tank (12), the water tank is characterized in that a water adding pipe (15) is fixedly connected to the right end of the water tank (12), an air ring (16) is connected to the lower end of the cover plate (9) in a contact mode, a cushion block (17) is arranged at the lower end of the air ring (16), the cushion block (17) is in contact with the bottom of the water tank (12), and a valve core (18) is fixedly mounted at the left end of the air ring (16).

2. The heat dissipation type photovoltaic power generation inverter according to claim 1, wherein: the supporting blocks (2) and the inverter shell (1) are of an integrated structure, the number of the supporting blocks (2) is two, and the two supporting blocks (2) are symmetrically distributed on the inner wall of the inverter shell (1).

3. The heat dissipation type photovoltaic power generation inverter according to claim 1, wherein: the heat dissipation column (7) is multiple in number, the heat dissipation columns (7) are arranged in a square array at the lower end of the heat conduction silica gel pad (6), and the heat conduction silica gel pad (6) and the heat dissipation columns (7) are of an integrated structure.

4. The heat dissipation type photovoltaic power generation inverter according to claim 1, wherein: the cover plate (9) is sleeved with a bolt (11) in a sliding mode, and the bolt (11) penetrates through the bottom cover (5) and is connected with the inverter shell (1) through threads.

5. The heat dissipation type photovoltaic power generation inverter according to claim 1, wherein: a guide groove (14) is formed in the upper end of the water tank (12), and a cover plate (9) is connected in the guide groove (14) in a sliding mode.

6. The heat dissipation type photovoltaic power generation inverter according to claim 1, wherein: the surface of the cover plate (9) is provided with a through hole (10), and a heat dissipation column (7) is connected in the through hole (10) in a sliding mode.