CN210167975U

CN210167975U - Micro inverter shell and micro inverter

Info

Publication number: CN210167975U
Application number: CN201921427964.9U
Authority: CN
Inventors: 张靖漓
Original assignee: Nanjing Fenglue Electromechanical Technology Co Ltd
Current assignee: Nanjing Fenglue Electromechanical Technology Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-03-20
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a micro-inverter shell and micro-inverter, including inverter circuit board and rubber gasket, inverter circuit board's inside left end is provided with the pilot lamp, and the right side of pilot lamp is fixed with components and parts, the upper end of components and parts is provided with auxiliary cooling fin, and auxiliary cooling fin is close to inverter circuit board's one end and is provided with the screw hole, inverter circuit board's the outside is connected with the shell, and the inboard table wall of shell is provided with the ventilation window, the rubber gasket is connected in the inside lower extreme of shell, the lower extreme of shell is connected with the stationary blade, and the inside of stationary blade is provided with the fixed orifices. This micro-inverter shell and micro-inverter are provided with the heat absorption copper, and the heat absorption copper can absorb the heat that components and parts produced at the during operation fast to can be timely with heat dissipation to fin department, can avoid components and parts to be in the operating condition of high temperature for a long time, prevent that components and parts from burning out.

Description

Micro inverter shell and micro inverter

Technical Field

The utility model relates to an inverter technical field specifically is a micro-inverter shell and micro-inverter.

Background

The inverter is a power adjusting device composed of semiconductor devices and is mainly used for converting direct current power into alternating current power, and the boosting loop boosts direct current voltage of the solar module to direct current voltage required by output control of the inverter; the inverter bridge type loop equivalently converts the boosted direct-current voltage into alternating-current voltage with common frequency, the more traditional inverter is usually large in size and is arranged indoors, the solar modules are connected with the traditional inverter in a series connection mode, the micro inverters with the same number as the solar modules are mostly adopted at present, the micro inverters are arranged indoors and are respectively connected with the solar modules, the relation among the solar modules is a parallel connection mode, and the lost electric energy is effectively reduced.

The miniature inverter on the market has the problems that the heat dissipation structure is unreasonable, the heat dissipation effect is poor, the connection between the inverter and the shell is unstable, and the shell does not have shock resistance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a micro inverter shell and micro inverter to it is unreasonable to solve the dc-to-ac converter heat radiation structure who proposes in the above-mentioned background art, and the radiating effect is not good, and the connection between dc-to-ac converter and the shell is unstable, does not have the problem of shock resistance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a micro-inverter shell and micro-inverter, includes inverter circuit board and rubber gasket, the inside left end of inverter circuit board is provided with the pilot lamp, and the right side of pilot lamp is fixed with components and parts, the upper end of components and parts is provided with auxiliary cooling fin, and the one end that auxiliary cooling fin is close to inverter circuit board is provided with the screw hole, the outside of inverter circuit board is connected with the shell, and the inboard table wall of shell is provided with the ventilation window, the rubber gasket is connected in the inside lower extreme of shell, the lower extreme of shell is connected with the stationary blade, and the inside of stationary blade is provided with the fixed.

Preferably, components and parts include heat absorption copper and ventilation hole, and the outside of components and parts is connected with the heat absorption copper, the outside of heat absorption copper is provided with the ventilation hole.

Preferably, the heat absorption copper plates are connected with the components in a welding mode, and the number of the heat absorption copper plates is two.

Preferably, the shell comprises an upper shell, a lower shell and radiating fins, the upper end of the shell is provided with the upper shell, the lower end of the upper shell is connected with the lower shell, and the upper end of the upper shell is connected with the radiating fins.

Preferably, the upper shell is in threaded connection with the lower shell, and the shape structure of the upper shell is matched with that of the lower shell.

Preferably, the number of the ventilation windows is two, and the rubber gasket is in adhesive connection with the shell.

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

1. the micro-inverter shell and the micro-inverter are provided with the heat absorption copper plates, the heat absorption copper plates can quickly absorb heat generated by components during working and can timely dissipate the heat, the components can be prevented from being in a high-temperature working state for a long time, the components are prevented from being burnt out, and the two heat absorption copper plates can effectively absorb heat of the upper end and the lower end of the components;

2. in order to make the protective structure of the shell more stable, the shell is a combined structure between the upper shell and the lower shell, and the connecting part is in threaded connection through the threaded hole, so that the inverter is convenient to disassemble, the shell can be ensured to have a higher protective effect, and the radiating fins are arranged on the upper shell, so that the radiating speed of the inverter is greatly improved;

3. in order to enable the heat absorption copper plate to quickly transfer heat after absorbing heat, the shell is provided with two ventilation windows, so that the air flowing speed inside the shell can be increased, high temperature inside the shell can quickly flow out of the shell, and the rubber gasket is arranged between the inverter circuit board and the shell, so that the inverter circuit board can be prevented from being damaged due to vibration.

Drawings

Fig. 1 is a schematic structural diagram of an inverter circuit board of the present invention;

FIG. 2 is a left side view of the structure of the housing of the present invention;

fig. 3 is a schematic view of the top view structure of the housing of the present invention.

In the figure: 1. an inverter circuit board; 2. an indicator light; 3. a component; 301. a heat absorbing copper plate; 302. a vent hole; 4. an auxiliary heat sink; 5. a threaded hole; 6. a housing; 601. an upper shell; 602. a lower case; 603. a heat sink; 7. a ventilation window; 8. a rubber gasket; 9. a fixing sheet; 10. and (7) fixing holes.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a micro inverter shell and a micro inverter comprise an inverter circuit board 1, an indicator light 2, a component 3, a heat absorption copper plate 301, a vent hole 302, an auxiliary radiating fin 4, a threaded hole 5, a shell 6, an upper shell 601, a lower shell 602, a radiating fin 603, a ventilating window 7, a rubber gasket 8, a fixing sheet 9 and a fixing hole 10, wherein the indicator light 2 is arranged at the left end inside the inverter circuit board 1, and the right side of the indicator light 2 is fixed with a component 3, the upper end of the component 3 is provided with an auxiliary radiating fin 4, and one end of the auxiliary cooling fin 4 close to the inverter circuit board 1 is provided with a threaded hole 5, the outer side of the inverter circuit board 1 is connected with a shell 6, a ventilation window 7 is arranged on the surface wall of the inner side of the shell 6, a rubber gasket 8 is connected to the lower end of the inner part of the shell 6, a fixing sheet 9 is connected to the lower end of the shell 6, and a fixing hole 10 is formed in the fixing sheet 9;

the component 3 comprises a heat absorption copper plate 301 and vent holes 302, the outer side of the component 3 is connected with a heat absorption copper plate 301, the vent holes 302 are formed in the outer side of the heat absorption copper plate 301, the heat absorption copper plate 301 is in welded connection with the component 3, the heat absorption copper plates 301 are arranged in two, the micro inverter shell and the micro inverter are provided with the heat absorption copper plate 301, the heat absorption copper plate 301 can quickly absorb heat generated by the component 3 during working and can timely dissipate the heat, the component 3 can be prevented from being in a high-temperature working state for a long time, the component 3 is prevented from being burnt out, and the two heat absorption copper plates 301 can effectively absorb heat at the upper end and the;

the shell 6 comprises an upper shell 601, a lower shell 602 and radiating fins 603, the upper end of the shell 6 is provided with the upper shell 601, the lower end of the upper shell 601 is connected with the lower shell 602, the upper end of the upper shell 601 is connected with the radiating fins 603, the upper shell 601 is in threaded connection with the lower shell 602, the shape structure of the upper shell 601 is matched with that of the lower shell 602, in order to enable the protection structure of the shell 6 to be more stable, the shell 6 is arranged into a combined structure between the upper shell 601 and the lower shell 602, and the connection part is in threaded connection through a threaded hole 5, so that the disassembly of the inverter is facilitated, the shell 6 can be ensured to have higher protection effect, and the radiating fins 603 are arranged on the upper shell 601, so that the radiating speed of the inverter;

the ventilation windows 7 are provided with two, the rubber gasket 8 is in adhesive connection with the shell 6, heat can be rapidly transferred after the heat absorption copper plate 301 absorbs heat, the two ventilation windows 7 are arranged on the shell 6, the air flowing speed inside the shell 6 can be increased, the high temperature inside the shell 6 can rapidly flow out, the rubber gasket 8 is arranged between the inverter circuit board 1 and the shell 6, and the inverter circuit board 1 can be prevented from being damaged due to the fact that the inverter circuit board 1 is vibrated.

The working principle is as follows: for the micro inverter shell and the micro inverter, firstly, the inverter circuit board 1 is connected with the lower shell 602 through the threaded hole 5 at the corner of the inverter circuit board 1, under the protection action of the rubber gasket 8, the inverter circuit board 1 can be tightly connected and can not deform, and when the inverter circuit board is vibrated, the rubber gasket 8 can absorb a part of vibration force, so that the vibration influence on the inverter circuit board 1 is low, the looseness of the structure of the inverter circuit board 1 or the looseness of the connection between the component 3 and the inverter circuit board 1 is prevented, when the component 3 works, the component 3 can generate heat, under the action of the heat absorption copper plate 301, the heat is rapidly absorbed, the ventilation window 7 introduces the external low temperature into the shell 6, and the low temperature air is contacted with the heat absorption copper plate 301 through the ventilation hole 302, the high temperature is brought to the auxiliary radiating fin 4 and the other ventilation window 7 in the air, part of heat is absorbed under the action of other heat absorption copper plates 301 and is directly conducted to the radiating fins 603, so that under the matching action of the heat absorption copper plates 301, the vent holes 302, the auxiliary radiating fins 4 and the radiating fins 603, the high temperature in the inverter can achieve the effect of fast radiating, and the use process of the whole micro-inverter shell and the micro-inverter is completed.

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. The utility model provides a micro-inverter shell and micro-inverter, includes inverter circuit board (1) and rubber gasket (8), its characterized in that: the inside left end of inverter circuit board (1) is provided with pilot lamp (2), and the right side of pilot lamp (2) is fixed with components and parts (3), the upper end of components and parts (3) is provided with auxiliary cooling fin (4), and auxiliary cooling fin (4) are close to the one end of inverter circuit board (1) and are provided with screw hole (5), the outside of inverter circuit board (1) is connected with shell (6), and the inboard table wall of shell (6) is provided with ventilation window (7), rubber gasket (8) are connected in the inside lower extreme of shell (6), the lower extreme of shell (6) is connected with stationary blade (9), and the inside of stationary blade (9) is provided with fixed orifices (10).

2. The microinverter housing and microinverter of claim 1, wherein: components and parts (3) are including endothermic copper (301) and ventilation hole (302), and the outside of components and parts (3) is connected with endothermic copper (301), the outside of endothermic copper (301) is provided with ventilation hole (302).

3. The microinverter housing and microinverter of claim 2, wherein: the heat absorption copper plate (301) is connected with the component (3) in a welding mode, and the number of the heat absorption copper plates (301) is two.

4. The microinverter housing and microinverter of claim 1, wherein: the shell (6) comprises an upper shell (601), a lower shell (602) and cooling fins (603), the upper end of the shell (6) is provided with the upper shell (601), the lower end of the upper shell (601) is connected with the lower shell (602), and the upper end of the upper shell (601) is connected with the cooling fins (603).

5. The microinverter housing and microinverter of claim 4, wherein: the upper shell (601) is in threaded connection with the lower shell (602), and the shape structure of the upper shell (601) is matched with that of the lower shell (602).

6. The microinverter housing and microinverter of claim 1, wherein: the ventilation windows (7) are arranged in two, and the rubber gasket (8) is connected with the shell (6) in an adhesion mode.