CN223321971U

CN223321971U - A photovoltaic micro inverter

Info

Publication number: CN223321971U
Application number: CN202422694308.2U
Authority: CN
Inventors: 殷立夫
Original assignee: Wuhan Hatch Solar Co ltd
Current assignee: Wuhan Hatch Solar Co ltd
Priority date: 2024-11-06
Filing date: 2024-11-06
Publication date: 2025-09-09
Anticipated expiration: 2034-11-06

Abstract

The utility model discloses a photovoltaic micro-inverter, which specifically relates to the field of inverter technology, including: a base plate, a connecting plate installed on the top of the base plate, a groove provided in the middle of the side wall of the connecting plate, a shell installed on one side of the base plate; a connecting structure installed on both sides of the shell, and the connecting structure includes a mounting block, a nut, a pad and a threaded block. The utility model installs a mounting block on one side of the wire, and the mounting block and the shell form a snap-fit structure, so that the mounting block on the side of the wire can be snapped into the inside of the shell, and the threaded block and the nut on the mounting block form a threaded connection, and tightening the nut will squeeze the threaded block, so that the threaded block is pressed, and the pad can make the nut more stable. The threaded block and the mounting block can cooperate to fix the wire and the plug. When replacement is needed, the nut can be unscrewed to replace the plug, thereby achieving the purpose of facilitating the replacement and fixation of the photovoltaic micro-inverter.

Description

Photovoltaic micro inverter

Technical Field

The utility model relates to the field of inverters, in particular to a photovoltaic micro-inverter.

Background

The inverter is a converter for converting direct current energy into alternating current with fixed frequency and fixed voltage or frequency and voltage. It is composed of inverter bridge, control logic and filter circuit, and is widely applicable to air conditioner, home theater, electric grinding wheel, electric tool, sewing machine, DVD, VCD, computer, television, washing machine, smoke exhaust ventilator and refrigerator, video recorders, massagers, fans, lighting, etc., photovoltaic power generation systems, simply referred to as photovoltaic, refer to power generation systems that utilize the photovoltaic effect of photovoltaic cells to directly convert solar radiation energy into electrical energy, which requires a photovoltaic micro-inverter.

For this reason, disclosed in the patent specification of publication No. CN220653192U is a technical field of balcony photovoltaic micro-inverter equipment, especially a balcony photovoltaic micro-inverter, including micro-inverter body, cast aluminum housing, aluminum alloy cover plate, mounting hole, housing ground hole, mounting helicoidal groove, sealing screw, work pilot lamp, first AC output, first PV input, second AC output, second PV input, wiFi antenna and WiFi networking button. This patent protects micro-inverter body through cast aluminum shell and aluminum alloy apron, prevents that outside striking from causing the damage of micro-inverter body, runs through installation helicoidal groove with cast aluminum shell and aluminum alloy apron threaded connection through sealing screw, be convenient for install and dismantle, be convenient for install aluminum alloy apron and wall through the mounting hole, it is convenient to fix balcony photovoltaic micro-inverter, be convenient for display device's running state through the work pilot lamp, be used for receiving the wiFi signal through the wiFi antenna, the wiFi networking button is convenient for carry out networking operation, be convenient for control and adjust, convenient to use is swift.

Although current photovoltaic micro-inverters can basically meet the use requirements of people, some problems still exist, and the specific problems are as follows:

1. The photovoltaic micro inverter is difficult to replace and fix the plug, and when different devices are connected, plugs of different models may be required, and the plugs need to be replaced for use.

2. The photovoltaic micro-inverter is difficult to dissipate heat, and a large amount of heat is generated when the inverter works, and the heat is difficult to dissipate, so that the work of the inverter is influenced.

Disclosure of utility model

The utility model aims to provide a photovoltaic micro inverter which is used for solving the defects that the existing photovoltaic micro inverter is difficult to replace and fix a plug and difficult to dissipate heat.

In order to achieve the above purpose, the utility model provides a photovoltaic micro inverter comprising:

the bottom plate, install the connecting plate on the top of bottom plate, be provided with the recess in the middle of the lateral wall of connecting plate, one side of bottom plate installs the shell;

The connecting structure comprises a mounting block, a nut, a base plate and a threaded block, wherein the base plate is mounted on the side wall of the shell, the mounting block is arranged on one side of the base plate, the threaded block is arranged at one end of the mounting block, and the nut is screwed on the threaded block;

The utility model discloses a solar cell module, including connecting plate, shell, plug, heat radiation structure, connection structure, plug, shell and heat radiation structure are all installed to the both ends of connecting plate, connection structure's one end is connected with the wire, the plug is installed to the one end of wire, the lateral wall of shell is provided with heat radiation structure.

Preferably, the two sides of the bottom plate are movably connected with mounting screws, and the mounting screws are symmetrically distributed about the central axis of the bottom plate.

Preferably, the dismounting structure comprises a track, a fixing screw and a mounting groove, wherein the track is arranged at the top end of the connecting plate, the mounting groove is arranged at the bottom end of the track, and the fixing screw is arranged at one end of the mounting groove.

Preferably, the fixing screw is in threaded connection with the mounting groove;

The outer side of the fixing screw is provided with an upper external thread, and the inner side of the mounting groove is provided with an internal thread matched with the external thread.

Preferably, the heat dissipation structure comprises a plurality of groups of first heat dissipation fins, second heat dissipation fins and third heat dissipation fins, wherein the first heat dissipation fins are uniformly arranged at the four ends of the outer side of the shell, and the second heat dissipation fins are arranged at one side of the outer wall of the shell, which is opposite to the bottom plate.

Preferably, the third radiating fins are arranged at two ends of the outer wall of the shell at equal intervals, and two ends of the third radiating fins are connected with the inner sides of the second radiating fins.

Preferably, a clamping groove is formed in one side of the mounting block, a clamping block is arranged on one side of the housing, and the mounting block and the housing form a clamping structure.

In the technical scheme, the utility model has the technical effects and advantages that:

The installation block is arranged on one side of the lead, the installation block and the shell form a clamping structure, the installation block on one side of the lead can be clamped into the shell, the threaded block on the installation block is in threaded connection with the nut, the threaded block is extruded by tightening the nut, the threaded block is compressed, the base plate can enable the nut to be fixed more stably, the lead and the plug can be fixed by matching the threaded block with the installation block, and when the lead and the plug need to be replaced, the plug can be replaced by unscrewing the nut, so that the purpose that the plug is convenient to replace and fix the photovoltaic micro inverter is achieved;

Through set up heat radiation structure outside the shell, first fin, second fin and third fin on the heat radiation structure all are equidistant range, and the fin can be through the effectual material of heat conduction, for example brass materials makes, and first fin, second fin and third fin surface area are great, can absorb the heat of shell, then because the great surface area of fin, can dispel the heat fast to this reaches the photovoltaic micro-inverter and is convenient for dispel the heat the purpose.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

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

FIG. 2 is a front view of the present utility model;

FIG. 3 is an enlarged view of portion A of FIG. 2 in accordance with the present utility model;

FIG. 4 is a side view of the present utility model;

Fig. 5 is a schematic structural view of the connecting plate of the present utility model.

Reference numerals illustrate:

1. The heat dissipation device comprises a bottom plate, a 2, a shell, a 3, a connecting plate, a4, a groove, a 5, a dismounting structure, a 501, a track, a 502, a fixing screw, a 503, a mounting groove, a 6, a heat dissipation structure, a 601, a first heat dissipation sheet, a 602, a second heat dissipation sheet, a 603, a third heat dissipation sheet, a 7, a plug, an 8, a wire, a 9, a connecting structure, a 901, a mounting block, a 902, a nut, a 903, a backing plate, a 904, a screw block and a 10, and a mounting screw.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The present utility model provides a photovoltaic micro inverter as shown in fig. 1 to 5, comprising:

The bottom plate 1, the top of the bottom plate 1 is provided with a connecting plate 3, the middle of the side wall of the connecting plate 3 is provided with a groove 4, and one side of the bottom plate 1 is provided with a shell 2;

The two sides of the bottom plate 1 are movably connected with mounting screws 10, and the mounting screws 10 are symmetrically distributed about the central axis of the bottom plate 1;

The connecting structure 9 is arranged on two sides of the shell 2, the connecting structure 9 comprises a mounting block 901, a nut 902, a backing plate 903 and a threaded block 904, the backing plate 903 is arranged on the side wall of the shell 2, the mounting block 901 is arranged on one side of the backing plate 903, the threaded block 904 is arranged at one end of the mounting block 901, and the nut 902 is connected to the threaded block 904 in a screwing mode;

One side of the mounting block 901 is provided with a clamping groove, one side of the housing 2 is provided with a clamping block, and the mounting block 901 and the housing 2 form a clamping structure.

Specifically, as shown in fig. 2-3, the mounting block 901 and the housing 2 form a clamping structure, the mounting block 901 on one side of the lead 8 can be clamped into the housing 2, the threaded block 904 on the mounting block 901 and the nut 902 form threaded connection, the threaded block 904 can be extruded by tightening the nut 902, the threaded block 904 is tightly pressed, the nut 902 can be fixed more stably by the backing plate 903, the lead 8 and the plug 7 can be fixed by matching the threaded block 904 with the mounting block 901, and when the lead 8 and the plug 7 need to be replaced, the plug 7 can be replaced by unscrewing the nut 902.

The dismounting structure 5 is mounted at two ends of the connecting plate 3, the dismounting structure 5 comprises a track 501, a fixing screw 502 and a mounting groove 503, the track 501 is arranged at the top end of the connecting plate 3, the mounting groove 503 is arranged at the bottom end of the track 501, and the fixing screw 502 is arranged at one end of the mounting groove 503;

The set screw 502 is threadedly coupled to the mounting slot 503;

wherein, the outside of the fixed screw 502 is provided with an upper external thread, and the inside of the mounting groove 503 is provided with an internal thread matched with the external thread.

Specifically, as shown in fig. 1, 2 and 5, the fixing screw 502 can be installed through the track 501, the fixing screw 502 can slide into the installation groove 503 along the track 501, the fixing screw 502 can move in the installation groove 503, the inverter can be fixed and installed through the fixing screw 502, and the fixing screw 502 can also move in the installation groove 503, so that the installation of the device is more diversified.

One end of the connecting structure 9 is connected with a wire 8, one end of the wire 8 is provided with a plug 7, and the side wall of the shell 2 is provided with a heat dissipation structure 6;

The heat dissipation structure 6 comprises a plurality of groups of first heat dissipation fins 601, second heat dissipation fins 602 and third heat dissipation fins 603, wherein the first heat dissipation fins 601 are uniformly arranged at the four ends of the outer side of the shell 2, and the second heat dissipation fins 602 are arranged at one side of the outer wall of the shell 2 relative to the bottom plate 1;

The third heat sinks 603 are arranged at two ends of the outer wall of the casing 2 at equal intervals, and two ends of the third heat sinks 603 are connected with the inner sides of the second heat sinks 602.

Specifically, as shown in fig. 1-2, the first heat dissipating fins 601, the second heat dissipating fins 602 and the third heat dissipating fins 603 are all arranged at equal intervals, the heat dissipating fins are made of a material with good heat conducting effect, such as brass, the surface areas of the first heat dissipating fins 601, the second heat dissipating fins 602 and the third heat dissipating fins 603 are larger, heat of the housing 2 can be absorbed, and then heat dissipation can be performed rapidly due to the larger surface areas of the heat dissipating fins.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. A photovoltaic micro-inverter, comprising:

The novel portable electronic device comprises a bottom plate (1), wherein a connecting plate (3) is arranged at the top end of the bottom plate (1), a groove (4) is formed in the middle of the side wall of the connecting plate (3), and a shell (2) is arranged on one side of the bottom plate (1);

The connecting structure (9) is arranged on two sides of the shell (2), the connecting structure (9) comprises a mounting block (901), a nut (902), a base plate (903) and a threaded block (904), the base plate (903) is arranged on the side wall of the shell (2), the mounting block (901) is arranged on one side of the base plate (903), the threaded block (904) is arranged at one end of the mounting block (901), and the nut (902) is connected to the threaded block (904) in a screwing mode;

The utility model discloses a solar cell module, including connecting plate (3), heat radiation structure (6), plug (7) are installed to the one end of wire (8), dismouting structure (5) are all installed at the both ends of connecting plate (3), the one end of connection structure (9) is connected with wire (8), the lateral wall of shell (2) is provided with heat radiation structure (6).

2. The photovoltaic micro inverter of claim 1, wherein the mounting screws (10) are movably connected to two sides of the bottom plate (1), and the mounting screws (10) are symmetrically distributed with respect to the central axis of the bottom plate (1).

3. The photovoltaic micro inverter of claim 1, wherein the dismounting structure (5) comprises a track (501), a fixing screw (502) and a mounting groove (503), the track (501) is arranged at the top end of the connecting plate (3), the mounting groove (503) is arranged at the bottom end of the track (501), and the fixing screw (502) is arranged at one end of the mounting groove (503).

4. A photovoltaic micro-inverter according to claim 3, wherein the fixing screw (502) is screwed with the mounting groove (503);

The outer side of the fixing screw (502) is provided with an upper external thread, and the inner side of the mounting groove (503) is provided with an internal thread matched with the external thread.

5. The photovoltaic micro-inverter of claim 1, wherein the heat dissipation structure (6) comprises a plurality of groups of first heat dissipation fins (601), second heat dissipation fins (602) and third heat dissipation fins (603), the first heat dissipation fins (601) are uniformly arranged at the four outer ends of the shell (2), and the second heat dissipation fins (602) are arranged at one side of the outer wall of the shell (2) relative to the bottom plate (1).

6. The photovoltaic micro-inverter of claim 5, wherein the third heat sinks (603) are arranged at two ends of the outer wall of the housing (2) at equal intervals, and two ends of the third heat sinks (603) are connected with the inner sides of the second heat sinks (602).

7. The photovoltaic micro inverter of claim 1, wherein a clamping groove is formed in one side of the mounting block (901), a clamping block is arranged in one side of the housing (2), and the mounting block (901) and the housing (2) form a clamping structure.