Plate end combined connector for micro inverter

Abstract

The utility model provides a plate-end combined connector for a micro inverter, which comprises a body and a plurality of connectors arranged on the body, and shells of the connectors and the body are of an integrated structure. A plurality of mounting columns are arranged on the body, and the plurality of mounting columns and the plurality of connectors are arranged in a staggered manner; the body is provided with the fool-proof guide column, so that installation is convenient. The board end combined connector for the micro inverter adopts integral injection molding, is high in integration level and good in integrity, reduces the comprehensive cost, and enables the construction to be more efficient and convenient; the plurality of mounting columns and the plurality of connectors on the body are arranged in a staggered manner, and reinforcing ribs are arranged between the mounting columns and the adjacent connectors and between the mounting columns and the edge of the body, so that the structural strength is improved, the mounting stability is improved, and the warping deformation phenomenon is effectively prevented; and a plurality of sealing structures are designed, so that the waterproof performance is enhanced, and the safety and reliability of the product are improved.

Description

Technical Field

[0001] The utility model relates to the field of distributed photovoltaic system application equipment, in particular to a board-end combined connector for a micro inverter. Background Art

[0002] With the continuous development of the new energy industry, photovoltaic power generation systems that convert solar energy into electrical energy are widely used in various fields. As one of the important components of photovoltaic power generation systems, micro inverters can convert the direct current generated by photovoltaic solar panels into 240V, 50Hz alternating current or other types of alternating current and output them to meet the power needs of various equipment.

[0003] The housing of a micro inverter is often equipped with multiple board-end connectors, one end of which is connected to the circuit board inside the photovoltaic inverter, and the other end extends out of the photovoltaic inverter housing to connect to other connectors. In current photovoltaic inverters, multiple board-end connectors are mostly bulk individuals that need to be installed one by one, which has low installation efficiency; some board-end connectors adopt a modular structure, which is large in size, inconvenient to assemble, and prone to warping and deformation. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a board-end combined connector for a micro inverter. Multiple connectors adopt an integrated structure with high integration and good integrity, which can improve safety and reliability and make construction more efficient and convenient.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A board-end combined connector for a micro-inverter comprises a main body and a plurality of connectors arranged on the main body, wherein the shells of the plurality of connectors are an integral structure with the main body; the main body has a first side surface and a second side surface, the connector has a fixed end and a plug-in end, the fixed ends of the plurality of connectors are located on the first side surface of the main body, and the plug-in ends of the plurality of connectors are located on the second side surface of the main body; a plurality of mounting posts are arranged on the main body, the plurality of mounting posts are staggered with the plurality of connectors, mounting holes are arranged inside the mounting posts, and the central axis of the mounting holes is parallel to the central axis of the connector.

[0007] Preferably, an anti-foolproof guide column is protrudingly formed on the main body toward the first side surface.

[0008] Preferably, reinforcing ribs are provided between the mounting post and an adjacent connector, and between the mounting post and an edge of the body.

[0009] Preferably, a board end sealing groove is provided between the main body and the fixed end of the connector, and a board end sealing gasket is provided at the board end sealing groove.

[0010] Preferably, the side of the body has a glue inlet surface, and two glue inlet ports are symmetrically arranged on the glue inlet surface.

[0011] Preferably, a conductor and a connection terminal are provided inside the connector, the conductor is provided inside the plug-in end of the connector, one end of the connection terminal is connected to the conductor, and the other end extends from the fixed end of the connector.

[0012] Preferably, a connector sealing gasket is sleeved on the connecting terminal, and the connector sealing gasket is located between the connecting terminal and the fixed end housing of the connector.

[0013] Preferably, the connecting terminal is an OT terminal.

[0014] Preferably, two positive connectors and two negative connectors are arranged side by side on the body, and the two positive connectors and the two negative connectors are arranged alternately; five mounting posts are arranged, and the five mounting posts and the four connectors are arranged alternately.

[0015] Preferably, the plug-in end of the positive connector is provided with a connector sealing groove, and a connector sealing ring is provided in the connector sealing groove.

[0016] Compared with the prior art, the beneficial effects of the utility model are as follows: in the board-end combination connector for the micro-inverter of the utility model, the shells of multiple connectors and the main body are an integrated structure with high integration and good integrity, which reduces the overall cost and makes the construction more efficient and convenient; the multiple mounting columns and the multiple connectors on the main body are staggered, and reinforcing ribs are provided between the mounting columns and the adjacent connectors and between the mounting columns and the edges of the main body, which improves the structural strength, improves the installation stability, and effectively prevents warping and deformation; multiple sealing structures are designed to enhance the waterproof performance and improve the safety and reliability of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The present invention is a three-dimensional diagram of a micro inverter board-end combined connector according to an embodiment of the present invention.

[0018] Figure 2 The present invention is a schematic structural diagram of a micro inverter board-end combined connector at a viewing angle according to an embodiment of the present invention.

[0019] Figure 3 It is a structural schematic diagram of a micro inverter board-end combined connector according to an embodiment of the utility model from another perspective.

[0020] Figure 4 The cross-sectional view of a board-end combined connector for a micro inverter according to an embodiment of the utility model.

[0021] In the figure, 100-board end combination connector, 10-main body, 11-first side, 12-second side, 13-mounting column, 131-mounting hole, 14-foolproof guide column, 15-reinforcing rib, 16-board end sealing groove, 17-board end sealing gasket, 18-glue inlet surface, 19-glue inlet, 20-connector, 21-fixed connection end, 22-plug end, 23-conductor, 24-connecting terminal, 25-connector sealing gasket, 26-connector sealing groove, 27-connector sealing ring. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model. It can be understood that some technical means of the various embodiments described herein can be replaced or combined with each other without conflict.

[0023] In the description of the present invention, if there are terms such as "first", "second", etc., they are only used to distinguish the objects described, and do not have any order or technical meaning. Therefore, the objects defined as "first", "second", etc. may explicitly or implicitly include one or more of the objects. Moreover, "one" or "a" and similar words do not indicate a quantity limitation, but indicate the existence of at least one, and "multiple" means not less than two.

[0024] In the description of the utility model specification, reference to "one embodiment" or "some embodiments" etc. means that one or more embodiments of the utility model include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, the phrases "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. appearing in different places in the specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways.

[0025] Please refer to Figures 1 to 4The utility model provides a board-end combined connector 100 for a micro inverter, which includes a body 10 and a plurality of connectors 20 arranged on the body 10, wherein the housings of the plurality of connectors 20 are an integrated structure with the body 10. The body 10 has a first side surface 11 and a second side surface 12, and the connector 20 has a fixed end 21 and a plug-in end 22, wherein the fixed end 21 of the plurality of connectors 20 is located on the first side surface 11 of the body 10, and the plug-in end 22 of the plurality of connectors 20 is located on the second side surface 12 of the body 10. The body 10 is provided with a plurality of mounting posts 13, wherein the plurality of mounting posts 13 are staggeredly arranged with the plurality of connectors 20, and the interior of the mounting posts 13 is provided with mounting holes 131, wherein the central axis of the mounting hole 131 is parallel to the central axis of the connector 20.

[0026] Among them, the main body 10 and the shells of multiple connectors 20 can be integrally formed by injection molding, the plug ends 22 of multiple connectors 20 are on the same side of the main body 10, and the fixed ends 21 of multiple connectors 20 are on the other side of the main body 10; the multiple mounting posts 13 provided on the main body 10 can be used to install the board-end combined connector 100 on the shell of the micro-inverter, the fixed end 21 of the connector 20 can be used to be fixedly connected to the circuit board inside the micro-inverter, and the plug end 22 of the connector 20 can be used to be connected to other connectors. The number of connectors 20 and the number of mounting posts 13 can be reasonably set according to actual needs, and the number of connectors 20 is preferably an even number, and half of the even number of connectors 20 are positive connectors and the other half are negative connectors.

[0027] In the board-end combined connector 100 for a micro inverter of the present invention, the shells of the multiple connectors 20 and the main body 10 are an integrated structure with high integration and good integrity, which reduces the overall cost and makes the construction more efficient and convenient; the multiple mounting columns 13 on the main body 10 and the multiple connectors 20 are staggered, which improves the installation stability and effectiveness, prevents warping and deformation, and improves the safety and reliability of the product.

[0028] See also Figure 3 In some preferred embodiments of the utility model, a foolproof guide column 14 is formed on the body 10 and protrudes toward the first side surface 11. The foolproof guide column 14 is preferably designed at an eccentric position of the body 10. Correspondingly, a guide hole is provided on the shell of the micro inverter. During installation, only when the foolproof guide column 14 is correspondingly inserted into the guide hole, the first side surface 11 of the body 10 can be fitted with the shell of the micro inverter, thereby realizing the foolproof installation function, avoiding installation errors, and ensuring reliability.

[0029] In some preferred embodiments of the present invention, reinforcing ribs 15 are provided between the mounting post 13 and the adjacent connector 20, and between the mounting post 13 and the edge of the body 10. The reinforcing ribs 15 may be provided along the radial direction of the mounting post 13, and multiple reinforcing ribs 15 may be provided around each mounting post 13 to enhance the structural strength of the product and avoid warping and deformation during installation or use.

[0030] Furthermore, the side of the body 10 has a glue feeding surface 18, and two glue feeding ports 19 are symmetrically arranged on the glue feeding surface 18, so that uniform glue feeding can be achieved during injection molding.

[0031] See also Figure 4 In some preferred embodiments of the utility model, a board end sealing groove 16 is provided between the body 10 and the fixed end 21 of the connector 20, and a board end sealing gasket 17 is provided at the board end sealing groove 16, and the board end sealing gasket 17 surrounds the fixed end 21 of the connector. During installation, the first side surface 11 of the body 10 is attached to the housing of the micro inverter, and the board end sealing gasket 16 can fit tightly between the connector and the housing of the micro inverter, thereby enhancing the sealing between the connector and the housing of the micro inverter and improving reliability and safety.

[0032] In some preferred embodiments of the utility model, a conductor 23 and a connection terminal 24 are provided inside the connector 20, the conductor 23 is provided inside the plug end 22 of the connector 20, one end of the connection terminal 24 is connected to the conductor 23, and the other end extends from the fixed end 21 of the connector 20. The conductor 23 is used to conduct conductive connection with the conductor in other connectors, and the conductor 23 can be reasonably set according to the use requirements of connectors with different polarities; the connection terminal 24 is used to realize the connection between the conductor 23 and the circuit board inside the micro inverter.

[0033] Preferably, a connector sealing pad 25 is sleeved on the connection terminal 24, and the connector sealing pad 25 is located between the connection terminal 24 and the housing of the fixed end 21 of the connector 20. The connector sealing pad 25 can enhance the sealing between the connection terminal 24 and the housing of the connector 20, and improve reliability and safety.

[0034] Furthermore, the connection terminal 24 may be an OT terminal, the cylindrical end of the OT terminal is fixedly connected to the conductor 23 , and the flat circular end of the OT terminal is used to be fixedly connected to a circuit board inside the micro inverter.

[0035] In some embodiments of the utility model, two positive connectors and two negative connectors are arranged side by side on the main body 10, and the two positive connectors and the two negative connectors are arranged alternately. There are five mounting posts 13, and the five mounting posts 13 are arranged alternately with the four connectors. Each positive connector is provided with a socket, a drum spring and a connecting terminal, and the drum spring is engaged with the inside of the socket, and the drum spring can enhance the firmness of the socket when plugging with the pins in other connectors; each negative connector is provided with a pin and a connecting terminal, wherein the socket, drum spring, pin and connecting terminal are all made of conductive materials. Of course, the utility model is not limited to this. In other embodiments, the number and arrangement of the positive and negative connectors and the mounting posts can also adopt other reasonable designs.

[0036] Furthermore, the plug-in end 22 of the positive connector is provided with a connector sealing groove 26, and a connector sealing ring 27 is provided in the connector sealing groove 26. The connector sealing ring 27 surrounds the plug-in end 22 of the positive connector. When the positive connector is plugged and connected with other connectors, the connector sealing ring 27 can fit tightly against the inner wall of the other connector, thereby enhancing the sealing, reliability and safety.

[0037] The utility model provides a board-end combined connector for a micro-inverter, in which the shells of multiple connectors and a body are an integrated structure with high integration and good integrity, which reduces the overall cost, makes the construction more efficient and convenient, and can be applied to more application scenarios; multiple mounting posts and multiple connectors on the body are staggered, and reinforcing ribs are provided between the mounting posts and adjacent connectors and between the mounting posts and the edges of the body, which improves the structural strength, improves the installation stability, and effectively prevents warping and deformation; multiple sealing structures are designed to enhance the waterproof performance and improve the safety and reliability of the product.

[0038] The present invention has been described by the above-mentioned relevant embodiments, however, the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, any changes and modifications made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. A board-end combined connector for a micro inverter, characterized in that: It includes a main body and multiple connectors arranged on the main body, the shells of the multiple connectors are an integrated structure with the main body; the main body has a first side surface and a second side surface, the connector has a fixed end and a plug-in end, the fixed ends of the multiple connectors are located on the first side surface of the main body, and the plug-in ends of the multiple connectors are located on the second side surface of the main body; the main body is provided with multiple mounting columns, the multiple mounting columns and the multiple connectors are staggered, and the mounting columns are provided with mounting holes inside, and the central axis of the mounting holes is parallel to the central axis of the connector.

2. The micro-inverter board-end combined connector according to claim 1, characterized in that: An anti-foolproof guide column is protruded and formed on the main body toward the first side surface.

3. The micro-inverter board-end combined connector according to claim 1, characterized in that: Reinforcing ribs are provided between the mounting post and the adjacent connector, and between the mounting post and the edge of the body.

4. The micro-inverter board-end combined connector according to claim 1, characterized in that: A board end sealing groove is provided between the main body and the fixed connection end of the connector, and a board end sealing gasket is provided at the board end sealing groove.

5. The micro-inverter board-end combined connector according to claim 1, characterized in that: The side of the body has a glue inlet surface, and two glue inlet ports are symmetrically arranged on the glue inlet surface.

6. The micro-inverter board-end combined connector according to claim 1, characterized in that: A conductor and a connection terminal are arranged inside the connector. The conductor is arranged inside the plug-in end of the connector. One end of the connection terminal is connected to the conductor, and the other end extends from the fixed end of the connector.

7. The micro-inverter board-end combined connector according to claim 6, characterized in that: A connector sealing pad is sleeved on the connecting terminal, and the connector sealing pad is located between the connecting terminal and the fixed end housing of the connector.

8. The micro-inverter board-end combined connector according to claim 6, characterized in that: The connection terminal is an OT terminal.

9. The micro-inverter board-end combined connector according to claim 1, characterized in that: Two positive connectors and two negative connectors are arranged side by side on the body, and the two positive connectors and the two negative connectors are arranged alternately; five mounting posts are arranged, and the five mounting posts and the four connectors are arranged alternately.

10. The micro-inverter board-end combined connector according to claim 9, characterized in that: The plug-in end of the positive connector is provided with a connector sealing groove, and a connector sealing ring is provided in the connector sealing groove.

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