CN219145738U

CN219145738U - PCB for photovoltaic inverter

Info

Publication number: CN219145738U
Application number: CN202223301926.3U
Authority: CN
Inventors: 杨立志; 张怀雄; 赖荣春
Original assignee: Jiangxi Jiyan Xinyang Electronics Co ltd
Current assignee: Jiangxi Jiyan Xinyang Electronics Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-06-06
Anticipated expiration: 2032-12-05

Abstract

The utility model provides a PCB for a photovoltaic inverter, which comprises a photovoltaic inverter case, a PCB main body and triodes, wherein the PCB main body is fixedly arranged in the photovoltaic inverter case, the triodes are welded on the PCB main body, and two groups of symmetrically arranged supporting components are arranged on the surface of the PCB main body; according to the utility model, through the mutual coordination among the fixing plate, the mounting frame, the fixing hole, the fixing bolt and the buckle, the fixing plate can be mounted and fixed on the PCB main body, and the circular through groove formed on the surface of the triode is clamped on the buckle, so that the welded triode can be supported and fixed conveniently, the influence of external force or gravity on the triode is effectively reduced, and the stable operation of a circuit in the photovoltaic inverter is improved.

Description

PCB for photovoltaic inverter

Technical Field

The utility model belongs to the field of photovoltaic power generation, and particularly relates to a PCB for a photovoltaic inverter.

Background

The photovoltaic power generation system mainly comprises an inverter, a controller, a photovoltaic cell array, an energy storage device and the like, wherein the inverter is also called an inverter power supply, the inverter mainly comprises a semiconductor power device and an inverter driving and controlling circuit, a photovoltaic inverter PCB circuit board adopts an FR-4 glass fiber PCB circuit board, and the thickness of the photovoltaic inverter PCB circuit board is customized and processed to be 2.0 mm;

at present, vertical triodes are welded on a PCB (printed Circuit Board) in the photovoltaic inverter, and due to vertical welding, the triodes can be inclined and bent under the influence of external force or long-term gravity, so that circuit faults or damage of the PCB are caused, and the normal operation of the photovoltaic inverter is influenced.

In summary, the present utility model provides a PCB board for a photovoltaic inverter to solve the above problems.

Disclosure of Invention

The utility model aims to provide a PCB for a photovoltaic inverter, which solves the problems that a triode welded on a PCB circuit board in the photovoltaic inverter, which is proposed in the background art, can have inclined bending of welding spots under the influence of external force or long-term gravity, so that circuit faults or damage of the PCB circuit board are caused and the normal operation of the photovoltaic inverter is influenced;

in order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a PCB board for photovoltaic inverter, includes photovoltaic inverter machine case, PCB board main part and triode, PCB board main part fixed mounting is in photovoltaic inverter machine case's inside, the triode welds in PCB board main part, the surface mounting of PCB board main part has the supporting component that two sets of symmetries set up.

Preferably, the support assembly includes: fixed plate, mounting bracket, fixed orifices, gim peg and buckle, mounting bracket fixed connection is on the surface of fixed plate, the equidistant surface of seting up at the mounting bracket in fixed orifices.

Preferably, the fixing bolt penetrates through the fixing hole and is connected with the main body of the PCB in a threaded mode.

Preferably, the buckle is fixedly connected to the surface of the fixing plate.

Preferably, the fixed plate is made of PVC material, and the fixed plate, the mounting frame and the buckle are of an integrated structure.

Preferably, the number of the fixing holes is three, and the three fixing holes are respectively formed at two ends and in the middle of the mounting frame.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, through the mutual coordination among the fixing plate, the mounting frame, the fixing hole, the fixing bolt and the buckle, the fixing plate can be mounted and fixed on the PCB main body, and the circular through groove formed on the surface of the triode is clamped on the buckle, so that the welded triode can be supported and fixed conveniently, the influence of external force or gravity on the triode is effectively reduced, and the stable operation of a circuit in the photovoltaic inverter is improved.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

fig. 2 is a schematic diagram of a front view cross-section structure of a main body of a PCB board according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a mounting plate of the present utility model;

FIG. 4 is a schematic perspective view of a fixing plate according to the present utility model;

FIG. 5 is a tripolar of the present utility model a pipe structure schematic diagram.

In the figure:

1. a photovoltaic inverter chassis; 2. a PCB main body; 3. a triode; 4. a fixing plate; 5. a mounting frame; 6. a fixing hole; 7. a fixing bolt; 8. and (5) a buckle.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1-5, the utility model provides a PCB board for a photovoltaic inverter, comprising a photovoltaic inverter case 1, a PCB board main body 2 and a triode 3, wherein the PCB board main body 2 is fixedly installed in the photovoltaic inverter case 1, the triode 3 is welded on the PCB board main body 2, two groups of symmetrically arranged support components are installed on the surface of the PCB board main body 2, and the support components comprise: fixed plate 4, mounting bracket 5, fixed orifices 6, dead bolt 7 and buckle 8, mounting bracket 5 fixed connection is at the surface of fixed plate 4, fixed orifices 6 equidistant seting up the surface at mounting bracket 5, the quantity of seting up of fixed orifices 6 has three, and three fixed orifices 6 are seted up respectively at the both ends and the centre of mounting bracket 5, in order to make mounting bracket 5 atress more even, make fixed plate 4 fix more firmly, the inside that dead bolt 7 runs through and inserts fixed orifices 6 and PCB board main part 2 threaded connection, thereby can make fixed plate 4 fix on PCB board main part 2, buckle 8 fixed connection is at the surface of fixed plate 4, fixed plate 4 is the PVC material, and be integrated into one piece structure between fixed plate 4, mounting bracket 5 and the buckle 8, the PVC material has certain toughness, make the toughness of buckle 8 better, in order to conveniently insert the circular through-hole of triode 3 surface seting up, what needs special explanation here is, size and quantity that fixed plate 4 and buckle 8 can be according to triode 3 actual size and quantity change of making the adaptation.

The specific working principle is as follows: as shown in fig. 1-5, when the PCB board for a photovoltaic inverter is used, firstly, the PCB board main body 2 is installed inside the case 1 of the photovoltaic inverter, then two fixing boards 4 are attached to corresponding installation positions on the PCB board main body 2, the fixing bolts 7 are used for installation and fixation, the buckles 8 are aligned with through holes formed in the triodes 3, and finally the triodes 3 are pressed forcefully, so that the buckles 8 are completely inserted into the circular through holes formed in the triodes 3, thereby effectively supporting and fixing the triodes 3, reducing the influence of external force or gravity on the triodes 3, and being beneficial to improving the stable operation of circuits in the photovoltaic inverter.

The embodiments of the present utility model have been shown and described for the purpose of illustration and description, it being understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made therein by one of ordinary skill in the art without departing from the scope of the utility model.

Claims

1. The utility model provides a PCB board for photovoltaic inverter, includes photovoltaic inverter machine case (1), PCB board main part (2) and triode (3), its characterized in that: the photovoltaic inverter comprises a photovoltaic inverter chassis (1), a triode (3) and a PCB main body (2), wherein the PCB main body (2) is fixedly arranged in the photovoltaic inverter chassis (1), the triode (3) is welded on the PCB main body (2), and two groups of symmetrically arranged supporting components are arranged on the surface of the PCB main body (2).

2. A PCB for a photovoltaic inverter as claimed in claim 1, wherein: the support assembly includes: fixed plate (4), mounting bracket (5), fixed orifices (6), gim peg (7) and buckle (8), mounting bracket (5) fixed connection is at the surface of fixed plate (4), the equidistant surface of seting up in mounting bracket (5) of fixed orifices (6).

3. A PCB for a photovoltaic inverter as claimed in claim 2, wherein: the fixing bolt (7) penetrates through the fixing hole (6) and is connected with the PCB main body (2) in a threaded mode.

4. A PCB for a photovoltaic inverter as claimed in claim 2, wherein: the buckle (8) is fixedly connected to the surface of the fixing plate (4).

5. A PCB for a photovoltaic inverter as claimed in claim 2, wherein: the fixing plate (4) is made of PVC, and the fixing plate (4), the mounting frame (5) and the buckle (8) are of an integrated structure.

6. A PCB for a photovoltaic inverter as claimed in claim 2, wherein: the number of the fixing holes (6) is three, and the three fixing holes (6) are respectively formed at the two ends and the middle of the mounting frame (5).