CN216929884U

CN216929884U - Wall-hanging photovoltaic inverter

Info

Publication number: CN216929884U
Application number: CN202220416640.0U
Authority: CN
Inventors: 宋云辉; 卢盈; 吴生闻
Original assignee: Aishiwei New Energy Technology Yangzhong Co ltd
Current assignee: Aishiwei New Energy Technology Yangzhong Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-07-08
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a wall-mounted photovoltaic inverter, which comprises an inverter main body and a wall hanging plate, wherein the inverter main body comprises a box body and a plurality of parallel fins, and the wall hanging plate is provided with: a body; the two bent edge parts are respectively formed by bending forwards from two opposite side parts of the body, and each bent edge part is inserted between two adjacent fins and is connected with the fin positioned on the outer side through a fastener; two guide side portions for guiding the outer fin; the fin structure comprises two fins, wherein convex columns are arranged on the two fins, mounting grooves are formed in bent edge portions, the mounting grooves extend inwards from the edges of the bent edges and are provided with open notches, and the convex columns are inserted into the mounting grooves. The wall-mounted photovoltaic inverter is convenient to install.

Description

Wall-hanging photovoltaic inverter

Technical Field

The utility model belongs to the field of photovoltaic inverter installation, and particularly relates to a wall-mounted photovoltaic inverter.

Background

At present, solar energy is one of new energy and renewable energy, and a photovoltaic inverter is a main device of a solar photovoltaic power generation system, wherein a user photovoltaic inverter is generally installed on a wall of the user, so a wall hanging piece is an essential component. The general steps of photovoltaic inverter installation are: firstly, the wall hanging piece is fixed on a wall through expansion bolts, then the photovoltaic inverter is installed on the wall hanging piece, and finally the wall hanging piece is locked and fixed through screws. However, wall hanging pieces of different manufacturers are designed differently, and the current photovoltaic inverter is lower and lower in sales cost, so that the structure of the wall hanging piece needs to be simplified continuously to reduce the manufacturing cost. Meanwhile, the installation experience of a customer needs to be considered, so that the design of the wall hanging piece also needs to consider the convenience of manual installation.

SUMMERY OF THE UTILITY MODEL

In view of at least one of the above technical problems, the present invention provides a wall-mounted photovoltaic inverter, which is convenient to install.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a wall-mounted photovoltaic inverter comprises an inverter main body and a wall hanging plate used for connecting the inverter main body to a wall, wherein the inverter main body comprises a box body and a plurality of parallel fins arranged on the back surface of the box body, the wall hanging plate is integrally formed by metal plates, and the wall hanging plate is provided with:

a body for fitting a wall;

the two bent edge parts are respectively formed by bending forwards from two opposite side parts of the body, and each bent edge part is inserted between two adjacent fins and is connected with the fin positioned on the outer side through a fastener;

two guide side portions for guiding the outer fins, the guide side portions extending obliquely from front side portions of the bent side portions, respectively, a distance between front ends of the two guide side portions being smaller than a distance between rear ends thereof;

the fin structure comprises fins, a bending edge part and a mounting groove, wherein the fins are provided with convex columns, the bending edge part is provided with the mounting groove, the mounting groove extends inwards from the edge of the bending edge and is provided with an open notch, and the convex columns are inserted into the mounting groove.

Preferably, an included angle of 150 degrees is formed between a plane where the guide edge portion is located and a plane where the bent edge portion is located. This angle is very favorable to making the bent edge portion get between the fins, and the inverter can be pushed onto the wall hanging member relatively easily.

More preferably, the bent edge portion is provided with an observation hole. On the one hand, it can be observed through the mounting hole where the inverter is pushed, and the mounting state can be clearly observed; on the other hand, material can be saved.

Preferably, the wall cladding panel also has two lug portions by which it is attached to the wall, the lug portions being formed from material cut away from the viewing aperture. The lug part can be directly formed by the material cut from the observation hole, the processing is convenient, and the material is saved.

More preferably, the observation hole extends to the lateral part of the body, lug part and body are in the same plane, the lug part is provided with a screw hole for a screw to pass through, one of the screw hole on the lug part is a round hole, the other screw hole on the lug part is a waist-shaped hole, and the wall-hanging plate is connected with the wall only through the lug part. Furthermore, the side of the waist-shaped hole is also provided with a rectangular hole for positioning reference during installation, the rectangular hole has the function of reference positioning during the placement of the inverter and is not honest, and the convenience is good during installation of customers.

Preferably, the wall hanging plate is further provided with a flanging part, the flanging part is bent for 180 degrees from one side edge of the body, and the flanging part is positioned between the two bending edge parts. This turn-ups portion can increase the intensity of wall link plate itself, can prevent the problem that the dc-to-ac converter installation back leaned forward simultaneously again, carries out the butt location to the dc-to-ac converter.

Preferably, the mounting groove is located at an upper portion of the flange portion, and the flange portion is bent 180 degrees from a lower edge of the body.

More preferably, two the limit portion of bending is respectively from the left and right sides portion of body bending forward forms, the fin extends from top to bottom, and a plurality of the fin is controlled the interval and is set up, is equipped with respectively on the leftmost and rightmost side the fin the projection, and one of them limit portion of bending inserts between the most left fin and rather than adjacent fin and is connected with the most left fin, and another limit portion of bending inserts between the most right fin and rather than adjacent fin and is connected with the most right fin, the notch of mounting groove faces upwards.

Preferably, the body is provided with a plurality of hollow parts.

Preferably, the wall hanging plate is formed by blanking and bending a metal plate.

Compared with the prior art, the utility model has the following advantages by adopting the scheme:

according to the wall-mounted photovoltaic inverter, the body of the wall-mounted plate can be attached to a wall, when the wall-mounted photovoltaic inverter is installed, the guide edge is inserted between the fins of the inverter main body, then the inverter main body is pushed in, the convex columns on the fins are inserted into the installation grooves of the bending edge, the inverter is installed, the guide edge of the wall-mounted plate is inclined inwards from the front side of the bending edge, and therefore the guide effect is achieved for installation of the inverter, and installation is convenient.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a schematic perspective view of a wall-mounted photovoltaic inverter according to an embodiment of the utility model;

fig. 2 is a perspective view of the inverter body of fig. 1;

FIG. 3 is a perspective view of the wall cladding panel of FIG. 1;

FIG. 4 is a front view of a wall cladding panel according to an embodiment of the present invention;

FIG. 5 is a left side view of a wall cladding panel according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view of a wall cladding panel in accordance with an embodiment of the present invention;

fig. 7 is a bottom view of a wall cladding panel in accordance with an embodiment of the present invention.

Wherein the content of the first and second substances,

1. an inverter main body; 11. a box body; 12. a fin; 121. a convex column; 13. a heat sink;

2. wall hanging plates; 21. a body; 211. a hollow-out section; 22. bending the edge part; 221. mounting grooves; 222. an observation hole; 223. a threaded hole; 23. a lug portion; 231. a circular hole; 232. a waist-shaped hole; 233. a rectangular groove; 24. flanging part; 3. a fastener; 4. a guide edge portion; 41. a front end; 42. a back end; 5. a notch;

6. the arrows indicate.

Detailed Description

Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the utility model may be more readily understood by those skilled in the art. It should be noted that the description of the embodiments is provided to help understanding of the present invention, and is not intended to limit the present invention. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 and 2, a wall-mounted photovoltaic inverter of the present embodiment includes an inverter body 1 and a wall-mounting plate 2 for attaching the inverter body 1 to a wall. Inverter main part 1 includes box 11 and locates radiator 13 on the box 11 back, has a plurality of fins 12 that parallel on the radiator 13, and a plurality of fins 12 extend from top to bottom and control the interval setting, are equipped with projection 121 on the fin 12 of leftmost and rightmost side respectively, and projection 121 is the aluminium alloy post of riveting or welding on the fin, and its is inside extension, and the diameter of projection is 7.5 mm. The convex column 121 is combined with the leftmost and rightmost fins 12 inwards through riveting or welding, the convex column 121 cannot be seen in appearance, the appearance is attractive, and the convex column 121 is firm and reliable and has enough bearing capacity.

Referring to fig. 3, the wall-hanging plate 2 is formed by punching and bending a metal plate, and the wall-hanging plate 2 includes a body 21 having two lug parts 23 extending left and right, i.e., the lug parts 23 and the body 21 are on the same plane. The wall cladding 2 is attached to the wall by means of expansion bolts with two lug portions 23, i.e. the body 21 abuts the wall. Wherein, lug portion 23 is equipped with the screw that supplies the screw to pass through, and the minimum diameter of screw is 9 mm. The screw hole on one lug part 23 is a round hole 231, the screw hole on the other lug part 23 is a waist-shaped hole 232, the design of the waist-shaped hole 232 is to be fixed on the wall under the condition that the bolt hole for expansion is slightly deviated, one side of the waist-shaped hole 232 is also provided with a rectangular groove 233 connected with the waist-shaped hole 232, the rectangular groove is used as a position reference when the inverter main body 1 is installed, and the inverter main body 1 can be smoothly aligned to the wall hanging plate 2 by aligning the side edge of the inverter main body 1 to the edge of the groove. Body 21 of wall link plate 2 still is equipped with four square fretwork portions 211, and the design of a plurality of fretwork portions 211 has reduced wall link plate 2's weight on the one hand, and on the other hand save material has reduced the cost of manufacture.

Referring to fig. 4 to 7, the wall hanging plate 2 further includes two bent side portions 22 bent forward at 90 degrees from opposite side portions of the body 21, and the two bent side portions 22 respectively have a threaded hole 223 corresponding to a thread type M5. The screw holes 223 correspond to screw holes at the positions of the fins 12 and are fixed by the fasteners 3, that is, each of the bent side portions 22 is inserted between two adjacent fins 12 and is connected to the fin 12 located on the outer side by the fastener 3. More specifically, one of the hem portions 22 is interposed between the leftmost fin 12 and the fin 12 adjacent thereto and is connected to the leftmost fin 12 by the fasteners 3, and the other hem portion 22 is interposed between the rightmost fin 12 and the fin 12 adjacent thereto and is connected to the rightmost fin 12 by the fasteners 3. The bent edge 22 is provided with a U-shaped observation hole 222 and a mounting groove 221, i.e., the observation hole 222 extends to the side of the body 21. The lug part 23 is formed by cutting off the material from the observation hole 222, no additional material is added, and the design can effectively save the cost; the mounting groove 221 is located at the upper portion of the bent side portion 22, the mounting groove 221 extends inward from the edge of the bent side and has an open notch 5, the notch 5 faces upward, the boss 121 is inserted into the mounting groove 221 from the notch 5, and during the insertion process, the state of the inverter main body 1 during the mounting process can be observed by using the observation hole 222.

The wall hanging plate 2 is also provided with two guide edge parts 4 which are bent inwards by 30 degrees from the front side parts of the bent parts 22, namely, an included angle of 150 degrees is formed between the plane of the guide edge parts 4 and the plane of the bent edge parts 22, and the distance between the front ends 41 of the guide edge parts is smaller than that between the rear ends 42 of the guide edge parts. The guide edge portion 4 serves to guide the outer fin 12, and can easily align and hang the inverter body 1 and the wall-hanging plate 2, and finally assemble them together. The guiding edge 4 makes the bending part 22 gradually fit with the outermost fin 12 to facilitate the stable connection.

The body 21 of the wall hanging plate 2 is also provided with a flanging part 24 and an arrow mark 6, the flanging part 24 is bent 180 degrees from the lower edge of the body 21, and the flanging part 24 is positioned between the two bent edge parts 22. The burring 24 has a function of preventing the inverter main body 1 from tilting forward after the wall-mounted inverter main body 1 is mounted while enhancing the strength of the main body 21; the arrow mark 6 is upward to prevent the reverse installation when the wall hanging plate 2 is installed.

The utility model discloses a method for installing a wall-mounted photovoltaic inverter, which comprises the following steps: the wall-mounted panel 2 is first fixed to the wall by the lug portions 23 of the wall-mounted panel 2, the inverter body 1 is then pushed in the direction of the wall-mounted panel 2 by aligning the edges of the heat sink 13 of the inverter body 1 with the edges of the rectangular grooves 233, the inverter body 1 is lightly lowered after the pushing is completed, and finally the wall-mounted panel 2 and the inverter body 1 are fixed by the fastening members 3.

The wall-mounted photovoltaic inverter is divided into an inverter body 1 and a wall-mounted plate 2. The wall hanging plate 2 is divided into a body 21 and two bending edges 22, bolt through holes are formed in the straight edges extending left and right of the body 1, the two extending right-angle edge materials are materials on the body 21 and the bending edges 22, extra materials are not added, and material cost is saved. Bolt via hole one is round hole 231 one and is waist shape hole 232, and waist shape hole 232 one side still has the rectangular channel 233 that is used for the location reference when installing, and this rectangular channel 233 has the effect of reference location when putting into inverter main part 1, provides fine convenience when installing. The middle of the body 21 is also provided with four hollow parts 211, so that the weight of the wall hanging plate 2 is reduced, and materials are saved; each bent edge 22 has a viewing hole 222, a mounting groove 221, and a guide edge portion 4. The observation hole 222 is advantageous for observing the installation condition of the inverter body 1, and the guiding edge portion 4 provides great convenience for smooth installation of the inverter body 1 and has a guiding function. The fins 12 at the leftmost side and the rightmost side of the inverter body 1 are provided with inward convex columns 121, and the convex columns 121 are suspended in the mounting grooves 221, so that the structure has the advantages that the heat radiator 13 and the wall hanging plate 2 are processed very little, and a large amount of cost can be saved. The lower edge of the body 21 of the wall-hanging plate 2 is also provided with a flanging part 24 which not only can increase the strength of the wall-hanging plate 2, but also can prevent the inverter main body 1 from tilting forward. In addition, the upward arrow mark 6 is arranged on the wall hanging plate 2, and the direction can be reversed when the wall hanging plate is installed. The wall-mounted photovoltaic inverter has the advantages of material cost saving, convenience in installation, attractive appearance and great improvement on the installation efficiency.

As used in this specification and the appended claims, the terms "comprises" and "comprising" are intended to only encompass the explicitly identified steps and elements, which do not constitute an exclusive list, and that a method or apparatus may include other steps or elements. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Further, the description of the upper, lower, left, right, etc. used in the present invention is only with respect to the positional relationship of the respective components of the present invention with respect to each other in the drawings.

The above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, and are preferred embodiments, which are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the scope of the present invention. All equivalent changes or modifications made according to the principles of the present invention should be covered within the protection scope of the present invention.

Claims

1. A wall-mounted photovoltaic inverter, includes inverter body and is used for with the wall link plate on the inverter body is connected to the wall, inverter body includes the box and locates a plurality of parallel fins on the box back, characterized in that, the wall link plate is formed by metal sheet is integrative, the wall link plate has:

a body for fitting a wall;

the two bent side parts are respectively formed by bending forwards from two opposite side parts of the body, and each bent side part is inserted between two adjacent fins and is connected with the fin positioned on the outer side through a fastener;

the two fins are provided with convex columns, the bending edge part is provided with an installation groove, the installation groove extends inwards from the edge of the bending edge and is provided with an open notch, and the convex columns are inserted into the installation groove.

2. The wall-mounted photovoltaic inverter of claim 1, wherein the plane of the guide edge portion and the plane of the bent edge portion form an included angle of 150 degrees.

3. The wall-mounted photovoltaic inverter of claim 1, wherein the bent edge portion is provided with a viewing aperture.

4. The wall mounted photovoltaic inverter of claim 3, wherein the wall plate further comprises two tab portions by which the wall plate is attached to a wall, the tab portions being formed from material cut away from the viewing aperture.

5. The wall-mounted photovoltaic inverter according to claim 4, wherein the viewing hole extends to the side portion of the body, the lug portions and the body are located on the same plane, screw holes for screws to pass through are formed in the lug portions, the screw hole in one lug portion is a round hole, the screw hole in the other lug portion is a waist-shaped hole, and the wall-mounted plate is connected with the wall only through the lug portions.

6. The wall-mounted photovoltaic inverter according to claim 1, wherein the wall-mounted plate further comprises a flanging portion that is bent 180 degrees from one side edge of the body, the flanging portion being located between the two bent edge portions.

7. The wall hanging photovoltaic inverter of claim 6, wherein the mounting groove is located at an upper portion of the hem portion, the hem portion being folded 180 degrees from a lower edge of the body.

8. The wall-mounted photovoltaic inverter according to claim 1, wherein two bent side portions are formed by bending forward from each of left and right side portions of the body, the fins extend vertically, the plurality of fins are arranged at left and right intervals, the fins on the leftmost side and the rightmost side are provided with the protruding columns, one of the bent side portions is inserted between and connected to the leftmost fin and the fin adjacent thereto, the other bent side portion is inserted between and connected to the rightmost fin and the fin adjacent thereto, and a notch of the mounting groove faces upward.

9. The wall-mounted photovoltaic inverter of claim 1, wherein the body defines a plurality of apertures.

10. The wall mounted photovoltaic inverter of claim 1, wherein the wall cladding is formed from a single metal plate that is blanked and bent.