CN115843161A

CN115843161A - Photovoltaic module electrical box integrated with multiple fixing structures

Info

Publication number: CN115843161A
Application number: CN202211317178.XA
Authority: CN
Inventors: 段正刚; 刘军营
Original assignee: Suzhou QC Solar Co Ltd
Current assignee: Suzhou QC Solar Co Ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-24

Abstract

The invention provides a photovoltaic module electrical box integrated with various fixing structures, which comprises a box body, a box cover and a connector, wherein the connector is connected with the box body through a cable; the box body comprises a box body and a fixing structure arranged on one side surface, the fixing structure comprises a first fixing structure and a second fixing structure, and a clamping part is detachably arranged on the second fixing structure; the first fixing structure is provided with a screw fixing hole groove, and the second fixing structure is provided with a screw fixing hole; the clamping part is of an S-shaped structure, and the two opening parts are respectively clamped with the second fixing structure and the photovoltaic assembly frame. The photovoltaic module electrical box integrated with the multiple fixing structures can be fixed with a photovoltaic module in a traditional back gluing mode, and also integrates three fixing structures, so that a user can flexibly select the fixing structures according to needs, the photovoltaic module electrical box can be applied to assembly manufacturers in preassembling, system building or photovoltaic power generation system reconstruction, and the mounting mode is flexible and convenient.

Description

Photovoltaic module electric appliance box integrated with multiple fixing structures

Technical Field

The invention relates to the technical field of photovoltaic power generation, in particular to a photovoltaic module electric appliance box integrated with a plurality of fixing structures, which is convenient for a user to fix the electric appliance box and a photovoltaic module.

Background

The photovoltaic power generation system is a power generation system which directly converts solar radiation energy into electric energy by utilizing the photovoltaic effect of a photovoltaic cell, can give consideration to economic development and ecological protection while generating power cleanly, is widely applied to various scenes at present, and has wide development prospect.

The photovoltaic module is a basic power generation unit in a photovoltaic power generation system, and in order to enable the photovoltaic module to form a complete power generation system, some electrical box accessories are required to be installed together with the module, such as a module junction box which leads current out of the photovoltaic module and connects the photovoltaic module into a module string; for another example, when a plurality of photovoltaic modules are connected in series to form a photovoltaic module string with a dc high voltage of more than 1000V, an uncontrollable dc high voltage becomes a potential safety hazard of the photovoltaic power generation system, especially under fire, overhaul or other emergency conditions, serious obstacles are caused to accident treatment, and even personal safety of rescue workers is threatened; for another example, the intelligent optimizer can monitor the power generation state of the component in real time and improve the power generation efficiency of the component. These electrical apparatus boxes that have different functions all need to be connected with the subassembly generally, some install promptly on the subassembly when photovoltaic module produces, some reinstall when photovoltaic power generation system constructs, add when also reforming transform current photovoltaic module, this has just caused the installation requirement that subassembly electrical apparatus box needs to adapt to under the different use scenes, and the current installation fixed knot of more single electrical apparatus box and subassembly just can not satisfy user's user demand.

Disclosure of Invention

The invention aims to solve different installation requirements of photovoltaic modules in the prior art, and further provides a photovoltaic module electric appliance box integrated with a plurality of fixing structures.

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

a photovoltaic module electrical box integrated with a plurality of fixing structures comprises a box body, a box cover fixedly buckled with the box body and a connector connected with the box body through a cable; the box body comprises a box body and a fixing structure arranged on one side surface of the box body, the fixing structure comprises a first fixing structure and a second fixing structure, and a clamping part is detachably arranged on the second fixing structure; the first fixing structure is provided with a screw fixing hole groove, and the second fixing structure is provided with a screw fixing hole; the clamping part is of an S-shaped structure, and the two opening parts are respectively clamped with the second fixing structure and the photovoltaic assembly frame.

Preferably, the number of the second fixing structures is two, and the first fixing structure is arranged between the two second fixing structures.

Preferably, the first fixing structure is connected with the second fixing structure through an integrally formed rib plate.

Preferably, the screw fixing hole groove on the first fixing structure is a strip screw hole with an opening on one side.

Preferably, the side of the second fixing structure abutting against the component is a plane structure, and the opposite back side is an inclined plane structure.

Preferably, the back side of the second fixing structure comprises a limiting column and a guide rib plate which are arranged on two sides, and a first slope and a second slope which guide the buckling part of the clamping part and the second fixing part to be installed.

Preferably, the second slope surface is formed by the surfaces of at least two rib plates.

Preferably, a clamping groove part matched with the clamping part of the clamping part is formed between the transverse rib plate and the plurality of vertical rib plates on the back side of the second fixing structure.

Preferably, the screw fixing hole on the second fixing structure is arranged in the middle of the second fixing part and located between the first slope surface and the second slope surface.

Preferably, the first fixing structure, the second fixing structure and the box body are integrally formed.

Still preferably, the opening height of the opening of the clip member is smaller than the height of the corresponding bent portion. ,

preferably, the clamping component is provided with a barb structure bent towards the frame direction corresponding to one side of the frame of the component.

Preferably, the side surface of the box body is also provided with a connector cable leading-out hole, and the leading-out hole is arranged on the side surface opposite to the fixed structure or on the other two side surfaces.

Preferably, the electrical box is a junction box, an intelligent optimizer or a shutoff device.

Compared with the prior art, the photovoltaic module electric appliance box body integrated with the multiple fixing structures has the advantages that the photovoltaic module electric appliance box body can be fixed with a photovoltaic module in a traditional back gluing mode, three fixing structures are integrated, a user can flexibly select the fixing structures according to needs, the fixing structures can be suitable for both pre-installation of a module manufacturer, installation during system construction and installation during photovoltaic power generation system transformation, and the installation mode is flexible and convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an electrical box integrated with photovoltaic modules and various fixing structures according to an embodiment of the present invention;

fig. 2 is a schematic view (one side) of an explosion structure of the electrical box body (with the upper cover and the internal elements removed) of the photovoltaic module electrical box of fig. 1;

fig. 3 is a schematic view (another side) of an explosion structure of the electrical box body of the photovoltaic module of fig. 2;

fig. 4 is a schematic view of an assembly structure of a clip member and a second fixing structure of the box body of the electrical box of the photovoltaic module in fig. 2;

FIG. 5 shows a detailed structural schematic of a second securing structure of the photovoltaic module electrical box housing of FIG. 2;

fig. 6 is a schematic structural view of the clip member of fig. 2.

Detailed Description

In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1, a schematic structural diagram of a photovoltaic module electrical box integrated with multiple fixing structures according to an embodiment of the present invention is shown, where the electrical box includes a box body 100, a box cover 200 fastened and fixed to the box body, and a connector 300 connected to the box body through a cable 40; the electrical box can be a junction box, an intelligent optimizer, a shutoff device and the like.

With reference to the schematic structural diagrams (not showing components in the box body such as a circuit board, a connection terminal, etc.) of the box body 100 of the photovoltaic module electrical box of the present embodiment shown in fig. 2 to fig. 4, the box body 100 includes a box body 10 and a fixing structure disposed on one side surface of the box body 10, the fixing structure includes a first fixing structure 11 and a second fixing structure 12, and a clip component 13 is detachably disposed on the second fixing structure 12; a screw fixing hole slot 110 is arranged on the first fixing structure 11, and a screw fixing hole 121 is arranged on the second fixing structure 12; the clamping component 13 is approximately in an S-shaped structure, and two opening portions are respectively clamped with the second fixing structure 12 and the photovoltaic module frame.

Referring to fig. 2 and 3, in a preferred embodiment, two second fixing structures 12 are provided, and the first fixing structure 11 is disposed between the two second fixing structures 12; with reference to fig. 3 and 5, the first fixing structure 11 is connected to the second fixing structure 12 through the rib plate 112 formed integrally, so that the structural strength of the first fixing structure is better, and structural deformation is avoided; in another preferred embodiment, the screw fixing hole slot 110 on the first fixing structure 11 is a long strip screw hole with an opening on one side, so that on one hand, it is convenient to insert a screw during fixing, and on the other hand, it is also convenient to adjust the mounting position on the box body and the frame of the module during mounting.

Referring to fig. 2 and 5, the side of the second fixing structure 12 abutting against the component is a plane structure, and the opposite backside is an inclined plane structure; specifically, referring to fig. 5, for convenience of explanation, the mounting direction of the clip member, i.e., the direction of the arrow in the drawing, is defined as a vertical direction, and a direction perpendicular to the vertical direction is defined as a lateral direction. The back side of the second fixing structure 12 includes a limiting post 120 disposed on both sides and a vertical guiding rib plate 122 perpendicular to the frame, a buckling portion 132 (see fig. 5) guiding the clamping member, and a first slope 123 and a second slope 124 mounted on the second fixing portion, the second slope 124 is formed by the surfaces of at least two first vertical rib plates 124; a clamping groove part 126 matched with the clamping part 132 of the clamping part is formed between the transverse rib plate 125 and the second vertical rib plates 127. When the clamping component 13 is installed with the second fixing structure 12, the clamping component 13 is limited at the horizontal installation position by the limiting column 120, the guide rib plate 122, the first slope surface 123 and the second slope surface 124 respectively guide the clamping component and the buckling part 132 on the clamping component to be clamped into the second fixing structure along the installation direction, and when the buckling part 132 enters the buckling groove part 126, the clamping component 13 is installed in place. The screw fixing hole 121 is disposed in the middle of the second fixing portion 12 and between the first slope 123 and the second slope 124. When the photovoltaic module box is used, a user can select to mount the box body and the photovoltaic module in a screw locking or clamping mode through the clamping component.

In this embodiment, first fixed knot constructs and second fixed knot constructs mainly through gusset structure shaping, compares the plate type structure, and structural strength is higher and save material.

In a preferred embodiment, the first fixing structure, the second fixing structure and the box body are integrally formed.

Referring to fig. 5, the clamping member 13 is in an S-shaped configuration, and two openings correspond to the installation of the second fixing portion and the assembly frame, respectively, for example, as shown in the figure, the first opening a corresponds to the installation of the second fixing portion 12, and the second opening B corresponds to the installation of the assembly frame; in order to ensure the effect of interference fit, the opening height of the opening part is smaller than the height of the corresponding bending part, that is, the opening height c of the first opening part a is smaller than the height d of the corresponding bending part, and the opening height a of the second opening part B is smaller than the height B of the corresponding bending part. In another preferred embodiment, referring to fig. 5, in order to ensure the fixing effect of the clip member (with the box) and the frame of the assembly, the clip member 13 is provided with a barb structure 131 bent toward the frame direction at a side corresponding to the side where the frame of the assembly is installed, so as to firmly fix the clip member (with the box) to the frame of the assembly.

Referring to fig. 1 and 2, a connector cable outlet 16 is further provided on a side surface of the box body, and the outlet may be provided on a side surface opposite to the fixing structure, or may be provided on the other two side surfaces; one lead-out hole 16 can lead out a group of positive and negative cables, or only one cable can be led out from one lead-out hole, and more than one lead-out hole can be arranged.

The photovoltaic module electric box body integrated with the multiple fixing structures can be fixed with a photovoltaic module in a traditional back gluing mode, and also integrates three fixing structures, so that a user can flexibly select the fixing structures according to needs, the fixing structures can be applicable to assembly manufacturers in preassembling, system building or photovoltaic power generation system reconstruction, and the mounting mode is flexible and convenient.

The present invention has been described in relation to the above embodiments, which are only exemplary of the implementation of the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. Rather, it is intended that the invention be covered by the appended claims without departing from the spirit and scope of the invention.

Claims

1. A photovoltaic module electrical box integrated with various fixing structures is characterized by comprising a box body, a box cover and a connector, wherein the box cover is fixedly buckled with the box body, and the connector is connected with the box body through a cable; the box body comprises a box body and a fixing structure arranged on one side surface of the box body, the fixing structure comprises a first fixing structure and a second fixing structure, and a clamping part is detachably arranged on the second fixing structure; the first fixing structure is provided with a screw fixing hole groove, and the second fixing structure is provided with a screw fixing hole; the clamping part is of an S-shaped structure, and the two opening parts are respectively clamped with the second fixing structure and the photovoltaic assembly frame.

2. The electrical box with integrated photovoltaic modules as claimed in claim 1, wherein there are two second fixing structures, and the first fixing structure is disposed between the two second fixing structures.

3. The electrical box with integrated photovoltaic modules and multiple fixing structures as claimed in claim 1 or 2, wherein the first fixing structure is connected with the second fixing structure through an integrally formed rib plate.

4. The electrical box with integrated photovoltaic modules having multiple fixing structures as claimed in claim 3, wherein the screw fixing hole slot of the first fixing structure is a strip screw hole with an opening on one side.

5. The electrical box with integrated photovoltaic modules as claimed in claim 3, wherein the side of the second fixing structure abutting against the module is a planar structure, and the opposite backside is a bevel structure.

6. The photovoltaic module electrical box integrated with multiple fixing structures according to claim 5, wherein the back side of the second fixing structure comprises a limiting column and a guiding rib plate which are arranged on two sides, and a buckling part of the guiding clamping part and a first slope surface and a second slope surface which are arranged on the second fixing part.

7. The electrical box with integrated photovoltaic modules having multiple fastening structures as claimed in claim 6, wherein the second slope is formed by the surface of at least two ribs.

8. The photovoltaic module electrical box integrated with multiple fixing structures according to claim 6, wherein a slot part matched with the buckling part of the clamping part is formed between the transverse rib plate and the plurality of vertical rib plates at the back side of the second fixing structure.

9. The electrical box with integrated photovoltaic modules having multiple fixing structures as claimed in claim 6, wherein the screw fixing hole of the second fixing structure is disposed at the middle position of the second fixing portion and between the first slope and the second slope.

10. The electrical box with integrated photovoltaic modules and multiple fixing structures as claimed in claim 3, wherein the first fixing structure, the second fixing structure and the box body are integrally formed.

11. The electrical box with integrated photovoltaic modules and various fixing structures as claimed in claim 1 or 2, wherein the opening height of the opening part of the clamping part is smaller than the height of the corresponding bending part.

12. The electrical box with integrated photovoltaic modules having multiple fixing structures as claimed in claim 11, wherein the clip member has a barb structure bent toward the frame corresponding to the side of the frame.

13. The photovoltaic module electrical box integrated with multiple fixing structures as claimed in claim 1 or 2, wherein the side surface of the box body is further provided with a connector cable outlet, and the outlet is arranged on the side surface opposite to the fixing structure or on the other two side surfaces.

14. The photovoltaic module electrical box integrated with various fixing structures as claimed in claim 1, wherein the electrical box is a junction box, an intelligent optimizer or a shutoff device.