CN221151312U

CN221151312U - Junction box

Info

Publication number: CN221151312U
Application number: CN202323085475.9U
Authority: CN
Inventors: 郭乔峰; 吴烨辰; 盛梦雅; 黄涛华; 黄健; 何晨旭; 徐伟智
Original assignee: Chint New Energy Technology Co Ltd
Current assignee: Chint New Energy Technology Co Ltd
Priority date: 2023-11-15
Filing date: 2023-11-15
Publication date: 2024-06-14
Anticipated expiration: 2033-11-15

Abstract

The utility model belongs to the technical field and discloses a junction box. A plurality of components are installed in the junction box, and the junction box comprises a first box body and a protective shell. The components are arranged in a first box body, a plurality of buckles are arranged on the first box body in a protruding mode along the outer wall, and the first box body is made of transparent materials; the protective housing cover is established on first box body, is equipped with a plurality of draw-in grooves on the protective housing, and the buckle is used for with draw-in groove joint, and the protective housing is the opaque material. According to the utility model, an operator can conveniently complete the assembly and disassembly of the first box body and the protective shell, and can quickly and accurately position the internal faults through the transparent first box body, so that the operation difficulty of workers is reduced, and meanwhile, the assembly and separation can be completed under the condition of not damaging the connecting structure by adopting a clamping detachable mode, and the cost waste is avoided.

Description

Junction box

Technical Field

The utility model relates to the technical field of photovoltaic modules, in particular to a junction box.

Background

In the photovoltaic industry, photovoltaic modules require the use of junction boxes for converting light energy into electrical energy for transmission into electrical power lines.

The existing junction box comprises a body and a cover body covered on the body, and when elements in the junction box are required to be inspected and troubleshooted, the cover body is required to be opened, so that the states of elements in the junction box can be observed.

At present, to current terminal box, can't conveniently observe the state of the inside components and parts of body, cause inspection and problem to know difficulty, and dismantle the lid from the body and waste time and energy, cause the cost extravagant.

Disclosure of utility model

The utility model aims to provide a junction box which is used for solving the problems that the state of components in a body cannot be conveniently observed, the disassembly is time-consuming and labor-consuming, and the cost is wasted in the existing junction box.

To achieve the purpose, the utility model adopts the following technical scheme:

The terminal box, install multiple components and parts in the terminal box, include:

The first box body is provided with a plurality of buckles along the outer wall, and the first box body is transparent;

The protective housing, the protective housing cover is established on the first box body, be equipped with a plurality of draw-in grooves on the protective housing, the buckle be used for with draw-in groove joint, the protective housing is light-tight.

As an alternative of the junction box, the first box body includes a main body, the main body is rectangular, and the buckle extends outwards along an outer wall of the main body.

As an alternative of the junction box, the buckle includes a connection arm and an extension arm, one end of the connection arm is connected with the outer wall of the main body, the other end of the connection arm is connected with the extension arm, and the extension arm extends toward the top direction of the main body.

As an alternative scheme of terminal box, the free end of extension arm is equipped with joint portion, joint portion is hook-shaped, the draw-in groove be the outer wall of protective housing with the interval set up in the clearance between the cardboard of the outer wall of protective housing, the extension arm wears to establish the tank bottom of draw-in groove, so that joint portion with the cardboard joint.

As an alternative to the junction box, the end of the extension arm connected to the connection arm extends obliquely away from the main body from the other end.

As an alternative of the junction box, the clamping plates and the surfaces of the clamping portions, which are in contact with each other, are all inclined, and one ends, close to the outer walls of the protective shells, of the clamping plates are inclined towards the bottom of the protective shells.

As an alternative to the junction box, a plurality of buckles are symmetrically distributed on two opposite side walls of the first box body.

As an alternative to the junction box, the buckle and the main body are of an integral structure.

As an alternative scheme of the junction box, the first box body is made of a PC material.

As an alternative to the junction box, the protective case is made of black PPE.

The beneficial effects are that:

According to the utility model, the first box body is made of transparent materials, maintenance personnel can directly observe the states of the internal components through the first box body, so that internal faults can be rapidly and accurately positioned, the protective shell is covered outside the first box body, the protective shell is made of opaque materials, external light or sunlight is effectively prevented from directly irradiating the components of the photovoltaic component through the first box body, the service life of the junction box is effectively prolonged, a plurality of buckles are arranged along the outer wall of the first box body in a protruding mode, clamping grooves matched with the buckles are formed in the outer wall of the protective shell, the matching and the dismounting between the first box body and the protective shell are facilitated, the operation difficulty of workers is reduced, meanwhile, the detachable mode of clamping is adopted, the assembly and the separation can be completed under the condition that a connecting structure is not damaged, and the waste of cost is also avoided.

Drawings

Fig. 1 is a front view of a first case provided in an embodiment of the present utility model;

FIG. 2 is a top view of a first cartridge provided in an embodiment of the present utility model;

FIG. 3 is a side view of a first cartridge provided in an embodiment of the present utility model;

Fig. 4 is a front view of a protective case provided by an embodiment of the present utility model;

fig. 5 is a top view of a protective case provided by an embodiment of the present utility model;

fig. 6 is a side view of a protective case provided by an embodiment of the present utility model;

Fig. 7 is a front view of the first case and the protective case according to the embodiment of the present utility model;

fig. 8 is a top view of the first case and the protective case according to the embodiment of the present utility model;

fig. 9 is a side view of the first case and the protective case according to the embodiment of the present utility model.

In the figure:

100. A first case; 110. a buckle; 111. a connecting arm; 112. an extension arm; 113. a clamping part; 120. a main body;

200. A protective shell; 210. a clamping groove; 211. and (5) clamping plates.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1, 4 and 5, the present embodiment relates to a junction box for mounting various components, and the junction box is used for converting light energy into electric energy and transmitting the electric energy into a power utilization line. The junction box specifically comprises a first box body 100 and a protective shell 200, wherein components are arranged in the first box body 100, a plurality of buckles 110 are arranged on the first box body 100 along the outer wall in a protruding mode, and the first box body 100 is transparent; the protective housing 200 is covered on the first box body 100, a plurality of clamping grooves 210 are formed in the protective housing 200, the clamping buckles 110 are used for being clamped with the clamping grooves 210, and the protective housing 200 is light-proof.

In this embodiment, the inside installation space that provides for photovoltaic module's various components and parts of first box body 100, first box body 100 transparent material, maintainer can pass through the inside components and parts state of first box body 100 direct observation, thereby quick accurate location internal fault, further, still cover protective housing 200 in first box body 100 outside, protective housing 200 adopts the opaque material, external light or sunshine direct through the components and parts of first box body 100 irradiation photovoltaic module has effectively been avoided, the life of terminal box has effectively been prolonged, and further, through protruding a plurality of buckles 110 that are equipped with at first box body 100 along the outer wall, set up on the outer wall of protective housing 200 with buckle 110 matched with draw-in groove 210, the cooperation between first box body 100 and protective housing 200 and dismantlement have been made things convenient for, reduce the operation degree of difficulty of labourer, adopt the detachable form of joint simultaneously, can accomplish assembly and separation under the circumstances that does not destroy connection structure, the waste of cost has also been avoided.

Optionally, the first case 100 is made of PC material, and the protective case 200 is made of black PPE material.

Wherein the PC material is engineering plastic with carbonate groups in molecular chains, and the polycarbonate is colorless and transparent, heat-resistant, impact-resistant and flame-retardant, has good mechanical properties at ordinary use temperature, and has low cost but no ultraviolet light resistance; the PPE material is polyphenyl ether, and the pure black PPE material can effectively block sunlight or other light rays, has good mechanical properties at ordinary use temperature, and has low cost.

Optionally, the plurality of buckles 110 are symmetrically distributed on two opposite sidewalls of the first case 100.

Through making a plurality of buckles 110 at the relative two lateral walls symmetric distribution of first box body 100, when guaranteeing certain joint strength, make the effort symmetric distribution of joint, guarantee the stress symmetric distribution of the first box body 100 after the shaping after connecting, promote the life of first box body 100.

Optionally, the first box 100 includes a main body 120, where the main body 120 is rectangular, and the buckle 110 extends outward along an outer wall of the main body 120.

In this embodiment, the main body 120 is a cuboid, an installation space is provided inside the main body 120, various components of the photovoltaic module are all installed and fixed in the main body 120, and meanwhile, a plurality of buckles 110 are provided on the main body 120, and as a preferable mode, the buckles 110 and the main body 120 are of an integral structure, and the integrated plastic compression molding process has low cost and certain structural strength, and ensures the reliability and stability of the clamping connection.

Referring to fig. 1-3, further, the buckle 110 includes a connecting arm 111 and an extension arm 112, one end of the connecting arm 111 is connected to an outer wall of the main body 120, the other end of the connecting arm 111 is connected to the extension arm 112, and the extension arm 112 extends toward the top of the main body 120.

In this embodiment, the connection arm 111 and the extension arm 112 are both elastic plates capable of being elastically deformed within a certain range, and the distance between the extension arm 112 and the outer wall of the main body 120 can be conveniently adjusted by adjusting the length of the connection arm 111, and the position of the clamping groove 210 of the protective case 200 in the width direction can be further adapted, and similarly, the position of the clamping groove 210 in the vertical direction can be adapted by adjusting the length of the extension arm 112.

Further, the free end of the extension arm 112 is provided with a clamping portion 113, the clamping portion 113 is in a hook shape, the clamping groove 210 is a gap between the outer wall of the protective shell 200 and the clamping plate 211 arranged on the outer wall of the protective shell 200 at intervals, the extension arm 112 penetrates through the bottom of the clamping groove 210, and the clamping portion 113 is clamped with the clamping plate 211.

In the present embodiment, a gap between the clamping plate 211 and the outer wall of the protective housing 200 forms a clamping groove 210, when the first box body 100 and the protective housing 200 are required to be assembled, the protective housing 200 is firstly placed above the first box body 100, the clamping buckle 110 corresponds to the corresponding clamping groove 210, the protective housing 200 is manually moved downwards to move the clamping part 113 upwards from the bottom of the clamping groove 210 to the clamping groove 210, and the clamping of the clamping part 113 at the top of the clamping plate 211 is completed; when the first case 100 needs to be detached from the protective case 200, the clamping portion 113 may be tilted by a certain angle towards the direction of the first case 100 manually or by a conventional tool, so that the clamping portion 113 and the clamping plate 211 are separated in the vertical direction, and then the first case 100 and the protective case 200 are completely separated. The whole installation process and the disassembly process are simple and convenient.

Alternatively, the extension arm 112 extends obliquely away from the main body 120 from one end to the other end of the connection arm 111.

Through making extension arm 112 extend along being close to the one end slope of connecting arm 111 towards the direction of keeping away from main part 120, make extension arm 112 have the angle of outside slope, when buckle 110 and draw-in groove 210 joint, extension arm 112 surface can the butt on the inner wall of draw-in groove 210, make the connection structure of whole terminal box stable, reduce the risk of pine and take off.

Alternatively, the surfaces of the clamping plate 211 and the clamping portion 113 contacting each other are all inclined, and one end of the clamping plate 211 near the outer wall of the protective housing 200 is inclined toward the bottom of the protective housing 200.

In the present embodiment, by setting the surfaces of the clamping plate 211 and the clamping portion 113 that contact each other as inclined planes, and the directions of inclination of the two are the same, the stability of the clamping can be further ensured.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The terminal box, install multiple components and parts in the terminal box, its characterized in that includes:

The first box body (100), the components are installed in the first box body (100), a plurality of buckles (110) are arranged on the first box body (100) in a protruding mode along the outer wall, and the first box body (100) is transparent;

Protective housing (200), protective housing (200) cover is established on first box body (100), be equipped with a plurality of draw-in grooves (210) on protective housing (200), buckle (110) be used for with draw-in groove (210) joint, protective housing (200) are light-tight.

2. The junction box according to claim 1, wherein the first box body (100) comprises a main body (120), the main body (120) is rectangular parallelepiped in shape, and the buckle (110) is disposed to extend outwards along an outer wall of the main body (120).

3. The junction box according to claim 2, characterized in that the clasp (110) comprises a connecting arm (111) and an extension arm (112), one end of the connecting arm (111) is connected with the outer wall of the main body (120), the other end of the connecting arm (111) is connected with the extension arm (112), and the extension arm (112) extends toward the top of the main body (120).

4. A junction box according to claim 3, wherein the free end of the extension arm (112) is provided with a clamping portion (113), the clamping portion (113) is in a hook shape, the clamping groove (210) is a gap between the outer wall of the protective shell (200) and a clamping plate (211) arranged on the outer wall of the protective shell (200) at intervals, and the extension arm (112) penetrates through the bottom of the clamping groove (210) so that the clamping portion (113) is clamped with the clamping plate (211).

5. A junction box according to claim 3, characterized in that the end of the extension arm (112) connected to the connection arm (111) extends obliquely to the other end, in a direction away from the body (120).

6. The junction box according to claim 4, wherein the surfaces of the clamping plate (211) and the clamping portion (113) contacting each other are all inclined, and one end of the clamping plate (211) close to the outer wall of the protective case (200) is inclined toward the bottom of the protective case (200).

7. The junction box according to claim 1, characterized in that a plurality of snaps (110) are symmetrically distributed on opposite side walls of the first box body (100).

8. The junction box according to claim 2, characterized in that the clasp (110) is of unitary construction with the main body (120).

9. Junction box according to any of claims 1-8, characterized in that the first box body (100) is of PC material.

10. The junction box according to any of claims 1 to 8, characterized in that the protective shell (200) is of PPE material in black.