CN217770021U

CN217770021U - Photovoltaic junction box with buckle structure

Info

Publication number: CN217770021U
Application number: CN202221554433.8U
Authority: CN
Inventors: 徐陈展
Original assignee: Ningbo Chuangyuan Photovoltaic Technology Co ltd
Current assignee: Ningbo Chuangyuan Photovoltaic Technology Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-11-08
Anticipated expiration: 2032-06-21

Abstract

The utility model provides a take buckle structure's photovoltaic terminal box, including anodal terminal box, axis terminal box and negative terminal box, the one end and the anodal cable electricity of anodal terminal box are connected, the one end and the negative cable electricity of negative terminal box are connected, the utility model provides an anodal terminal box, axis terminal box and negative terminal box all adopt the joint mode, after accomplishing the joint, the fixture block embedding is among the draw-in groove, the lug embedding is among the recess, and fixture block and lug can not outwards bulge, and more stable to can resist certain external impact, because the dust in the partial environment is more, the photovoltaic terminal box gets into the dust easily, at this moment in the junction of box body and lid, paint certain hot melt adhesive, the fixture block embedding is among the draw-in groove simultaneously, the lug embedding is among the recess, again pastes the sealing strip in the junction, fixes through the hot melt adhesive, can very big increase photovoltaic terminal box's leakproofness, reach better result of use.

Description

Photovoltaic junction box with buckle structure

Technical Field

The utility model belongs to the technical field of photovoltaic equipment, more specifically say, in particular to take buckle structure's photovoltaic terminal box.

Background

The photovoltaic junction box is a connecting device between a solar cell array formed by solar cell modules and the solar charging control device, and is mainly used for connecting and protecting the solar cell modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules.

Based on the above, the present inventors found that the following problems exist: the existing photovoltaic junction box cannot be well sealed, so that external dust easily enters the photovoltaic junction box, certain damage is caused to internal elements, and the photovoltaic junction box is not beneficial to long-term use.

Therefore, in view of the above, research and improvement are performed on the existing structure and defects, and a photovoltaic junction box with a buckle structure is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a take buckle structure's photovoltaic terminal box to solve present photovoltaic terminal box because can not carry out fine sealing to the terminal box, lead to external dust to enter into the inside of photovoltaic terminal box easily, lead to certain damage to internal element, be unfavorable for the problem of using for a long time.

The utility model discloses take purpose and efficiency of buckle structure's photovoltaic terminal box is reached by following concrete technical means:

the utility model provides a take buckle structure's photovoltaic terminal box, includes anodal terminal box, axis terminal box and negative terminal box, the one end and the anodal cable electricity of anodal terminal box are connected, the one end and the negative cable electricity of negative terminal box are connected, anodal terminal box, axis terminal box and negative terminal box include first box body, first lid, second box body, second lid, third box body and third lid respectively, the inside of first box body, second box body and third box body all is provided with diode and metalwork, be the joint between first box body and first lid, second box body and second lid and third box body and the third lid and be connected, the junction of first box body and first lid, second box body and second lid and third box body and third lid is connected with the sealing strip, be provided with anodal guide way and negative pole instruction groove on first box body and the third box body respectively.

Furthermore, the top of first box body, second box body and third box body has all been seted up and has been stepped down the groove, first lid, second lid and third lid joint respectively in the corresponding inslot portion of stepping down.

Furthermore, both sides of the two ends of the first box cover, the second box cover and the third box cover are respectively provided with a groove, and the middle parts of the two ends of the first box cover, the second box cover and the third box cover are respectively provided with a clamping groove.

Furthermore, the positions of the two sides of the top of the first box body, the second box body and the third box body, which correspond to the grooves, extend to form convex blocks, and the positions of the middle parts of the two sides of the top of the first box body, the second box body and the third box body, which correspond to the clamping grooves, are connected with clamping blocks.

Further, the one end of first box body and second box body all extends there is the arc briquetting, the cable guide way has been seted up at the top of arc briquetting, the inside of cable guide way is provided with the cable.

Furthermore, one end of the cable is an exposed copper wire, the rest part of the cable is wrapped by rubber, an arc-shaped pressing block matched with the cable guide groove is arranged on the cable guide groove, and the rubber part of the cable is fixed between the cable guide groove and the arc-shaped pressing block.

Furthermore, the junction of first box body and first lid, second box body and second lid and third box body and third lid is equipped with the hot melt adhesive, pass through hot melt adhesive fixed mounting between first box body and first lid, second box body and second lid and third box body and the third lid, the sealing strip adopts butadiene acrylonitrile rubber to make.

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

1. the positive terminal box, the middle shaft terminal box and the negative terminal box in the utility model all adopt a clamping mode, after the clamping is completed, the clamping block is embedded in the clamping groove, the lug is embedded in the groove, and the clamping block and the lug can not protrude outwards, so that the clamping block is more stable and can resist certain external force impact;

2. pass through the arc briquetting with the power cord and fix in the cable guide way, this kind of mode is connected firmly, has avoided the lid to open and shut the power cord that causes not hard up, has improved life and security.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is an enlarged schematic view of a in fig. 1 according to the present invention.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is a three-dimensional schematic view of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a positive terminal box; 11. a first case; 12. a first box cover; 13. a positive electrode guide groove; 14. a yielding groove; 15. a groove; 16. a bump; 17. a clamping block; 18. a card slot; 2. a middle shaft junction box; 21. a second box body; 22. a second box cover; 3. a negative terminal box; 31. a third box body; 32. a third box cover; 33. a negative indicator groove; 34. an arc-shaped pressing block; 35. a cable guide groove; 36. a cable.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and 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. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Example (b):

as shown in figures 1 to 4:

the utility model provides a take buckle structure's photovoltaic terminal box, including anodal terminal box 1, axis terminal box 2 and negative terminal box 3, the one end and the anodal cable electricity of anodal terminal box 1 are connected, the one end and the negative cable electricity of negative terminal box 3 are connected, anodal terminal box 1, axis terminal box 2 and negative terminal box 3 include first box body 11 respectively, first lid 12, second box body 21, second lid 22, third box body 31 and third lid 32, first box body 11, the inside of second box body 21 and third box body 31 all is provided with diode and metalwork, first box body 11 and first lid 12, be the joint between second box body 21 and second lid 22 and third box body 31 and third lid 32 and be connected, first box body 11 and first lid 12, the junction of second box body 21 and second lid 22 and third box body 31 and third lid 32 is connected with the sealing strip, be provided with anodal guide way 13 and negative pole indication groove 33 on first box body 11 and the third box body 31 respectively.

In other embodiments, the top of the first box 11, the second box 21 and the third box 31 is provided with an abdicating groove 14, the first box cover 12, the second box cover 22 and the third box cover 32 are respectively clamped inside the corresponding abdicating groove 14, and the first box 11, the second box cover 21 and the third box 31 are better installed with the first box cover 12, the second box cover 22 and the third box cover 32 by arranging the abdicating groove 14 and the first box cover 12, the second box cover 22 and the third box cover 32 for cooperation.

In other embodiments, the two ends of the first box cover 12, the second box cover 22 and the third box cover 32 are respectively provided with a groove 15, the middle parts of the two ends of the first box cover 12, the second box cover 22 and the third box cover 32 are respectively provided with a clamping groove 18, the positions of the two sides of the top of the first box body 11, the second box body 21 and the third box body 31, which correspond to the grooves 15, extend to form a protruding block 16, the positions of the middle parts of the two sides of the top of the first box body 11, the second box body 21 and the third box body 31, which correspond to the clamping grooves 18, are connected with a clamping block 17, the positive terminal box 1, the middle shaft 2 and the negative terminal box 3 all adopt a clamping mode, after clamping is completed, the clamping block 17 is embedded into the clamping groove 18, the protruding block 16 is embedded into the groove 15, and the clamping block 17 and the protruding block 16 cannot protrude outwards, so that the structure is more stable and can resist certain external force impact.

In other embodiments, the one end of first box body 11 and second box body 21 has all extended arc briquetting 34, cable guide way 35 has been seted up at arc briquetting 34's top, the inside of cable guide way 35 is provided with cable 36, cable 36 one end is naked copper line, the rubber is wrapped up to the remaining part, be equipped with the arc briquetting 34 that matches with cable guide way 35 on the cable guide way 35, the rubber part of cable 36 is fixed between cable guide way 35 and arc briquetting 34, fix cable 36 in cable guide way 35 through arc briquetting 34, this kind of mode is connected firmly, it is not hard up to have avoided the lid to open and shut the power cord that causes, service life and security have been improved.

In other embodiments, the joints of the first box body 11 and the first box cover 12, the second box body 21 and the second box cover 22, and the third box body 31 and the third box cover 32 are provided with hot melt adhesives, and the first box body 11 and the first box cover 12, the second box body 21 and the second box cover 22, and the third box body 31 and the third box cover 32 are fixedly installed through the hot melt adhesives, so that the photovoltaic junction box is conveniently sealed, dust is prevented from entering the inside of the box, and the sealing strips are made of nitrile rubber, so that the sealing effect can be further increased.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, because the dust in the partial environment is more, the photovoltaic terminal box gets into the dust easily, at this moment with fixture block 17 embedding among draw-in groove 18, lug 16 imbeds among recess 15, at first box body 11, second box body 21 and third box body 31 and first lid 12, the junction of second lid 22 and third lid 32, paint certain hot melt adhesive, paste the sealing strip again in the junction, fix through the hot melt adhesive, the leakproofness of increase photovoltaic terminal box that can be very big, reach better result of use, with first box body 11 in needs, second box body 21 and third box body 31 and first lid 12, when second lid 22 and third lid 32 are dismantled, make the hot melt adhesive melt, can dismantle the sealing strip, fixture block 17 breaks away from among the draw-in groove 18, lug 16 breaks away from among the recess 15, reopen first lid 12, second lid 22 and third lid 32 can be comparatively convenient.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a take buckle structure's photovoltaic terminal box which characterized in that: the novel multifunctional junction box comprises an anode junction box (1), a middle shaft junction box (2) and a cathode junction box (3), wherein one end of the anode junction box (1) is electrically connected with an anode cable, one end of the cathode junction box (3) is electrically connected with a cathode cable, the anode junction box (1), the middle shaft junction box (2) and the cathode junction box (3) respectively comprise a first box body (11), a first box cover (12), a second box body (21), a second box cover (22), a third box body (31) and a third box cover (32), diodes and metal parts are arranged inside the first box body (11), the second box body (21) and the third box body (31), the first box body (11) and the first box cover (12), the second box body (21) and the second box cover (22) are connected with the third box body (31) and the third box cover (32) in a clamping manner, a first box body (11) and the first box cover (12), the second box body (21) and the second box cover (22) are connected with the third box body (31) and the third box body (32), and a cathode sealing strip (13) and a third sealing strip (13) are arranged at the connecting portion of the anode junction box body (11) and the third box body (31) and a cathode sealing strip (33) are connected with the anode sealing strip (13).

2. The photovoltaic junction box with a snap structure of claim 1, wherein: the top of first box body (11), second box body (21) and third box body (31) has all been seted up and has been stepped down groove (14), first lid (12), second lid (22) and third lid (32) joint respectively inside corresponding groove (14) of stepping down.

3. The photovoltaic junction box with a buckle structure of claim 2, wherein: both sides of the two ends of the first box cover (12), the second box cover (22) and the third box cover (32) are respectively provided with a groove (15), and the middle parts of the two ends of the first box cover (12), the second box cover (22) and the third box cover (32) are respectively provided with a clamping groove (18).

4. The photovoltaic junction box with a buckle structure of claim 3, wherein: the position that the top both sides of first box body (11), second box body (21) and third box body (31) correspond recess (15) extends and has lug (16), the top both sides middle part of first box body (11), second box body (21) and third box body (31) corresponds draw-in groove (18) position and is connected with fixture block (17).

5. The photovoltaic junction box with a snap structure of claim 1, wherein: the one end of first box body (11) and second box body (21) all extends there is arc briquetting (34), cable guide way (35) have been seted up at the top of arc briquetting (34), the inside of cable guide way (35) is provided with cable (36).

6. The photovoltaic junction box with a buckle structure of claim 5, wherein: cable (36) one end is naked copper line, and the rubber is wrapped up to the rest, be equipped with arc briquetting (34) that match with cable guide way (35) on cable guide way (35), the rubber part of cable (36) is fixed between cable guide way (35) and arc briquetting (34).

7. The photovoltaic junction box with a buckle structure of claim 1, wherein: first box body (11) and first lid (12), second box body (21) and second lid (22) are equipped with the hot melt adhesive with the junction of third box body (31) and third lid (32), through hot melt adhesive fixed mounting between first box body (11) and first lid (12), second box body (21) and second lid (22) and third box body (31) and third lid (32), the sealing strip adopts nitrile rubber to make.