CN202601676U

CN202601676U - Junction box

Info

Publication number: CN202601676U
Application number: CN2012201997485U
Authority: CN
Inventors: 段正刚
Original assignee: Suzhou QC Solar Co Ltd
Current assignee: Suzhou QC Solar Co Ltd
Priority date: 2012-05-07
Filing date: 2012-05-07
Publication date: 2012-12-12
Anticipated expiration: 2022-05-07

Abstract

The utility model provides a junction box which comprises a box body, a copper plate which is arranged inside the box body, and a cable which is electrically connected with the copper plate, wherein the box body comprises a front wall, a through hole is arranged on the front wall, the cable extends into the box body through the through hole, the cable is provided with a contacting portion, the copper plate is provided with a clamping portion which extends toward the front wall, the clamping portion comprises a first bending portion of a semicircular shape, a second bending portion of a semicircular shape, and a storing cavity which is surrounded by the first bending portion and the second bending portion and used to accept the contacting portion, and the first bending portion and second bending portion oppositely and tightly clamp the contacting portion so as to prevent the cable from being separated from the copper plate because of external force.

Description

Terminal box

Technical field

The utility model relates to a kind of terminal box, relates in particular to a kind of solar junction box.

Background technology

The cable that solar junction box generally comprises box body, be contained in copper coin in the box body, electrically connect the diode of adjacent copper coin and extend into from the box body outside in the box body and electrically connect with copper coin.The cable major part is positioned at the box body outside, receives the interference of external force easily, causes electrically connecting interruption thereby break away from copper coin.

Therefore, be necessary to provide a kind of new terminal box to overcome the problems referred to above.

The utility model content

The purpose of the utility model is the terminal box that provides a kind of cable and copper coin firmly to be connected.

Correspondingly; A kind of terminal box of the utility model comprises box body, is contained in the copper coin in the box body and electrically connects the cable of copper coin that said box body comprises antetheca; This antetheca is provided with through hole; Said cable is in through hole extends into box body, and said cable has contact site, and said copper coin is provided with the clamping part that extends towards antetheca; This clamping part comprise first, second bend of being semicircle shape and by first, second bend surround in order to accommodate the chamber of taking in of contact site, first, second bend clamps said contact site in opposite directions.

As the further improvement of the utility model, be provided with the slit that is communicated with the outside and takes in the chamber between said first, second bend.

As the further improvement of the utility model, said first, second bend clamps said contact site through riveting.

As the further improvement of the utility model, said copper coin comprises four that are arranged side by side, and said clamping section is arranged on Far Left and the rightmost copper coin.

Further improvement as the utility model is electrically connected with diode between the adjacent copper coin, and diode comprises base portion and the leg that extends from base portion one side, and said base portion is welded on the copper coin, and said leg is welded on the adjacent copper coin.

As the further improvement of the utility model, a said copper coin is provided with second depressed part, and base portion is welded in second depressed part, and said adjacent copper coin is provided with first depressed part, and leg is welded in first depressed part.

As the further improvement of the utility model, one periphery at least the first depressed part, second depressed part is provided with retaining wall.

As the further improvement of the utility model, adjacent diode is dislocatedly distributed.

As the further improvement of the utility model, said box body comprises the diapire that connects antetheca, and this diapire is provided with the conduit of accommodating copper coin, is provided with upwardly extending projection in the conduit, and said copper coin is provided with the hole that cooperates with projection.

As the further improvement of the utility model, said conduit both sides are provided with stop part with the location copper coin.

The beneficial effect of the utility model is: the clamping section is set on the copper coin, and the clamping section has first, second bend of semicircle shape of clamping cables contact site in opposite directions, can prevent that cable breaks away from copper coin because of external force.

Description of drawings

Fig. 1 is the stereogram of the utility model one execution mode terminal box;

Fig. 2 is the stereogram of box body among Fig. 1;

Fig. 3 is the stereogram of copper coin module and cable among Fig. 1;

Fig. 4 is the three-dimensional exploded view of Fig. 3.

Embodiment

Below will combine each execution mode shown in the drawings that the utility model is described in detail.But these execution modes do not limit the utility model, and the conversion on the structure that those of ordinary skill in the art makes according to these execution modes, method or the function all is included in the protection range of the utility model.

To shown in Figure 4, the utility model one execution mode terminal box comprises box body 1, is contained in the cable 3 of interior copper coin module 2 of box body and electric connection copper coin module 2 like Fig. 1.

Box body 1 comprises diapire 11, the upwardly extending sidewall 12 and connect antetheca 13, the rear wall 14 of two side 12 from diapire 11 both sides.Said wall is arranged with receiving space 15 and is provided with plurality of strengthening ribs 16 to strengthen the intensity of box body 1 in receiving space 15 1 sides.Antetheca 13 be provided with run through self through hole 131 for cable 3 in receiving space 15 is stretched in the outside.Diapire 11 is provided with some conduits that are arranged side by side 111, and each conduit 111 both sides is provided with stop part 112 with better location copper coin (hereinafter detailed description); Conduit interior 111 is provided with some from the upwardly extending projection 113 of diapire 11 one.

Copper coin module 2 comprises some copper coins 21 and the diode 22 that electrically connects adjacent copper coin 21.In this execution mode, copper coin module 2 comprises four copper coins, from left to right is followed successively by first copper coin 211, second copper coin 212, the 3rd copper coin 213 and the 4th copper coin 214.Each copper coin comprises horizontally extending main part 215 and runs through the plurality of holes 216 of main part 215 that hole 216 cooperates so that copper coin is accurately positioned in the conduit 111 with projection 113.Main part 215 also is provided with first depressed part 217 and second depressed part 218, and certainly, first copper coin 211, the 4th copper coin 214 for being in the leftmost side and the rightmost side only are provided with first depressed part 217 or second depressed part 218 on each copper coin.First copper coin 211, the 4th copper coin 214 autonomous bodies 215 respectively extend to form a clamping part 23 towards antetheca 13, and this clamping part 23 comprises semicircle shape first bend 231, semicircle shape second bend 232 and takes in chamber 233 by what first bend 231 and second bend 232 surrounded.Have between first bend 231 and second bend 232 and be communicated with the slit 234 of taking in chamber 233 and space outerpace.

Diode 22 comprises base portion 221 and the some legs 222 that extend from base portion 221 1 sides, and leg 222 quantity are two in this execution mode.In welding process; The leg 222 of diode 22 is welded in first depressed part 217 on the copper coin 21; Diode 22 base portions 221 are welded in second depressed part 218 of adjacent copper coin 21, and diode 22 is well located, convenient welding.In addition, also be provided with upwardly extending retaining wall 219, further prevent diode 22 skews, certainly, also retaining wall can be set around first depressed part 217 in second depressed part, 218 both sides.Adjacent diode 22 dislocation arrange convenient heat radiation.

Cable 3 has Metal Contact portion 31, and cable 3 gets into receiving space 15 from box body 1 through hole 131 in assembling process, and contact site 31 further stretches into takes in chamber 233.Make first bend 231 clamp contact site 31 through riveting in this execution mode, make second bend 232 clamp contact site 31, thereby first, second bend provides better fixed contact of clamping force in opposite directions at opposite side in a side.Because the existence in slit 234, can be first bend 231, second bend 232 each other near enough spaces are provided, take in 233 spaces, chamber and diminish firm grip contact site 31 as far as possible thereby make.

The utility model is provided with the clamping section on copper coin, the clamping section has first, second bend of semicircle shape of clamping cables contact site in opposite directions, can prevent that cable breaks away from copper coin because of external force.

Be to be understood that; Though this specification is described according to execution mode; But be not that each execution mode only comprises an independently technical scheme, this narrating mode of specification only is for clarity sake, and those skilled in the art should make specification as a whole; Technical scheme in each execution mode also can form other execution modes that it will be appreciated by those skilled in the art that through appropriate combination.

The listed a series of detailed description of preceding text only is specifying to the feasibility execution mode of the utility model; They are not the protection range in order to restriction the utility model, allly do not break away from equivalent execution mode or the change that the utility model skill spirit done and all should be included within the protection range of the utility model.

Claims

1. terminal box; Comprise box body, be contained in the copper coin in the box body and electrically connect the cable of copper coin; Said box body comprises antetheca, and this antetheca is provided with through hole, and said cable is in through hole extends into box body; It is characterized in that: said cable has contact site; Said copper coin is provided with the clamping part that extends towards antetheca, this clamping part comprise first, second bend of being semicircle shape and by first, second bend surround in order to accommodate the chamber of taking in of contact site, first, second bend clamps said contact site in opposite directions.

2. terminal box according to claim 1 is characterized in that: be provided with the slit that is communicated with the outside and takes in the chamber between said first, second bend.

3. terminal box according to claim 2 is characterized in that: said first, second bend clamps said contact site through riveting.

4. terminal box according to claim 3 is characterized in that: said copper coin comprises four that are arranged side by side, and said clamping section is arranged on Far Left and the rightmost copper coin.

5. terminal box according to claim 4 is characterized in that: be electrically connected with diode between the adjacent copper coin, diode comprises base portion and the leg that extends from base portion one side, and said base portion is welded on the copper coin, and said leg is welded on the adjacent copper coin.

6. terminal box according to claim 5 is characterized in that: a said copper coin is provided with second depressed part, and base portion is welded in second depressed part, and said adjacent copper coin is provided with first depressed part, and leg is welded in first depressed part.

7. terminal box according to claim 6 is characterized in that: one periphery at least the first depressed part, second depressed part is provided with retaining wall.

8. terminal box according to claim 5 is characterized in that: adjacent diode is dislocatedly distributed.

9. terminal box according to claim 1 is characterized in that: said box body comprises the diapire that connects antetheca, and this diapire is provided with the conduit of accommodating copper coin, is provided with upwardly extending projection in the conduit, and said copper coin is provided with the hole that cooperates with projection.

10. terminal box according to claim 9 is characterized in that: said conduit both sides are provided with stop part with the location copper coin.