CN202167515U

CN202167515U - Terminal box

Info

Publication number: CN202167515U
Application number: CN2011202129536U
Authority: CN
Inventors: 段正刚
Original assignee: Suzhou QC Solar Co Ltd
Current assignee: Suzhou QC Solar Co Ltd
Priority date: 2011-06-22
Filing date: 2011-06-22
Publication date: 2012-03-14
Anticipated expiration: 2021-06-22

Abstract

The utility model relates to a terminal box, which comprises a box body, a cover body, conductive terminals and a diode. The box body comprises a lateral wall and a bottom plate, an accommodating space is formed by the lateral wall and the bottom plate, the bottom plate comprises a first extended edge and a second extended edge which protrude outwards along the horizontal direction from the lateral wall, the second extended edge protrudes outwards from a portion of the outer edge of the first extended edge, and an anode input end and a cathode input end are arranged at the front end of the box body. The cover body is covered on the box body, the conductive terminals are accommodated in the accommodating space of the box body, and each conductive terminal at least comprises a first conductive terminal and a second conductive terminal which are arranged on two sides of the conductive terminal and connected with the anode input end and the cathode input end respectively. The diode is electrically connected between adjacent conductive terminals. The terminal box has the advantages that the bottom plate of the box body is large in rubberizing area and firm in adhesion, and simultaneously the terminal box saves materials and is low in cost.

Description

Terminal box

Technical field

The utility model relates to a kind of photovoltaic and uses terminal box, relates in particular to a kind of box body structure of terminal box.

Background technology

Solar battery component junction box is between the solar cell array of solar module formation and the connector between the solar charging controller for electric consumption, is the cross-cutting comprehensive design that the design of a current collection gas, Machine Design combine with material science.Solar battery component junction box is extremely important in the composition of solar components, and main effect is that the electric power that solar cell produces is connected with outside line.Terminal box sticks together through the backboard of silica gel and assembly, and the lead-out wire in the assembly links together through the internal wiring in the terminal box, and internal wiring and External cable link together, and make assembly and External cable conducting.Diode is arranged in the terminal box, guarantee that assembly can operate as normal when being in the light.

Solar module is divided into commercial: monocrystalline silicon module, polysilicon module, hull cell (amorphous silicon, CdTe and CIS module).Compare with other solar cells, the amorphous silicon membrane battery has following advantage: power generation performance is good, energy return period weak point, price advantage etc., so the amorphous silicon membrane battery has obtained application more and more widely.At present, the hull cell on the market generally can be provided with an open slot at the back, be connected with the band that confluxes in the open slot, and the band that confluxes can be connected with the solar junction box of outside.Terminal box is with after the band that confluxes is connected, and base plate sticking that can be through terminal box is in the open slot top, and the sealing of realization pairs of openings groove.In existing solar components product; The client can change the size of open slot as required; But for larger-size open slot, general terminal box is difficult to realize the sealing fully to this open slot, so some manufacturer just increases the area of terminal box base plate; Make the terminal box base plate to expansion all around, but certainly will will increase the cost of product.Simultaneously, if the viscose glue area of terminal box base plate and solar cell module back veneer is too little, also can have influence on the firmness that terminal box is pasted.

The utility model content

To the deficiency of prior art, the technical problem that the utility model solves provides a kind of terminal box firm, material saving of pasting.

For solving the problems of the technologies described above; The technical scheme of the utility model is achieved in that a kind of terminal box, and said terminal box comprises: box body, and said box body comprises sidewall and base plate; Sidewall and base plate constitute a receiving space; Base plate comprises that from the first expansion edge that the sidewall along continuous straight runs outwards protrudes out and the second expansion edge, second partial outer edge of expansion edge from the first expansion edge outwards protrudes out, and said box body front end is provided with electrode input end and negative input; Lid is covered in the top of box body; Conducting terminal is contained in the receiving space of said box body, and said conducting terminal comprises first conducting terminal and second conducting terminal that is positioned at both sides and is connected with negative input with electrode input end respectively at least; Diode is electrically connected between the adjacent conductive terminal.

As the further improvement of the utility model, said each conducting terminal comprises flat weld part that flat main part, autonomous body one end extend and the wire connecting portion that is formed at the main part other end.

As the further improvement of the utility model, said main part has upwards protruded out a location division.

As the further improvement of the utility model, the both sides of said diode horizontal-extending respectively are welded in the lip-deep pin of said main part, and said pin is positioned between said location division and the wire connecting portion.

As the further improvement of the utility model, the autonomous body of said weld part bends the back horizontal-extending downwards, and main part caves inward fluted near the both sides of the symmetry of weld part one end.

Further improvement as the utility model; Be provided with clamp and button in the said box body; Said clamp and said groove fit make conducting terminal in the face at main part place, to move, and said button is held in said main part upper surface and limits moving up and down of said conducting terminal.

Further improvement as the utility model is fixed with scolding tin on the upper surface of said weld part.

As the further improvement of the utility model, the both sides of said wire connecting portion upwards are bent to form a holding tank.

Further improvement as the utility model; Said terminal box also comprises a card wire module; Said card wire module comprises buckle and cable clamping interface, and said box body is provided with and the said draw-in groove that is clasped and engages, and said electrode input end and negative input are respectively equipped with electrode cable and negative pole cable; Said electrode cable and negative pole cable extend to and electrically connect said first conducting terminal and second conducting terminal in the box body respectively; Said box body is inner to cooperate said cable clamping interface to be provided with top cover, and said top cover limits said electrode cable or the negative pole cable moves upward, and said electrode cable or negative pole cable accepting also are held between said cable clamping interface and the top cover.

As the further improvement of the utility model, the inwall of said box body is provided with the encapsulating line, and said encapsulating line is positioned at horizontal plane and is formed at least one sidewall of box body, and said encapsulating line convexedly stretches in the inner wall surface of said box body.

Compared with prior art, the beneficial effect of the utility model is: through the part edge of expansion box plate, increased viscose glue area between box plate and the solar panel, pasted firmly, practiced thrift materials simultaneously, cost is low.

Description of drawings

Shown in Figure 1 is the three-dimensional exploded perspective view of terminal box in the utility model specific embodiment;

Shown in Figure 2 is the schematic perspective view of card wire module in the utility model specific embodiment;

Shown in Figure 3 is the schematic perspective view of conducting terminal in the utility model specific embodiment.

Embodiment

Below will combine specific embodiment that the terminal box of the utility model is carried out detailed description.Join terminal box shown in Figure 1, as preferably, it can be used in the amorphous silicon membrane battery component, but does not also limit the solar module that is used for other kinds.

Terminal box plays important effect in solar module, it can not only be transferred to the electricity that solar cell produces in the external circuit easily and go, and it also is " bodyguard " of solar module simultaneously.Terminal box is the cross-cutting comprehensive design that the design of current collection gas, Machine Design combine with material science; When terminal box was served as " bodyguard ", it utilized the performance of diode self to make solar module when other unfavorable factors such as shading, current mismatch take place, and can also keep it to work, and suitably reduces loss.Join shown in Figure 1ly, terminal box comprises box body 1, lid 2, conducting terminal 3 and diode 4, lid 2 be covered in box body 1 top and and box body 1 between realize sealing, conducting terminal 3 is fixed in the box body 1, diode 4 is electrically connected between the adjacent conductive terminal 3.

Box body 1 is the cuboid setting of open upper end, comprises sidewall 11 and base plate 12, and base plate 12 is positioned at horizontal plane and perpendicular to sidewall 11, forms a receiving space between base plate 12 and the sidewall 11, and conducting terminal 3 places in this receiving space with diode 4.Base plate 12 has outwards protruded out the first expansion edge 121 and the second expansion edge 122 from the edge of sidewall 11; Be provided with around the first expansion edge, the 121 ring box bodys 1; Second partial outer edge of expansion edge 122 from the first expansion edge 121 outwards protrudes out; That is to say that the second expansion edge 122 can only be formed at any part of any lateral edges at the first expansion edge 121, also can be formed at a plurality of lateral edges at the first expansion edge 121 simultaneously.The second expansion edge 122 the viscose glue area that has increased between terminal box and the solar cell module back veneer is set, thereby make paste between terminal box and the solar module more firm.Terminal box in the present embodiment is in being applied to the amorphous silicon membrane battery time; Sealing can be realized to the open slot at the back of amorphous silicon membrane battery in the first expansion edge 121 and the second expansion edge 122; Can come size, position and the shape at the first expansion edge 121 and the second expansion edge 122 are made corresponding change to the size and the shape of open slot simultaneously; For example, when the sealing of pairs of openings groove can have been realized in the first expansion edge 121, the second expansion edge 122 can no longer be provided with; Perhaps any one section of any any side of being located at the first expansion edge 121 in the second expansion edge 122 big or smallly, to increase the viscose glue area; For the bigger solar module of open slot; The first expansion edge 121 can't cover whole open slot fully; Then the second expansion edge 122 can extend to the position that open slot exposes the first expansion edge, 121 sides, to realize the sealing fully of pairs of openings groove, simultaneously since the second expansion edge 122 minimize extension; Practiced thrift materials, and then reduced cost.

The plate body that lid 2 is rectangular, its edge is arranged with some draw-in grooves 21.Protruded out trip 14 on the inwall of box body 1, trip 14 cooperates draw-in groove 21 to be provided with, and realizes the fixing of lid 2 and box body 1 through the fastening of trip 14 and draw-in groove 21.Protruded out some support columns 15 in the box body 1, support column 15 is in order to supporting the lower surface of lid 2, and makes the upper surface of lid 2 be barred from the below of trip 14.The inwall of box body 1 also is provided with encapsulating line 16; Encapsulating line 16 is positioned at horizontal plane and is formed at least one sidewall of box body 1; Said encapsulating line 16 convexedly stretches in the inner wall surface of said box body 1; The effect of encapsulating line 16 is the stop positions that are used for indicating encapsulating, is about to glue and fills out the position of irritating to encapsulating line 16 and get final product.Encapsulating line 16 so it can be provided with, also can only be set to one section horizontal line owing to be the indication effect around the inwall of box body 1.

The sidewall 11 of box body 1 front end is provided with electrode input end and negative input (not label); Electrode input end and negative input are respectively a through hole (not label), and electrode cable 5 electrically connects with the conducting terminal 3 that negative pole cable 6 can pass in this through hole and the box body 1.

Ginseng Fig. 2, terminal box also comprises a card wire module 7, card wire module 7 comprises main part 71, buckle 72 and cable clamping interface 73.Buckle 72 comprises first buckle 721 that is positioned at main part 71 both sides and second buckle 722 that is positioned at main part 71 middle parts respectively; Cable clamping interface 73 is an arc groove; Some fins 731 have been protruded out on the upper surface of groove; Cable clamping interface 73 is formed at the both sides of second buckle 722 respectively, and it is used to accommodate the electrode cable 5 and negative pole cable 6 that is positioned at box body 1, and the top of electrode cable 5 and negative pole cable 6 is by 1 shade of box body.The front end of box body 1 is provided with draw-in groove 13; Draw-in groove 13 comprises that first draw-in groove 131 that is positioned at box body 1 both sides and second draw-in groove, 132, the first draw-in grooves 131 that are positioned at the box body middle part and second draw-in groove 132 cooperate first buckle 721 and second buckle 722 on the card wire module 7 to be fastened respectively.Box body 1 inside also cooperates said cable clamping interface 73 to be provided with top cover (not label); The receiving space that top cover is positioned at the top of electrode cable 5 or negative pole cable 6 and electrode cable 5 or negative pole cable 6 the first half are accommodated in formation one in the below, top cover moves upward in order to restriction electrode cable 5 or negative pole cable 6.Card wire module 7 is interlocked from the bottom and the box body 1 of box body 1; Behind the fastening; Electrode cable 5 and negative pole cable 6 place between two cable clamping interfaces 73 and the top cover also clamped respectively; Fin 731 is held in the plastic cement surface of electrode cable 5 and negative pole cable 6 and limits it and move at this moment, makes electrode cable 5 and negative pole cable 6 by firm being fixed in the box body 1, thereby has increased the pulling force between cable and the terminal box effectively.

Join shown in Figure 3ly, conducting terminal 3 comprises respectively first conducting terminal 31 and second conducting terminal 32 that is connected with negative input with electrode input end.First conducting terminal 31 is identical terminal with second conducting terminal 32, and each conducting terminal comprises flat weld part 34 that flat main part 33, autonomous body 33 1 ends extend and the wire connecting portion 35 that is formed at main part 33 other ends.The upper surface of main part 33 has upwards protruded out a location division 331; Weld part 34 autonomous body 33 1 ends bend the back horizontal-extending downwards; Main part 33 caves inward fluted 332 near the both sides of the symmetry of weld part 34 1 ends, the both sides of wire connecting portion 35 upwards are bent to form a holding tank.The upper surface of weld part 34 can be provided with scolding tin in advance, when the band that confluxes on terminal box and the solar module is connected, can directly heat scolding tin, to realize weld part 34 and the fixed connection between the terminals of being with of confluxing.Wire connecting portion 35 can grip and realize to electrically connect with the end that electrode cable 5 or negative pole cable 6 extend in the box body 1.Be provided with clamp 17 and button 18 in the box body 1, the both sides that said clamp 17 is sticked in groove 332 make conducting terminal 3 in horizontal plane, to move, and said button 18 is held in the upper surface of said main part 33 and limits moving up and down of said conducting terminal 3.Be easy to expect that conducting terminal 3 is not limited to be set to two in the utility model, it also can be set to three or four as required.

Diode 4 is electrically connected between the adjacent conductive terminal 3, and there is pin (not label) both sides of diode 4 horizontal-extending respectively, and said pin is located between said location division 331 and the wire connecting portion 35, and is welded on main part 33 surfaces.

To those skilled in the art, obviously the utility model is not limited to the details of above-mentioned example embodiment, and under the situation of spirit that does not deviate from the utility model or essential characteristic, can realize the utility model with other concrete form.Therefore; No matter from which point; All should regard embodiment as exemplary; And be nonrestrictive, the scope of the utility model is limited accompanying claims rather than above-mentioned explanation, therefore is intended to the implication of the equivalents that drops on claim and all changes in the scope are included in the utility model.Should any Reference numeral in the claim be regarded as limit related claim.

In addition; Describing according to execution mode though should be appreciated that this specification, is not that each execution mode only comprises an independently technical scheme; This narrating mode of specification only is for clarity sake; Those skilled in the art should make specification as a whole, and the technical scheme among each embodiment also can form other execution modes that it will be appreciated by those skilled in the art that through appropriate combination.

Claims

1. a terminal box is characterized in that, said terminal box comprises:

Box body; Said box body comprises sidewall and base plate; Sidewall and base plate constitute a receiving space; Base plate comprises that from the first expansion edge that the sidewall along continuous straight runs outwards protrudes out and the second expansion edge, second partial outer edge of expansion edge from the first expansion edge outwards protrudes out, and said box body front end is provided with electrode input end and negative input;

Lid is covered in the top of box body;

Conducting terminal is contained in the receiving space of said box body, and said conducting terminal comprises first conducting terminal and second conducting terminal that is positioned at both sides and is connected with negative input with electrode input end respectively at least;

Diode is electrically connected between the adjacent conductive terminal.

2. terminal box according to claim 1 is characterized in that: said each conducting terminal comprises flat weld part that flat main part, autonomous body one end extend and the wire connecting portion that is formed at the main part other end.

3. terminal box according to claim 2 is characterized in that: said main part has upwards protruded out a location division.

4. terminal box according to claim 3 is characterized in that: the both sides of said diode horizontal-extending respectively are welded in the lip-deep pin of said main part, and said pin is positioned between said location division and the wire connecting portion.

5. terminal box according to claim 2 is characterized in that: the autonomous body of said weld part bends the back horizontal-extending downwards, and main part caves inward fluted near the both sides of the symmetry of weld part one end.

6. terminal box according to claim 5; It is characterized in that: be provided with clamp and button in the said box body; Said clamp and said groove fit make conducting terminal in the face at main part place, to move, and said button is held in said main part upper surface and limits moving up and down of said conducting terminal.

7. terminal box according to claim 2 is characterized in that: be fixed with scolding tin on the upper surface of said weld part.

8. terminal box according to claim 2 is characterized in that: the both sides of said wire connecting portion upwards are bent to form a holding tank.

9. terminal box according to claim 1; It is characterized in that: said terminal box also comprises a card wire module; Said card wire module comprises buckle and cable clamping interface; Said box body is provided with and the said draw-in groove that is clasped and engages; Said electrode input end and negative input are respectively equipped with electrode cable and negative pole cable, and said electrode cable and negative pole cable extend to and electrically connect said first conducting terminal and second conducting terminal in the box body respectively, and said box body is inner to cooperate said cable clamping interface to be provided with top cover; Said top cover limits said electrode cable or the negative pole cable moves upward, and said electrode cable or negative pole cable accepting also are held between said cable clamping interface and the top cover.

10. terminal box according to claim 1 is characterized in that: the inwall of said box body is provided with the encapsulating line, and said encapsulating line is positioned at horizontal plane and is formed at least one sidewall of box body, and said encapsulating line convexedly stretches in the inner wall surface of said box body.