CN202172369U - Solar energy conjunction box - Google Patents

Abstract

Provided is a solar energy conjunction box, comprising a conjunction seat, a cover body covered above the conjunction seat and cables in connection with the conjunction seat. The conjunction seat comprises a plastic plate, a plurality of metal pads fixed on the plastic plate and a plurality of rectification members in connection with adjacent metal pads; the metal pads are imbed and moulded in the plastic plate; the plastic plate is provided with a plurality of protruded heat dissipation ribs. According to the above arrangement, the heat dissipation ribs can enlarge heat dissipation areas and increase heat dissipation speed, reduces temperatures in the solar energy conjunction box in a faster way and prolongs the service life of the solar energy conjunction box.

Description

Solar junction box

[technical field]

The relevant a kind of solar junction box of the utility model relates in particular to a kind of radiating effect solar junction box preferably.

[background technology]

The prior art relevant with the utility model can be consulted a kind of solar junction box that February 2, disclosed Europatent EP was disclosed for No. 2279529 in 2011, and it comprises the insulation box body, hides the lid in insulation box body top, the some rectification parts that are installed on the number of metal pad in the insulation box body and connect the adjacent metal pad.Said insulation box body comprises a diapire, around diapire, extends upward antetheca, rear wall and two host cavities that sidewall and above-mentioned each wall surrounded of formation.Said antetheca is provided with and supplies two of extraneous cable access to connect the hole.The upper surface of said diapire is the tabular setting, and arrange and hot melt is fixed on the upper surface of diapire by direction along inserting perpendicular to cable for said number of metal pad, so is provided with; The heat that said rectification part produces only is through carrying out heat transmission do thermal radiation in the air of metallic gasket in the insulation box body, carry out the heat transmission by lid heat conduction again, and heat gives out solar junction box the most at last; Yet, well-known, the thermal emissivity rate of metal material a little less than; Dispel the heat through metallic gasket; Effectively let within a short period of time solar junction box dispel the heat, and then cause the solar junction box temperature too high, influence the useful life of solar junction box.

Therefore, be necessary to provide a kind of structure improved solar junction box that has, to overcome above-mentioned defective.

[utility model content]

The purpose of the utility model is to provide a kind of radiating effect solar junction box preferably.

For realizing above-mentioned purpose; The utility model adopts following technical scheme: a kind of solar junction box; Comprise junction block, hide in the lid of junction block top and the cable that connects junction block; Said junction block is provided with the plastic cement plate, be fixed in the number of metal pad on the plastic cement plate and connect some rectification parts of adjacent metal pad, and said metallic gasket edge buries and takes shape in the plastic cement plate, and said plastic cement plate is provided with outstanding some radiating ribs.

Compared with prior art; The utlity model has following beneficial effect: the utility model solar junction box takes shape in the plastic cement plate through the metallic gasket edge is buried; Make that metallic gasket and plastic cement plate surface combination are firm, outstanding radiating ribs is set to increase area of dissipation simultaneously on the plastic cement plate, the heat on the metallic gasket conducts to behind the plastic cement plate; The heat-radiating properties that is superior to metal material based on the heat-radiating properties of plastic cement material; The plastic cement plate can carry out the thermal radiation heat radiation by the very fast air in solar junction box, and then has reduced the solar junction box temperature inside faster, has finally prolonged the useful life of solar junction box.

[description of drawings]

Fig. 1 is the front perspective view of the utility model solar junction box.

Fig. 2 is the stereogram of another angle of the utility model solar junction box.

Fig. 3 is the schematic perspective view of the utility model solar junction box, shows the state that lid is opened.

Fig. 4 is the part three-dimensional exploded view of the utility model solar junction box.

Fig. 5 is the part three-dimensional exploded view of another angle of the utility model solar junction box.

Fig. 6 is the three-dimensional exploded view of the utility model solar junction box.

Fig. 7 is the three-dimensional exploded view of another angle of the utility model solar junction box.

Fig. 8 is the stereogram of Wiring module in the utility model solar junction box.

[embodiment]

See also Fig. 1 to shown in Figure 8, the utility model solar junction box 100 is in order to connect solar cell and transmission current, and said solar junction box 100 comprises junction block, hides in the lid 2 of junction block top and the cable 4 that connects junction block.Said junction block includes insulation box body 1 and is contained in the Wiring module 3 in the insulation box body 1.

See also Fig. 3 to shown in Figure 4, said Wiring module 3 comprises that the plastic cement plate 5, the edge that are rectangle buries the metallic gasket 6 that takes shape in the plastic cement plate 5 and the rectification part 7 of adjacent two metallic gaskets 6 of some connections.

See also Fig. 4 to shown in Figure 8, said plastic cement plate 5 is provided with the body 50 that roughly is rectangular-shaped, runs through some hollow-out parts 51 of body 50 up and down.Said body 50 is provided with towards the upper surface 501 of lid 2 and the some radiating ribs 55 that project upwards from upper surface 501.In the utility model, said hollow-out parts 51 is provided with two along body 50 fore-and-aft directions, and said hollow-out parts 51 is extended so that plastic cement plate 5 front and back are broken as three sections along body 50 Widths.From front to back, first of said body 50 section is provided with first the step down portion 52 and be positioned at the elastic clamping hook 53 that front center projects upwards forward again that is positioned at the front end both sides and runs through up and down.Second section of said body 50 is provided with and is positioned at the center, and extends upward to support the bracing frame 502 of lid 2 from upper surface 501.The 3rd section of said body 50 is provided with upwardly extending jube 503 in a side of second section near body 50; And some lattice-shapeds second portion 54 that steps down of depression from back to front; Step down for adjacent two second and be provided with partition wall 56 between the portion 54, top, said partition wall 56 rear end is provided with the breach 551 to lower recess.The upper surface 501 of plastic cement plate 5 is extended and be uniformly distributed in to said some radiating ribs 55 from front to back, is arranged in parallel between some said radiating ribs 55.In the utility model, some radiating ribs 55 are set on the upper surface 501 of said plastic cement plate 5 to increase area of dissipation.

Said metallic gasket 6 be provided with connection cable 4 and be contained in first step down connecting portion 61 in the portion 52, insert directions from connecting portion 61 cables 4 along the line and extend back and inlay and bury the main part that takes shape in said body 50 in, reach autonomous body rear end and continue to extend back and be contained in the second 54 interior access portions 62 that are connected with territory extraneous solar cell (not shown) of portion that step down.Said main part also is provided with the weld part 63 that is exposed in the said hollow-out parts 51.Said weld part 63 is provided with the positioning convex point of going out on the autonomous agent subordinate direction 64, and said positioning convex point 64 projects upwards in said weld part 63 in pairs.

Said solar junction box 100 also is provided with in order to the access portion 62 of clamping metallic gasket 6 and the elasticity wire clamp 9 of the lug plate (not shown) of extraneous solar cell.Said elasticity wire clamp 9 is the flexure strip of the mutual buckle in two ends; Said flexure strip one end is provided with perforation 91; An other end is worn sheet 92 for what be narrower than flexure strip body width slightly, and the said sheet 92 of wearing penetrates perforation 91, and said access portion 62 is held in said wearing between sheet 92 and 91 the inwall of boring a hole.When the lug plate (not shown) of said solar junction box 100 and solar cell when being connected, only need said lug plate is plugged to and wear between sheet 92 and 91 the inwall of boring a hole, can realize the electric connection of lug plate and access portion 62.

Said rectification part 7 is provided with the outward extending pin 71 from its both sides, and said pin 71 is welded in respectively between two positioning convex points 64 on the adjacent weld part 63.

Said insulation box body 1 roughly is square box shape, and be provided with two side 11, respectively connect antetheca 12 and the rear wall 13 of 11 front and back ends, two side, at host cavity 10 between antetheca 12, rear wall 13 and the two side 11 and the diapire 14 that is positioned at part hollow out below the host cavity 10.Be set up in parallel about said antetheca 12 is provided with two grooves (not shown) that have externally threaded wiring hole 121, the buckle slot between two wiring holes 121 122 and support each other with elastic clamping hook 53 with plastic cement plate 5 from one side depression towards host cavity 10.11 outsides, said two side are outwards outstanding respectively to be provided with the fin 111 that extends below on some with convenient said solar junction box 100 heat radiations, 11 inboards, said two side respectively in host cavity 10 projection be provided with the some positioning bars 112 that extend below to offset with plastic cement plate 5.Said rear wall 13 is provided with two pre-and post perforative through holes 131.Said diapire 14 be provided with two along the left and right sides horizontal expansion and front and back laterally arrange holds jube 141; Saidly arrange and pre-and post perforative some openings 142 about jube 141 is provided with near holding of rear wall 13, jube 141 forward walls 12 directions that hold between said adjacent two openings 142 are equipped with the pressure section 143 that compresses breach 551 downwards.Form the wiring part that supplies extraneous solar cell to insert between the said diapire 14 that holds jube 141 and rear wall 13 and run through up and down near rear wall 13.Said pressure section 143 extends to opening 142 a little to both sides respectively and is provided with perforation 91 free terminal to compress said elasticity wire clamp 9 downwards, in case principal vertical line folder 9 gets loose.

Said lid 2 front ends are provided with correspondence and are snapped in holding in the buckle slot 122 of insulation on the box portion front 12 and collude 21; Said lid 2 rear ends are provided with to the catch that extends below 22, and said catch 22 outsides are provided with outstanding backward to be snapped in the projection 23 in the through hole 131 on insulation box body 1 rear wall 13.Be tightly connected with sealing ring 8 between said lid 2 and the insulation box body 1, said sealing ring 8 is roughly the rectangle ring-type of being processed by materials such as silica gel or plastic cement.

Said two cables 4 comprise the nut 41 with internal thread and are arranged in the lead 42 of nut 41 inside.The external screw thread of the internal thread of said nut 41 and said wiring hole 121 is coupled, and the end that said lead 42 passes wiring hole 121 is connected with the connecting portion 61 of said metallic gasket 6 and takes place electrically to contact.So be provided with, to realize the installing and locating of cable 4 and insulation box body 1.

In sum; The utility model solar junction box 100 takes shape in the plastic cement plate 5 through metallic gasket 6 edges are buried; Make that metallic gasket 6 and plastic cement plate 5 surface combination are firm, outstanding radiating ribs 55 is set to increase area of dissipation simultaneously on plastic cement plate 5, the heat on the metallic gasket 6 conducts to behind the plastic cement plate 5; The heat-radiating properties that is superior to metal material based on the heat-radiating properties of plastic cement material; Plastic cement plate 5 can carry out the thermal radiation heat radiation by the very fast air in solar junction box 100, and then has reduced solar junction box 100 temperature inside faster, has finally prolonged the useful life of solar junction box 100.

In the utility model solar junction box 100:

Said metallic gasket 6 edges bury and take shape in the plastic cement plate 5, and said plastic cement plate 5 is provided with outstanding some radiating ribs 55;

Said plastic cement plate 5 is provided with the upper surface 501 towards lid, and said radiating ribs 55 projects upwards from upper surface 501.

Said radiating ribs 55 is uniformly distributed in the upper surface 501 of plastic cement plate 5, and is arranged in parallel between some radiating ribs 55;

The bearing of trend of said radiating ribs 55 is identical with the bearing of trend of said metallic gasket 6 in plastic cement plate 5;

Said metallic gasket 6 is provided with the connecting portion 61 of connection cable 4, inserts the access portion 62 that main part that directions extend back and autonomous body continue to extend back from connecting portion 61 to cable 4, and said main part edge buries and takes shape in the plastic cement plate 5;

Said plastic cement plate 5 also is provided with the some hollow-out parts 51 that run through up and down, and said main part is provided with the weld part 63 that is exposed in the hollow-out parts;

Said hollow-out parts 51 is extended along plastic cement plate 5 Widths said plastic cement plate 5 is divided into plurality of sections along front and back, and said weld part 63 links together plastic cement plate 5 front and back of breaking off;

Said plastic cement plate 5 also is provided with and extends upward to support the bracing frame 502 of lid 2;

Said plastic cement plate 5 front ends are provided with and run through up and down accommodating first of metallic gasket 6 connecting portions 61 portion 52 that steps down, and said plastic cement plate 5 rear ends are provided with some running through up and down to step down and to accommodate the portion 54 that steps down of second of metallic gasket 6 access portions 62;

Said junction block also comprises the insulation box body 1 of accommodating plastic cement plate 5, and said plastic cement plate 5 front ends also are provided with the trip 53 that is snapped in the insulation box body 5, and said trip 53 is stepped down between the portion 52 at symmetrically arranged two said first.

In sum; More than be merely the preferred embodiment of the utility model; Should not limit the scope of the utility model with this, promptly every simple equivalent of doing according to the utility model claims and description changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims (10)

1. solar junction box; Comprise junction block, hide in the lid of junction block top and the cable that connects junction block; Said junction block is provided with the plastic cement plate, be fixed in the number of metal pad on the plastic cement plate and connect some rectification parts of adjacent metal pad; It is characterized in that: said metallic gasket edge buries and takes shape in the plastic cement plate, and said plastic cement plate is provided with outstanding some radiating ribs.

2. solar junction box as claimed in claim 1 is characterized in that: said plastic cement plate is provided with the upper surface towards lid, and said radiating ribs projects upwards from upper surface.

3. solar junction box as claimed in claim 2 is characterized in that: said radiating ribs is uniformly distributed in the upper surface of plastic cement plate, and is arranged in parallel between some radiating ribs.

4. solar junction box as claimed in claim 3 is characterized in that: the bearing of trend of said radiating ribs is identical at the intraplate bearing of trend of plastic cement with said metallic gasket.

5. solar junction box as claimed in claim 3; It is characterized in that: said metallic gasket is provided with the connecting portion of connection cable; Insert the access portion that main part that direction extends back and autonomous body continue to extend back from connecting portion to cable, said main part edge buries and takes shape in the plastic cement plate.

6. solar junction box as claimed in claim 5 is characterized in that: said plastic cement plate also is provided with the some hollow-out parts that run through up and down, and said main part is provided with the weld part that is exposed in the hollow-out parts.

7. solar junction box as claimed in claim 6 is characterized in that: said hollow-out parts is divided into plurality of sections with said plastic cement plate along front and back along the extension of plastic cement plate Width, and said weld part is with linking together before and after the plastic cement plate that breaks off.

8. solar junction box as claimed in claim 6 is characterized in that: said plastic cement plate also is provided with and extends upward to support the bracing frame of lid.

9. solar junction box as claimed in claim 1; It is characterized in that: said plastic cement plate front end is provided with and runs through up and down accommodating first of the metallic gasket connecting portion portion that steps down, and said plastic cement plate rear end is provided with some running through up and down to step down and to accommodate the portion that steps down of second of metallic gasket access portion.

10. solar junction box as claimed in claim 9; It is characterized in that: said junction block also comprises the insulation box body of accommodating the plastic cement plate; Said plastic cement plate front end also is provided with the trip that is snapped in the insulation box body, and said trip is stepped down between the portion at symmetrically arranged two said first.

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