CN208581207U - Solar junction box and solar cell module - Google Patents

Abstract

The utility model relates to a kind of solar junction boxes, including box body, box cover, multiple connecting terminals and multiple diodes, the bottom plate of the box body includes hanging plate and for the mounting plate Nian Jie with solar energy backboard, hanging plate connect to form step-like structure with mounting plate, in being disposed with multiple bottom heat radiation pieces in the outer plate surface of hanging plate, each diode is installed in the box cavity of hanging plate side, and each connecting terminal is installed in the box cavity of mounting plate side.In addition a kind of solar cell module using above-mentioned solar junction box is also provided.It is installed by mounting plate to solar energy backboard, and it is spaced between hanging plate meeting and solar energy backboard, the heat dissipation area of box body can be increased, especially, multiple bottom heat radiation pieces are arranged in the outer plate surface of hanging plate, the box body radiating efficiency of hanging plate side can be improved, so as to pointedly quickly distribute the heat around diode, guarantee safety in utilization and the service life of solar junction box.

Description

Solar junction box and solar cell module

Technical field

The utility model belongs to technical field of solar batteries, and in particular to a kind of solar junction box and uses the sun The solar cell module of energy terminal box.

Background technique

An important component of the solar junction box as solar cell module is constituted between solar cell module Solar cell array and rechargeable solar battery control device between connector；There are two types of solar junction box mainly has Function: basic function is connection photovoltaic module and load, and the electric current that component generates is drawn and generates power；Additional function is to protect Protecting assembly lead-out wire, prevents hot spot effect.

In the prior art, solar junction box generally comprises box body, box cover, connecting terminal and diode etc., connecting terminal It is installed in box body with diode, then is closed and sealed by box cover lid.Wherein the major function of diode is: one in solar components When piece or one group of battery failure, one bypass channel of photogenerated current of the photovoltaic array comprising the component is given, makes square matrix can To work on；In this case, it has photogenerated current and flows through two poles in parallel with the solar cell of failure or battery pack Pipe causes the diode to generate heat.If the electronic components such as diode do not burn to the heat dissipation performance of terminal box in Canon, make this Solar components are entirely ineffective, and the square matrix comprising the component can not work.Currently, there is heat dissipation hardly possible mostly in solar junction box Problem, particular without the heat dissipation design for being directed to diode surrounding space.

Utility model content

The utility model embodiment is related to a kind of solar junction box and the solar battery using the solar junction box Component can at least solve the segmental defect of the prior art.

The utility model embodiment is related to a kind of solar junction box, including box body, box cover, multiple connecting terminals and multiple Diode, the bottom plate of the box body include hanging plate and for the mounting plate Nian Jie with solar energy backboard, the hanging plate with it is described Mounting plate connects to form step-like structure, in being disposed with multiple bottom heat radiation pieces in the outer plate surface of the hanging plate, each described two Pole pipe is installed in the box cavity of the hanging plate side, and each connecting terminal is installed in the box body of the mounting plate side In inner cavity.

As one of embodiment, the bottom end of each bottom heat radiation piece is concordant with the outer plate surface of the mounting plate.

As one of embodiment, the hanging plate is connect with the mounting plate by a pinboard, Yu Suoshu pinboard Multiple side plate cooling fins are equipped in inside and outside plate face.

As one of embodiment, the box cover is equipped with multiple top heat dissipation pieces.

As one of embodiment, which further includes circuit board, each connecting terminal and each two pole Guan Jun is welded on the circuit board；The mounting plate is equipped with mounting bracket, and the circuit board has part plate body to install in institute It states on hanging plate and separately there is part plate body support to be fixed in the mounting bracket.

As one of embodiment, multiple heat release holes, each heat release hole are offered on the box side wall of the mounting plate side In be equipped with dialysis membrane.

As one of embodiment, multiple heat release holes are offered on the hanging plate, are equipped with dialysis in each heat release hole Film.

As one of embodiment, the box cover is connect or hinged with the cases snap.

The utility model embodiment is related to a kind of solar cell module, including solar energy backboard, further includes as described above Solar junction box, the mounting plate is adhered on the solar energy backboard.

The utility model embodiment at least has the following beneficial effects:

Solar junction box provided by the utility model is installed by mounting plate to solar energy backboard, and hanging plate meeting It is spaced between solar energy backboard, the heat dissipation area of box body can be increased, especially, arranged in the outer plate surface of hanging plate The box body radiating efficiency of hanging plate side can be improved in multiple bottom heat radiation pieces, so as to pointedly quickly by diode week The heat enclosed distributes, and guarantees safety in utilization and the service life of solar junction box.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the structural schematic diagram of solar junction box provided by the embodiment of the utility model.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.

Embodiment one

Such as Fig. 1, the utility model embodiment provides a kind of solar junction box, including box body 1, box cover 2, multiple terminals Sub and multiple diodes, 1 bottom plate of box body includes hanging plate 11 and for the mounting plate 12 Nian Jie with solar energy backboard, described Hanging plate 11 connect to form step-like structure with the mounting plate 12, in being disposed with multiple bottoms in the outer plate surface of the hanging plate 11 Portion's cooling fin 14, each diode are installed in 1 inner cavity of box body of hanging 11 side of plate, and each connecting terminal is pacified In 1 inner cavity of box body of 12 side of mounting plate.Wherein, box cover 2 and box body 1 can be using snapping connection or hinged removable Connection structure is unloaded, this is this field routine techniques, and specific structure does not repeat herein；It is apparent from ground, hanging 11 plate face of plate and installation 12 plate face of plate is parallel, and the two is connected by a pinboard 13, the plate face of the pinboard 13 and hanging 11 plate face of plate and mounting plate 12 Plate face is vertical；Corresponding to where hanging plate 11 and mounting plate 12, above-mentioned box body 1 includes hanging section box body and construction section box body, Wherein, the bottom plate of hanging section box body is hanging plate 11, and the bottom plate of construction section box body is mounting plate 12, hanging section box body and peace Section box cavity open communication is filled, the top of the two is preferably concordant, to connect with box cover 2.As this field routine techniques, Above-mentioned connecting terminal and diode generally weld on circuit boards, which is then fixedly mounted in above-mentioned box body 1, the electricity The assembling structure of road plate is that those skilled in the art are easily designed, is not repeated herein；It is easy-to-understand to, then the circuit board one Part is located in above-mentioned hanging section box body, and another part is located in above-mentioned construction section box body.It is further preferred that installing Plate 12 is equipped with mounting bracket (not shown), which has part plate body to install on hanging plate 11 and separately having part plate body to hold Support is fixed in mounting bracket, and the arragement construction of this circuit board can fully guarantee the structural stability of circuit board, that is, protect The connection structure stability of each connecting terminal and connector and the job stability of each diode are demonstrate,proved, moreover, being equipped with two The circuit board plate body of pole pipe is equipped with bottom due to directly contacting with the inner plate surface of hanging plate 11, then based on hanging 11 outer plate surface of plate The structure of cooling fin 14 can be further improved the lost speed of diode ambient heat.

Solar junction box provided in this embodiment is installed by mounting plate 12 to solar energy backboard, and hanging plate 11 It is spaced between meeting and solar energy backboard, the heat dissipation area of box body 1 can be increased, especially, in the outer plate surface of hanging plate 11 The upper multiple bottom heat radiation pieces 14 of arrangement, can be improved 1 radiating efficiency of box body of hanging 11 side of plate, so as to pointedly quick Heat around diode is distributed, guarantees safety in utilization and the service life of solar junction box.

It is further preferred that the bottom end of each bottom heat radiation piece 14 is concordant with the outer plate surface of the mounting plate 12, this On the other hand on the one hand heat dissipation area that kind structure can increase bottom heat radiation piece 14 can design one of them or several bottoms Portion's cooling fin 14 and solar energy backboard are connected, to improve the mounting structure stability and reliability of the solar junction box.At it In middle one embodiment, each bottom heat radiation piece 14 is that one end is mounted on above-mentioned pinboard 13, and the other end extends to hanging section One end of the separate construction section box body of box body；In a further embodiment, each bottom heat radiation piece 14 is then and 13 plate face of pinboard Parallel, then, multiple side plate cooling fins can be respectively provided with, in the inside and outside plate face of pinboard 13 further to improve construction section box body Heat dissipation performance.

In addition, multiple top heat dissipation pieces 21 can further be arranged on box cover 2, the solar junction box is further increased Radiating efficiency.

As preferred embodiment, multiple heat release holes (not shown) is offered on above-mentioned hanging plate 11, to mention Uphang the heat dissipation performance of dead band box body；In addition, can also be opened up on box body 1 (namely construction section box body) side wall of 12 side of mounting plate Multiple heat release holes, to improve the heat dissipation performance of construction section box body.It is further preferred that it is equipped with dialysis membrane in each heat release hole, It under the premise of guaranteeing performance of ventilating, can prevent moisture from entering in box body 1, improve the service life of each component in box body 1.

Embodiment two

The utility model embodiment is related to a kind of solar cell module, including solar battery sheet, solar energy backboard and The mounting structure of solar junction box etc., solar battery sheet and solar energy backboard etc. is this field routine techniques, is not made herein It is described in detail, solar junction box is then mounted on solar energy backboard, wherein the solar junction box preferably uses above-described embodiment Solar junction box provided by one, the mounting plate 12 are adhered on the solar energy backboard.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (9)

1. a kind of solar junction box, including box body, box cover, multiple connecting terminals and multiple diodes, it is characterised in that: described The bottom plate of the box body includes hanging plate and for the mounting plate Nian Jie with solar energy backboard, and the hanging plate connect shape with the mounting plate Stepped structure, in being disposed with multiple bottom heat radiation pieces in the outer plate surface of the hanging plate, each diode install in In the box cavity of the hanging plate side, each connecting terminal is installed in the box cavity of the mounting plate side.

2. solar junction box as described in claim 1, it is characterised in that: the bottom end of each bottom heat radiation piece with it is described The outer plate surface of mounting plate is concordant.

3. solar junction box as described in claim 1, it is characterised in that: the hanging plate and the mounting plate pass through one turn Fishplate bar connects, and is equipped with multiple side plate cooling fins in the inside and outside plate face of Yu Suoshu pinboard.

4. solar junction box as claimed any one in claims 1 to 3, it is characterised in that: the box cover is equipped with multiple Top heat dissipation piece.

5. solar junction box as described in claim 1, it is characterised in that: further include circuit board, each connecting terminal and Each diode is welded on the circuit board；The mounting plate is equipped with mounting bracket, and the circuit board has part plate Body is installed on the hanging plate and separately having part plate body support to be fixed in the mounting bracket.

6. solar junction box as described in claim 1, it is characterised in that: offered on the box side wall of the mounting plate side Multiple heat release holes are equipped with dialysis membrane in each heat release hole.

7. solar junction box as described in claim 1, it is characterised in that: multiple heat release holes are offered on the hanging plate, Dialysis membrane is equipped in each heat release hole.

8. solar junction box as described in claim 1, it is characterised in that: the box cover connect or cuts with scissors with the cases snap It connects.

9. a kind of solar cell module, including solar energy backboard, it is characterised in that: further include as any in claim 1 to 8 Solar junction box described in, the mounting plate are adhered on the solar energy backboard.