CN208638325U - A kind of solar junction box - Google Patents

Abstract

The utility model provides a kind of solar junction box, including junction box body and connector cover, first interval and second interval are divided by first partition inside the junction box body, first circuit board is equipped in the first interval, second partition is equipped in the second interval, the both ends of the second partition are detachably connected with the junction box body inner wall and the first partition respectively, the second interval is divided into third chamber and the 4th chamber by the second partition, one side surface of the second partition towards third chamber is installed on second circuit board, one side surface of the second partition towards the 4th chamber is installed on tertiary circuit plate, the first circuit board is corresponded in the junction box body, live wire inlet and outlet are opened up on the side wall of second circuit board and tertiary circuit plate.Solar junction box provided by the utility model is novel in design, can connect multiple loads, and good heat dissipation effect, the utilization rate for sealing waterproof, easy access maintenance circuitry plate and tray interior space are high.

Description

A kind of solar junction box

Technical field

The utility model relates to a kind of solar junction box more particularly to a kind of solar junction boxes.

Background technique

The design of solar junction box structure is to be related to the synthesis of the multiple fields such as electrical design, Machine Design and material science Property design.Solar junction box is extremely important in the composition of solar components, and solar junction box is by solar components electricity The Overbridge device that the lead of road plate is connect with external lead wire, inside are equipped with diode, guarantee that solar components circuit board is being kept off Light time can work normally.Solar junction box currently on the market is only provided with one piece of solar components circuit board mostly, can connect Load it is very little, circuit board is packed into mostly not easy to disassemble after box body, and repair and maintenance circuit board is inconvenient, the benefit of tray interior space Not high with rate, the thermal diffusivity of circuit board is bad, influences the service life of electric elements on circuit board.Sometimes solar junction box Installation environment is moister, so the sealing waterproofness of terminal box is also extremely important.

It is therefore desirable to design a kind of solar junction box, to overcome the above problem.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art, provide a kind of solar junction box, can complete Multi-path line connects with task, and the leakproofness of box body, waterproofness, heat dissipation effect are all fine, can extend in box body electric wire and The service life of electronic component.

The utility model is realized in this way:

The utility model provides a kind of solar junction box, including junction box body and connector cover, in the junction box body Portion is divided into first interval and second interval by first partition, is equipped with first circuit board, the second interval in the first interval Interior to be equipped with second partition, the both ends of the second partition detachably connect with the junction box body inner wall and the first partition respectively It connects, the second interval is divided into third chamber and the 4th chamber by the second partition, and the second partition is towards third chamber A side surface be installed on second circuit board, a side surface of the second partition towards the 4th chamber is installed on tertiary circuit Plate, Yu Suoshu junction box body corresponds to be offered on the side wall of the first circuit board, second circuit board and tertiary circuit plate Electric wire inlet and outlet.

Preferably, the both ends difference intercalation of the second partition is in the junction box body inner wall and the first partition On.

Preferably, the equal intercalation in the both ends of the first partition is on the junction box body inner wall.

Preferably, the first circuit board, second circuit board and tertiary circuit plate are equipped with for diode radiating Radiator.

Preferably, the connector cover is fastened and connected with the junction box body.

Preferably, the junction box body and the connector cover joint are equipped with sealing ring, the sealing ring install in On the junction box body.

Preferably, the junction box body on the boss of annular is equipped with along inside, the top of the boss is equipped with annular Groove, the sealing ring is installed in the groove, and the connector cover is fastened on the boss.

The utility model has the following beneficial effects:

1, solar junction box provided by the utility model is novel in design, can connect multiple loads, and good heat dissipation effect, sealing are anti- The utilization rate of water, easy access maintenance circuitry plate and tray interior space is high.

2, solar junction box provided by the utility model, connector cover are fastened and connected with junction box body, junction box body with Connector cover joint is equipped with sealing ring, and the good airproof performance of terminal box again can be easily when needing to overhaul with mounting circuit boards The connector cover is taken off.

3, circuit board all in solar junction box provided by the utility model is to be detachably connected, can be according to reality It needs to replace at any time.

4, it is equipped with radiator on circuit board all in solar junction box provided by the utility model, reduces circuit The operating temperature of diode on plate, extends the service life of diode.

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 intracorporal structural schematic diagram of terminal box of solar junction box provided by the embodiment of the utility model.

In figure: 1, junction box body；2, first partition；3, second partition；4, first circuit board；5, second circuit board；6 electric wires Inlet and outlet；7, radiator；8, buckling groove；9, sealing ring.

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.

Such as Fig. 1, the utility model embodiment provides a kind of solar junction box, including junction box body 1 and connector cover, institute It states and is divided inside junction box body 1 by first partition 2 for first interval and second interval, positioned at the junction box body 1 of the first interval Bottom plate is equipped with first circuit board 4, is equipped with second partition 3 in the second interval, the both ends of the second partition 3 respectively with institute It states 1 inner wall of junction box body and the first partition 2 is detachably connected, the second interval is divided into third by the second partition 3 Chamber and the 4th chamber, a side surface of the second partition towards third chamber are installed on second circuit board 5, described second every One side surface of plate towards the 4th chamber is installed on tertiary circuit plate (not shown), Yu Suoshu junction box body 1 corresponding described first Live wire inlet and outlet 6 are opened up on the side wall of circuit board 4, second circuit board 5 and tertiary circuit plate.Wiring in the present embodiment 1 shell of box body has strong anti-aging, ultraviolet-resistant capacity, meets the requirement under outdoor severe environmental conditions, described Junction box body 1 and the connector cover joint are equipped with sealing ring 9, and the junction box body 1 is fastened and connected with the connector cover, So that entire solar junction box good airproof performance, waterproofness is strong, guarantees that the electric elements in junction box body 1 will not make moist.It is described 1 shell of junction box body prevents from getting an electric shock using insulating materials, has better security performance.Junction box body 1 provided in this embodiment Inside can be equipped with three pieces of different circuit boards, and to meet the needs of different loads, tray interior space makes full use of and do not show miscellaneous Disorderly, wherein first interval does not set partition, can be used to place the biggish circuit board of volume.3 intercalation of second partition is in the secondth area In, specifically, intercalation is distinguished on 1 inner wall of junction box body and the first partition 2 in the both ends of the second partition 3, The second partition 3 can be disassembled out of described junction box body 1, then install the second circuit on the second partition 3 Plate 5 and tertiary circuit plate, facilitate staff to operate, but also the second circuit board 5 and third are safeguarded in easy access Circuit board.The first circuit board 4 is to be detachably connected with 1 bottom plate of the junction box body in first interval.First electricity Road plate 4, second circuit board 5 and tertiary circuit plate are to be detachably connected, i.e., the described junction box body 1 can be needed replacing according to load Different circuit boards realizes different functions.The electricity exported on the first circuit board, second circuit board and tertiary circuit plate Line passes through the inlet and outlet of the electric wire on 1 side wall of junction box body 6 and is connected with outside line.

Preferably, the equal intercalation in the both ends of the first partition is on the junction box body inner wall, it can be according to staff It needs to take out out of box body.

Preferably, the first circuit board 4, second circuit board 5 and tertiary circuit plate are equipped with for dissipating to diode The radiator 7 of heat, because diode can often generate heat in use, excessively high temperature can be such that diode accelerates old in box Change, or even make diode failure or break down, using the service life of diode can be extended after radiator, namely extends too The service life of positive energy terminal box, in the present embodiment, radiator 7 can be that diode Special heat dissipating piece is also that diode is dedicated Other radiators.

Preferably, the connector cover is fastened and connected with the junction box body 1, the junction box body 1 and the wiring Box cover joint is equipped with sealing ring 9, and the sealing ring 9 is installed on the junction box body 1, ensure that the sun by this design The leakproofness of energy terminal box, can easily take off the connector cover again when needing and overhauling with mounting circuit boards.

Preferably, the junction box body on the boss of annular is equipped with along inside, the top of the boss is equipped with annular Groove, the sealing ring is installed in the groove, and the connector cover is fastened on the boss, the junction box body and The blind boxes that connector cover is formed by this sealing means have an extraordinary waterproofness, the electronics in effective protection box Element.

Preferably, the first circuit board 4 is to be detachably connected with 1 bottom plate of junction box body, the second circuit Plate 5, tertiary circuit plate are detachably connected with the second partition 3, the first circuit board 4, second circuit board 5 and third electricity Road plate can need to replace at any time according to load.

Solar junction box provided by the utility model is novel in design, can connect multiple loads, good heat dissipation effect, and sealing is prevented Water, solar components circuit board is safeguarded in easy access, and the utilization rate of tray interior space is high, and good practical effect has and promotes Value.

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 (7)

1. a kind of solar junction box, which is characterized in that including junction box body and connector cover, by inside the junction box body One partition is divided into first interval and second interval, and first circuit board is equipped in the first interval, is equipped in the second interval Second partition, the both ends of the second partition are detachably connected with the junction box body inner wall and the first partition respectively, institute It states second partition and the second interval is divided into third chamber and the 4th chamber, the second partition is towards the side of third chamber Surface is installed on second circuit board, and a side surface of the second partition towards the 4th chamber is installed on tertiary circuit plate, in institute State junction box body correspond to opened up on the side wall of the first circuit board, second circuit board and tertiary circuit plate live wire disengaging Mouthful.

2. solar junction box as described in claim 1, it is characterised in that: the both ends difference intercalation of the second partition is in institute It states in junction box body inner wall and the first partition.

3. solar junction box as described in claim 1, it is characterised in that: the equal intercalation in the both ends of the first partition is described On junction box body inner wall.

4. solar junction box as described in claim 1, it is characterised in that: the first circuit board, second circuit board and Three-circuit plate is equipped with for the radiator to diode radiating.

5. solar junction box as described in claim 1, it is characterised in that: the connector cover and the junction box body fasten Connection.

6. solar junction box as claimed in claim 5, it is characterised in that: the junction box body connects with the connector cover Place is equipped with sealing ring, and the sealing ring is installed on the junction box body.

7. solar junction box as claimed in claim 6, it is characterised in that: be equipped with annular along inside on the junction box body Boss, the top of the boss is equipped with annular groove, and the sealing ring is installed in the groove, and the terminal box cover buckle Together on the boss.