CN102110726A - Sealed type photovoltaic junction box with rapid heat dissipation - Google Patents

Abstract

The invention relates to a sealed type photovoltaic junction box with rapid heat dissipation, which comprises a box body, a box cover and a metal terminal that is sealed inside the box body and the box cover and is provided with a diode. The box body and the box cover are sealed with silicone, a sealant filling region is arranged at the upper part of the box cover and is sealed through a sealant filling upper cover which is provided with a sealant filling hole at the middle part thereof, an adhesive groove is arranged on the periphery of the box cover, the box body adopts hollowed design, a vent hole is arranged in the middle of the box body, adhesive bulges matched with the adhesive groove are arranged on the periphery of the box body, an upper wire clamping semicircular slot and a lower wire clamping semicircular slot that are matched with each other in the vertical direction are arranged on each side surface of the box body and the box cover, the metal terminal adopts large-area thin-sheet design, and cables are connected with the two ends of the metal terminal and are placed inside the wire clamping semicircular slots. The sealed type photovoltaic junction box provided by the invention adopts silicone sealing, thereby resulting in better sealing performance, improved waterproof and dustproof capacity, good heat dissipation performance, and the like.

Description

A kind of sealed type quick heat radiating photovoltaic junction box

Technical field:

The present invention relates to a kind of terminal box, especially relate to a kind of sealed type quick heat radiating photovoltaic junction box.

Background technology:

Traditional terminal box and assembly battery sheet connected mode adopts silica gel bonding mostly at present, and the box body back side and battery sheet are fitted, and this heat heat that produces when causing terminal box work is delivered on the battery sheet, and this can influence the useful life of assembly; And the conventional electrical connectors sealing means adopts silica gel circle sealing mostly, uses the silica gel circle aging probably and do not have a waterproof action for a long time.

Summary of the invention:

The objective of the invention is to be to provide a kind of favorable sealing property, quick heat radiating can make photovoltaic module at Acceptable life in period, as far as possible the photovoltaic junction box of efficiency operation.

The technical solution adopted for the present invention to solve the technical problems is: a kind of sealed type quick heat radiating photovoltaic junction box, be provided with box body, lid and be sealed in box body and lid in the metal terminal that has diode, adopt silica gel sealing between described box body and the lid, described lid top is provided with an encapsulating zone, described encapsulating zone is provided with the encapsulating loam cake sealing of glue filling opening by a middle part, offer the viscose glue groove around the described lid, described box body adopts the design of hollow out formula, the middle part of described box body is provided with air-vent, be provided with viscose glue projection around the described box body with the viscose glue groove fit, described box body and lid two sides offer the card line half slot that cooperates up and down respectively, described metal terminal adopts the design of large tracts of land thin slice, described metal terminal two ends are connected with cable, and described cable is placed in the card line half slot.

For convenient fixing when box body and the lid encapsulating, further: described box body and lid edge are provided with trip and the buckle that matches up and down.

In order to strengthen compressive resistance and flexing resistance, further: the described box body and the lid back side are provided with reinforcement.

In order to increase the sealing between encapsulating zone and the encapsulating loam cake, further: the edge in described encapsulating zone is provided with embedded buckle, covers on the described encapsulating to be provided with and this embedded embedded trip that is clasped and uses.

Connect for convenience, further: be connected by riveting the termination between described metal terminal and the cable.

In order to prevent off-line, play tension and drag effect, further: described cable headend is enclosed with heat-shrinkable T bush.

Advantage of the present invention is: 1, adopt silica gel sealing, sealing property is better, improves the water proof and dust proof ability.2, the design of hollow out formula is adopted in the box body bottom, and the inner heat that produces can come the butted line back side to dispel the heat by circulation of air during terminal box work.3, metal terminal adopts the design of large tracts of land thin slice, more helps heat radiation, is connected with three diodes between the metal terminal, adopts welding manner, and is solid and reliable.4, lid is provided with adhesive glassine tank and encapsulating loam cake, and is provided with trip and buckle, plays waterproof action, and the trip buckle makes structure more solid and reliable, is covered with glue filling opening, more convenient operation on the encapsulating.5, all offer on box body and the lid two sides and be used to run through the connection cable half slot of placing cable, this terminal box adopts horizontal outlet, has effectively prevented that the lower end from drawing lead and overbending that produce.6, cable socket is enclosed with heat-shrinkable T bush, and cable carries out riveted type with metal terminal and is connected, and plays tension and drags effect.

Description of drawings:

Fig. 1 is an explosive view of the present invention.

Fig. 2 is a box body front plan view of the present invention.

Fig. 3 is the rearview of Fig. 2.

Fig. 4 is a lid front plan view of the present invention.

Fig. 5 is the rearview of Fig. 4.

Fig. 6 is metal terminal and diode and whole cable structure chart.

Fig. 7 is the rearview of Fig. 6.

Among the figure: 1, box body; 1-2, trip; 1-3, card line half slot; The 1-4 buckle; The 1-5 air-vent; 1-6, viscose glue projection; 1-7, reinforcement; 2, lid; 2-1, encapsulating loam cake, 2-1-1, glue filling opening, 2-1-2, embedded trip; 2-2, encapsulating zone; 2-2-1, embedded buckle; 2-3, viscose glue groove; 3, metal terminal; 3-1, riveted joint termination; 4, cable; 4-1, heat-shrinkable T bush; 5, diode.

Embodiment:

The present invention is further described below in conjunction with drawings and Examples.

As accompanyingdrawing 1～7 one kind of sealed type quick heat radiating photovoltaic junction box, be provided withbox body 1,lid 2 and the metal terminal that has diode 53 that is sealed inbox body 1 and thelid 2, in order to make the terminal box sealing property better, improve the water proof and dust proof ability, adopt silica gel sealing between describedbox body 1 and thelid 2, describedlid 2 tops are provided with encapsulating zone 2-2, described encapsulating zone 2-2 is provided with the encapsulating loam cake 2-1 sealing of glue filling opening 2-1-1 by a middle part, edge at described encapsulating zone 2-2 is provided with embedded buckle 2-2-1, described encapsulating loam cake 2-1 is provided with the embedded trip 2-1-2 that is used with this embedded buckle 2-2-1, offers viscose glue groove 2-3 around the described lid 2.Describedbox body 1 adopts the design of hollow out formula; the middle part of describedbox body 1 is provided with air-vent 1-5; the inner heat that produces can come the butted line back side to dispel the heat by circulation of air during terminal box work; thereby protected cell panel; assembly better high efficiency work in useful life is guaranteed in effectively heat radiation between cell panel and the terminal box.Be provided with the viscose glue projection 1-6 that cooperates with viscose glue groove 2-3 around the describedbox body 1, describedbox body 1 andlid 2 two sides offer the card line half slot 1-3 that cooperates up and down respectively, this terminal box adopts horizontal outlet, thereby effectively prevented that the lower end from drawing lead and overbending that produce, describedbox body 1 andlid 2 edges are provided with trip 1-2 and the buckle 1-4 that matches up and down, and, be provided with reinforcement 1-7 at thebox body 1 andlid 2 back sides in order to strengthen compressive resistance and flexing resistance.Describedmetal terminal 3 adopts the design of large tracts of land thin slice, thereby more helps heat radiation.Describedmetal terminal 3 two ends are connected withcable 4, describedcable 4 is placed in the card line half slot 1-3, and conveniently use and prevent off-line in order to make, and being connected by riveted joint termination 3-1 between describedmetal terminal 3 and thecable 4, describedcable 4 head ends are enclosed with heat-shrinkable T bush 4-1.

The present invention can adopt following steps when concrete assembling:

1, diode (5) is welded to (3) on the metal terminal;

2, the cable (4) that will have heat-shrinkable T bush (4-1) is riveted with metal terminal termination (3-1) and is connected;

3, the encapsulating groove (2-3) of fluid sealant along lid (2) evenly poured into, will rivet the metal terminal (3) of cable (4) then and put into the lid (2) of having irritated silica gel;

4, box body (1) is snapped in lid (2), the trip of box cover (1-2) buckle (1-4) cooperatively interacts;

5, after the user finishes the tape welding that confluxes and connects, encapsulating loam cake (2-1) is snapped in the band encapsulating zone (2-2) of confluxing, again casting glue is poured into along glue filling opening (2-1-1).

It is emphasized that: above only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, every foundation technical spirit of the present invention all still belongs in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did.

Claims (6)

1. sealed type quick heat radiating photovoltaic junction box, be provided with box body (1), lid (2) and be sealed in box body (1) and lid (2) in the metal terminal that has diode (5) (3), it is characterized in that: adopt silica gel sealing between described box body (1) and the lid (2), described lid (2) top is provided with an encapsulating zone (2-2), described encapsulating zone (2-2) is provided with encapsulating loam cake (2-1) sealing of glue filling opening (2-1-1) by a middle part, offer viscose glue groove (2-3) around the described lid (2), described box body (1) adopts the design of hollow out formula, the middle part of described box body (1) is provided with air-vent (1-5), described box body (1) is provided with the viscose glue projection (1-6) that cooperates with viscose glue groove (2-3) all around, described box body (1) and lid (2) two sides offer the card line half slot (1-3) that cooperates up and down respectively, described metal terminal (3) adopts the design of large tracts of land thin slice, described metal terminal (3) two ends are connected with cable (4), and described cable (4) is placed in the card line half slot (1-3).

2. sealed type quick heat radiating photovoltaic junction box according to claim 1 is characterized in that: described box body (1) and lid (2) edge are provided with the trip (1-2) and buckle (1-4) that matches up and down.

3. sealed type quick heat radiating photovoltaic junction box according to claim 1 is characterized in that: the described box body (1) and lid (2) back side are provided with reinforcement (1-7).

4. sealed type quick heat radiating photovoltaic junction box according to claim 1, it is characterized in that: the edge in described encapsulating zone (2-2) is provided with embedded buckle (2-2-1), and described encapsulating loam cake (2-1) is provided with the embedded trip (2-1-2) that is used with this embedded buckle (2-2-1).

5. sealed type quick heat radiating photovoltaic junction box according to claim 1 is characterized in that: be connected by riveted joint termination (3-1) between described metal terminal (3) and the cable (4).

6. sealed type quick heat radiating photovoltaic junction box according to claim 1 is characterized in that: described cable (4) head end is enclosed with heat-shrinkable T bush (4-1).

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