CN217607774U

CN217607774U - Sealed waterproof photovoltaic terminal box

Info

Publication number: CN217607774U
Application number: CN202221803135.8U
Authority: CN
Inventors: 李明秋; 俞春华; 谈佳宁; 白恒
Original assignee: Changzhou Jiutian New Energy Technology Co ltd
Current assignee: Changzhou Jiutian New Energy Technology Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-10-18
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a sealed waterproof photovoltaic terminal box, including box body and lid, the supporting leg is installed to box body lower extreme both sides, and the inside both sides of box body install the mounting panel, both sides simultaneously be provided with the base between the mounting panel, install the support in the middle of the box body is inside, and installs the fixture block in the middle of the support upper end, the junction box is installed to the box body both sides, and box body upper end four corners threaded connection has the connecting piece, the lid is installed in the box body upper end, and installs spacing frame in the lid inboard, is provided with sealed the pad between the spacing frame outside and the box body is inside simultaneously, and the through-hole has been seted up in lid upper end four corners, and the position of through-hole is corresponding with the position of connecting piece simultaneously. This waterproof sealing's photovoltaic terminal box uses through the collocation of louvre, ventilation otter board and waterproof ventilated membrane for inside also preventing steam from passing through the louvre and getting into inside the box body when the box body is inside to be dispelled the heat, avoids causing the damage to photovoltaic module, improves the waterproof sealing effect of device.

Description

Sealed waterproof photovoltaic terminal box

Technical Field

The utility model relates to a photovoltaic terminal box correlation technique field specifically is a sealed waterproof photovoltaic terminal box.

Background

The connecting device of the photovoltaic junction box between the solar cell array formed by the solar cell modules and the solar charging control device is mainly used for connecting and protecting the solar cell modules, connecting the electric power generated by the solar cells with an external circuit and conducting the current generated by the photovoltaic modules.

When using, the existing photovoltaic junction box needs to keep the performance stability of the photovoltaic module in a severe environment, the box body is not waterproof, water vapor can enter the box body to damage the photovoltaic module, meanwhile, some photovoltaic junction boxes are sealed in an encapsulating mode, when the photovoltaic module in the junction box needs to be maintained and checked, the photovoltaic module is inconvenient to disassemble and easy to damage, the service life of the photovoltaic module is shortened, and the existing equipment needs to be improved according to the problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealed waterproof photovoltaic terminal box, current photovoltaic terminal box with propose in solving above-mentioned background art when using, need keep the stability of photovoltaic module performance in adverse circumstances, this box body itself is waterproof, steam can get into the box body and can damage photovoltaic module, some photovoltaic terminal boxes adopt the encapsulating formula sealed simultaneously, when needs maintain the inspection to the inside photovoltaic module of terminal box, dismantle inconvenient and cause the damage to photovoltaic module easily, reduce the problem of the life-span that photovoltaic module used.

In order to achieve the above object, the utility model provides a following technical scheme: a sealed and waterproof photovoltaic junction box comprises a box body and a box cover,

the support legs are mounted on two sides of the lower end of the box body, the mounting plates are mounted on two sides of the interior of the box body, the base is arranged between the mounting plates on two sides, the support is mounted in the middle of the interior of the box body, the clamping block is mounted in the middle of the upper end of the support, the junction pipes are mounted on two sides of the box body, the four corners of the upper end of the box body are in threaded connection with the connecting pieces, and the indicator light and the on-off key are arranged on the front side of the box body;

the lid is installed in the box body upper end, and the lid inboard installs spacing frame, is provided with sealed the pad between the spacing frame outside and the box body inside simultaneously, lid upper end symmetry has been seted up the lid and has been taken the recess, and lid upper end four corners has seted up the through-hole, and the position of through-hole is corresponding with the position of connecting piece simultaneously.

Preferably, the bottom of the lower end of the box body is provided with a plurality of heat dissipation holes, a ventilation screen plate is arranged on the outer side of the lower end of each heat dissipation hole, waterproof breathable films are arranged on two sides of the ventilation screen plate, and the ventilation screen plate and the waterproof breathable films are connected with the box body through mounting screws;

through adopting above-mentioned technical scheme for steam also can't get into the box body when the box body can dispel the heat and inside causing the damage to photovoltaic module.

Preferably, two sides of the base are connected with the mounting plate through fixing screws, a round hole is formed in the middle of the base, and the round hole is connected with the clamping block in a clamping manner;

through adopting above-mentioned technical scheme, be convenient for carry on spacing fixedly to the base.

Preferably, the upper end of the base is provided with a plurality of mounting seats, and the upper ends of two sides of each mounting seat are provided with wiring clamping grooves;

through adopting above-mentioned technical scheme, conveniently install a plurality of photovoltaic module.

Preferably, the connecting piece consists of a threaded rod, a long block and a bump, the lower end of the long block is connected with the box body through the threaded rod, the bump is arranged in the middle of the upper end of the long block, and meanwhile, the long block penetrates through the through hole and is connected with the box cover;

by adopting the technical scheme, the box cover and the box body form a complete junction box body through the rotating connecting piece.

Preferably, the indicator light and the on-off key are electrically connected with a photovoltaic module arranged in the mounting seat;

through adopting above-mentioned technical scheme, be convenient for know photovoltaic module's operating condition.

Compared with the prior art, the beneficial effects of the utility model are that: the sealed and waterproof photovoltaic junction box is characterized in that,

(1) Through the matched use of the heat dissipation holes, the ventilation screen plate and the waterproof breathable film, the inside of the box body is enabled to dissipate heat, and meanwhile, water vapor is prevented from entering the inside of the box body through the heat dissipation holes, so that the photovoltaic module is prevented from being damaged, and the sealing and waterproof effects of the device are improved;

(2) The photovoltaic module is convenient to mount, limit and fix through the matching use of the base, the mounting seat, the wiring clamping groove and the wiring tube, and meanwhile, the wiring tube is connected with an external connecting wire, so that the photovoltaic module is convenient to operate when in use;

(3) Be provided with spacing frame, sealed the pad, through-hole and connecting piece, through spacing frame and sealed pad, make lid and the mutual block of box body, make it form a whole, run through the through-hole through the connecting piece, then at the rotation connecting piece, make connecting piece both ends bottom and lid laminating, be convenient for improve the compactness of being connected between lid and the box body, when needs maintain the photovoltaic module of box body inside, the convenience is dismantled it, can not lead to the fact the influence to other photovoltaic module, improve photovoltaic module life.

Drawings

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front view structure of the present invention;

FIG. 3 is a schematic top view of the box body of the present invention;

fig. 4 is a schematic view of the top view structure of the present invention.

In the figure: 1. the box body, 2, the supporting leg, 3, the mounting panel, 4, the base, 5, set screw, 6, the support, 7, the fixture block, 8, the louvre, 9, the ventilation otter board, 10, waterproof ventilated membrane, 11, the mounting screw, 12, the mount pad, 13, wiring block groove, 14, the wiring pipe, 15, the lid, 16, spacing frame, 17, sealed the pad, 18, the lid recess of taking, 19, the through-hole, 20, the connecting piece, 21, the pilot lamp, 22, the on-off switch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a sealed and waterproof photovoltaic junction box is disclosed, as shown in figure 1, figure 2 and figure 3, supporting legs 2 are arranged on two sides of the lower end of a box body 1, mounting plates 3 are arranged on two sides inside the box body 1, a base 4 is arranged between the mounting plates 3 on two sides, a plurality of mounting seats 12 are arranged on the upper end of the base 4, limiting installation of a photovoltaic assembly is facilitated through the mounting seats 12, wiring clamping grooves 13 are formed in the upper ends of two sides of each mounting seat 12, limiting of connecting wires connected with two ends of the photovoltaic assembly is facilitated through the wiring clamping grooves 13, confusion of the connecting wires is avoided, later maintenance is inconvenient, two sides of the base 4 are connected with the mounting plates 3 through fixing screws 5, a round hole is formed in the middle of the base 4, the round hole is clamped and connected with a clamping block 7, stability of the base 4 in the box body 1 is effectively improved, a support 6 is arranged in the middle inside the box body 1, and the lower end in the middle of the base 4 is conveniently supported through the support 6, the middle of the upper end of the bracket 6 is provided with a clamping block 7, two sides of the box body 1 are provided with wiring pipes 14, four corners of the upper end of the box body 1 are in threaded connection with connecting pieces 20, each connecting piece 20 consists of a threaded rod, a long block and a convex block, the lower end of the long block is connected with the box body 1 through the threaded rod, the convex block is arranged in the middle of the upper end of the long block, meanwhile, the long block penetrates through a through hole 19 to be connected with the box cover 15, the long block is positioned above the box cover 15 through the long block penetrating through hole 19, then, the long block is rotated through the convex block, the threaded rod rotates in the box body 1, the lower end of the long block is attached to the upper end of the box cover 15 and forms a cross shape with the through hole 19, so that the box cover 15 is fixed on the box body 1, meanwhile, the front side of the box body 1 is provided with an indicating lamp 21 and an on-off switch 22, the indicating lamp 21 and the on-off switch 22 are electrically connected with a photovoltaic component arranged in the mounting seat 12, can know photovoltaic module's operating condition through pilot lamp 21, through on & off switch 22, be convenient for switch the terminal box to the person of facilitating the use adjusts terminal box operating condition, also conveniently knows photovoltaic module behavior simultaneously.

Further explanation, a plurality of louvre 8 has been seted up to box body 1 lower extreme bottom, through louvre 8, be convenient for dispel the heat to box body 1 inside, and the louvre 8 lower extreme outside is provided with ventilation otter board 9, through ventilation otter board 9, be convenient for block the dust, prevent that the dust from getting into and causing the influence to the photovoltaic module in the box body 1, waterproof ventilated membrane 10 is installed to ventilation otter board 9 both sides simultaneously, through waterproof ventilated membrane 10, when making to dispel the heat, steam can't carry out the box body 1 inside, make it have water-proof effects, ventilation otter board 9 and waterproof ventilated membrane 10 are connected with box body 1 through mounting screw 11, conveniently dismantle, the waterproof ventilated membrane 10 of renewal.

According to fig. 1, fig. 2 and fig. 4, lid 15 is installed in 1 upper end of box body, and lid 15 inboard installs spacing frame 16, through spacing frame 16, be convenient for carry out the block with lid 15 and box body 1, be provided with sealed pad 17 between the spacing frame 16 outside and the box body 1 inside simultaneously, through sealed pad 17, be convenient for improve the compactness between lid 15 and the box body 1, lid 15 upper end symmetry has seted up the lid and has taken recess 18, take recess 18 through the lid, be convenient for take lid 15, and lid 15 upper end four corners has seted up through-hole 19, the position of through-hole 19 corresponds with the position of connecting piece 20 simultaneously, make things convenient for connecting piece 20 to pass through-hole 19 and fix lid 15 on box body 1.

When the photovoltaic junction box is used, the photovoltaic module is installed in the installation base 12, then the photovoltaic module is connected with an external connecting line through the wiring tube 14, the sealing gasket 17 is sleeved outside the limiting frame 16 at the lower end of the box cover 15, then the limiting frame 16 and the sealing gasket 17 are attached to the upper end inside the box body 1, the box cover 15 is installed and limited, meanwhile, the connecting piece 20 penetrates through the through hole 19 which is correspondingly arranged, then the connecting piece 20 is rotated, the bottoms of the two ends of the connecting piece 20 are attached to the upper end of the box cover 15, the box cover 15 is fixed on the box body 1 after the connecting piece and the through hole 19 are crossed, the tightness of connection between the box cover and the box body is improved, and the installation of the whole photovoltaic junction box is completed.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a waterproof seal's photovoltaic terminal box, includes box body (1) and lid (15), its characterized in that:

supporting legs (2) are mounted on two sides of the lower end of the box body (1), mounting plates (3) are mounted on two sides of the interior of the box body (1), a base (4) is arranged between the mounting plates (3) on two sides, a support (6) is mounted in the middle of the interior of the box body (1), a clamping block (7) is mounted in the middle of the upper end of the support (6), junction tubes (14) are mounted on two sides of the box body (1), four corners of the upper end of the box body (1) are in threaded connection with connecting pieces (20), and meanwhile an indicator lamp (21) and an on-off key (22) are arranged on the front face of the box body (1);

lid (15) are installed in box body (1) upper end, and lid (15) inboard installs spacing frame (16), are provided with sealed pad (17) simultaneously between spacing frame (16) outside and box body (1) inside, lid (15) upper end symmetry has been seted up the lid and has been taken recess (18), and lid (15) upper end four corners has seted up through-hole (19), and the position of through-hole (19) is corresponding with the position of connecting piece (20) simultaneously.

2. The sealed, waterproof photovoltaic junction box of claim 1, wherein: a plurality of heat dissipation holes (8) are formed in the bottom of the lower end of the box body (1), a ventilation screen plate (9) is arranged on the outer side of the lower end of each heat dissipation hole (8), a waterproof breathable film (10) is installed on two sides of the ventilation screen plate (9), and the ventilation screen plate (9) and the waterproof breathable film (10) are connected with the box body (1) through mounting screws (11).

3. The sealed, waterproof photovoltaic junction box of claim 1, wherein: the two sides of the base (4) are connected with the mounting plate (3) through fixing screws (5), a round hole is formed in the middle of the base (4), and meanwhile the round hole is connected with the clamping block (7) in a clamping mode.

4. A sealed and waterproof photovoltaic junction box according to claim 3, wherein: the wire connecting and clamping device is characterized in that a plurality of mounting seats (12) are arranged at the upper end of the base (4), and wire connecting and clamping grooves (13) are formed in the upper ends of the two sides of each mounting seat (12).

5. The sealed, waterproof photovoltaic junction box of claim 1, wherein: connecting piece (20) comprise threaded rod, rectangular piece and lug, the rectangular piece lower extreme passes through the threaded rod and is connected with box body (1), and installs the lug in the middle of the rectangular piece upper end, and the rectangular piece runs through-hole (19) simultaneously and is connected with lid (15).

6. The sealed, waterproof photovoltaic junction box of claim 1, wherein: the indicator light (21) and the on-off key (22) are electrically connected with a photovoltaic module arranged in the mounting base (12).