CN214429514U - Waterproof heat-resistant photovoltaic junction box - Google Patents

Abstract

The utility model relates to a terminal box technical field just discloses a waterproof heat-resistant type photovoltaic terminal box, the terminal box comprises a terminal box body, the inside fixedly connected with protection box of terminal box, the inside fixedly connected with backup pad of protection box, the lateral wall fixedly connected with connecting piece of backup pad, the lower terminal surface fixedly connected with optic fibre of connecting piece, the inner wall of protection box encircles and is provided with the heat pipe, the both ends of heat pipe run through the outside that protection box just extended to the terminal box, the lower terminal surface fixedly connected with heat insulating tube of protection box, heat insulating tube cup joints in the outside of optic fibre, a plurality of first ventilation holes have been seted up to the up end of terminal box, the inner wall in first ventilation hole is provided with water conservancy diversion mechanism. The utility model discloses quick drainage structures has to reach water-proof effects, and can in time dispel the heat and improve the heat resistance.

Description

Waterproof heat-resistant photovoltaic junction box

Technical Field

The utility model relates to a terminal box technical field especially relates to a waterproof heat-resistant type photovoltaic terminal box.

Background

The junction box is a connecting device between a solar cell array formed by the solar cell modules and the solar charging control device, and is mainly used for connecting and protecting the solar photovoltaic modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules. A certain waterproof capacity is required due to exposure outdoors.

In the prior art, when the junction box is produced and used, the long-term waterproof condition cannot be met, accumulated water remains in the junction box due to long-term use, the short circuit fire danger is caused, and a certain potential safety hazard is caused by that partial heat cannot be timely discharged at the junction. Therefore, the utility model discloses a waterproof heat-resistant type photovoltaic terminal box.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that can't reach waterproof effect for a long time and can not guarantee timely discharge of inside heat among the prior art, and a waterproof heat-resistant type photovoltaic terminal box that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a waterproof heat-resistant type photovoltaic terminal box, includes the terminal box, the inside fixedly connected with protection box of terminal box, the inside fixedly connected with backup pad of protection box, the lateral wall fixedly connected with connecting piece of backup pad, the lower terminal surface fixedly connected with optic fibre of connecting piece, the inner wall of protection box encircles and is provided with the heat pipe, the both ends of heat pipe run through the protection box and extend to the outside of terminal box, the lower terminal surface fixedly connected with heat insulating pipe of protection box, heat insulating pipe cup joints in the outside of optic fibre, a plurality of first ventilation holes have been seted up to the up end of terminal box, the inner wall in first ventilation hole is provided with water conservancy diversion mechanism.

Preferably, the water conservancy diversion mechanism includes axle bed, rubber slab and wash port, axle bed fixed connection is in the inner wall in first ventilation hole, the one end swivelling joint of rubber slab is in the inside of axle bed, the lateral wall of rubber slab sets up with the inner wall laminating in first ventilation hole, the wash port is seted up and is located the inner wall of rubber slab below in first ventilation hole.

Preferably, a sealing ring is fixedly arranged at the joint of the protection box and the optical fiber, the sealing ring is arranged inside the heat insulation pipe, and an abrasion-proof pipe is fixedly arranged at the joint of the optical fiber and the junction box.

Preferably, the left side wall and the right side wall of the junction box are respectively provided with a second ventilation hole, and a guide plate is fixedly connected above the second ventilation hole of the junction box.

Preferably, the left end side wall and the right end side wall of the junction box are respectively and fixedly connected with a connecting plate, and the connecting plates are arranged below the guide plate.

Preferably, the inner wall of the lower end of the junction box is an arc surface, and the inner walls of the junction box at the two ends of the arc surface are respectively provided with a drainage groove.

Compared with the prior art, the utility model provides a waterproof heat-resistant type photovoltaic terminal box possesses following beneficial effect:

1. this waterproof heat-resistant type photovoltaic terminal box can play the guard action to inside connecting piece through the protection box, can fix the connecting piece through the backup pad, and the heat pipe can in time be discharged the heat of internal connection department, prevents because the heat that the junction produced influences the use of connecting piece.

2. This waterproof heat-resistant type photovoltaic terminal box can play the guard action to optic fibre through thermal-insulated pipe, can prevent simultaneously to have rivers to the inside of protecting the box through the sealing washer, can fix optic fibre through the abrasionproof pipe and prevent that optic fibre from going out at the interface of terminal box and having wearing and tearing.

3. This waterproof heat-resistant type photovoltaic terminal box can make the inside air of terminal box more circulate through the second ventilation hole of the terminal box left and right sides for the heat accumulation prevents the heat dissipation, can prevent through the drainage groove that 1 inside infiltration of terminal box has the unable discharge of ponding.

The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses quick drainage structures has to reach water-proof effects, and can in time dispel the heat and improve the heat resistance.

Drawings

Fig. 1 is a schematic structural view of a waterproof heat-resistant photovoltaic junction box provided by the present invention;

fig. 2 is an enlarged view of a portion a of fig. 1.

In the figure: the device comprises a junction box 1, a protective box 2, a supporting plate 3, a connecting piece 4, an optical fiber 5, a heat conducting pipe 6, a sealing ring 7, a heat insulating pipe 8, an abrasion-proof pipe 9, a shaft seat 10, a rubber plate 11, a water discharging hole 12, a guide plate 13, a connecting plate 14 and a drainage groove 15.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, a waterproof heat-resistant photovoltaic junction box comprises a junction box 1, a protective box 2 is fixedly connected inside the junction box 1, a supporting plate 3 is fixedly connected inside the protective box 2, a connecting piece 4 is fixedly connected to the side wall of the supporting plate 3, an optical fiber 5 is fixedly connected to the lower end face of the connecting piece, a heat conduction pipe 6 is arranged around the inner wall of the protective box 2, two ends of the heat conduction pipe 6 penetrate through the protective box 2 and extend to the outer side of the junction box 1, a heat insulation pipe 8 is fixedly connected to the lower end face of the protective box 2, the heat insulation pipe 8 is sleeved outside the optical fiber 5, a plurality of first ventilation holes are formed in the upper end face of the junction box 1, a flow guide mechanism is arranged on the inner wall of each first ventilation hole and comprises a shaft seat 10, a rubber plate 11 and a drainage hole 12, the shaft seat 10 is fixedly connected to the inner wall of each first ventilation hole, one end of the rubber plate 11 is rotatably connected to the inside the shaft seat 10, the lateral wall of rubber slab 11 sets up with the inner wall laminating in first ventilation hole, wash port 12 is seted up at the inner wall that first ventilation hole is located rubber slab 11 below, the fixed sealing washer 7 that is provided with in protection box 2 and the junction of optic fibre 5, sealing washer 7 sets up the inside at thermal-insulated pipe 8, the fixed abrasionproof pipe 9 that is provided with in the junction of optic fibre 5 and terminal box 1, the left side of terminal box 1, the second ventilation hole has been seted up respectively to the right side both sides wall, terminal box 1 is located the top fixedly connected with guide plate 13 in second ventilation hole, the left side of terminal box 1, right both ends lateral wall is fixedly connected with connecting plate 14 respectively, connecting plate 14 sets up the below at guide plate 13, the lower extreme inner wall of terminal box 1 sets up to the cambered surface, drainage groove 15 has been seted up respectively to the inner wall that terminal box 1 is located the both ends of cambered surface.

In the utility model, when in use, the junction box 1 can be fixed through the connecting plate 14, the connecting piece 4 in the inner part can be protected through the protection box 2, the connecting piece can be fixed through the supporting plate 3, the heat pipe 6 can discharge the heat of the inner junction in time, the use of the connecting piece is prevented from being influenced by the heat generated by the junction, the optical fiber 5 can be protected through the heat insulation pipe 8, meanwhile, the sealing ring 7 can prevent the water from flowing into the protection box 2, the optical fiber 5 can be fixed through the wear-resistant pipe 9 to prevent the optical fiber from being worn at the interface of the junction box 1, the rubber plate 11 on the inner wall of the first exhaust hole can prevent the rainwater from flowing into the inner part of the junction box 1 through the first exhaust hole, the rainwater is piled above the rubber plate 11, the rubber plate 11 rotates downwards according to the position of the shaft seat 10, because the two rubber plates 11 are closely contacted and are attached to the side wall of the first exhaust hole, so can prevent that the rainwater from leaking down, can discharge after wash port 12 when accumulational rainwater, the second venthole of the 1 left and right sides of terminal box can make 1 inside air of terminal box more circulate, prevents the heat and piles up, accelerates the heat dissipation, can prevent through drainage groove 15 that 1 inside seeps into of terminal box has the unable discharge of ponding.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides a waterproof heat-resistant type photovoltaic terminal box, includes terminal box (1), its characterized in that: the utility model discloses a terminal box, including terminal box (1), the inside fixedly connected with of terminal box (1) protects box (2), the inside fixedly connected with backup pad (3) of protection box (2), the lateral wall fixedly connected with connecting piece (4) of backup pad (3), the lower terminal surface fixedly connected with optic fibre (5) of connecting piece, the inner wall of protection box (2) is around being provided with heat pipe (6), the both ends of heat pipe (6) run through the outside that protects box (2) and extend to terminal box (1), the lower terminal surface fixedly connected with heat insulating tube (8) of protection box (2), heat insulating tube (8) cup joint in the outside of optic fibre (5), a plurality of first ventilation holes have been seted up to the up end of terminal box (1), the inner wall in first ventilation hole is provided with water conservancy diversion mechanism.

2. The waterproof heat-resistant photovoltaic junction box of claim 1, wherein: the water conservancy diversion mechanism includes axle bed (10), rubber slab (11) and wash port (12), axle bed (10) fixed connection is at the inner wall in first ventilation hole, the one end of rubber slab (11) is rotated and is connected the inside in axle bed (10), the lateral wall of rubber slab (11) sets up with the inner wall laminating in first ventilation hole, wash port (12) are seted up and are located the inner wall of rubber slab (11) below in first ventilation hole.

3. The waterproof heat-resistant photovoltaic junction box of claim 1, wherein: a sealing ring (7) is fixedly arranged at the joint of the protection box (2) and the optical fiber (5), the sealing ring (7) is arranged inside the heat insulation pipe (8), and an abrasion-proof pipe (9) is fixedly arranged at the joint of the optical fiber (5) and the junction box (1).

4. The waterproof heat-resistant photovoltaic junction box of claim 1, wherein: second ventilation holes are formed in the left side wall and the right side wall of the junction box (1) respectively, and a guide plate (13) is fixedly connected to the position, above the second ventilation holes, of the junction box (1).

5. The waterproof heat-resistant photovoltaic junction box of claim 1, wherein: the left end side wall and the right end side wall of the junction box (1) are respectively and fixedly connected with a connecting plate (14), and the connecting plates (14) are arranged below the guide plate (13).

6. The waterproof heat-resistant photovoltaic junction box of claim 1, wherein: the inner wall of the lower end of the junction box (1) is an arc surface, and the inner walls of the junction box (1) at the two ends of the arc surface are respectively provided with a drainage groove (15).

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