CN218570185U - Photovoltaic power generation direct current collection flow box protector - Google Patents

Abstract

The utility model provides a photovoltaic power generation direct current combiner box protection device, which comprises an installation frame arranged outside a combiner box main body, protection plates fixed on two sides outside the installation frame through telescopic rods, and an umbrella-shaped rain shelter positioned at the top of the combiner box main body; a heat dissipation wind tunnel is arranged on the protection plate, and a heat dissipation fan is arranged at the position of the inner wall of the protection plate corresponding to the heat dissipation wind tunnel; the vertical accommodate the lead screw that sets up in top of installing frame, accommodate the lead screw's outside threaded connection has the driving sleeve, and the activity is articulated between driving sleeve and the rainshelter has the connecting rod. This protector has protecting against shock concurrently, hides the triple functions of rain waterproof and effective dustproof heat dissipation, can all-round protection collection flow box main part to reduce the damage of internals, make photovoltaic power generation system last normal operating.

Description

A photovoltaic power generation DC combiner box protection device

technical field

The utility model belongs to the technical field of photovoltaic power generation, and in particular relates to a protective device for a photovoltaic power generation DC combiner box.

Background technique

Photovoltaic is the abbreviation of solar photovoltaic power generation system. It is a new type of power generation system that uses the photovoltaic effect of solar cell semiconductor materials to directly convert solar radiation energy into electrical energy. Among them, the combiner box is a wiring device to ensure the orderly connection and confluence function of photovoltaic modules in the photovoltaic power generation system. Since the combiner box needs to be placed outdoors for a long time, the existing combiner box is prone to water immersion and damage on the one hand, and on the other hand, if the outside of the combiner box is hit, the components inside the box will become loose or damaged. As a result, the internal wiring cables become loose or even fall off, affecting the normal operation of the photovoltaic power generation system.

Utility model content

The purpose of the utility model is to overcome the shortcomings in the prior art, and provide a protective device for a photovoltaic power generation DC combiner box that is impact-proof, rain-proof and waterproof, and effectively dust-proof and heat-dissipating.

In order to achieve the above object, the technical scheme adopted by the utility model is as follows:

A protective device for a photovoltaic power generation DC combiner box, comprising an installation frame installed outside the main body of the combiner box, protective plates fixed on both sides outside the installation frame by telescopic rods, and an umbrella-shaped rain shelter located on the top of the main body of the combiner box ; The protective plate is provided with a cooling wind tunnel, and an elastic buffer block is provided between the protective plate and the installation frame.

Further, the elastic buffer block includes a plurality of first elastic blocks disposed on both outer sides of the installation frame and a plurality of second elastic blocks disposed on the inner side wall of the protective plate; the first elastic blocks and The second elastic blocks have the same thickness.

Further, a rubber sleeve is fixedly connected to the inner side of the installation frame, and the inner side of the rubber sleeve is attached to the outer wall of the combiner box main body.

Further, a heat dissipation fan is provided at the inner wall of the protective plate corresponding to the heat dissipation wind tunnel.

Further, one side of the heat dissipation fan is provided with a heat conduction plate that is closely attached to the outer wall of the corresponding combiner box body, and an elastic rod is fixedly connected between the heat conduction plate and the heat dissipation fan.

Further, the outer cover of the heat dissipation wind tunnel is provided with a dust-proof net.

Further, an adjustment screw is vertically provided on the top of the installation frame, and a drive sleeve is screwed to the outside of the adjustment screw, and a connecting rod is movably hinged between the drive sleeve and the canopy.

Further, vertical limit rods are provided on both sides of the adjusting screw rod, and the driving sleeve is sleeved on the limit rod and is slidably connected with the limit rod.

Further, the top end of the adjusting screw rod is provided with a handle, and the bottom end is connected to the installation frame.

Further, the rain shelter includes two rain shields that are rotatably connected to each other in a "herringbone" shape, one end of the connecting rod is hinged to the drive sleeve, and the other end is hinged to the inner wall of the rain shield on the corresponding side .

Compared with the prior art, the beneficial effects of the utility model are as follows:

(1) The canopy can protect the top of the main body of the combiner box from rain, and the support angle of the canopy can be changed by adjusting the screw rod, so as to adjust the drainage efficiency in response to different situations and reduce the occurrence of rainwater immersion in the box.

(2) The protective plates are distributed on both sides of the main body of the combiner box. On the one hand, it can protect the main body of the combiner box to reduce impact damage. On the other hand, once the main body of the combiner box is hit, the first elastic block and the second elastic block on the protective plate will The impact force can be converted into a buffer force, thereby effectively reducing the force of the main body of the combiner box being impacted, and improving the anti-collision protection ability of the main body of the combiner box.

(3) The heat conduction plate attached to the outer wall of the main body of the combiner box can quickly export the heat inside the main body of the combiner box, and then accelerate the heat dissipation of the heat conduction plate through the heat dissipation fan; and the dust-proof net outside the heat dissipation fan can prevent a large amount of dust from entering The interior of the heat dissipation fan effectively realizes the functions of rapid heat dissipation and dust prevention.

Description of drawings

Fig. 1 is a schematic cross-sectional structure diagram of the utility model.

Fig. 2 is a side view structural diagram of the utility model.

Fig. 3 is a structural schematic diagram of the rain shelter of the present invention.

Fig. 4 is a schematic cross-sectional structure diagram of the protective plate of the present invention.

In the figure: 1. The main body of the combiner box; 2. The installation frame; 3. The protective plate; 4. The first elastic block; The second elastic block; 10, rubber sleeve; 11, cooling wind tunnel; 12, dustproof net; 13, hand-held handle; 14, limit rod; 15, connecting rod; 16, cooling fan; 17, elastic rod; 18 , Heat conduction plate.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

Refer to attached picture. The protective device for photovoltaic power generation DC combiner box in this embodiment includes an installation frame 2 , a protective plate 3 and a rain shelter 4 . Wherein, the installation frame 2 is installed around the outside of the combiner box main body 1 , and the inside of the installation frame 2 is fixedly connected with a rubber cover 10 , and the inside of the rubber cover 10 is attached to the outside of the combiner box main body 1 . Both opposite sides of the mounting frame 2 are provided with protective plates 3 , and a telescopic rod 5 is fixedly connected between the protective plate 3 and the mounting frame 2 . In particular, the inner side of each protective plate 3 is fixedly connected with a plurality of second elastic blocks 9, and the two outer sides of the installation frame 2 are fixedly connected with first elastic blocks 4, and the first elastic block 4 and the second elastic block 9 have a size specification same. Therefore, once the combiner box main body 1 is hit, the protective plate 3 can receive the impact force first, and then the protective plate 3 moves to one side, and the second elastic block 9 and the first elastic block 9 can convert the impact force during the movement Form a buffer force, thereby reducing the impact force of the combiner box main body 1, thereby effectively absorbing shocks and protecting the internal parts of the combiner box main body. At the same time, the rubber sleeve can also assist in the cushioning effect.

The top of the installation frame 2 is vertically provided with an adjusting screw mandrel 7, and the rain shelter 6 is covered on the top of the installation frame 2. Specifically, the adjustment screw rod 7 is provided with a drive sleeve 8 through a threaded connection sleeve, the bottom of the adjustment screw rod 7 is connected to the installation frame 2, and the upper end is connected with a hand-held handle 13 for manually rotating the adjustment screw rod 7 . Therefore, turning the handle 13 can make the driving sleeve 8 lift. Limit rods 14 are installed on both sides of the adjusting screw mandrel 7, and both sides of the drive sleeve 8 are sleeved on the outside of the limit rods 14 to be slidingly connected. A connecting rod 15 is movably connected between the drive sleeve 8 and the rain shelter 6 . In particular, the rain shelter 6 in this embodiment includes two rain shields that are rotatably connected to each other in a herringbone shape. Each connecting rod 15 is hinged to the driving sleeve 8 at one end, and the other end is hinged to the inner wall of the rain shield on the corresponding side. Therefore, in rainy weather, the rain shelter 6 can protect the top of the combiner box main body 1 from rain. By holding the hand-held handle 13 and rotating the adjusting screw 7, the drive sleeve 8 moves upwards, and the connecting rods 15 on both sides of the drive sleeve 8 push the rain shelter 6 to change the support angle, thereby changing the drainage efficiency with different support angles.

Each protective plate 3 is provided with a heat dissipation wind tunnel 11, and a heat dissipation fan 16 is installed on the inner wall of the protective plate 3 corresponding to the heat dissipation wind tunnel 11, and a dustproof net 12 is fixedly connected to the outside of the heat dissipation wind tunnel 11. In order to further improve the heat dissipation effect, a heat conduction plate 18 is provided inside the heat dissipation fan 16, and an elastic rod 17 is fixedly connected between the heat conduction plate 18 and the heat dissipation fan 16, and the heat conduction plate 18 is closely attached to the outer wall of the combiner box main body 1. Thus, during use, the heat conduction plate 18 can quickly extract the heat inside the combiner box main body 1, and then the heat dissipation fan 16 accelerates the heat dissipation of the heat conduction plate 18 and effectively discharges heat outward through the heat dissipation wind tunnel 11, and the dustproof effect of the heat dissipation fan 16 is external. The net 12 can prevent a large amount of dust from entering the inside of the cooling fan 16 . According to different practical situations, in this embodiment, heat dissipation wind tunnels 11 are arranged at the upper and lower positions of each protective plate 3 .

It should be noted that the foregoing describes embodiments of the present invention. However, those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and what is described in the above-mentioned embodiments is only to illustrate the principle of the utility model, and the utility model can also be used without departing from the scope of the utility model. There will be many changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims (10)

1. A protective device for a photovoltaic power generation DC combiner box, characterized in that it includes an installation frame installed outside the main body of the combiner box, protective plates fixed on both sides outside the installation frame by telescopic rods, and a protective plate at the top of the main body of the combiner box. Umbrella-shaped rain shelter; a heat dissipation wind tunnel is provided on the protective plate, and an elastic buffer block is provided between the protective plate and the installation frame. 2. A protective device for a photovoltaic power generation DC combiner box according to claim 1, wherein the elastic buffer block includes a plurality of first elastic blocks located on the two outer sides of the installation frame and a plurality of first elastic blocks located on the protective plate A plurality of second elastic blocks are provided on the inner side wall; the first elastic block and the second elastic block have the same thickness. 3. A protective device for a photovoltaic power generation DC combiner box as claimed in claim 2, characterized in that a rubber sleeve is fixedly connected to the inner side of the installation frame, and the inner side of the rubber sleeve is attached to the outer wall of the main body of the combiner box . 4 . The protective device for a photovoltaic power generation DC combiner box according to claim 1 , wherein a heat dissipation fan is installed at the inner wall of the protective plate corresponding to the heat dissipation wind tunnel. 5 . 5. A protective device for a photovoltaic power generation DC combiner box as claimed in claim 4, characterized in that one side of the heat dissipation fan is provided with a heat conduction plate that is attached to the outer wall of the corresponding combiner box main body, and the heat conduction plate An elastic rod is fixedly connected between the plate and the cooling fan. 6. A protective device for photovoltaic power generation DC combiner box as claimed in claim 4, characterized in that the outer cover of the heat dissipation wind tunnel is provided with a dust-proof net. 7. A protective device for photovoltaic power generation DC combiner box according to any one of claims 1-6, characterized in that the top of the installation frame is vertically provided with an adjustment screw, and the external thread of the adjustment screw is connected with a drive sleeve, and a connecting rod is movably hinged between the driving sleeve and the rain shelter. 8. A protective device for a photovoltaic power generation DC combiner box as claimed in claim 7, characterized in that vertical limit rods are provided on both sides of the adjusting screw rod, and the drive sleeve is sleeved on the limit rod and is slidably connected with the limit rod. 9 . The protective device for a photovoltaic power generation DC combiner box as claimed in claim 7 , wherein the top end of the adjusting screw rod is provided with a handle, and the bottom end is connected to the installation frame. 10 . 10. A protective device for photovoltaic power generation DC combiner box according to claim 7, characterized in that the rain shelter includes two rain shields that are rotatably connected to each other in a "herringbone" shape, and one end of the connecting rod is hinged The other end of the drive sleeve is hinged to the inner wall of the rain shield on the corresponding side.

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