CN219499344U - Temperature-control photovoltaic combiner box - Google Patents

Abstract

The utility model provides a temperature-control photovoltaic combiner box which comprises a box body and a top cover. The two side plates of the box body are provided with heat dissipation holes, the two sides of the bottom plate of the box body are provided with sliding grooves, the sliding grooves are internally provided with moving plates, the height of each moving plate is consistent with that of each side plate, and the width of each moving plate is smaller than one half of that of each side plate; the top cover has a gradient, and the height of the top cover is reduced from left to right; the heat dissipation hole is positioned on one side of the two side plates, on which the movable plate is not arranged. The utility model relates to the field of photovoltaic junction boxes, in particular to a temperature-control photovoltaic junction box.

Description

Temperature-control photovoltaic combiner box

Technical Field

The utility model relates to the field of photovoltaic junction boxes, in particular to a temperature-control photovoltaic junction box.

Background

Each photovoltaic element generating electricity by solar energy generates tiny voltage and current, and a plurality of photovoltaic elements are connected to achieve rated voltage and current. The best wiring mode of the photovoltaic cell panel formed by a plurality of photovoltaic elements is that a junction box for collecting the generated direct current is arranged at the bottom edge of the photovoltaic panel. A large number of wires and wiring components made of plastics are collected in the junction box.

The existing junction box is exposed to sunlight radiation in high temperature in summer, is airtight, so that the interior of the box is stuffy, the over-current temperature of a device is increased, the resistance temperature coefficient is increased, the impedance loss is increased, the device is easy to age in high temperature, the service life is shortened, and the external environment is cold in winter, if ventilation is performed all the time, the damage of an electric element can be caused.

Disclosure of Invention

In view of the above, the utility model aims to provide a temperature-control photovoltaic combiner box, which is provided with a heat dissipation hole matched with a movable plate so as to facilitate heat dissipation in high-temperature weather and move right in low-temperature weather so as to facilitate heat preservation and avoid damage to electrical elements.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

the temperature-control photovoltaic combiner box comprises a box body and a top cover, wherein heat dissipation holes are formed in two side plates of the box body, sliding grooves are formed in two sides of a bottom plate of the box body, moving plates are respectively arranged in the two sliding grooves, the height of each moving plate is consistent with that of each side plate, and the width of each moving plate is smaller than one half of that of each side plate;

the top cover is provided with a slope, and the height of the top cover is reduced from left to right; the heat dissipation holes are positioned on one side of the two side plates, on which the moving plates are not arranged.

Further, a temperature sensor and an air cylinder are arranged at the inner side of the box body, the temperature sensor is positioned on the bottom plate of the box body, the air cylinder is positioned at the inner side of the side plate and positioned at the left side of the moving plate, and the power output end of the air cylinder is connected with the left side of the moving plate;

the temperature sensor is electrically connected with the cylinder.

Further, a dust screen is arranged on the inner side of the side plate, and the dust screen is located behind the radiating holes.

Further, supporting feet are arranged at four corners of the bottom of the box body, and the supporting feet are tripod.

Further, one side of the top cover, which is low in height, extends out of the box body.

Further, a groove is formed in the back plate of the box body, and the moving plate can be inlaid in the groove.

Compared with the prior art, the utility model has the following advantages:

according to the temperature control photovoltaic combiner box, the heat dissipation holes are formed to be matched with the movable plate so as to facilitate heat dissipation in high-temperature weather, and the movable plate moves rightwards in low-temperature weather so as to facilitate heat preservation and avoid damage to electrical elements. The top cover with the gradient is arranged at the left side, the right side and the left side so as to achieve the effect of rain and snow prevention. Through being equipped with temperature sensor cooperation cylinder so that realize automatic heat dissipation or heat preservation, avoid the device to cross electric temperature and rise, resistance temperature coefficient increases, leads to impedance loss to increase, and the device is ageing at high temperature, and life shortens.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 is a front view of a temperature-controlled photovoltaic junction box according to an embodiment of the present utility model;

fig. 2 is a left side view of a temperature-controlled photovoltaic junction box according to an embodiment of the present utility model;

fig. 3 is a top view of a left side view of a temperature-controlled photovoltaic junction box according to an embodiment of the present utility model;

reference numerals illustrate:

1. a case; 2. a top cover; 3. a side plate; 301. a heat radiation hole; 4. a bottom plate; 401. a chute; 5. a moving plate; 6. a temperature sensor; 7. a cylinder; 8. a tripod; 9. a back plate; 901. a groove.

Description of the embodiments

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In addition, reference to the embodiments of the present utility model means.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "back", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

The embodiment relates to a temperature control photovoltaic combiner box, is equipped with heat dissipation hole 301 cooperation movable plate 5 so that dispel the heat at high temperature weather, and the movable plate 5 moves right so that keep warm and avoid causing the damage to electrical components at low temperature weather.

Based on the design concept, an exemplary structure of the temperature-control photovoltaic junction box of the embodiment is shown in fig. 1-3, and mainly comprises a box body 1 and a top cover 2, wherein heat dissipation holes 301 are formed in two side plates 3 of the box body 1, sliding grooves 401 are formed in two sides of a bottom plate 4 of the box body 1, movable plates 5 are respectively arranged in the two sliding grooves 401, the height of each movable plate 5 is consistent with that of each side plate 3, and the width of each movable plate 5 is smaller than one half of that of each side plate 3; the top cover 2 has a gradient, and the height of the top cover 2 is reduced from left to right; the heat radiation holes 301 are located at the side of the both side plates 3 where the moving plate 5 is not provided, specifically,

the heat dissipation holes 301 are arranged to be matched with the movable plate 5 so as to facilitate heat dissipation in high-temperature weather, and the movable plate 5 moves rightwards in low-temperature weather so as to facilitate heat preservation and avoid damage to electrical elements; the top cover 2 with the gradient is arranged at the left side high and the right side low so as to have the effect of preventing rain and snow.

The inside of the box body 1 is provided with a temperature sensor 6 and air cylinders 7, the temperature sensor 6 is positioned on the bottom plate 4 of the box body 1, specifically, the number of the air cylinders 7 is two, the two air cylinders 7 are respectively positioned on the inside of the side plate 3 and are respectively positioned on the left sides of the two movable plates 5, and the power output ends of the air cylinders 7 are connected with the left sides of the movable plates 5; specifically, the temperature sensor 6 is electrically connected to the cylinder 7; through being equipped with temperature sensor 6 cooperation cylinder 7 so that realize automatic heat dissipation or heat preservation, avoid the device to cross electric temperature and rise, resistance temperature coefficient increases, leads to impedance loss to increase, and the device is ageing at high temperature, and life shortens.

A dust screen is arranged on the inner side of the side plate 3 and positioned behind the heat dissipation holes 301, so that the dust screen is arranged to avoid the accelerated ageing of the device caused by the entry of dust; supporting feet are arranged at four corners of the bottom of the box body 1, the supporting feet are tripod 8,

by providing a tripod 8 to provide a more stable support for the box 1; one side of the top cover 2 with low height extends out of the box body 1 so as to achieve better snow and rain prevention effect; the back plate 9 of the box body 1 is provided with a groove 901, and the movable plate 5 can be inlaid in the groove 901, so that the tightness is enhanced.

When the temperature-control photovoltaic combiner box is used, the moving plate 5 is default to be in the left side, namely the vent hole is default to be in an open state, and when the temperature reaches the low temperature threshold value, the air cylinder 7 pushes the moving plate 5 to push the moving plate 5 to the right side into the groove 901 of the backboard 9, namely the vent hole is closed; when the temperature reaches the high temperature threshold, the cylinder 7 pulls the moving plate 5 to the left, i.e. opens the vent.

The temperature-control photovoltaic combiner box adopting the embodiment well realizes that the heat dissipation is automatically conducted in high-temperature weather by being provided with the heat dissipation holes 301 and matching with the movable plate 5, the temperature sensor 6 and the air cylinder 7, and the movable plate 5 moves rightwards in low-temperature weather so as to preserve heat and avoid damaging electrical elements. The top cover 2 with the gradient is arranged at the left side high and the right side low so as to have the effect of preventing rain and snow.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (6)

1. The utility model provides a accuse temperature photovoltaic collection flow box, includes box (1) and top cap (2), its characterized in that: the heat dissipation device is characterized in that heat dissipation holes (301) are formed in two side plates (3) of the box body (1), sliding grooves (401) are formed in two sides of a bottom plate (4) of the box body (1), moving plates (5) are respectively arranged in the two sliding grooves (401), the height of each moving plate (5) is consistent with that of each side plate (3), and the width of each moving plate (5) is smaller than one half of that of each side plate (3);

the top cover (2) has a gradient, and the height of the top cover (2) is reduced from left to right;

the radiating holes (301) are positioned on one side of the two side plates (3) where the movable plates (5) are not arranged.

2. The temperature-controlled photovoltaic combiner box of claim 1, wherein: the inner side of the box body (1) is provided with a temperature sensor (6) and an air cylinder (7), the temperature sensor (6) is positioned on the bottom plate (4) of the box body (1), the air cylinder (7) is positioned on the inner side of the side plate (3) and on the left side of the movable plate (5), and the power output end of the air cylinder (7) is connected with the left side of the movable plate (5);

the temperature sensor (6) is electrically connected with the cylinder (7).

3. The temperature-controlled photovoltaic combiner box according to claim 2, wherein: the inner side of the side plate (3) is provided with a dustproof net, and the dustproof net is positioned behind the radiating holes (301).

4. A temperature-controlled photovoltaic combiner box according to claim 3, wherein: supporting feet are arranged at four corners of the bottom of the box body (1), and the supporting feet are tripod (8).

5. The temperature-controlled photovoltaic combiner box of claim 4, wherein: one side of the top cover (2) with low height extends out of the box body (1).

6. The temperature-controlled photovoltaic combiner box of claim 5, wherein: the box body (1) is characterized in that a groove (901) is formed in the backboard (9), and the movable plate (5) can be inlaid in the groove (901).