CN212726085U

CN212726085U - Photovoltaic power distribution cabinet with flexible top

Info

Publication number: CN212726085U
Application number: CN202021776259.2U
Authority: CN
Inventors: 周瑾; 吴国军; 殷俊秋; 凌湘
Original assignee: Jiangsu Huazhou Electric Co ltd
Current assignee: Jiangsu Huazhou Electric Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-03-16
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a photovoltaic power distribution cabinet with a telescopic top in the field of power distribution cabinet manufacturing, which comprises a cabinet body, wherein the top of the cabinet body is provided with a top plate, the middle part of the top plate is provided with a heat dissipation port, two sides of the top plate are provided with inner columns, outer columns are sleeved on the outer walls of the inner columns, locking mechanisms are arranged on the inner columns, the locking mechanisms are matched with the outer columns, the top parts of the outer columns are provided with sealing covers, and the sealing covers are matched with the heat dissipation ports; the clamping and locking mechanism comprises a clamping block, the clamping block is arranged in a clamping groove, a pressure spring is fixed at the bottom of the clamping groove and connected with the bottom of the clamping block, the length of the clamping block is smaller than the depth of the clamping groove, and the front end of the clamping block is processed into an arc shape; can dispel the heat and keep warm, adapt to big environment of the difference in temperature round the clock well, prevent the condensation, the utility model discloses can be used to dispel the heat and keep warm.

Description

Photovoltaic power distribution cabinet with flexible top

Technical Field

The utility model relates to a power distribution cabinet.

Background

In the photovoltaic power generation system, a plurality of photovoltaic panel currents are connected into a photovoltaic combiner box in parallel, and after being combined in the photovoltaic combiner box, the currents are output through a direct current power distribution cabinet and matched with a photovoltaic inverter to form the complete photovoltaic power generation system. Because large-scale photovoltaic power stations in China are usually built in the northwest regions with good solar resources, the temperature difference between day and night in the northwest regions is large, a power distribution cabinet needs good heat dissipation in the daytime and works normally, and electrical equipment of the photovoltaic power stations are in an off-state at night, so that the equipment needs to be insulated, particularly in winter, the temperature drops suddenly, and electrical elements are prone to condensation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a photovoltaic power distribution cabinet with flexible top can dispel the heat and keep warm, adapts to big environment of the difference in temperature round the clock well, prevents the condensation.

In order to achieve the purpose, the utility model provides a photovoltaic power distribution cabinet with flexible top, the intelligent cabinet temperature adjusting device comprises a cabinet body, the top of the cabinet body is provided with the roof, the thermovent has been seted up at the middle part of roof, the both sides of roof are provided with the inner prop, the cover is equipped with the outer prop on the outer wall of inner prop, be provided with kayser mechanism on the inner prop, kayser mechanism cooperatees with the outer prop, the top of outer prop is provided with the closing cap, closing cap and thermovent phase-match.

Compared with the prior art, the utility model has the advantages that when the temperature is high in daytime, the outer column can be lifted upwards and fixed on the upper part of the inner column through the locking mechanism, so that the sealing cover exposes the heat dissipation port of the top plate, and the heat rises and is quickly dissipated through the heat dissipation port due to light hot air, thereby realizing the effect of quick heat dissipation; when the temperature suddenly drops at night, the outer column moves downwards along the inner column through the clamping mechanism until the sealing cover completely seals the heat dissipation opening, so that waste heat generated by electrical elements can be kept in the cabinet body for a long time when the power distribution cabinet stops running, the temperature reduction speed is slow, the condensation phenomenon caused by the sudden drop of the temperature is avoided, and the service life is prolonged; can dispel the heat and keep warm, adapt to big environment of the difference in temperature round the clock well, prevent the condensation, the utility model discloses can be used to dispel the heat and keep warm.

As a further improvement of the present invention, the locking mechanism includes a clamping block, the clamping block is disposed in the clamping groove, a pressure spring is fixed at the bottom of the clamping groove, the pressure spring is connected to the bottom of the clamping block, the length of the clamping block is smaller than the depth of the clamping groove, and the front end of the clamping block is processed into an arc shape, so that the sealing cover can be directly lifted upwards in the daytime until the height of the bottom of the outer column exceeds the height of the clamping block, so that the clamping block is not blocked and extends outwards under the action of the pressure spring, and the clamping block partially extends out of the clamping groove, so that the outer column is supported by the clamping block, and further the sealing cover and the heat dissipation opening keep a certain height, and the heat dissipation opening is communicated with the external connection, so that the; when the switch board stop motion is gone up evening, impress the fixture block in the draw-in groove for the outer post can cover the thermovent completely along inner prop downstream until closing cap and roof contact, makes the temperature in the switch board can slowly descend, avoids the heat to distribute fast and causes the condensation phenomenon, can avoid by the fish tail with circular-arc front end when pressing the fixture block simultaneously.

As a further improvement, the heat dissipation port is provided with a filter screen, so that the sealing cover can be prevented from falling into the power distribution cabinet after being lifted.

As a further improvement, the closing cap includes the apron, the both sides bottom of apron links to each other with the outer post, still be provided with the shrouding on the bottom of apron, the shrouding is provided with four and mutual end to end is perpendicular continuous, can make up the closing cap that a bottom open-ended hollow cube constitutes through apron and four shroudings like this, can enough cover the thermovent, also can avoid damaging the dust switch board of leading to impressing with the filter screen contact.

As the utility model discloses a further improvement, be provided with the handle on the top of apron, can come the closing cap to move down on the whole through carrying the handle like this, conveniently press the fixture block simultaneously.

As a further improvement, the inner column symmetry is arranged on the middle of the top plate, the outer column symmetry is arranged on the middle of the cover plate, and the sealing cover can be arranged right on the heat dissipation port, so that the clamping block can be pressed conveniently.

As the utility model discloses a further improvement, shrouding and apron are sandwich structure, sandwich structure includes aluminum plate and covering, be provided with foaming polyurethane between aluminum plate and the covering, can the covering be outside like this, including aluminum plate for the closing cap has the better heat preservation effect, further reduces the speed that the temperature descends at night, and the quality of shrouding and apron is lighter simultaneously, is convenient for carry and draws.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of the cabinet body of the present invention.

Fig. 3 is a schematic view of the latch mechanism of the present invention.

Fig. 4 is a schematic view of the sandwich structure of the present invention.

The multifunctional cabinet comprises an inner column 1, a sealing plate 2, a handle 3, a cabinet body 4, a cover plate 5, an outer column 6, a filter screen 7, a heat dissipation opening 8, a top plate 9, a clamping block 10, a compression spring 11, a clamping groove 12, a skin 13, foamed polyurethane 14 and an aluminum plate 15.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-4, the photovoltaic power distribution cabinet with the retractable top comprises a cabinet body 4, wherein a top plate 9 is arranged at the top of the cabinet body 4, a heat dissipation port 8 is formed in the middle of the top plate 9, inner columns 1 are arranged on two sides of the top plate 9, outer columns 6 are sleeved on the outer walls of the inner columns 1, locking mechanisms are arranged on the inner columns 1, the locking mechanisms are matched with the outer columns 6, sealing covers are arranged at the tops of the outer columns 6, and the sealing covers are matched with the heat dissipation port 8; the clamping and locking mechanism comprises a clamping block 10, the clamping block 10 is arranged in a clamping groove 12, a pressure spring 11 is fixed at the bottom of the clamping groove 12, the pressure spring 11 is connected with the bottom of the clamping block 10, the length of the clamping block 10 is smaller than the depth of the clamping groove 12, and the front end of the clamping block 10 is processed into an arc shape; a filter screen 7 is arranged at the heat dissipation port 8; the sealing cover comprises a cover plate 5, the bottoms of the two sides of the cover plate 5 are connected with an outer column 6, the bottom of the cover plate 5 is also provided with sealing plates 2, and the sealing plates 2 are provided with four blocks which are vertically connected end to end; the top of the cover plate 5 is provided with a handle 3; the inner columns 1 are symmetrically arranged at two sides of the middle of the top plate 9, and the outer columns 6 are symmetrically arranged at two sides of the middle of the cover plate 5; shrouding 2 and apron 5 are sandwich structure, and sandwich structure includes aluminum plate 15 and covering 13, is provided with foaming polyurethane 15 between aluminum plate 15 and the covering 13.

In the utility model, when the temperature is high in daytime, the sealing cover can be directly lifted upwards until the bottom of the outer column 6 exceeds the height of the clamping block 10, so that the clamping block 10 is not blocked and extends outwards under the action of the pressure spring 11, and the part of the clamping block 10 extends out of the clamping groove 12, so that the outer column 6 is supported by the clamping block 10, and further the sealing cover and the heat dissipation port 8 keep a certain height, and the heat dissipation port 8 is communicated with the external part, and because the hot air is light, the heat rises and is rapidly distributed through the heat dissipation port 8, and the rapid heat dissipation effect is realized; when the rapid temperature drop switch board stopped operating at night, in the draw-in groove 12 of impressing fixture block 10 for outer post 6 can cover heat-radiating hole 8 completely along 1 downstream of inner prop until closing cap and roof 9 contact, and the waste heat that electrical components produced can be in cabinet body 4 with long-time reservation, makes the speed of temperature reduction slow, avoids the condensation phenomenon to appear in the rapid temperature drop, increase of service life.

The present invention is not limited to the above embodiments, and based on the technical solutions of the present disclosure, those skilled in the art can make some substitutions and transformations to some technical features without creative labor according to the disclosed technical contents, and these substitutions and transformations are all within the protection scope of the present invention.

Claims

1. The utility model provides a photovoltaic switch board with flexible top, includes the cabinet body, its characterized in that: the top of the cabinet body is provided with the roof, the thermovent has been seted up at the middle part of roof, the both sides of roof are provided with the inner prop, the cover is equipped with the outer post on the outer wall of inner prop, be provided with latch mechanism on the inner prop, latch mechanism cooperatees with the outer post, the top of outer post is provided with the closing cap, closing cap and thermovent phase-match.

2. The photovoltaic power distribution cabinet with the retractable roof as recited in claim 1, wherein: the clamping and locking mechanism comprises a clamping block, the clamping block is arranged in a clamping groove, a pressure spring is fixed at the bottom of the clamping groove and connected with the bottom of the clamping block, the length of the clamping block is smaller than the depth of the clamping groove, and the front end of the clamping block is processed into an arc shape.

3. The photovoltaic power distribution cabinet with the retractable roof as recited in claim 2, wherein: the heat dissipation opening is provided with a filter screen.

4. The photovoltaic power distribution cabinet with the retractable roof as recited in claim 3, wherein: the closing cap includes the apron, the both sides bottom of apron links to each other with the outer post, still be provided with the shrouding on the bottom of apron, the shrouding is provided with four and end to end vertical connection each other.

5. The photovoltaic power distribution cabinet with the retractable roof as recited in claim 4, wherein: a handle is arranged on the top of the cover plate.

6. The photovoltaic power distribution cabinet with the retractable roof as recited in claim 5, wherein: the inner columns are symmetrically arranged on two sides of the middle of the top plate, and the outer columns are symmetrically arranged on two sides of the middle of the cover plate.

7. The photovoltaic power distribution cabinet with the retractable roof as recited in claim 6, wherein: the shrouding and apron are sandwich structure, sandwich structure includes aluminum plate and covering, be provided with foamed polyurethane between aluminum plate and the covering.