CN215185096U

CN215185096U - Low-voltage cabinet

Info

Publication number: CN215185096U
Application number: CN202121646869.5U
Authority: CN
Inventors: 孟祖彬; 刘元海
Original assignee: Yuanlong Power Technology Co ltd
Current assignee: Yuanlong Power Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-12-14
Anticipated expiration: 2031-07-19

Abstract

The utility model provides a low-voltage cabinet, include: the upper end of the low-voltage cabinet main body is opened; the waterproof cap is arranged at an opening at the upper end of the low-voltage cabinet main body; the cooling fan is arranged inside the waterproof cap, and wind generated by the cooling fan blows to equipment inside the low-voltage cabinet main body; and the ventilation and dustproof device is arranged on the lower surface of the waterproof cap and communicates air in the waterproof cap with outside air. The technical problems that the heat dissipation design of a low-voltage cabinet in the prior art is unreasonable, the dustproof performance and the heat dissipation performance are poor, air with high humidity cannot be effectively prevented from entering the cabinet body, and the use performance and the use efficiency are low are solved.

Description

Low-voltage cabinet

Technical Field

The utility model relates to a low-voltage cabinet technical field, concretely relates to low-voltage cabinet.

Background

The low-voltage cabinet, low-voltage switchgear promptly is applicable to trades such as power plant, petroleum, chemical industry, metallurgy, weaving, high-rise building, and as the use of transportation, distribution and electric energy conversion, the electric component in the cabinet has a large amount of charges to flow through, produces a large amount of heats, consequently carries out the nature heat dissipation through setting up some louvres at cabinet body top usually, perhaps sets up the fan at cabinet internal portion and carries out the forced air cooling heat dissipation. The heat dissipation holes are arranged at the top of the existing low-voltage cabinet, dust easily enters the heat dissipation holes, the hole diameters of the heat dissipation holes are small, and the area of the heat dissipation holes is not large. For example, the chinese patent with application number "201821247550.3" discloses a "low-voltage power distribution cabinet", which blocks dust in the air by adding a dust filter screen layer, but only sets a heat dissipation device on the rear side plate to dissipate heat from the cabinet body, the total area of the heat dissipation holes is relatively small, and when the low-voltage cabinet is placed outdoors or the humidity in the air is relatively high, the heat dissipation device is set on the rear side plate, which easily causes the air with high humidity to enter the cabinet body due to the reverse suction of the fan, and further affects the normal operation of the components in the cabinet body; to sum up, in the existing low-voltage power distribution cabinet, the heat dissipation device is relatively unreasonable in design, dustproof and relatively poor in heat dissipation performance, and cannot effectively prevent air with high humidity from entering the cabinet, so that the use performance and the use efficiency are relatively poor.

SUMMERY OF THE UTILITY MODEL

Therefore, the utility model discloses it is unreasonable relatively to solve the heat dissipation design of the low-voltage cabinet among the prior art, and dustproof, heat dispersion are relatively poor, and can not effectively prevent the great air admission cabinet internal portion of humidity, performance and availability factor technical problem lower relatively to a low-voltage cabinet is provided.

According to the utility model provides a low-voltage cabinet, include: the upper end of the low-voltage cabinet main body is opened; the waterproof cap is arranged at an opening at the upper end of the low-voltage cabinet main body; the cooling fan is arranged inside the waterproof cap, and wind generated by the cooling fan blows to equipment inside the low-voltage cabinet main body; and the ventilation and dustproof device is arranged on the lower surface of the waterproof cap and communicates air in the waterproof cap with outside air.

Further, the low-voltage cabinet, the ventilation dust keeper include that first box and the second of placing are placed the box, first box of placing is located the second is placed the below of box, first box of placing with the second is placed and is provided with a plurality of through-holes on the connecting plate between the box, first lower surface of placing the box with the second is placed the upper surface of box and all is provided with a plurality of through-holes.

Furthermore, according to the low-voltage cabinet, a dust filter screen layer is placed in the first placing box.

Furthermore, according to the low-voltage cabinet, a drying agent is arranged in the second placing box.

Further, according to the low-voltage cabinet, the ventilation and dust prevention device is rotatably connected with the lower surface of the waterproof cap through a hinge.

Furthermore, according to the low-voltage cabinet, two or four ventilation and dust prevention devices are arranged.

Further, the low-voltage cabinet, still include the dustproof curb plate of ventilation, inlay and locate the lateral wall or the back wall of low-voltage cabinet.

Furthermore, the low-voltage cabinet, the ventilation dustproof side plate is of a U-shaped groove structure, a plurality of through holes are formed in the side wall of the ventilation dustproof side plate, drying agents are arranged in the ventilation dustproof side plate groove, and a dust filter screen layer is movably mounted on the side wall, far away from the low-voltage cabinet main body, of the ventilation dustproof side plate.

The utility model discloses technical scheme has following advantage:

the low-voltage cabinet provided by the utility model is convenient for the cabinet body to be used outdoors by arranging the waterproof cap, and the relative space in the cabinet body is enlarged by the design of the waterproof cap, namely the space for air flowing for heat transfer conversion is enlarged, thereby improving the heat dispersion; set up cooling fan in waterproof cap and carry out the forced air cooling heat dissipation to the inside equipment of cabinet body, waterproof cap inner space is great relatively, can set up a plurality of cooling fan, avoided setting up the fan in the back wall of cabinet body main part, heat dispersion has been improved, through set up ventilation dust keeper at waterproof cap lower surface, air and outside air intercommunication in the waterproof cap, utilize ventilation dust keeper to carry out dustproof dehumidification to the air that gets into in the cabinet body main part, make the internal air of entering cabinet clean relatively and humidity is less, and then protect the internal equipment of cabinet effectively, usability and availability factor have been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a low voltage cabinet according to an embodiment of the present invention;

fig. 2 is a side view of a low-voltage cabinet according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a lower surface of a waterproof cap of a low-voltage cabinet according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a ventilation and dust prevention device of a low voltage cabinet according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a ventilation and dust prevention device of a low voltage cabinet according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a ventilation dustproof side plate of a low-voltage cabinet according to an embodiment of the present invention.

Description of reference numerals: 100. a low-voltage cabinet main body; 200. a waterproof cap; 300. a heat radiation fan; 400. a ventilation and dust-proof device; 410. a first placing box; 420. a second placing box; 430. a dust filtration net layer; 440. a desiccant; 450. a hinge; 460. a through hole; 500. the dustproof curb plate ventilates.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

Referring to fig. 1 to 6, an embodiment of the present application discloses a low voltage cabinet, which includes a low voltage cabinet main body 100 with an upper end open; a waterproof cap 200 installed at an upper end opening of the low-voltage cabinet main body 100; a heat dissipation fan 300 disposed inside the waterproof cap 200, wherein wind generated by the heat dissipation fan 300 blows toward devices inside the low voltage cabinet main body 100; and a ventilation and dust-proof device 400 disposed on a lower surface of the waterproof cap 200 and communicating air in the waterproof cap 200 with outside air. The cabinet body is convenient to use outdoors by arranging the waterproof cap, and the relative space in the cabinet body is enlarged by the design of the waterproof cap, namely the space for air flowing for heat transfer conversion is enlarged, so that the heat radiation performance is improved; set up cooling fan in waterproof cap and carry out the forced air cooling heat dissipation to the inside equipment of cabinet body, waterproof cap inner space is great relatively, can set up a plurality of cooling fan, avoided setting up the fan in the back wall of cabinet body main part, heat dispersion has been improved, through set up ventilation dust keeper at waterproof cap lower surface, air and outside air intercommunication in the waterproof cap, utilize ventilation dust keeper to carry out dustproof dehumidification to the air that gets into in the cabinet body main part, make the internal air of entering cabinet clean relatively and humidity is less, and then protect the internal equipment of cabinet effectively, usability and availability factor have been improved.

Referring to fig. 3-5, an alternative embodiment of the present invention, a low-voltage cabinet, the ventilation and dust-proof device 400 includes a first placing box 410 and a second placing box 420, the first placing box 410 is located below the second placing box 420, a plurality of through holes 460 are provided on the connecting plate between the first placing box 410 and the second placing box 420, and a plurality of through holes 460 are provided on the lower surface of the first placing box 410 and the upper surface of the second placing box 420. A dust filter screen layer 430 is placed in the first placing box 410; a drying agent 440 is disposed in the second storage box 420. Set up in the first box of placing through the dust filtration stratum reticulare and prevent dust, set up in the second through the drier and place the box and dehumidify, the brief introduction of reasonable in design, the function separation is convenient for maintain and changes corresponding dust filtration stratum reticulare or drier, has improved dustproof dehumidification effect, has further improved business turn over wind efficiency, has improved heat dispersion, has improved the rate of utilization, has protected the internal equipment of cabinet.

Referring to fig. 3 to 5, in an alternative embodiment of the present invention, the ventilation and dust prevention device 400 is rotatably connected to the lower surface of the waterproof cap 200 by a hinge 450. The opening and closing are convenient, the maintenance is convenient, and the dust filtering net layer or the drying agent is convenient to replace.

Preferably, there are two or four ventilation and dust-proof devices 400, and as shown in fig. 3, there are four ventilation and dust-proof devices 400. The arrangement of the plurality of ventilation dustproof devices increases the ventilation area and improves the heat dissipation effect.

Referring to fig. 1, 2 and 6, an alternative embodiment of the present invention is a low-voltage cabinet, further comprising a ventilation dustproof side plate 500 embedded in the side wall or the rear wall of the low-voltage cabinet. The ventilation dustproof side plate 500 is of a U-shaped groove structure, a plurality of through holes are formed in the side wall of the ventilation dustproof side plate 500, a drying agent is arranged in the groove of the ventilation dustproof side plate 500, and a dust filtering net layer is movably mounted on the side wall, far away from the low-voltage cabinet main body 100, of the ventilation dustproof side plate 500.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A low-voltage cabinet, comprising:

the upper end of the low-voltage cabinet main body is opened;

the waterproof cap is arranged at an opening at the upper end of the low-voltage cabinet main body;

the cooling fan is arranged inside the waterproof cap, and wind generated by the cooling fan blows to equipment inside the low-voltage cabinet main body;

and the ventilation and dustproof device is arranged on the lower surface of the waterproof cap and communicates air in the waterproof cap with outside air.

2. The low-voltage cabinet according to claim 1, wherein the ventilation and dust prevention device comprises a first placing box and a second placing box, the first placing box is located below the second placing box, a plurality of through holes are formed in a connecting plate between the first placing box and the second placing box, and a plurality of through holes are formed in both the lower surface of the first placing box and the upper surface of the second placing box.

3. The low-voltage cabinet as claimed in claim 2, wherein a dust filter screen layer is placed in the first placing box.

4. The low-voltage cabinet as claimed in claim 3, wherein a desiccant is arranged in the second storage box.

5. A low-voltage cabinet according to claim 4, wherein the ventilation and dust-proof device is rotatably connected with the lower surface of the waterproof cap through a hinge.

6. A low-voltage cabinet according to claim 5, wherein there are two or four of said ventilation and dust-proof devices.

7. The low-voltage cabinet according to claim 1, further comprising a ventilation dustproof side plate embedded in the side wall or the rear wall of the low-voltage cabinet.

8. The low-voltage cabinet according to claim 7, wherein the ventilation and dust-proof side plate is a "U" -shaped groove structure, a plurality of through holes are formed in the side wall of the ventilation and dust-proof side plate, a drying agent is arranged in the groove of the ventilation and dust-proof side plate, and a dust filter screen layer is movably mounted on the side wall of the ventilation and dust-proof side plate, which is far away from the low-voltage cabinet main body.