CN217522437U

CN217522437U - Low-voltage switch cabinet with high protection level

Info

Publication number: CN217522437U
Application number: CN202220958062.3U
Authority: CN
Inventors: 左春光; 肖淑强; 张志伟; 黄新恒
Original assignee: Guangdong Aerpal Electric Power Technology Co ltd
Current assignee: Guangdong Aerpal Electric Power Technology Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-30
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a cubical switchboard technical field just discloses a low-voltage switchgear of high protection level, main part curb plate including the cubical switchboard, the heat dissipation ventilation hole that several rows run through is seted up to main part curb plate surface, main part curb plate surface both sides fixedly connected with heat dissipation curb plate, the other end of heat dissipation curb plate is provided with heat dissipation baffle, several rows of heat dissipation ventilation hole that run through are seted up to heat dissipation baffle surface downside, main part curb plate upper end fixedly connected with guard plate, heat dissipation curb plate lower extreme is provided with T style of calligraphy sliding bottom plate, heat dissipation baffle lower extreme fixedly connected with dust guard, through set up heat dissipation baffle in the cubical switchboard left and right sides, set up the guard plate in the upper end, can strengthen dustproof and waterproof ability when increasing the ventilation hole area, improved the low-voltage switchgear radiating effect of high protection level.

Description

Low-voltage switch cabinet with high protection level

Technical Field

The utility model relates to a cubical switchboard technical field just discloses a low-voltage switchgear of high protection level.

Background

The protection grade of the low-voltage switch cabinet is an important technical parameter of any switch cabinet, currently, the low-voltage switch cabinet with the protection grade of IP54 grade and above belongs to a high protection grade, the protection grade represents 5 grade, although dust cannot be completely prevented from invading, the invading dust amount cannot influence the normal operation of a machine, the protection grade is 4 grade, the invasion of water splashed from all directions is prevented, and the soaking is not prevented.

From low-voltage switchgear's use, the staff of transformer substation all hopes that low-voltage switchgear can have higher IP protection level, but high IP protection level has directly influenced low-voltage switchgear's radiating efficiency, consequently inside can accumulate too high heat, and electrical equipment works under high temperature for a long time, can reduce life, and even the person can lead to the loss unable use. At present, a radiating hole is usually formed in the bottom side of a box body of a high-protection-level low-voltage switch cabinet, and if the unreasonable high-IP-protection-level switch cabinet is directly installed and put into operation, the system is stopped or breaks down due to serious heating.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a low-voltage switchgear of high protection level to solve the problem that the background art provided.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low-voltage switchgear of high protection level, includes the main part curb plate of cubical switchboard, several rows of heat dissipation ventilation holes that run through are seted up on upper portion in the main part curb plate surface, main part curb plate surface both sides fixedly connected with heat dissipation curb plate, the other end of heat dissipation curb plate is provided with heat dissipation baffle, several rows of fresh air inlets that run through are seted up to heat dissipation baffle surface downside, main part curb plate upper end fixedly connected with guard plate, heat dissipation curb plate lower extreme is provided with T style of calligraphy sliding bottom plate, main part curb plate surface rigid coupling has the draw runner that corresponds with sliding bottom plate, the also rigid coupling of heat dissipation baffle internal surface has the draw runner that corresponds with sliding bottom plate, sliding bottom plate passes through draw runner and heat dissipation curb plate sliding connection, heat dissipation baffle lower extreme fixedly connected with dust guard.

Preferably, the radiating side plate is provided with a threaded hole, the outer surface of the radiating baffle is provided with a fixing hole corresponding to the threaded hole, and the radiating side plate is connected with the radiating baffle through the threaded hole and the fixing hole by a bolt.

Preferably, the guard plate is the design of opening decurrent curved surface, the guard plate left and right sides is for sealing the design, the guard plate cover is established in cowl top outside top.

Preferably, the sliding bottom plate is provided with a bottom plate ventilation hole which is communicated.

Preferably, the outer surface of the heat dissipation vent hole is fixedly connected with a dust screen, the inner surface of the air inlet hole is also fixedly connected with a dust screen, and the inner surface of the bottom plate vent hole is also fixedly connected with a dust screen.

Preferably, the dust guard is designed to be an inward curved surface, and the left side and the right side are not sealed.

(III) advantageous effects

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this kind of novel low-voltage switchgear of high protection level through set up heat radiation baffle in the cubical switchboard left and right sides, sets up the guard plate in the upper end, can strengthen dustproof and waterproof ability when increasing the vent hole area, has improved the low-voltage switchgear radiating effect of high protection level.

2. This kind of novel low-voltage switchgear of high protection level through set up the slide that can take out between cubical switchboard curb plate and heat radiation baffle, is provided with opening and dust screen on the inboard, is provided with the barrier plate in the below, can be dustproof and waterproof under the complex environment, keeps the interior ventilation of cabinet simultaneously, the internal clearance in later stage and the maintenance of also being convenient for.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the main body side plate of the present invention;

fig. 3 is a schematic view of the inner surface structure of the heat dissipation baffle of the present invention;

fig. 4 is a schematic view of the outer surface structure of the main body side plate of the present invention.

In the figure: 1. a main body side plate; 2. a heat dissipation vent hole; 3. a heat dissipation side plate; 4. a heat dissipation baffle; 5. an air inlet hole; 6. a protection plate; 7. a sliding bottom plate; 8. a slide bar; 9. a dust-proof plate; 10. a threaded hole; 11. a fixing hole; 12. a bottom plate vent; 13. and (4) a dust screen.

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. 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.

Examples

Referring to fig. 1-4, a low-voltage switch cabinet with high protection level comprises a main body side plate 1 of the switch cabinet, the outer surface of the main body side plate 1 is provided with a plurality of rows of through heat dissipation ventilation holes 2, the design can be customized according to the machine power required by customers, manufacturers are on the spot, the heat dissipation ventilation area can be adjusted, but is much larger than that of the common low-voltage switch cabinet with high protection level, because the air in the cabinet moves upwards after being heated, the heat dissipation efficiency can be effectively improved by the large-area heat dissipation ventilation holes 2 at the middle upper end, the two sides of the outer surface of the main body side plate 1 are fixedly connected with the heat dissipation side plate 3, the other end of the heat dissipation side plate 3 is provided with a heat dissipation baffle plate 4, the heat dissipation baffle plate 4 can play a role of dust prevention and water prevention at the outer side of the heat dissipation ventilation holes 2, the lower side of the outer surface of the heat dissipation baffle plate 4 is provided with a plurality of through air inlet holes 5, the inner surface of the air inlet holes 5 is also fixedly connected with a dust prevention net 13, the lower end of the heat dissipation baffle 4 is fixedly connected with a dust guard 9 which can bring fresh air to the outer surface of the main body side plate 1 so as to better take away heat, the heat dissipation side plate 3 is provided with a threaded hole 10, the outer surface of the heat dissipation baffle 4 is provided with a fixed hole 11 corresponding to the threaded hole 10, the heat dissipation side plate 3 is in bolt connection with the heat dissipation baffle 4 through the threaded hole 10 and the fixed hole 11, later disassembly, detection or cleaning and maintenance are facilitated, the bolt for fixing the heat dissipation baffle 4 is directly unscrewed, the upper end of the main body side plate 1 is fixedly connected with a protection plate 6, the protection plate 6 is in a curved surface design with a downward opening, the left side and the right side of the protection plate 6 are in sealing design, the protection plate 6 is sleeved above the outer side of the top end of the heat dissipation baffle 4, after hot air in the cabinet is discharged through the heat dissipation vent holes 2, the hot air needs to be discharged outwards and the protection plate 6 can be dustproof and waterproof while the hot air is convenient to be discharged, 3 lower extremes of heat dissipation curb plate are provided with T style of calligraphy sliding bottom plate 7, set up the bottom plate ventilation hole 12 that link up on sliding bottom plate 7, 12 internal surface also fixedly connected with dust screen 13 in the bottom plate ventilation hole, 4 lower extreme fixedly connected with dust guard 9 of heat dissipation baffle, dust guard 9 is the design of inside curved surface, the left and right sides is unsealed, because hot-air flows out from the upside, atmospheric pressure can make new air constantly flow in from the downside, this design can be accomplished dustproofly when guaranteeing 4 downside of heat dissipation baffle and constantly admit air, and the later stage also can regularly take out the dust condition of 7 inspection inner walls of sliding bottom plate, thereby regular clearance.

The working principle is as follows: during operation of the low-voltage switch cabinet, air in the cabinet can upward movement after being heated by a machine, large-area heat dissipation vent holes 2 are formed in the middle upper portion of a main body side plate 1, hot air flowing out is facilitated, after upper-layer air pressure is reduced, fresh air flows into an air inlet hole 5 and a bottom plate vent hole 12 in the lower side of a heat dissipation baffle plate 4, heat is taken away, a dust screen 13 filters fresh air, the heat dissipation baffle plate 4, a protection plate 6 and a dust prevention plate 9 are dustproof at two sides of the low-voltage switch cabinet, the dust accumulation condition of the inner wall is judged by drawing dust on a sliding bottom plate 7 during inspection, and bolts for fixing the heat dissipation baffle plate 4 can be unscrewed regularly to clean and maintain.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The low-voltage switch cabinet with the high protection level comprises a main body side plate (1) of the switch cabinet and is characterized in that a plurality of rows of penetrating heat dissipation ventilation holes (2) are formed in the middle upper portion of the outer surface of the main body side plate (1), heat dissipation side plates (3) are fixedly connected to the two sides of the outer surface of the main body side plate (1), a heat dissipation baffle (4) is arranged at the other end of each heat dissipation side plate (3), a plurality of rows of penetrating air inlet holes (5) are formed in the lower side of the outer surface of the heat dissipation baffle (4), a protection plate (6) is fixedly connected to the upper end of the main body side plate (1), a T-shaped sliding bottom plate (7) is arranged at the lower end of each heat dissipation side plate (3), a sliding strip (8) corresponding to the sliding bottom plate (7) is fixedly connected to the outer surface of the main body side plate (1), and a sliding strip (8) corresponding to the sliding bottom plate (7) is fixedly connected to the inner surface of the heat dissipation baffle (4), the sliding bottom plate (7) is connected with the heat dissipation side plate (3) in a sliding mode through a sliding strip (8), and the lower end of the heat dissipation baffle plate (4) is fixedly connected with a dust guard (9).

2. The high-protection-level low-voltage switch cabinet according to claim 1, wherein a threaded hole (10) is formed in the heat dissipation side plate (3), a fixing hole (11) corresponding to the threaded hole (10) is formed in the outer surface of the heat dissipation baffle (4), and the heat dissipation side plate (3) is connected with the heat dissipation baffle (4) through the threaded hole (10) and the fixing hole (11) by a bolt.

3. The low-voltage switch cabinet with the high protection level according to claim 1, wherein the protection plate (6) is designed as a curved surface with a downward opening, the protection plate (6) is designed as a seal on the left side and the right side, and the protection plate (6) is sleeved on the upper portion of the top end of the heat dissipation baffle plate (4).

4. The low-voltage switchgear cabinet with high protection level according to claim 1, wherein the sliding bottom plate (7) is provided with a bottom plate ventilation hole (12) therethrough.

5. The low-voltage switch cabinet with high protection level according to claim 4, wherein a dust screen (13) is fixedly connected to the outer surface of the heat dissipation vent hole (2), a dust screen (13) is fixedly connected to the inner surface of the air inlet hole (5), and a dust screen (13) is fixedly connected to the inner surface of the bottom plate vent hole (12).

6. The low-voltage switchgear cabinet with high protection level according to claim 1, wherein said dust-proof plate (9) is designed as an inward curved surface, left and right sides are not sealed.