CN218448990U - Low-voltage switchgear convenient to maintenance - Google Patents

Abstract

The utility model discloses a low-voltage switchgear convenient to maintenance, including the cubical switchboard shell, the equal fixed mounting of the left and right sides inner wall of cubical switchboard shell has the spacing support of slip, and the inner chamber of cubical switchboard shell has equipment distribution mainboard through two spacing support movable mounting that slide, and the top fixed mounting of cubical switchboard shell has the dirt ventilator of straining, and the bottom fixed mounting of cubical switchboard shell inner chamber has the heat dissipation unit that is linked together with the dirt ventilator of straining. Above-mentioned scheme, the E font sliding bracket that anticreep riser and three spacing frid constitute is fixed connection with equipment distribution mainboard, the cubical switchboard shell passes through the sliding location board and is swing joint with E font sliding bracket, equipment distribution mainboard passes through the spacing frid movable mounting of sliding location board cooperation in the inner chamber of cubical switchboard shell, when the cubical switchboard internals is overhauld, maintenance personal can pull the outside of equipment distribution mainboard translation to the cubical switchboard shell to made things convenient for the maintenance personal to carry out the maintenance operation.

Description

Low-voltage switchgear convenient to maintenance

Technical Field

The utility model relates to a low-voltage switchgear technical field, more specifically say, the utility model relates to a low-voltage switchgear convenient to maintenance.

Background

The switch cabinet is an electrical device and mainly used for opening, closing, controlling and protecting the electrical device in the process of generating, transmitting, distributing and converting electric energy of an electric power system, and can be divided into an open-type switch cabinet, a metal-enclosed switch cabinet and a metal-enclosed armored switch cabinet according to different cabinet body structures; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades, and the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like are mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industry textiles, factories and mining enterprises, residential districts, high-rise buildings and the like.

There are circuit breaker, isolator, load switch, operating device, parts such as mutual-inductor and various protection device in the inside of cubical switchboard through distribution mainboard fixed mounting, but the distribution mainboard passes through rivet or welded mode and cubical switchboard's cabinet type shell fixed connection as an organic whole, this electric parts that just leads to cubical switchboard internally mounted is after the unexpected damage, need the maintenance personal to visit the body and get into the cubical switchboard inner chamber and maintain, cubical switchboard inner chamber inner space is narrow and small, light is not enough, bring very big inconvenience for the maintenance operation, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a low-voltage switchgear convenient to maintenance to it is as an organic whole with the cabinet type shell fixed connection of cubical switchboard to solve current distribution mainboard and pass through rivet or welded mode, this electric part that just leads to cubical switchboard internally mounted is after accidental damage, it visits into the cubical switchboard inner chamber and maintains to need the maintenance personal, cubical switchboard inner chamber inner space is narrow and small, light is not enough, bring very big inconvenience for the maintenance operation, the relatively poor problem of practicality.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a low-voltage switchgear convenient to maintenance, includes the cubical switchboard shell, the equal fixed mounting of the left and right sides inner wall of cubical switchboard shell has slip limit support, the inner chamber of cubical switchboard shell is through two slip limit support movable mounting has equipment distribution mainboard, the top fixed mounting of cubical switchboard shell has the dirt ventilator of straining, the bottom fixed mounting of cubical switchboard shell inner chamber with the heat dissipation unit that the dirt ventilator is linked together strains.

Preferably, the sliding limiting support comprises three limiting groove plates, the three limiting groove plates are arranged on the side face of the anti-falling plate in parallel and equidistantly, and the positioning sliding plate is movably connected with the three limiting groove plates through connecting pulleys.

Preferably, the assembly power distribution main board comprises a wiring board, an insulating vertical plate is fixedly mounted at the front of the wiring board, a plurality of connecting clamping seats electrically connected with the wiring board are fixedly mounted at the front of the insulating vertical plate, and the side edge of the insulating vertical plate is fixedly connected with the back face of the limiting groove plate.

Preferably, the switch cabinet shell comprises a glass fiber reinforced plastic shell, a single-door cabinet is movably mounted at the front part of the glass fiber reinforced plastic shell, two connecting through holes which are arranged in bilateral symmetry are formed in the top of the glass fiber reinforced plastic shell, and the dust filtering ventilator is communicated with the heat dissipation unit through the two connecting through holes.

Preferably, the dust filtering ventilator comprises an electrostatic dust collector, the top of the electrostatic dust collector is fixedly communicated with a dust filtering screen plate, the bottom of the electrostatic dust collector is fixedly communicated with two air guide pipes which are distributed in bilateral symmetry, and the two air guide pipes respectively penetrate through the two connecting through holes to be communicated with the heat dissipation unit.

Preferably, the heat dissipation unit comprises a drainage fan, the two sides of the drainage fan are fixedly communicated with an air guide transverse pipe communicated with the air guide pipe, and the top of the air guide transverse pipe is fixedly communicated with an air outlet pipe.

The utility model discloses a technological effect and advantage:

in the scheme, an E-shaped sliding support formed by the anti-falling plate and the three limiting groove plates is fixedly connected with the assembled power distribution main board, the switch cabinet shell is movably connected with the E-shaped sliding support through the positioning sliding plate, the assembled power distribution main board is movably arranged in an inner cavity of the switch cabinet shell through the positioning sliding plate and the limiting groove plates, and when internal components of the switch cabinet are overhauled, a maintenance worker can pull the assembled power distribution main board to horizontally move to the outside of the switch cabinet shell, so that the maintenance worker can conveniently carry out maintenance operation; the drainage fan is communicated with the electrostatic dust collector through the two air guide transverse pipes in a matched mode, the drainage fan is communicated with the inner cavity of the glass reinforced plastic shell through the air outlet pipe, the electrostatic dust collector and the dust filtering screen plate are arranged, it is guaranteed that air flow introduced into the inner cavity of the glass reinforced plastic shell by the drainage fan is free of dust doping, and the problems that when the drainage fan drives external air flow to enter the inner cavity of the glass reinforced plastic shell to dissipate heat, external dust adheres to and erodes electrical elements inside the switch cabinet, and the heat dissipation effect and the service life of the electrical elements are affected are solved.

Drawings

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

fig. 2 is a schematic structural view of the sliding limiting bracket of the present invention;

fig. 3 is a schematic structural view of the switch cabinet housing of the present invention;

fig. 4 is a schematic structural view of the dust filter ventilator of the present invention.

The reference signs are: 1. a switch cabinet housing; 2. a sliding limit bracket; 3. assembling a power distribution main board; 4. a dust filtration ventilator; 5. a heat sink unit; 11. a glass fiber reinforced plastic housing; 12. a single-opening cabinet door; 13. a connecting through hole; 21. an anti-drop vertical plate; 22. a limiting groove plate; 23. positioning a sliding plate; 31. connecting a wire management board; 32. insulating the vertical plate; 33. connecting the card holder; 41. an electrostatic precipitator; 42. a dust filter screen plate; 43. an air guide pipe; 51. the horizontal air guide pipe; 52. a drainage fan; 53. and an air outlet pipe.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

Like fig. 1 to fig. 4, the embodiment of the utility model provides a low-voltage switchgear convenient to maintenance, including cubical switchboard shell 1, the equal fixed mounting of left and right sides inner wall of cubical switchboard shell 1 has slip spacing support 2, and cubical switchboard shell 1's inner chamber has equipment distribution mainboard 3 through two slip spacing support 2 movable mounting, and cubical switchboard shell 1's top fixed mounting has dust filter ventilator 4, and the bottom fixed mounting of cubical switchboard shell 1 inner chamber has the heat dissipation unit 5 that is linked together with dust filter ventilator 4.

The sliding limiting support 2 comprises an anti-falling plate 21, limiting groove plates 22 and positioning sliding plates 23, the number of the limiting groove plates 22 is three, the three limiting groove plates 22 are arranged on the side face of the anti-falling plate 21 side by side at equal intervals, and the positioning sliding plates 23 are movably connected with the three limiting groove plates 22 through connecting pulleys; the assembly power distribution main board 3 comprises a power connection management line board 31, an insulating vertical plate 32 is fixedly mounted at the front part of the power connection management line board 31, a plurality of connecting clamping seats 33 electrically connected with the power connection management line board 31 are fixedly mounted at the front part of the insulating vertical plate 32, and the side edge of the insulating vertical plate 32 is fixedly connected with the back surface of the limiting groove plate 22; the positioning sliding plate 23 is fixedly connected with the inner wall of the switch cabinet shell 1, the rotating shaft for connecting the pulleys is fixedly connected with the limiting groove plate 22, and the anti-falling plate 21 is fixedly connected with the end parts of the three limiting groove plates 22 so as to prevent the connecting pulleys from being separated from the limiting groove plate 22 when the insulating vertical plate 32 is pulled to move outwards manually.

The switch cabinet shell 1 comprises a glass fiber reinforced plastic shell 11, a single-opening cabinet door 12 is movably mounted at the front part of the glass fiber reinforced plastic shell 11, two connecting through holes 13 which are symmetrically arranged from left to right are formed in the top of the glass fiber reinforced plastic shell 11, and the dust filtering ventilator 4 is communicated with the heat radiating unit 5 through the two connecting through holes 13; the dust filtering ventilator 4 comprises an electrostatic dust collector 41, the top of the electrostatic dust collector 41 is fixedly communicated with a dust filtering screen 42, the bottom of the electrostatic dust collector 41 is fixedly communicated with two air guide pipes 43 which are distributed in bilateral symmetry, and the two air guide pipes 43 respectively penetrate through the two connecting through holes 13 to be communicated with the heat dissipation unit 5; the heat dissipation unit 5 comprises a drainage fan 52, the both sides of the drainage fan 52 are fixedly communicated with an air guide transverse pipe 51 communicated with an air guide pipe 43, the top of the air guide transverse pipe 51 is fixedly communicated with an air outlet pipe 53, the air outlet pipe 53 is arranged under the assembled power distribution main board 3, the drainage fan 52 is communicated with the inner cavity of the glass fiber reinforced plastic shell 11 through the air outlet pipe 53, the purified air flow is driven to blow to the assembled power distribution main board 3 through the drainage fan 52, and the heat dissipation effect of the assembled power distribution main board 3 is guaranteed.

The utility model discloses a working process as follows:

the drainage fan 52 is communicated with the electrostatic precipitator 41 through two transverse air guide pipes 51 matched with two air guide pipes 43, the drainage fan 52 is communicated with the inner cavity of the glass reinforced plastic shell 11 through an air outlet pipe 53, and dust-free airflow is introduced into the inner cavity of the glass reinforced plastic shell 11 by the drainage fan 52 for heat dissipation through the arrangement of the electrostatic precipitator 41 and the dust filter screen plate 42;

anticreep riser 21 is fixed connection with the E font sliding support that three spacing frid 22 constitutes and equipment distribution mainboard 3, cubical switchboard shell 1 is swing joint through location sliding plate 23 and E font sliding support, equipment distribution mainboard 3 cooperates spacing frid 22 movable mounting in the inner chamber of cubical switchboard shell 1 through location sliding plate 23, when cubical switchboard internals overhauls, maintenance person can pull the outside of equipment distribution mainboard 3 translation to cubical switchboard shell 1 and maintain the operation.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a low-voltage switchgear convenient to maintenance, includes cubical switchboard shell (1), its characterized in that, the equal fixed mounting of the left and right sides inner wall of cubical switchboard shell (1) has slip limit support (2), the inner chamber of cubical switchboard shell (1) is through two slip limit support (2) movable mounting has equipment distribution mainboard (3), the top fixed mounting of cubical switchboard shell (1) has dirt ventilator (4), the bottom fixed mounting of cubical switchboard shell (1) inner chamber have with heat dissipation unit (5) that dirt ventilator (4) are linked together.

2. The low-voltage switch cabinet convenient to maintain according to claim 1, wherein the sliding limiting bracket (2) comprises three anti-dropping plates (21), three limiting groove plates (22) and a positioning sliding plate (23), the three limiting groove plates (22) are arranged on the side surface of the anti-dropping plates (21) side by side at equal intervals, and the positioning sliding plate (23) is movably connected with the three limiting groove plates (22) through connecting pulleys.

3. The low-voltage switch cabinet convenient to maintain according to claim 2, wherein the assembled power distribution main board (3) comprises a power connection management line board (31), an insulating vertical plate (32) is fixedly mounted at the front of the power connection management line board (31), a plurality of connecting clamping seats (33) electrically connected with the power connection management line board (31) are fixedly mounted at the front of the insulating vertical plate (32), and the side edge of the insulating vertical plate (32) is fixedly connected with the back surface of the limiting groove plate (22).

4. The low-voltage switch cabinet convenient to maintain as claimed in claim 1, wherein the switch cabinet housing (1) comprises a glass fiber reinforced plastic housing (11), a single-opening cabinet door (12) is movably mounted at the front part of the glass fiber reinforced plastic housing (11), two connecting through holes (13) symmetrically arranged from left to right are formed in the top of the glass fiber reinforced plastic housing (11), and the dust filtering ventilator (4) is communicated with the heat dissipating unit (5) through the two connecting through holes (13).

5. The low-voltage switch cabinet convenient to maintain as claimed in claim 4, wherein the dust filter ventilator (4) comprises an electrostatic dust collector (41), a dust filter screen plate (42) is fixedly communicated with the top of the electrostatic dust collector (41), two air guide pipes (43) which are symmetrically distributed from left to right are fixedly communicated with the bottom of the electrostatic dust collector (41), and the two air guide pipes (43) are respectively communicated with the heat dissipation unit (5) through the two connecting through holes (13).

6. The low-voltage switch cabinet convenient to maintain as claimed in claim 5, wherein the heat dissipation unit (5) comprises a drainage fan (52), both sides of the drainage fan (52) are fixedly communicated with a transverse air guide pipe (51) communicated with the air guide pipe (43), and the top of the transverse air guide pipe (51) is fixedly communicated with an air outlet pipe (53).

Images