CN212811040U

CN212811040U - Draw-out type energy-saving low-voltage switch cabinet

Info

Publication number: CN212811040U
Application number: CN202021686270.XU
Authority: CN
Inventors: 贾志鹏
Original assignee: Yunnan Hejiaxing Electrical Equipment Co ltd
Current assignee: Yunnan Hejiaxing Electrical Equipment Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-03-26
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a draw-out type energy-saving low-voltage switch cabinet in the technical field of low-voltage switch cabinets, which comprises a cabinet body, the inner cavity of the cabinet body is divided into a ventilation cavity and a working cavity by a ventilation partition plate, a first guide plate is arranged in the middle of the ventilation cavity, air inlets are arranged on the left side wall and the right side wall of the ventilation cavity, dustproof filter screens are arranged on the inner sides of the two groups of air inlets, fans are arranged on the inner sides of the two groups of dustproof filter screens, two groups of cross arms are arranged above the ventilation partition plate in parallel, drawer placing frames are fixedly assembled on the two groups of cross arms, a temperature sensor is arranged at the top end of the drawer placing frame, a PLC controller is arranged on the right side wall of the working cavity, the top of the working chamber is fixedly provided with an electrostatic dust collector, the bottom end of the electrostatic dust collector is provided with a dust collecting hopper, the left side and the right side of the electrostatic dust collector are symmetrically provided with second guide plates, and the left side wall and the right side wall of the working cavity are symmetrically provided with dustproof shutters. Simple structure, the radiating effect is good, the energy saving, the practicality is strong.

Description

Draw-out type energy-saving low-voltage switch cabinet

Technical Field

The utility model relates to a low-voltage switchgear technical field specifically is an energy-conserving low-voltage switchgear of pull-out type.

Background

The low-voltage switch cabinet is suitable for industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings and the like, and is used for power transmission, power distribution and electric energy conversion. The drawer type switch cabinet is a closed shell made of steel plates, and electric elements of the wire inlet and outlet loop are all installed in the drawer capable of being pulled out, so that a functional unit capable of completing a certain type of power supply task is formed. The functional units are separated from the bus or cable by a grounded functional board. The drawer type switch cabinet has higher reliability, safety and interchangeability, is a more advanced switch cabinet, and most of the switch cabinets produced at present are drawer type switch cabinets. The power distribution center is suitable for industrial and mining enterprises and high-rise buildings which require high power supply reliability and serves as a centralized control power distribution center.

But drawer type switch cabinet can produce the heat at the operation in-process, and the heat accumulation can influence electronic components's normal work, increases the energy consumption, reduces life, can initiate the hot house even. Although the existing drawer type switch cabinet is provided with a heat dissipation device, the heat dissipation effect is still poor, and great energy loss is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an energy-conserving low-voltage switchgear of pull-out type to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a draw-out type energy-saving low-voltage switch cabinet comprises a cabinet body, wherein a ventilation partition plate is fixedly assembled on the side wall at the bottom of the inner cavity of the cabinet body, the cabinet body is divided into a ventilation cavity and a working cavity through the ventilation partition plate, a first guide plate is fixedly assembled at the middle position of the ventilation cavity, air inlets are respectively formed in the left side wall and the right side wall of the ventilation cavity, dustproof filter screens are respectively arranged at the inner sides of two groups of the air inlets, fans are respectively arranged at the inner sides of two groups of the dustproof filter screens, two groups of cross arms with the same structure are arranged above the ventilation partition plate in a front-back parallel mode, the two groups of the cross arms are fixedly assembled on the left side wall and the right side wall of the working cavity, a drawer placing frame is fixedly assembled on the two groups of the cross arms, a functional drawer is movably assembled in the, the dust collector is characterized in that a dust collecting hopper is arranged at the bottom end of the electrostatic dust collector, second guide plates are symmetrically arranged on the left side and the right side of the electrostatic dust collector, dustproof shutters are symmetrically arranged on the left side wall and the right side wall of the working cavity, and four groups of hollow plates with the same structure are arranged on the rear side wall of the working cavity from top to bottom.

Preferably, a plurality of ventilation holes with the same structure are uniformly formed in the ventilation partition plate.

Preferably, a horizontal wiring area, a vertical wiring area, a cable area and a grounding wire area are formed among the four groups of hollow plates, and through holes are formed in the four groups of hollow plates.

Preferably, the drawer placing frame is a hollow frame, a plurality of cavities are arranged in the drawer placing frame, sliding assemblies and reinforcing ribs are arranged in the cavities, the sliding assemblies are symmetrically arranged in each cavity, and the functional drawers are movably assembled on the sliding assemblies.

Preferably, the fan, the temperature sensor and the electrostatic dust collector are all electrically connected with the PLC.

Preferably, the first guide plate and the second guide plate are both in arc-shaped design, and the two groups of second guide plates are fixedly assembled on the left side and the right side of the top of the working cavity respectively.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structure design, and two groups of fans are arranged at the bottom of the cabinet body to blow and ventilate the interior of the cabinet body from the bottom, thereby ensuring smooth air circulation in the cabinet body and heat exchange with the outside; the first guide plate is arranged to guide wind to blow into the cabinet body; the ventilation partition plates are arranged to disperse the air blown by the fan, so that electronic components in the cabinet body are uniformly blown and cooled, and the heat dissipation is more sufficient; the drawer placing frame is a hollow frame, so that the contact area of the electronic component and the air is increased, the heat dissipation efficiency is enhanced, and the heat dissipation effect is better; the horizontal wiring area, the vertical wiring area, the cable area and the grounding wire area are separated by the hollow plate, so that the line typesetting is orderly and orderly, and the installation and the maintenance are convenient; by arranging the temperature sensor and the PLC, the temperature in the cabinet body is increased, the fan is started to cool, the temperature is reduced, and the fan is closed, so that the problem that the fan operates all the time, energy waste is caused, and energy is saved; by arranging the electrostatic dust collector, dust in the cabinet body is adsorbed, so that the dust is prevented from influencing the normal work of electronic components; through setting up dustproof filter screen and dustproof shutter, prevent that the dust from getting into the cabinet body from the external world. The utility model discloses an above design optimization, simple structure, the radiating effect is good, the energy saving, the practicality is strong.

Drawings

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

FIG. 2 is a schematic view of the overall left-side sectional structure of the present invention;

FIG. 3 is a schematic top view of the drawer placement frame of the present invention;

fig. 4 is a schematic view of the ventilation partition structure of the present invention.

In the figure: 1. a cabinet body; 101. a ventilation cavity; 102. a working chamber; 2. a ventilation baffle; 201. a vent hole; 3. a first baffle; 4. an air inlet; 5. a dustproof filter screen; 6. a fan; 7. a cross arm; 8. a drawer placing rack; 801. a sliding assembly; 802. reinforcing ribs; 9. a functional drawer; 10. a temperature sensor; 11. a PLC controller; 12. an electrostatic precipitator; 13. a dust collecting hopper; 14. a second baffle; 15. a dustproof shutter; 16. a hollowed-out plate; 17. a horizontal wiring region; 18. a vertical wiring region; 19. a cable zone; 20. a ground line region.

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.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, the present invention provides a technical solution: a draw-out type energy-saving low-voltage switch cabinet comprises a cabinet body 1, wherein a ventilation partition plate 2 is fixedly assembled on the side wall at the bottom of the inner cavity of the cabinet body 1, the cabinet body 1 is divided into a ventilation cavity 101 and a working cavity 102 through the ventilation partition plate 2, a first guide plate 3 is fixedly assembled at the middle position of the ventilation cavity 101, air inlets 4 are respectively formed in the left side wall and the right side wall of the ventilation cavity 101, dustproof filter screens 5 are respectively arranged at the inner sides of the two groups of air inlets 4, fans 6 are respectively arranged at the inner sides of the two groups of dustproof filter screens 5, two groups of cross arms 7 with the same structure are arranged in parallel in front of and behind the upper part of the ventilation partition plate 2, the two groups of cross arms 7 are fixedly assembled on the left side wall and the right side wall of the working cavity 102, drawer placing frames 8 are fixedly assembled on the two groups of cross arms 7, functional drawers, the bottom end of the electrostatic dust collector 12 is provided with a dust collecting hopper 13, the left side and the right side of the electrostatic dust collector 12 are symmetrically provided with second guide plates 14, the left side wall and the right side wall of the working chamber 102 are symmetrically provided with dustproof shutters 15, and the rear side wall of the working chamber 102 is provided with four groups of hollow plates 16 with the same structure from top to bottom.

A plurality of vent holes 201 with the same structure are uniformly formed in the ventilation partition plate 2, so that wind is uniformly blown into the cabinet body 1, and the heat dissipation is more comprehensive;

a horizontal wiring area 17, a vertical wiring area 18, a cable area 19 and a ground wire area 20 are formed among the four groups of hollow plates 16, and through holes are formed in the four groups of hollow plates 16, so that ventilation is ensured, and heat can be discharged in time;

the drawer placing frame 8 is a hollow frame, a plurality of cavities are arranged in the drawer placing frame 8, sliding assemblies 801 and reinforcing ribs 802 are arranged in the cavities, the sliding assemblies 801 are symmetrically arranged in each cavity, and the functional drawers 9 are movably assembled on the sliding assemblies 801, so that the installation and the maintenance are convenient;

the fan 6, the temperature sensor 10 and the electrostatic dust collector 12 are electrically connected with the PLC 11;

the first guide plate 3 and the second guide plate 14 are both arc-shaped, and the two groups of second guide plates 14 are respectively fixedly assembled at the left side and the right side of the top of the working cavity 102, so that air circulation is smooth;

the working principle is as follows: the utility model has reasonable structural design, and the two groups of fans 6 are arranged at the bottom of the cabinet body 1 to blow and ventilate the interior of the cabinet body 1 from the bottom, so as to ensure smooth air circulation in the cabinet body 1 and exchange heat with the outside; the first guide plate 3 is arranged to guide wind to blow into the cabinet body 1; the ventilation partition plate 2 is arranged to disperse the air blown by the fan 6, so that electronic components in the cabinet body 1 are uniformly blown and cooled, and the heat dissipation is more sufficient; the drawer placing frame 8 is a hollow frame, so that the contact area of the electronic component and the air is increased, the heat dissipation efficiency is enhanced, and the heat dissipation effect is better; the air with heat is blown out of the dustproof louver 15 under the flow guiding action of the second flow guiding plate 14; the horizontal wiring area 17, the vertical wiring area 18, the cable area 19 and the grounding wire area 20 which are separated by the hollow plate 16 are arranged, so that the line typesetting is orderly and orderly, and the installation and the maintenance are convenient; by arranging the temperature sensor 10 and the PLC 11, when the temperature in the cabinet body 1 exceeds the threshold value of the temperature sensor 10, the PLC 11 controls the fan 6 to operate, the interior of the cabinet body 1 is blown and cooled, the temperature is reduced to turn off the fan 6, the phenomenon that the fan 6 operates all the time, energy waste is caused, and energy is saved; by arranging the electrostatic dust collector 12, dust in the cabinet body 1 is adsorbed, so that the dust is prevented from influencing the normal work of electronic components; through set up dustproof filter screen 5 and set up dustproof shutter 15 on cabinet body 1 top in air intake 4 department, prevent that the dust from the external world from getting into cabinet body 1. The utility model discloses an above design optimization, simple structure, the radiating effect is good, the energy saving, the practicality is strong.

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 utility model provides an energy-conserving low-voltage switchgear of pull-out type, includes cabinet body (1), its characterized in that: the cabinet is characterized in that a ventilation partition plate (2) is fixedly assembled on the side wall of the bottom of an inner cavity of the cabinet body (1), the cabinet body (1) is divided into a ventilation cavity (101) and a working cavity (102) through the ventilation partition plate (2), a first guide plate (3) is fixedly assembled at the middle position of the ventilation cavity (101), air inlets (4) are respectively formed in the left side wall and the right side wall of the ventilation cavity (101), dustproof filter screens (5) are respectively arranged in the two groups of air inlets (4), fans (6) are respectively arranged in the two groups of dustproof filter screens (5), two groups of cross arms (7) with the same structure are parallelly arranged in front of and behind the upper part of the ventilation partition plate (2), the two groups of cross arms (7) are fixedly assembled on the left side wall and the right side wall of the working cavity (102), drawer placing frames (8) are fixedly assembled on the two groups of, the drawer placing rack (8) is provided with temperature sensor (10) on the top, be provided with PLC controller (11) on working chamber (102) right side wall, fixed assembly has electrostatic precipitator (12) at working chamber (102) top, electrostatic precipitator (12) bottom is provided with dust hopper (13), electrostatic precipitator (12) left and right sides bilateral symmetry is provided with second guide plate (14), the symmetry is provided with dustproof shutter (15) on the lateral wall about working chamber (102), top-down is provided with the same fretwork board of four group structures (16) on the lateral wall behind working chamber (102).

2. The draw-out energy-saving low-voltage switch cabinet according to claim 1, characterized in that: a plurality of ventilation holes (201) with the same structure are uniformly formed in the ventilation partition plate (2).

3. The draw-out energy-saving low-voltage switch cabinet according to claim 1, characterized in that: horizontal wiring areas (17), vertical wiring areas (18), cable areas (19) and grounding wire areas (20) are formed among the four groups of hollow plates (16), and through holes are formed in the four groups of hollow plates (16).

4. The draw-out energy-saving low-voltage switch cabinet according to claim 1, characterized in that: drawer rack (8) are the fretwork frame, be provided with a plurality of cavities in drawer rack (8), just all be provided with sliding component (801) and strengthening rib (802) in the cavity, sliding component (801) all is the symmetry setting in every cavity, function drawer (9) activity assembly is on sliding component (801).

5. The draw-out energy-saving low-voltage switch cabinet according to claim 1, characterized in that: the fan (6), the temperature sensor (10) and the electrostatic dust collector (12) are electrically connected with the PLC (11).

6. The draw-out energy-saving low-voltage switch cabinet according to claim 1, characterized in that: the first guide plate (3) and the second guide plate (14) are both in arc-shaped design, and the two groups of second guide plates (14) are fixedly assembled on the left side and the right side of the top of the working cavity (102) respectively.