CN213151327U

CN213151327U - Noise reduction device for power distribution cabinet

Info

Publication number: CN213151327U
Application number: CN202021987019.7U
Authority: CN
Inventors: 陈从文; 王泽华
Original assignee: Yunnan Jiangnan Tebian Electric Co ltd
Current assignee: Yunnan Jiangnan Tebian Electric Co ltd
Priority date: 2020-09-12
Filing date: 2020-09-12
Publication date: 2021-05-07
Anticipated expiration: 2030-09-12

Abstract

The utility model discloses a silencing device that makes an uproar falls in switch board technical field, including the switch board main part, fixed welding has four group's bracing pieces on the inner wall of switch board main part rear side, and every upper and lower two sets of a set of fixed plate of bracing piece fixed assembly, it is two sets of fixed plate longitudinal symmetry is provided with the mounting panel, parallel arrangement has three spouts of group about the inner wall about the switch board main part, the activity is equipped with the PLASTIC LAMINATED on the spout, be provided with fire-retardant coil on the PLASTIC LAMINATED, the vent has been seted up to lateral wall top symmetry about the switch board main part, and is two sets of all be provided with dustproof shutter in the vent, and be two sets of the inboard equal fixed whistle box that is equipped. The utility model discloses an above design optimization, simple structure, convenient to use, the amortization noise reduction effect is good, still possesses certain fire-retardant function, and the practicality is strong.

Description

Noise reduction device for power distribution cabinet

Technical Field

The utility model relates to a switch board technical field specifically is a silencing device falls in making an uproar of switch board.

Background

With the development of society, the application of switch boards is more and more extensive, and the switch board in power plant, transformer station has become important power equipment. The distribution cabinet (case) is a final-stage device of a distribution system and is divided into a power distribution cabinet (case), a lighting distribution cabinet (case) and a metering cabinet (case). The power distribution cabinet is a general name of a motor control center. The power distribution cabinet is used in the occasions with dispersed loads and less loops, and the motor control center is used in the occasions with concentrated loads and more loops. They distribute the power of a certain circuit of the upper-level distribution equipment to the nearby loads. This level of equipment should provide protection, monitoring and control of the load. But current switch board can produce very big noise at the operation in-process, influences people's normal life, for this reason, we provide a silencing device that makes an uproar falls in switch board.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a silencing device of making an uproar falls in switch board to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a silencing device that makes an uproar falls in switch board, includes the switch board main part, fixed welding has four group's bracing pieces on the inner wall of switch board main part rear side, and every upper and lower two sets of bracing piece fixed assembly a set of fixed plate, two sets of fixed plate longitudinal symmetry is provided with the mounting panel, inner wall upper and lower parallel arrangement has three spouts of group about the switch board main part, the activity is equipped with the PLASTIC LAMINATED on the spout, be provided with fire-retardant coil on the PLASTIC LAMINATED, the vent has been seted up to lateral wall top symmetry about the switch board main part, and is two sets of all be provided with dustproof shutter in the vent, and is two sets of the inboard equal fixed.

Preferably, switch board main part and cabinet door wall all include interior steel sheet, fire-retardant amortization cotton, outer steel sheet, anti-rust paint layer, it is cotton to be provided with fire-retardant amortization between interior steel sheet and the outer steel sheet, the outer steel sheet outside scribbles anti-rust paint layer.

Preferably, one side of the flame-retardant silencing cotton, which is close to the inner steel plate, is of a honeycomb structure.

Preferably, a plurality of groups of flame-retardant sound-absorbing boards with the same structure are arranged in the sound-absorbing box in parallel, a ventilation cavity is formed between the flame-retardant sound-absorbing boards, and the flame-retardant sound-absorbing boards are all of a bent structure.

Preferably, the two groups of mounting plates are fixedly assembled on the fixing plate through bolts.

Preferably, a door handle is arranged on the cabinet door.

Preferably, a plurality of adjusting holes are uniformly formed in the fixing plate, and a plurality of mounting holes are uniformly formed in the mounting plate.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has reasonable structural design, and the electric appliance element is arranged on the mounting plate by arranging the supporting rod, the fixing plate and the mounting plate and is connected with the power distribution cabinet main body by the supporting rod, so that the transmission of vibration noise can be effectively reduced; the adjusting holes are formed in the fixing plate, so that the upper position and the lower position of the mounting plate can be flexibly adjusted according to mounting requirements; by arranging the fireproof plate, fire can be prevented, electric elements can be protected in a partitioned mode, safety is improved, and meanwhile the interior of the power distribution cabinet can be installed orderly, so that management and maintenance are facilitated; the dustproof shutter is arranged at the vent, so that external dust is prevented from entering the vent, and a dustproof effect is achieved; the sound-absorbing box is arranged on the inner side of the ventilation opening, and the flame-retardant sound-absorbing plate with the bent structure is arranged in the sound-absorbing box in parallel, so that the noise can be effectively absorbed while the ventilation requirement is met; the flame-retardant silencing cotton is arranged between the inner steel plate and the outer steel plate, and one side of the flame-retardant silencing cotton, which is close to the inner steel plate, is in a honeycomb design, so that the noise in the power distribution cabinet can be effectively absorbed, and the purposes of silencing and reducing the noise are achieved; by arranging the moisture-proof pad, the moisture in the power distribution cabinet is prevented from corroding the electrical elements and the power distribution cabinet, and the service life of the device is prolonged; through setting up fire-retardant coil, can prevent the circuit burning fast, reduce the loss. The utility model discloses an above design optimization, simple structure, convenient to use, the amortization noise reduction effect is good, still possesses certain fire-retardant function, and the practicality is strong.

Drawings

FIG. 1 is a schematic view of the overall front 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 an enlarged schematic view of the structure at the position A of the present invention;

fig. 4 is the utility model discloses switch board main part wall part sectional structure schematic diagram.

In the figure: 1. a power distribution cabinet main body; 101. an inner steel plate; 102. flame-retardant silencing cotton; 103. an outer steel plate; 104. a rust-proof paint layer; 2. a support bar; 3. a fixing plate; 301. an adjustment hole; 4. mounting a plate; 401. mounting holes; 5. a bolt; 6. a chute; 7. a fire-proof plate; 8. a flame-retardant coil; 9. a vent; 10. a dustproof shutter; 11. a sound silencing box; 111. a flame retardant acoustic panel; 112. a ventilation cavity; 12. a moisture-proof pad; 13. a cabinet door; 14. a door handle.

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: the utility model provides a silencing device that makes an uproar falls in switch board, including switch board main part 1, fixed welding has four group's bracing pieces 2 on the 1 rear side inner wall of switch board main part, every upper and lower two sets of bracing piece 2 fixed assembly a set of fixed plate 3, the symmetry is provided with mounting panel 4 about two sets of fixed plates 3, inner wall upper and lower parallel arrangement has three group's spouts 6 about switch board main part 1, the activity is equipped with PLASTIC LAMINATED 7 on the spout 6, be provided with fire-retardant coil 8 on the PLASTIC LAMINATED 7, vent 9 has been seted up to lateral wall top symmetry about switch board main part 1, all be provided with dustproof shutter 10 in two sets of vent 9, the inboard equal fixed assembly of two sets of vent 9 has.

The power distribution cabinet main body 1 and the cabinet door 13 both comprise an inner steel plate 101, flame-retardant silencing cotton 102, an outer steel plate 103 and an antirust paint layer 104, the flame-retardant silencing cotton 102 is arranged between the inner steel plate 101 and the outer steel plate 103, the antirust paint layer 104 is coated on the outer side of the outer steel plate 103, and the antirust paint layer 104 plays a role in protecting the whole power distribution cabinet;

one side of the flame-retardant silencing cotton 102, which is close to the inner steel plate 101, is of a honeycomb structure, so that noise can be absorbed more conveniently;

a plurality of groups of flame-retardant sound-absorbing boards 111 with the same structure are arranged in parallel in the sound-absorbing box 11, a ventilation cavity 112 is formed between the flame-retardant sound-absorbing boards 111, and the flame-retardant sound-absorbing boards 111 are all of a bent structure, so that noise can be effectively absorbed while the ventilation requirement is met;

the two groups of mounting plates 4 are fixedly assembled on the fixing plate 3 through bolts 5;

a door handle 14 is arranged on the cabinet door 13;

a plurality of adjusting holes 301 are uniformly formed in the fixing plate 3, the adjusting holes 301 facilitate flexible adjustment of the upper and lower positions of the mounting plate 4 according to mounting requirements, and a plurality of mounting holes 401 are uniformly formed in the mounting plate 4 to facilitate mounting of electronic components;

the working principle is as follows: the utility model has reasonable structural design, and the electric appliance element is arranged on the mounting plate 4 by arranging the support rod 2, the fixing plate 3 and the mounting plate 4 and is connected with the power distribution cabinet main body 1 by the support rod 2, so that the transmission of vibration noise can be effectively reduced; the adjusting holes 301 are formed in the fixing plate 3, so that the upper position and the lower position of the mounting plate 4 can be flexibly adjusted according to mounting requirements; by arranging the fireproof plate 7, fire can be prevented, electric elements can be protected in a partitioned mode, safety is improved, and meanwhile the interior of the power distribution cabinet can be installed orderly, so that management and maintenance are facilitated; the dustproof shutter 10 is arranged at the ventilation opening 9, so that external dust is prevented from entering the ventilation opening, and a dustproof effect is achieved; the muffling box 11 is arranged on the inner side of the ventilation opening 9, and the flame-retardant acoustic board 111 with the bent structure is arranged in the muffling box 11 in parallel, so that the noise can be effectively absorbed while the ventilation requirement is met; the flame-retardant silencing cotton 102 is arranged between the inner steel plate 101 and the outer steel plate 103, and one side, close to the inner steel plate 101, of the flame-retardant silencing cotton 102 is in a honeycomb design, so that the noise in the power distribution cabinet can be effectively absorbed, and the purposes of silencing and reducing the noise are achieved; by arranging the moisture-proof pad 12, the moisture in the power distribution cabinet is prevented from corroding electrical elements and the power distribution cabinet, and the service life of the device is prolonged; through setting up fire-retardant coil 8, can prevent the circuit burning fast, reduce the loss. The utility model discloses an above design optimization, simple structure, convenient to use, the amortization noise reduction effect is good, still possesses certain fire-retardant function, and 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 a silencing device of making an uproar falls in switch board, includes switch board main part (1), its characterized in that: four groups of supporting rods (2) are fixedly welded on the inner wall of the rear side of the power distribution cabinet main body (1), a group of fixing plates (3) are fixedly assembled on every two groups of supporting rods (2), mounting plates (4) are symmetrically arranged on the two groups of fixing plates (3) from top to bottom, three groups of sliding chutes (6) are arranged on the left inner wall and the right inner wall of the power distribution cabinet main body (1) in parallel up and down, a fireproof plate (7) is movably assembled on the sliding groove (6), a flame-retardant coil (8) is arranged on the fireproof plate (7), the top ends of the left side wall and the right side wall of the power distribution cabinet main body (1) are symmetrically provided with ventilation openings (9), dust-proof shutters (10) are respectively arranged in the two groups of ventilation openings (9), silencing boxes (11) are fixedly arranged on the inner sides of the two groups of ventilation openings (9), the power distribution cabinet is characterized in that a moisture-proof pad (12) is arranged at the bottom end inside the power distribution cabinet main body (1), and a cabinet door (13) is movably hinged to the front side of the power distribution cabinet main body (1).

2. The noise reduction and silencing device for the power distribution cabinet according to claim 1, wherein: switch board main part (1) and cabinet door (13) wall all include interior steel sheet (101), fire-retardant amortization cotton (102), outer steel sheet (103), anti-rust paint layer (104), be provided with between interior steel sheet (101) and outer steel sheet (103) fire-retardant amortization cotton (102), the outer steel sheet (103) outside scribbles anti-rust paint layer (104).

3. The noise reduction and silencing device for the power distribution cabinet according to claim 2, characterized in that: one side of the flame-retardant silencing cotton (102) close to the inner steel plate (101) is of a honeycomb structure.

4. The noise reduction and silencing device for the power distribution cabinet according to claim 1, wherein: the sound-absorbing box is characterized in that a plurality of groups of flame-retardant sound-absorbing boards (111) with the same structure are arranged in parallel in the sound-absorbing box (11), ventilating cavities (112) are formed among the flame-retardant sound-absorbing boards (111), and the flame-retardant sound-absorbing boards (111) are all of bent structures.

5. The noise reduction and silencing device for the power distribution cabinet according to claim 1, wherein: and the two groups of mounting plates (4) are fixedly assembled on the fixing plate (3) through bolts (5).

6. The noise reduction and silencing device for the power distribution cabinet according to claim 1, wherein: the cabinet door (13) is provided with a door handle (14).

7. The noise reduction and silencing device for the power distribution cabinet according to claim 1, wherein: a plurality of adjusting holes (301) are uniformly formed in the fixing plate (3), and a plurality of mounting holes (401) are uniformly formed in the mounting plate (4).