CN211556539U

CN211556539U - In put cabinet with noise reduction function

Info

Publication number: CN211556539U
Application number: CN201921873096.7U
Authority: CN
Inventors: 张圣德
Original assignee: Shenzhen Jiayuan Electric Power Co ltd
Current assignee: Shenzhen Jiayuan Electric Power Co ltd
Priority date: 2019-11-03
Filing date: 2019-11-03
Publication date: 2020-09-22
Anticipated expiration: 2029-11-03

Abstract

The utility model discloses an in put cabinet with noise reduction function, put cabinet, first bracing piece, backup pad and radiator-grid in including outer box plate, put the sound hole of inhaling in the outer box plate, the one end fixedly connected with who inhales the sound cotton of inhaling the sound hole, the other end fixedly connected with immersion oil insulated paper who inhales the sound hole, the one end fixedly connected with snubber block of connecting rod, the embedded sleeve that has in the snubber block, the one end fixed connection that first bracing piece passed first spring is at first fixed block, the slide rail has been seted up in the backup pad, the slide rail is connected with the slider block, slider fixed connection is in the below of putting the cabinet in, in put fixedly connected with radiator-grid on the cabinet. The sound hole is inhaled, sound cotton and immersion oil insulated paper are inhaled to being provided with in this put cabinet with noise reduction function, and inhale the sound hole and set up a plurality of on the outer box body board equidistance, inhale the sound hole and will inhale the sound hole and cover completely with immersion oil insulated paper, can effectively reduce and put the noise that the cabinet during operation produced in the cabinet.

Description

In put cabinet with noise reduction function

Technical Field

The utility model relates to an in put cabinet technical field, specifically be an in put cabinet with noise reduction function.

Background

The centrally installed switchgear is fully called as metal armored centrally installed withdrawable switchgear. The indoor complete set of distribution equipment belongs to a high-voltage distribution equipment, the highest working voltage of which is 3.6/7.2/12kV, and is a three-phase alternating-current 50Hz single-bus segmented system or double-bus segmented system. The device is used for receiving and distributing network power of 3.6-12kV, and carrying out control protection, monitoring and measurement on a power circuit. The central switch cabinet is mainly used for power plant, power transmission of small and medium-sized generators, power receiving and power transmission of secondary substation of power system, power distribution of industrial and mining enterprises and institutions, starting of large-scale high-voltage motors and the like.

However, when the centrally installed switchgear works, noise is generated, and particularly, the centrally installed switchgear has great damage to the health of operation and maintenance workers and surrounding residents, and particularly, the influence on the work and life of people at night is serious.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an in put cabinet with noise reduction function to solve the problem that the noise that produces when putting cabinet work in the existing market that above-mentioned background art provided influences people's work and life.

In order to achieve the above object, the utility model provides a following technical scheme: a middle-placed cabinet with a noise reduction function comprises an outer box body plate, a middle-placed cabinet, a first supporting rod, a supporting plate and a radiating net, wherein a sound absorption hole is formed in the outer box body plate, one end of the sound absorption hole is fixedly connected with sound absorption cotton, the other end of the sound absorption hole is fixedly connected with oil immersion insulating paper, wherein,

put and cashier's office in a shop fixedly connected with connecting rod, the one end fixedly connected with snubber block of connecting rod, it has the sleeve to embed in the snubber block, the one end fixed connection that first bracing piece passed first spring is at first fixed block, first fixed block fixed connection is on the inside wall of outer box body board, the one end fixed connection that first bracing piece passed the second spring is on the second fixed block, second fixed block fixed connection is on the inside wall of outer box body board, the slide rail has been seted up in the backup pad, the slide rail is connected with the slider block, slider fixed connection is in the below of putting the cabinet in, put cashier's office in a shop fixedly connected with radiator-grid.

Preferably, the sound absorbing holes are formed in the outer box body plate at equal intervals.

Preferably, the connecting rods, the damping blocks, the sleeves, the first springs, the first supporting rods, the first fixing blocks, the second springs and the second fixing blocks are symmetrically arranged in two groups around the central axis of the centrally-mounted switchgear.

Preferably, the sleeve, the first spring, the first support rod and the second spring constitute a shock-absorbing structure.

Preferably, the diameter of the sleeve is larger than the diameter of the first support rod and smaller than the diameter of the first spring and the second spring.

Preferably, the slide rail and the slider are connected in a clamping manner and are symmetrically provided with two groups about the central axis of the support plate to form a sliding structure.

Preferably, the heat dissipation holes in the heat dissipation net are rhombic.

Compared with the prior art, the beneficial effects of the utility model are that: this in put cabinet with noise reduction function:

1. the sound absorption holes, the sound absorption cotton and the oil immersion insulating paper are arranged, the sound absorption holes are arranged on the outer box body plate at equal intervals, the sound absorption holes are completely covered by the sound absorption holes and the oil immersion insulating paper, and noise generated when the middle cabinet works can be effectively reduced;

2. the middle-placed cabinet is provided with a connecting rod, a damping block, a sleeve, a first spring, a first supporting rod, a first fixing block, a second spring and a second fixing block, wherein the connecting rod, the damping block, the sleeve, the first spring, the first supporting rod, the first fixing block, the second spring and the second fixing block are symmetrically arranged in two groups relative to the central axis of the middle-placed cabinet;

3. be provided with the radiator-grid, and the louvre on the radiator-grid is the rhombus, can in time effectually distribute away the heat that the cabinet during operation produced in will putting.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged view of the part a structure of the present invention.

In the figure: 1. an outer case plate; 2. a sound absorption hole; 3. sound-absorbing cotton; 4. oil-impregnated insulating paper; 5. a middle cabinet; 6. a connecting rod; 7. a damper block; 8. a sleeve; 9. a first spring; 10. a first support bar; 11. a first fixed block; 12. a second spring; 13. a second fixed block; 14. a support plate; 15. a slide rail; 16. a slider; 17. a heat-dissipating network.

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. 1-3, the present invention provides a technical solution: a middle cabinet with a noise reduction function comprises an outer box body plate 1, a sound absorption hole 2, sound absorption cotton 3, oil immersion insulating paper 4, a middle cabinet 5, a connecting rod 6, a damping block 7, a sleeve 8, a first spring 9, a first supporting rod 10, a first fixing block 11, a second spring 12, a second fixing block 13, a supporting plate 14, a sliding rail 15, a sliding block 16 and a radiating net 17, wherein the sound absorption hole 2 is formed in the outer box body plate 1, the sound absorption hole 2 is formed in the outer box body plate 1 at equal distances and can uniformly absorb noise generated by the middle cabinet 5, one end of the sound absorption hole 2 is fixedly connected with the sound absorption cotton 3, the other end of the sound absorption hole 2 is fixedly connected with the oil immersion insulating paper 4, and the noise reduction function is achieved,

in put fixedly connected with connecting rod 6 on cabinet 5, the one end fixedly connected with snubber block 7 of connecting rod 6, it has sleeve 8 to embed in the snubber block 7, the one end fixed connection that first bracing piece 10 passed first spring 9 is on first fixed block 11, first fixed block 11 fixed connection is on the inside wall of outer box board 1, the one end fixed connection that first bracing piece 10 passed second spring 12 is on second fixed block 13, the diameter of sleeve 8 is greater than the diameter that first bracing piece 10 is less than first spring 9 and second spring 12, just so can make sleeve 8 slide from top to bottom on first bracing piece 10 under first spring 9 and second spring 12 effect, second fixed block 13 fixed connection is on the inside wall of outer box board 1, connecting rod 6, snubber block 7, sleeve 8, first spring 9, first bracing piece 10, first fixed block 11, Second spring 12 and second fixed block 13 are provided with two sets ofly about the central axis symmetry of putting in cabinet 5, sleeve 8, first spring 9, first bracing piece 10 and second spring 12 constitute shock-absorbing structure, when putting 5 work of cabinet and producing vibrations, slow down vibrations under the effect of sleeve 8, first spring 9, first bracing piece 10 and second spring 12, slide rail 15 has been seted up in the backup pad 14, slide rail 15 is connected with 16 block of slider, 16 fixed connection of slider is in the below of putting in cabinet 5, put fixedly connected with radiator-grid 17 on cabinet 5 in, the louvre on the radiator-grid 17 is the rhombus, and the heat that can be timely effectual will put 5 during operations of cabinet and produce distributes away.

The working principle is as follows: when the centrally-mounted cabinet with the noise reduction function is used, firstly, the device is simply known, when the centrally-mounted cabinet 5 starts to work, noise is generated, the noise is firstly blocked by the oil-impregnated insulating paper 4, then, the noise is uniformly absorbed by the absorption sound holes 2 and then is absorbed by the sound absorption cotton 3, so that when the noise is transmitted out of the outer box body plate 1, the noise is very little, when the centrally-mounted cabinet 5 starts to work, the centrally-mounted cabinet starts to vibrate up and down, the sleeve 8 slides up and down on the first supporting rod 10 under the action of the first spring 9 and the second spring 12 to slow down the vibration, meanwhile, the noise generated by the vibration is also small, when the centrally-mounted cabinet 5 starts to work, the vibration in the vertical direction can be generated, meanwhile, the vibration in the front-back direction can be generated, at the moment, the sliding block 16 slides back and forth on the sliding rail 15 in a small range to reduce the vibration, and meanwhile, the sliding block 16 is connected with, the friction between them is small and hardly generates noise, and what is not described in detail in this description is known to those skilled in the art.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a put cabinet in with noise reduction function, includes outer box board (1), put cabinet (5), first bracing piece (10), backup pad (14) and radiator-grid (17), its characterized in that in: a sound absorption hole (2) is arranged in the outer box body plate (1), one end of the sound absorption hole (2) is fixedly connected with sound absorption cotton (3), the other end of the sound absorption hole (2) is fixedly connected with oil immersion insulating paper (4), wherein,

a connecting rod (6) is fixedly connected on the middle-placed cabinet (5), one end of the connecting rod (6) is fixedly connected with a damping block (7), a sleeve (8) is embedded in the damping block (7), the first supporting rod (10) penetrates through one end of the first spring (9) and is fixedly connected to the first fixing block (11), the first fixing block (11) is fixedly connected on the inner side wall of the outer box body plate (1), one end of the first supporting rod (10) passing through the second spring (12) is fixedly connected to the second fixed block (13), the second fixing block (13) is fixedly connected on the inner side wall of the outer box body plate (1), a slide rail (15) is arranged on the supporting plate (14), the slide rail (15) is clamped and connected with a slide block (16), the sliding block (16) is fixedly connected below the middle-placed cabinet (5), and the heat dissipation net (17) is fixedly connected to the middle-placed cabinet (5).

2. A center cabinet with a noise reduction function according to claim 1, wherein: the sound absorbing holes (2) are formed in the outer box body plate (1) at equal intervals.

3. A center cabinet with a noise reduction function according to claim 1, wherein: the connecting rod (6), the damping block (7), the sleeve (8), the first spring (9), the first supporting rod (10), the first fixing block (11), the second spring (12) and the second fixing block (13) are symmetrically arranged in two groups around the central axis of the centrally-mounted cabinet (5).

4. A center cabinet with a noise reduction function according to claim 1, wherein: the sleeve (8), the first spring (9), the first support rod (10) and the second spring (12) form a damping structure.

5. A center cabinet with a noise reduction function according to claim 1, wherein: the diameter of the sleeve (8) is larger than the diameter of the first supporting rod (10) and smaller than the diameter of the first spring (9) and the second spring (12).

6. A center cabinet with a noise reduction function according to claim 1, wherein: the slide rails (15) and the slide blocks (16) are connected in a clamping manner and are symmetrically arranged in two groups about the central axis of the support plate (14) to form a sliding structure.

7. A center cabinet with a noise reduction function according to claim 1, wherein: the radiating holes in the radiating net (17) are rhombic.