CN211183056U

CN211183056U - Dynamic reactive compensation harmonic cabinet of making an uproar falls in fire prevention

Info

Publication number: CN211183056U
Application number: CN201922500599.6U
Authority: CN
Inventors: 杨林中; 李斌
Original assignee: Hangzhou Linye Electric Automation Co ltd
Current assignee: Hangzhou Linye Electric Automation Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-04
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a fireproof noise reduction dynamic reactive compensation harmonic cabinet, which comprises a cabinet body which is provided with a cavity and is integrally formed by steel, wherein the cabinet body is provided with an opening communicated with the cavity; an aluminum plate for heat dissipation is connected to the inside of the cabinet body, an industrial felt for noise reduction is further arranged on the aluminum plate, and the industrial felt is bonded to the aluminum plate through heat-conducting glue; the end face, far away from the aluminum plate, of the industrial felt is provided with a plurality of protrusions which are arranged on the industrial felt in a matrix mode, and the cross section of each protrusion is trapezoidal. The utility model discloses lean on the big and problem that the radiating efficiency is low of axial fan noise removal completely to current harmonic cabinet and improve. The utility model has the advantages of good fireproof performance and low noise.

Description

Dynamic reactive compensation harmonic cabinet of making an uproar falls in fire prevention

Technical Field

The utility model relates to a harmonic cabinet technical field especially involves a dynamic reactive compensation harmonic cabinet of making an uproar falls in fire prevention.

Background

The harmonic cabinet is a device for filtering harmonic in an electric power system, and a large number of electronic elements are installed in the cabinet body, so that a large amount of heat can be generated during operation. In order to prevent the electric appliance from being burnt, an axial flow fan is generally installed in the harmonic cabinet for ventilation and heat dissipation. However, the existing harmonic cabinet has the following defects:

1. the axial flow fan is started in the whole course to generate a large amount of noise;

2. the devices in the harmonic cabinet are densely installed, the heat dissipation efficiency is low if the devices are completely radiated by the axial flow fan, the fire condition is easy to occur, and the safety factor is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a dynamic reactive compensation harmonic cabinet of making an uproar falls in fire prevention to the harmonic cabinet among the solution prior art leans on axial fan noise heat dissipation big and the low level technical problem of radiating efficiency completely.

The utility model discloses a realize through following technical scheme: the utility model discloses a fireproof noise reduction dynamic reactive compensation harmonic cabinet, which comprises a cabinet body which is provided with a cavity and is integrally formed by steel, wherein the cabinet body is provided with an opening communicated with the cavity;

an aluminum plate for heat dissipation is connected to the inside of the cabinet body, an industrial felt for noise reduction is further arranged on the aluminum plate, and the industrial felt is bonded to the aluminum plate through heat-conducting glue;

the industrial felt is provided with a plurality of bulges on the end surface far away from the aluminum plate, the bulges are arranged on the industrial felt in a matrix manner, and the cross section of each bulge is trapezoidal.

Preferably, the thickness of the aluminum plate is 1.5mm or 2.0 mm.

The aluminum plate with the thickness of 1.5mm or 2.0mm is the conventional aluminum plate specification in the existing market, and has low processing cost and convenient purchase.

Preferably, the cabinet body includes the diapire, laid line hole has been seted up on the diapire, it has fire prevention mud all to fill to lay in the line hole and the diapire, with be provided with the restriction on the lateral wall that the diapire contacted the limiting plate of fire prevention mud height.

The limiting plate is arranged to prevent the excessive thickness of the fire-proof mud from affecting the installation and laying of other devices in the cabinet body.

Preferably, the inner wall level of the cabinet body is provided with a device mounting table, and a plurality of mounting holes are formed in the device mounting table.

The device mounting table is convenient for layering and laying of devices, and is beneficial to improving the flatness of the devices, and the mounting holes can facilitate assembly and wiring of the devices.

Preferably, the cabinet body is further provided with a cabinet door for sealing the opening, and the cabinet door is hinged with the cabinet body through a hinge.

Preferably, a rubber pad for sealing is bonded on the cabinet door.

The setting of rubber pad has improved the leakproofness between this cabinet door and the cabinet body, promotes the performance that has optimized this harmonic cabinet.

The utility model discloses a fireproof noise reduction dynamic reactive compensation harmonic cabinet, compared with the prior art, an aluminum plate and an industrial felt are arranged in a cabinet body made of a steel plate, the industrial felt is a sound absorption material with good fireproof performance and can effectively absorb noise generated during the operation of an axial flow fan, and the protrusion on the industrial felt is arranged to increase the contact area and improve the sound absorption effect; the heat that industry felt converts the noise into passes through aluminum plate to the external heat conduction of cabinet, can improve the heat dispersion of this harmonic cabinet, improves its fire behavior.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a sectional view of a part of the cabinet body of the present invention.

The attached drawings are marked as follows: 1. a cabinet body; 2. an aluminum plate; 3. industrial felts; 4. a protrusion; 5. a bottom wall; 6. laying wire holes; 7. a limiting plate; 8. a device mounting table; 9. mounting holes; 10. a cabinet door; 11. a hinge; 12. and (7) a rubber pad.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.

Example 1

Referring to fig. 1-2, a fire-proof noise-reduction dynamic reactive compensation harmonic cabinet includes a cabinet body 1 having a cavity and integrally formed by steel, the cabinet body 1 having an opening communicated with the cavity;

an aluminum plate 2 used for heat dissipation is connected to the inside of the cabinet body 1, the aluminum plate 2 is connected with steel through hot pressing, an industrial felt 3 used for noise reduction is further arranged on the aluminum plate 2, and the industrial felt 3 is bonded to the aluminum plate 2 through heat conducting glue; the thickness of the aluminum plate 2 is 1.5mm or 2.0 mm.

The industrial felt 3 can only be arranged on the top and the side wall of the cabinet body 1, a plurality of protrusions 4 are arranged on the end face, far away from the aluminum plate 2, of the industrial felt 3, the protrusions 4 are arranged on the industrial felt 3 in a matrix mode, the cross section of each protrusion 4 is trapezoidal, and the protrusions 4 and the industrial felt 3 are integrally formed during production and convenient to process.

The cabinet body 1 includes diapire 5, has seted up on diapire 5 and has spread line hole 6, spreads in the line hole 6 and diapire 5 all fills has fire prevention mud, is provided with limiting plate 7 of restriction fire prevention mud height on the lateral wall with diapire 5 contacts.

The inner wall level of the cabinet body 1 is provided with a device mounting table 8, the device mounting table 8 can be fixed on the cabinet body 1 through threads, and a plurality of mounting holes 9 are formed in the device mounting table 8. The device mounting table 8 is provided with a space for mounting the axial flow fan on the wall of the cabinet opposite to the opening. The industrial felt 3 is also provided with an air guide hole for enabling an air duct of the axial flow fan to be smooth. The cabinet body 1 is also provided with a cabinet door 10 with a sealed opening, and the cabinet door 10 is hinged with the cabinet body 1 through a hinge 11. Furthermore, a mortise lock can be installed on the cabinet door 10 for locking, and a rubber gasket 12 for sealing is bonded on the cabinet door 10.

Harmonic cabinet device all installs on device mount table 8 during operation, then the electric wire all derives through shop's line hole 6, and all lay the completion back when all electric wires and fill up shop's line hole 6 with fire prevention mud to evenly lay under limiting plate 7 on diapire 5. Then the harmonic wave cabinet is electrified to enable the axial flow motor to work, and finally the cabinet door 10 is closed tightly.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The fireproof noise-reduction dynamic reactive power compensation harmonic cabinet is characterized by comprising a cabinet body (1) which is provided with a cavity and integrally formed by steel, wherein the cabinet body (1) is provided with an opening communicated with the cavity;

an aluminum plate (2) used for heat dissipation is connected to the inside of the cabinet body (1), an industrial felt (3) used for noise reduction is further arranged on the aluminum plate (2), and the industrial felt (3) is bonded to the aluminum plate (2) through heat-conducting glue;

industry felt (3) are kept away from be provided with a plurality of arch (4) on the terminal surface of aluminum plate (2), a plurality of arch (4) are the matrix arrangement on industry felt (3), and, the cross sectional shape of arch (4) is trapezoidal.

2. A fire-proof noise-reducing dynamic reactive compensation harmonic cabinet according to claim 1, wherein the thickness of the aluminum plate (2) is 1.5mm or 2.0 mm.

3. A fire-proof noise-reducing dynamic reactive power compensation harmonic cabinet according to claim 1 or 2, wherein the cabinet body (1) comprises a bottom wall (5), a wire laying hole (6) is formed in the bottom wall (5), fire-proof mud is filled in the wire laying hole (6) and the bottom wall (5), and a limit plate (7) for limiting the height of the fire-proof mud is arranged on the side wall contacting with the bottom wall (5).

4. A fireproof and noise-reducing dynamic reactive power compensation harmonic cabinet according to claim 3, wherein the inner wall of the cabinet body (1) is horizontally provided with a device mounting table (8), and the device mounting table (8) is provided with a plurality of mounting holes (9).

5. A fireproof and noise-reducing dynamic reactive power compensation harmonic cabinet according to claim 1, wherein a cabinet door (10) for sealing the opening is further arranged on the cabinet body (1), and the cabinet door (10) is hinged to the cabinet body (1) through a hinge (11).

6. A fireproof and noise-reducing dynamic reactive power compensation harmonic cabinet according to claim 5, wherein the cabinet door (10) is bonded with a rubber gasket (12) for sealing.