CN213980950U

CN213980950U - Mute diesel generator set

Info

Publication number: CN213980950U
Application number: CN202022548229.2U
Authority: CN
Inventors: 陈伯林
Original assignee: Zhongman Technology Jiangsu Co Ltd
Current assignee: Zhongman Technology Jiangsu Co Ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-08-17
Anticipated expiration: 2030-11-06

Abstract

The utility model provides a silence diesel generating set, including box, base, wind-guiding groove and diesel generating set body, be equipped with the base in the box, the diesel generating set body is established on the base, the base below is equipped with the rubber shock pad, and the box inner wall is equipped with inhales the sound cotton, and box inner wall top is equipped with inhales the sound furred ceiling, and the box both sides are equipped with the air inlet shutter and the shutter of airing exhaust, installs exhaust duct on the diesel generating set body, exhaust duct hangs on inhaling the sound furred ceiling, last one-level silencer and the second grade silencer of being equipped with of exhaust duct, exhaust duct are equipped with flexible cover when passing through the box, the last parcel of exhaust duct has the fire prevention rock wool material, the wind-guiding groove is established in shutter department of airing exhaust, and shutter department of airing exhaust still is equipped with the silencer of airing exhaust. The noise is effectively reduced through sound absorption, noise elimination and vibration reduction, and the aim of muting is fulfilled.

Description

Mute diesel generator set

Technical Field

The utility model belongs to the technical field of diesel generator equipment, concretely relates to silence diesel generating set.

Background

The diesel generator set takes a diesel engine as a prime motor, and is a power generation device which has the advantages of quick start, convenient operation and maintenance, less investment and stronger adaptability to the environment. The problem of electric power shortage in China is more and more prominent at present, and the requirement of people on environmental protection is higher and higher at the same time. As a standby power supply of a power supply network, a mute diesel generator set is largely used due to low noise, and is an indispensable emergency device in places with strict requirements on environmental noise, such as hospitals, hotels, high-grade living areas, large shopping malls and the like.

The main noise sources of the diesel generating set are generated by a diesel engine and comprise exhaust noise, air inlet noise, noise transmitted by foundation vibration and the like, and the exhaust noise is the most main source of the diesel generating set, so that the noise reduction of the diesel generating set is very important.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a silence diesel generating set, the mode through inhaling sound, noise elimination, damping effectively reduces the noise, reaches the purpose of silence.

The utility model provides a following technical scheme:

the utility model provides a silence diesel generating set, includes box, base, wind-guiding groove and diesel generating set body, be equipped with the base in the box, the diesel generating set body is established on the base, the base below is equipped with the rubber shock pad, and the box inner wall is equipped with inhales the sound cotton, and box inner wall top is equipped with inhales the sound furred ceiling, and the box both sides are equipped with the air inlet shutter and the shutter of airing exhaust, installs exhaust duct on the diesel generating set body, exhaust duct hangs on inhaling the sound furred ceiling, exhaust duct is last to be equipped with one-level silencer and second grade silencer, and exhaust duct is equipped with flexible telescope tube when passing through the box, the last parcel of exhaust duct has the fire prevention rock wool material, the wind-guiding groove is established in the shutter department of airing exhaust, and the shutter department of airing exhaust still is equipped with the silencer of airing exhaust.

Preferentially, the box includes steel sheet, porous sound absorbing material and perforated plate, the steel sheet inboard is equipped with porous sound absorbing material, and the perforated plate is installed at the inboard of porous sound absorbing material and is fixed with the steel sheet.

Preferentially, the air guide groove comprises a barrel, a mounting plate is arranged below the barrel, mounting holes are formed in the left side and the right side of the mounting plate, the air guide groove and the base are fixed through the mounting holes by bolts, and the barrel is horn-shaped.

Preferably, the air intake louver and the air exhaust louver are opposite.

Preferentially, a noise sensor is arranged in the box body and electrically connected with the PLC control system.

The utility model has the advantages that: be equipped with the shutter and avoid the foreign matter to get into, ensure normal air convection, for preventing that hot-air backward flow and mechanical shock are outside to be transmitted, install elastic shock attenuation tubaeform wind-guiding groove additional at the air exit, through porous sound absorbing material with inhale the cotton noise that has closed effectively that combines together of sound, use one-level silencer and second grade silencer to reduce exhaust noise, the box outside adopts the steel sheet can be rain-proof rust-resistant.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

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

fig. 2 is a schematic structural diagram of the box body of the present invention.

Labeled as: the air intake louver comprises an air intake louver 1, a box body 2, a steel plate 3, a porous sound absorption material 4, a perforated plate 5, sound absorption cotton 6, a sound absorption ceiling 7, an exhaust pipeline 8, a primary muffler 9, a secondary muffler 10, a fireproof rock wool material 11, a flexible telescopic sleeve 12, an air guide groove 13, an air exhaust louver 14, an air exhaust muffler 15, an installation plate 16, a rubber shock pad 17, a diesel generating set body 18, a noise sensor 19 and a base 20.

Detailed Description

As shown in fig. 1 and 2, the utility model provides a silence diesel generating set, including box 2, base 20, wind-guiding groove 13 and diesel generating set body 18, box 2 includes steel sheet 3, porous sound absorbing material 4 and perforated plate 5, it has porous sound absorbing material 4 to fill between steel sheet 3 and the perforated plate 5, and perforated plate 5 is fixed with steel sheet 3. The bottom of the inner wall of the box body 2 is externally provided with sound absorption cotton 6, and the noise is effectively sealed by combining the porous sound absorption material 4 and the sound absorption cotton 6. Be equipped with base 20 in the box 2, diesel generating set body 18 establishes on base 20, base 20 below is equipped with rubber shock pad 17, reduces the noise that sends because of vibrations.

The two sides of the box body 2 are provided with an air inlet shutter 1 and an air exhaust shutter 14, the air inlet shutter 1 is opposite to the air exhaust shutter 14, normal air convection is ensured, the shutters can be opened and closed when the unit does not work, the rainproof function is strong, and silencing materials are also arranged in the shutters. 2 inner wall tops of box are equipped with and inhale sound furred ceiling 7, install exhaust duct 8 on the diesel generating set body 18, exhaust duct 8 hangs on inhaling sound furred ceiling 7, be equipped with one-level silencer 9 and second grade silencer 10 on the exhaust duct 8, reduce exhaust noise through the two-stage silencer. Exhaust duct 8 is equipped with flexible telescope tube 12 when passing box 2, and the safe operation of pipeline can be guaranteed to flexible telescope tube 12, and the impact that effectual absorption external pressure led to the fact the pipeline prevents that phenomena such as damage or deformation from appearing in the pipeline.

The exhaust duct 8 is wrapped with fireproof rock wool materials 11, so that the exhaust duct can insulate heat, preserve heat, absorb sound and reduce noise, an elastic damping horn-shaped air guide groove is additionally arranged at the position of the exhaust louver 14, the air guide groove 13 comprises a barrel, a mounting plate 16 is arranged below the barrel, mounting holes are formed in the left side and the right side of the mounting plate 16, the air guide groove 13 and the base 20 are fixed through the mounting holes by bolts, the barrel is horn-shaped, hot air backflow and mechanical vibration outward transmission are prevented, and air circulation is increased. An exhaust silencer 15 is also arranged at the exhaust louver 14 to reduce exhaust noise. Be equipped with noise sensor 19 in the box, can detect the internal noise of box, noise sensor 19 and PLC control system electric connection.

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 described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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. A silent diesel generator set comprises a box body (2), a base (20), an air guide groove (13) and a diesel generator set body (18), wherein the base (20) is arranged in the box body (2), and the diesel generator set body (18) is arranged on the base (20), and is characterized in that a rubber shock pad (17) is arranged below the base (20), sound-absorbing cotton (6) is arranged outside the bottom of the inner wall of the box body (2), a sound-absorbing ceiling (7) is arranged above the inner wall of the box body (2), air inlet shutters (1) and air exhaust shutters (14) are arranged on two sides of the box body (2), an exhaust pipeline (8) is arranged on the diesel generator set body (18), the exhaust pipeline (8) is hung on the sound-absorbing ceiling (7), a first-stage silencer (9) and a second-stage silencer (10) are arranged on the exhaust pipeline (8), and a flexible telescopic sleeve (12) is arranged on the exhaust pipeline (8) when the exhaust pipeline passes through the box body (2), the exhaust pipeline (8) is wrapped with fireproof rock wool materials (11), the air guide groove (13) is arranged at the exhaust shutter (14), and the exhaust shutter (14) is further provided with an exhaust silencer (15).

2. The silent diesel generator set according to claim 1, wherein the box (2) comprises a steel plate (3), a porous sound-absorbing material (4) and a perforated plate (5), the porous sound-absorbing material (4) is filled between the steel plate (3) and the perforated plate (5), and the perforated plate (5) is fixed with the steel plate (3).

3. The silent diesel generator set according to claim 1, wherein the air guide groove (13) comprises a cylinder, a mounting plate (16) is arranged below the cylinder, mounting holes are formed in the left side and the right side of the mounting plate (16), a bolt fixes the air guide groove (13) and the base (20) through the mounting holes, and the cylinder is horn-shaped.

4. Silent diesel-electric set according to claim 1, characterized in that the air intake louver (1) and the air exhaust louver (14) are opposite.

5. The silent diesel generator set according to claim 1, wherein a noise sensor (19) is arranged in the box body, and the noise sensor (19) is electrically connected with the PLC control system.