CN219242032U

CN219242032U - Novel silencer for generator set

Info

Publication number: CN219242032U
Application number: CN202320707993.0U
Authority: CN
Inventors: 郭林鑫
Original assignee: Fujian Huatai Power Supply Co ltd
Current assignee: Fujian Huatai Power Supply Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-06-23
Anticipated expiration: 2033-04-03

Abstract

The utility model relates to the field of industrial instruments, in particular to a novel silencer for a generator set. The utility model comprises a silencing pipeline, a first fixing plate and a second fixing plate; the first fixing plate is provided with a silencer inlet, and the second fixing plate is provided with a silencer outlet; the silencing pipeline is of a double-layer pipeline structure and comprises a silencing inner pipeline and a silencing outer pipeline, annular hollow aluminum strips are respectively clamped at ports at two ends between the silencing inner pipeline and the silencing outer pipeline, and a cavity is formed between the silencing inner pipeline and the silencing outer pipeline; and the silencing pipeline is also provided with a pin shaft. The utility model aims to provide a novel silencer for a generator set, which solves the problems that the existing silencer has poor sound insulation effect of a single-side pipeline and silencing equipment cannot be additionally arranged on the silencing pipeline.

Description

Novel silencer for generator set

Technical Field

The utility model relates to the field of industrial instruments, in particular to a novel silencer for a generator set.

Background

The generator is a mechanical device for converting other forms of energy into electric energy, and is driven by a water turbine, a steam turbine, a diesel engine or other power machines, so that energy generated by water flow, air flow, fuel combustion or nuclear fission is converted into mechanical energy to be transmitted to the generator, and then the mechanical energy is converted into electric energy by the generator. The generator has wide application in industrial and agricultural production, national defense, science and technology and daily life. Most of the existing generators generate noise during working, which affects normal work and life of people. Noise pollution has become a serious hazard to humans as one of environmental pollution. Noise not only causes hearing impairment, cardiovascular injury, but also has an effect on sleep and mind. There is a continuing concern in the industry as to how to reduce genset noise while not consuming the power of the genset.

Aiming at the noise problem of the generator, the utility model has the following application number: the muffler of CN201810037110.3 still presents problems in use: the noise reduction effect of the single-layer pipeline on the generator set is not high, and the subsequent operation of adding silencing equipment on the silencer is complex.

Therefore, how to design a novel silencer with double-layer pipelines and with silencing equipment which is convenient to be stacked on the silencer for a generator set is a technical problem to be solved.

Disclosure of Invention

In order to solve the problems, the utility model aims to provide a novel silencer for a generator set, which solves the problems that the existing silencer has poor sound insulation effect of a single-side pipeline and silencing equipment cannot be additionally arranged on the silencing pipeline.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: comprises a silencing pipeline, a first fixed plate movably connected with one end surface of the silencing pipeline, and a second fixed plate movably connected with the other end surface of the silencing pipeline; the first fixing plate is provided with a silencer inlet, and the second fixing plate is provided with a silencer outlet; the silencing pipeline is of a double-layer pipeline structure and comprises a silencing inner pipeline and a silencing outer pipeline coated outside the silencing inner pipeline, annular hollow aluminum strips are respectively clamped at ports at two ends between the silencing inner pipeline and the silencing outer pipeline, and a cavity is formed between the silencing inner pipeline and the silencing outer pipeline; the silencing inner pipeline comprises a left inner pipeline and a right inner pipeline, the silencing outer pipeline comprises a left outer pipeline and a right outer pipeline, a pin shaft is further arranged on the silencing pipeline, and the left inner pipeline and the left outer pipeline are hinged with the right inner pipeline and the right outer pipeline through the pin shaft; the outer side surface of the left outer pipeline and the outer side surface of the right outer pipeline are outwards convexly provided with a plurality of connecting parts along the circumferential direction; the connecting part corresponding to the right outer pipeline is also provided with a connecting groove on the outer side surface of the left outer pipeline, and the outer side surface of the right outer pipeline is also provided with a connecting groove corresponding to the connecting part of the left outer pipeline.

Further, the hollow aluminum strips are filled with a dry filler for increasing the air dryness.

Further, an elbow is fixedly connected to the silencer inlet of the first fixing plate, and a flange plate used for being connected with an engine exhaust port flange is arranged at the movable end port of the elbow.

Further, a through pipe is fixedly connected to the muffler outlet of the second fixing plate, and a flange plate is also arranged at the movable end port of the through pipe.

Furthermore, damping glue is paved on the inner side surface of the silencing inner pipeline.

The utility model has the following beneficial effects:

according to the utility model, the silencing pipeline is of a double-layer structure, the air layer and the damping glue are added to increase the sound insulation effect of the silencing pipeline, meanwhile, the silencing pipeline can be filled with the sound insulation material, and the sound absorption material further increases the sound absorption effect of the silencing pipeline.

According to the utility model, the pin shafts are arranged on the silencing pipelines, the silencing pipelines are divided into the left outer pipeline, the left inner pipeline, the right outer pipeline and the right inner pipeline, the left side and the right side are movably connected, and the other silencing pipeline is sleeved outside the initial silencing pipeline, so that the sound insulation effect of the silencing pipeline is improved.

Drawings

FIG. 1 is a schematic diagram of the present utility model;

FIG. 2 is a schematic diagram of a sound deadening line according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a sound deadening line according to the present utility model.

Reference numerals illustrate:

the device comprises a silencing pipeline, an 11-silencing inner pipeline, a 111-left inner pipeline, a 112-right inner pipeline, a 12-silencing outer pipeline, a 121-left outer pipeline, a 122-right outer pipeline, a 13-hollow aluminum strip, a 14-cavity, a 15-pin shaft, a 16-connecting part and a 17-connecting groove;

a first fixed plate, a 21-muffler inlet, a 211-elbow;

the second fixed plate, 31-muffler outlet, 311-through pipe;

and a flange plate.

Description of the embodiments

The utility model is described in further detail below with reference to the attached drawings and specific examples:

referring to fig. 1-3, the silencer comprises a silencing pipeline 1, a first fixing plate 2 which is movably connected with one end surface of the silencing pipeline 1 and is matched with the port of the silencing pipeline 1 in size, and a second fixing plate 3 which is movably connected with the other end surface of the silencing pipeline 1 and is matched with the port of the silencing pipeline 1 in size; the sound-deadening pipe 1 may be filled with a sound-deadening material such as a sound-deadening sponge or a material with a sound-absorbing function such as a glass fiber blanket. After the silencing pipeline 1 is filled, the first fixing plate 2, the second fixing plate 3 and the silencing pipeline 1 are detachably connected through screws or bolts.

The muffler inlet 21 is formed in the first fixing plate 2, an elbow 211 is fixedly connected to the muffler inlet 21 of the first fixing plate 2, and a flange 4 used for being connected with an engine exhaust port flange is arranged at a movable end port of the elbow 211.

The second fixing plate 3 is provided with a muffler outlet 31, the muffler outlet 31 of the second fixing plate 3 is fixedly connected with a through pipe 311, and a flange 4 is also arranged at the movable end port of the through pipe 311. The connection of the silencer and the generator set is facilitated.

The silencing pipeline 1 is of a double-layer pipeline structure, and comprises a silencing inner pipeline 11 and a silencing outer pipeline 12 coated outside the silencing inner pipeline 11, annular hollow aluminum strips 13 are respectively clamped at two end ports between the silencing inner pipeline 11 and the silencing outer pipeline 12, a cavity 14 is further formed between the silencing inner pipeline 11 and the silencing outer pipeline 12, a circle of sealant is further fixedly arranged outside the hollow aluminum strips 13, and a sound-insulating air layer is formed between the silencing inner pipeline 11 and the silencing outer pipeline 12 through the cavity 14, so that noise is further reduced. The hollow aluminum strips 13 are filled with a dry filler for increasing the air dryness. Damping glue is also paved on the inner side surface of the silencing inner pipeline 11.

The silencing inner pipeline 11 comprises a left inner pipeline 111 and a right inner pipeline 112, the silencing outer pipeline 12 comprises a left outer pipeline 121 and a right outer pipeline 122, the silencing pipeline 1 is further provided with a pin shaft 15, and the left inner pipeline 111 and the left outer pipeline 121 are hinged with the right inner pipeline 112 and the right outer pipeline 122 through the pin shaft 15.

The outer side surfaces of the left outer pipe 121 and the right outer pipe 122 are provided with a plurality of connecting parts 16 in an outward convex manner along the circumferential direction; the outer side surface of the left outer pipe 121 is also provided with a connecting groove 17 corresponding to the connecting part 16 of the right outer pipe 122, and the outer side surface of the right outer pipe 122 is also provided with a connecting groove 17 corresponding to the connecting part 16 of the left outer pipe 121

The working principle is approximately as follows: the silencing pipeline 1 is provided with various diameters according to actual demands, the silencing pipeline 1 with the smallest diameter length is filled with materials with sound insulation function and sound absorption function, the materials are fixed to the first fixing plate 2, the second fixing plate 3 and the connecting portion 16 through bolts or bolts, then the silencing pipeline 1 with the slightly larger diameter length is sleeved outside the silencing pipeline 1 according to actual demands, the silencing pipeline 1 on one side is coated outside the initial silencing pipeline 1 through rotation of the silencing pipeline 1 (shown in fig. 2), and the silencing pipelines 1 on two sides of the silencing pipeline 1 are fixed through the connecting portion 16 and the connecting grooves 17.

The foregoing description is only specific embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.

Claims

1. A novel muffler for generating set, its characterized in that: comprises a silencing pipeline (1), a first fixed plate (2) movably connected with one end surface of the silencing pipeline (1) and a second fixed plate (3) movably connected with the other end surface of the silencing pipeline (1);

the first fixing plate (2) is provided with a silencer inlet (21), and the second fixing plate (3) is provided with a silencer outlet (31); the silencing pipeline (1) is of a double-layer pipeline structure and comprises a silencing inner pipeline (11) and a silencing outer pipeline (12) coated outside the silencing inner pipeline (11), annular hollow aluminum strips (13) are respectively clamped at two end ports between the silencing inner pipeline (11) and the silencing outer pipeline (12), and a cavity (14) is formed between the silencing inner pipeline (11) and the silencing outer pipeline (12);

the silencing inner pipeline (11) comprises a left inner pipeline (111) and a right inner pipeline (112), the silencing outer pipeline (12) comprises a left outer pipeline (121) and a right outer pipeline (122), the silencing pipeline (1) is further provided with a pin shaft (15), and the left inner pipeline (111) and the left outer pipeline (121) are hinged with the right inner pipeline (112) and the right outer pipeline (122) through the pin shaft (15);

the outer side surfaces of the left outer pipeline (121) and the right outer pipeline (122) are outwards convexly provided with a plurality of connecting parts (16) along the circumferential direction; the connecting part (16) corresponding to the right outer pipeline (122) is further provided with a connecting groove (17) on the outer side surface of the left outer pipeline (121), and the connecting part (16) corresponding to the left outer pipeline (121) on the outer side surface of the right outer pipeline (122) is also provided with the connecting groove (17).

2. A novel muffler for a generator set according to claim 1, wherein: the hollow aluminum strips (13) are filled with dry filler for increasing the air dryness.

3. A novel muffler for a generator set according to claim 1, wherein: an elbow (211) is fixedly connected to the silencer inlet (21) of the first fixing plate (2), and a flange plate (4) used for being connected with an engine exhaust port flange is arranged at a movable end port of the elbow (211).

4. A novel muffler for a generator set according to claim 1, wherein: a through pipe (311) is fixedly connected to the silencer outlet (31) of the second fixing plate (3), and a flange plate (4) is also arranged at the movable end port of the through pipe (311).

5. A novel muffler for a generator set according to claim 1, wherein: damping glue is paved on the inner side surface of the silencing inner pipeline (11).