CN213063756U

CN213063756U - Damping and silencing device for fuel generator set

Info

Publication number: CN213063756U
Application number: CN202021691374.XU
Authority: CN
Inventors: 李玉林; 白孟春; 陈华
Original assignee: Tianjin Run Heng Power Technology Co ltd
Current assignee: Tianjin Run Heng Power Technology Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-27
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to the technical field of generating sets, and discloses a damping and silencing device for a fuel generating set, which comprises a generator body and a supporting bottom plate, wherein a box body is covered outside the generator body on the supporting bottom plate; through grooves are formed in two opposite side walls of the box body, the side walls of the through grooves are arranged in a step shape along the penetrating direction of the through grooves, and a plurality of through grooves are formed; a plurality of cavities are arranged in the side wall of the box body, which is provided with the through grooves, sound insulation media are arranged in the cavities, a plurality of through holes communicated with the cavities are arranged on the inner wall and the outer wall of the side wall of the box body, which is positioned between the adjacent through grooves, and a plurality of rings of annular bulges are arranged on the side wall of each through hole along the length direction of the through hole; the utility model discloses a box, logical groove, sound insulation medium isotructure set up, when the guarantee is to the generator body radiating, can play good filter effect to the noise that the generator body during operation produced.

Description

Damping and silencing device for fuel generator set

Technical Field

The utility model relates to a generating set technical field, concretely relates to fuel generating set is with shock attenuation silencing device.

Background

A gasoline engine generator is generally composed of a stator, a rotor, an end cover, and a bearing. The engine is a machine for converting chemical energy into mechanical energy, and the gasoline generator can generate larger noise due to the structural arrangement of the gasoline generator when in work, so that noise pollution is easily caused to the surrounding environment;

some existing noise reduction means for the gasoline engine generator generally adopt a silencer to reduce noise, the noise reduction effect is poor due to the fact that the noise reduction means can only eliminate partial noise, and the noise reduction means is a cover directly sleeved outside the gasoline engine generator, so that the heat dissipation of the generator can be influenced.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a fuel generating set is with shock attenuation silencing device, it has can keep the good radiating advantage to fuel generator when reducing the fuel generator noise.

The above technical purpose of the present invention can be achieved by the following technical solutions: the generator comprises a generator body and a supporting bottom plate, wherein the supporting bottom plate is used for supporting the generator body, the generator body is horizontally arranged on the supporting bottom plate and is fixedly connected with the supporting bottom plate, and a box body is arranged on the supporting bottom plate and is covered outside the generator body;

through grooves are formed in two opposite side walls of the box body, the through grooves are obliquely arranged to penetrate through the side walls so as to increase the path of air passing through, the side walls of the through grooves are arranged in a step shape along the penetrating direction of the through grooves so as to increase the refraction times of sound waves passing through the through grooves, and a plurality of through grooves are formed;

the box is provided with the inside of the lateral wall that leads to the groove is provided with the cavity, the cavity is provided with a plurality of, the cavity is located adjacently between the groove, be provided with the medium that gives sound insulation in the cavity, the box is located adjacently all seted up a plurality of through-holes on the inside and outside wall of the lateral wall between the groove, a plurality of the through-hole with the cavity intercommunication, the lateral wall of through-hole is followed the length direction of through-hole is provided with a plurality of rings of annular arch.

The utility model discloses in, it is preferred, a plurality of lead to the groove and be in distribute side by side along the horizontal direction on the lateral wall of box.

In the present invention, it is preferable that the through hole on one side of the cavity is located on the other side of the cavity in projection between the through holes.

The utility model discloses in, preferably, the generator body includes rotor and casing, the one end of rotor extends to the outside of casing, the both ends of the axis direction of rotor are directional respectively the box still is equipped with two lateral walls that lead to the groove, the rotor is located the fixed radiator fan that is provided with of outside part of casing.

The utility model discloses in, it is preferred, the four corners department of the lower terminal surface of supporting baseplate all is provided with the supporting legs, the supporting legs includes the spliced pole and fills up the foot, the spliced pole with it is provided with rubber cushion block to fill up between the foot, the spliced pole with fill up and pass through between the foot rubber cushion block fixed connection.

In the present invention, preferably, the sound insulation medium is soundproof cotton.

The utility model discloses in, preferably, the box is not seted up be provided with a plurality of lugs on leading to the surplus inner wall of groove, it is a plurality of the lug is in evenly distributed on the inner wall of box, the lug is the pyramid.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a box, logical groove, sound insulation medium isotructure set up, when the guarantee is to the generator body radiating, can play good filter effect to the noise that the generator body during operation produced.

Drawings

FIG. 1 is a schematic structural diagram of a damping and silencing device for a fuel generator set;

FIG. 2 is a cross-sectional view of a damping and silencing device for a fuel generator set;

fig. 3 is a partial structural sectional view of a damping and silencing device for a fuel generator set.

In the drawings: 1. a generator body; 2. a support base plate; 3. a box body; 4. a through groove; 5. a cavity; 6. a sound-insulating medium; 7. a through hole; 8. an annular projection; 9. a rotor; 10. a heat radiation fan; 11. supporting legs; 12. connecting columns; 13. a foot pad; 14. a rubber cushion block; 15. and (4) a bump.

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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a preferred embodiment of the present invention provides a damping and silencing device for a fuel generator set, which includes a generator body 1, including a supporting base plate 2 for supporting the generator body 1, wherein the generator body 1 is horizontally disposed on the supporting base plate 2 and is fixedly connected to the supporting base plate 2, and a box body 3 is covered on the supporting base plate 2 and located outside the generator body 1; through grooves 4 are formed in two opposite side walls of the box body 3, the through grooves 4 penetrate through the side walls in an inclined mode to increase the path of air passing through, the side walls of the through grooves 4 are arranged in a step mode along the penetrating direction of the through grooves 4 to increase the refraction times of sound waves when the sound waves pass through the through grooves 4, the through grooves 4 are arranged in a plurality, and the through grooves 4 are distributed on the side walls of the box body 3 side by side along the horizontal direction; the cavity 5 is arranged inside the side wall of the box body 3 provided with the through grooves 4, the cavities 5 are provided with a plurality of cavities, each cavity 5 is respectively positioned between every two adjacent through grooves 4, the sound insulation medium 6 is arranged in each cavity 5, the sound insulation medium 6 is sound insulation cotton, the arrangement improves the filtering effect of the box body 3 on noise generated when a generator works, the inner wall and the outer wall of the side wall of the box body 3 positioned between the adjacent through grooves 4 are respectively provided with a plurality of through holes 7, the plurality of through holes 7 are communicated with the cavities 5, the arrangement of the through holes 7 improves the heat dissipation effect of the silencing device, the arrangement of a plurality of rings of annular bulges 8 and a plurality of rings of annular bulges 8 on the side wall of each through hole 7 along the length direction of the through hole 7 ensures that the noise sound wave can generate multiple refraction between the annular bulges 8 when; the setting of box 3 outwards propagates the effect that plays a hindrance to the noise that generator body 1 during operation produced, can make the noise that generator body 1 produced produce the refraction and weaken gradually in box 3, the setting that leads to groove 4 makes the inside air that is heated by generator body 1 during operation of box 3 can exchange the circulation with external cold air, the heat dissipation to generator body 1 has been ensured, it needs the route of passing through to lead to groove 4 slope setting to have increased the sound wave when leading to groove 4 and propagate to the external world, it needs to carry out multiple refraction between the ladder to lead to the setting that 4 lateral walls of groove are the echelonment simultaneously to make the sound wave of noise outwards propagate from leading to groove 4, the silence effect has further been optimized in such setting.

The projections of the through holes 7 of one side of the cavity 5 onto the other side of the cavity 5 are located between the respective through holes 7 of that side. The through holes 7 on the inner side and the outer side of the side wall of the box body 3 are not arranged right opposite to each other, so that the path through which sound waves pass through the side wall of the box body 3 is further increased, the energy of the noise sound waves is consumed, and the noise reduction effect is optimized.

The generator body 1 comprises a rotor 9 and a shell, one end of the rotor 9 extends to the outside of the shell, two ends of the rotor 9 in the axial direction respectively point to the two side walls of the box 3 and are also provided with a through groove 4, and a part of the rotor 9, which is located outside the shell, is fixedly provided with a cooling fan 10. The arrangement accelerates the air exchange inside and outside the box body 3 and optimizes the heat dissipation effect

Supporting legs 11 are arranged at four corners of the lower end face of the supporting base plate 2, each supporting leg 11 comprises a connecting column 12 and a pad 13, a rubber cushion block 14 is arranged between each connecting column 12 and each pad 13, and each connecting column 12 and each pad 13 are fixedly connected through the rubber cushion block 14. The rubber cushion block 14 can absorb the vibration generated during the operation of the generator to a certain extent, and plays a certain role in shock absorption.

The remaining inner wall of the box body 3, which is not provided with the through groove 4, is provided with a plurality of bumps 15, the bumps 15 are uniformly distributed on the inner wall of the box body 3, and the bumps 15 are pyramids. The pyramid projection 15 can increase the refraction times of the noise sound wave in the box 3, and further optimize the noise reduction effect of the silencing device.

Claims

1. The utility model provides a fuel generating set is with shock attenuation silencing device, includes generator body (1), its characterized in that: the generator comprises a supporting bottom plate (2) used for supporting a generator body (1), wherein the generator body (1) is horizontally arranged on the supporting bottom plate (2) and is fixedly connected with the supporting bottom plate (2), and a box body (3) is arranged on the supporting bottom plate (2) and is covered outside the generator body (1);

through grooves (4) are formed in two opposite side walls of the box body (3), the through grooves (4) obliquely penetrate through the side walls to increase the path of air passing through, the side walls of the through grooves (4) are arranged in a step shape along the penetrating direction of the through grooves (4) to increase the refraction times of sound waves when the sound waves pass through the through grooves (4), and a plurality of through grooves (4) are formed;

the utility model discloses a lead to the groove, including box (3), cavity (5) are provided with to the inside of the lateral wall that leads to groove (4), cavity (5) are provided with a plurality of, cavity (5) are located adjacently lead to between groove (4), be provided with sound insulation medium (6) in cavity (5), box (3) are located adjacently all seted up a plurality of through-hole (7), a plurality of on the interior outer wall of the lateral wall that leads to between groove (4) through-hole (7) with cavity (5) intercommunication, the lateral wall of through-hole (7) is followed the length direction of through-hole (7) is provided with a plurality of rings of annular arch (8).

2. The damping and silencing device for the fuel generator set according to claim 1, is characterized in that: the through grooves (4) are distributed on the side wall of the box body (3) side by side along the horizontal direction.

3. The damping and silencing device for the fuel generator set according to claim 1, is characterized in that: the projection of the through holes (7) on one side of the cavity (5) on the other side of the cavity (5) is positioned between the through holes (7) on the side.

4. The damping and silencing device for the fuel generator set according to claim 1, is characterized in that: the generator body (1) comprises a rotor (9) and a shell, one end of the rotor (9) extends to the outside of the shell, two ends of the axis direction of the rotor (9) point to the box body (3) and two side walls of the through groove (4) respectively, and the rotor (9) is located outside the shell and is fixedly provided with a cooling fan (10).

5. The damping and silencing device for the fuel generator set according to claim 1, is characterized in that: supporting legs (11) are arranged at four corners of the lower end face of the supporting base plate (2), the supporting legs (11) comprise connecting columns (12) and pad feet (13), rubber cushion blocks (14) are arranged between the connecting columns (12) and the pad feet (13), and the connecting columns (12) and the pad feet (13) are fixedly connected through the rubber cushion blocks (14).

6. The damping and silencing device for the fuel generator set according to claim 1, is characterized in that: the sound insulation medium (6) is sound insulation cotton.

7. The damping and silencing device for the fuel generator set according to claim 1, is characterized in that: a plurality of bumps (15) are arranged on the residual inner wall of the box body (3) not provided with the through groove (4), the bumps (15) are uniformly distributed on the inner wall of the box body (3), and the bumps (15) are pyramids.