CN212958863U

CN212958863U - Mute gas generator set box

Info

Publication number: CN212958863U
Application number: CN202120511555.8U
Authority: CN
Inventors: 韩颜隆; 崔涛; 毛宏伟; 韩宾宾; 丁志刚; 郭新文
Original assignee: Xinsheng'an Power Technology Shandong Co ltd
Current assignee: Xinsheng'an Power Technology Shandong Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-04-13
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a silent gas generator set box, which comprises a base, a silent box, a generator, an engine, a buffer tank and a silencer; an air inlet cavity and a silencing cavity are partitioned in the silencing box body through a partition plate, box body silencing layers are wrapped on the inner wall of the silencing box body, an air passing heat dissipation device for communicating the air inlet cavity with the silencing cavity is arranged on the partition plate, an air inlet structure is correspondingly arranged in the air inlet cavity, and the air inlet structure comprises side end air inlet devices arranged on the left side wall and the right side wall of the silencing box body; the air inlet structure comprises a top air outlet and a bottom air outlet which are arranged in an up-down opposite mode, air entering the air inlet cavity from the left side end air inlet device and the right side end air inlet device passes through the air-passing heat dissipation device, enters the silencing cavity, and is discharged out of the silencing box body from the top air outlet and the bottom air outlet; the buffer tank and the silencer are both arranged in the silencing cavity; the utility model discloses compact structure, arrange rationally, have good silence effect under the condition of guaranteeing good heat dissipation.

Description

Mute gas generator set box

Technical Field

The utility model relates to a generating set field especially relates to a silence gas generating set box.

Background

The generator set is used as a standby power supply and plays a considerable role in various fields of national production and life. The generator set is generally widely used as a civil and industrial power supply to meet the power requirements of families, schools, hospitals, construction sites and other occasions. However, most of the products in the market are open-frame products, and the engines of the products are directly exposed outside, so that the products have the defect of high noise value and cannot meet the requirements of work places needing silence and working environments at night.

In order to reduce noise to the maximum extent, a closed type air-cooled generator set is provided in the prior art. The closed air-cooled generator set is generally characterized in that an engine and a generator are coaxially mounted in a closed cabinet, the cabinet is provided with an air inlet and an air outlet, the cabinet is composed of a base and a housing, the air inlet is usually arranged on the bottom surface of the base or on the side surface of the base, and the air outlet is arranged on the housing of the cabinet. In order to enhance the heat dissipation effect of the unit, the number of the air inlets and the air outlets is required to be as large as possible, and the size of the air inlets and the air outlets is required to be as large as possible, and in order to reduce the operation noise, the number of the air inlets and the air outlets is required to be as small as possible, and the size of the air inlets and the air outlets is required to be. Heat dissipation and noise reduction form a pair of contradictions, and the consideration is difficult. Therefore, the generator set with good heat dissipation effect and low noise is the target pursued by the generator industry.

Disclosure of Invention

The utility model aims to solve the technical problem that a silence gas generating set box that the structure is less, the radiating effect is good, effective noise reduction is provided.

In order to solve the technical problem, the technical scheme of the utility model is that: the mute gas generator set box body comprises a base and a mute box body, wherein a space enclosed between the base and the mute box body is internally provided with a generator, an engine, a buffer tank and a silencer; an air inlet cavity and a silencing cavity are partitioned in the silencing box body through a partition plate, box body silencing layers are coated on the inner walls of the silencing box body, an air passing heat dissipation device for communicating the air inlet cavity with the silencing cavity is arranged on the partition plate, an air inlet structure is correspondingly arranged in the air inlet cavity, and the air inlet structure comprises side end air inlet devices arranged on the left side wall and the right side wall of the silencing box body; the air inlet structure comprises a top air outlet and a bottom air outlet which are opposite up and down, and the air entering the air inlet cavity from the side air inlet devices on the left side and the right side passes through the air-passing heat dissipation device, enters the silencing cavity and is finally discharged out of the silencing box from the top air outlet and the bottom air outlet; the buffer tank and the silencer are both arranged in the silencing cavity.

As the preferred technical scheme, side air inlet device includes that a plurality of settings are in grid fresh air inlet on the silence box, the inner wall of silence box install with the grid fresh air inlet correspond be used for with the amortization kuppe of the upward guide of wind direction that the grid fresh air inlet got into, the both sides end welded fastening of amortization kuppe has the kuppe curb plate, the kuppe curb plate with amortization kuppe threaded connection be in the inner wall of silence box, the amortization kuppe with the kuppe curb plate encloses to close and forms semi-closed air intake.

According to the preferable technical scheme, an air inlet silencing layer is glued on the surfaces of the silencing guide cover and the guide cover side plate facing the air inlet cavity, an installation column penetrating through the surface of the air inlet silencing layer is fixedly welded on the silencing guide cover, and a fixing gland used for fixedly laminating the air inlet silencing layer is clamped on the installation column.

As a preferable technical scheme, a vertical air guide sleeve vertical plate is arranged at the upper end of the silencing air guide sleeve, and a downward inclined air guide sleeve declination plate is arranged at the lower end of the silencing air guide sleeve.

As a preferable technical scheme, the bottom end of the vertical guide cover plate is connected with the top end of the declination plate of the guide cover.

As a preferable technical scheme, the vertical baffle plate of the air guide sleeve is in transition connection with the declination plate of the air guide sleeve through an arc.

As a preferred technical scheme, the air-passing heat dissipation device comprises an air-passing heat dissipation port arranged on the partition plate, and a heat dissipation hole noise reduction layer is correspondingly installed at the air-passing heat dissipation port.

As an optimized technical scheme, the air inlet structure is arranged at one end, far away from the silencing cavity, of the silencing box, the generator is arranged close to the air inlet structure, the flywheel of the engine is connected with the exhaust fan, and the exhaust fan is arranged on one side, close to the silencing cavity, of the silencing box.

Since the technical scheme is used, the beneficial effects of the utility model are that:

(1) the utility model discloses the flow path of well air inlet link up each other in prior art, but by discharging from top to bottom after assembling by the left and right sides again for wind does not have the motion dead angle in the silence box, can effectively with the heat in the air inlet intracavity is carried and is discharged, and after wind enters into the silence chamber, contact at first behind the silence box inner wall, receive to block upwards or the downward motion, this kind of arrangement can improve and have wind and the contact surface between the silence box, thereby the effectual sound absorption effect that improves;

(2) the utility model discloses in, wind get into extremely during the air inlet chamber quilt amortization kuppe, air intake amortization layer carry out the amortization for the first time, then by the air inlet chamber gets into extremely amortization chamber in-process, quilt louvre amortization layer carries out the amortization for the second time, then discharge extremely after being carried out the third time amortization in the amortization intracavity the silence case is external, thereby further improves through many times amortization the syllable-dividing effect of silence case makes the utility model discloses have good silence effect under guaranteeing good radiating condition.

Drawings

The drawings are only intended to illustrate and explain the present invention and do not limit the scope of the invention. Wherein:

fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic side view of an embodiment of the invention;

FIG. 3 is a schematic structural view of an air intake structure according to an embodiment of the present invention;

FIG. 4 is a schematic diagram of an air intake structure according to an embodiment of the present invention;

in the figure: 1-a base; 2-a mute box body; 3, a generator; 4-an engine; 5-a buffer tank; 6-a silencer; 7-flame arrestors; 8-a pressure reducing valve; 9-exhaust fan; 10-a mixer; 11-an air inlet cavity; 12-a sound-deadening chamber; 13-a top air outlet; 14-bottom air outlet; 15-an overfire air heat dissipation device; 16-grille air inlet holes; 17-a silencing air guide sleeve; 18-dome side panels; 19-air inlet silencing layer.

Detailed Description

The invention is further explained below with reference to the drawings and examples. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, a person skilled in the art will recognize that the described embodiments can be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and not intended to limit the scope of the claims.

As shown in fig. 1, the silent gas generator set box body comprises a base 1 and a silent box body 2, wherein a space enclosed between the base 1 and the silent box body 2 is provided with a generator 3, an engine 4, a buffer tank 5 and a silencer 6, and further comprises a flame arrester 7, a pressure reducing valve 8, a mixer 10 and other structures, and the specific structures and working principles thereof are known to those skilled in the art and are not described herein again. The working principle of the unit is as follows: the natural gas enters the buffer tank 5 through a pipeline, the pressure of the natural gas is reduced to a pressure value suitable for the requirement of the engine 4 through the pressure reducing valve 8, and the natural gas enters a combustion cavity of the engine 4 through a mixer 10 (the natural gas is mixed with a controlled proportion); the engine 4 starts a starting motor by using a machine-mounted storage battery, and an ignition signal panel sends an ignition instruction to an ignition coil to perform ignition work.

The utility model discloses a design point mainly is the design of 4 unit boxes of engine and the spatial arrangement of each part above, reaches compact structure, arranges reasonable effect.

The inner walls of the silent box bodies 2 are all coated with box body silencing layers, and the box body silencing layers are used for integrally improving the silencing effect of the silent box bodies 2; an air inlet cavity 11 and a silencing cavity 12 are partitioned in the mute box body 2 through a partition plate, the silencing cavity 12 also serves as an air cavity, an air passing heat dissipation device 15 for communicating the air inlet cavity 11 with the silencing cavity 12 is arranged on the partition plate, an air inlet structure is correspondingly arranged in the air inlet cavity 11, and the air inlet structure comprises side end air inlet devices arranged on the left side wall and the right side wall of the mute box body 2; an air outlet structure is correspondingly arranged in the silencing cavity 12 and comprises a top air outlet 13 and a bottom air outlet 14 which are opposite up and down, the top air outlet 13 is arranged on the top wall of the silencing box body 2, the bottom air outlet 14 is arranged at the bottom end and is discharged through the base 1, the bottom end of the base 1 is closed corresponding to the air inlet cavity 11, and is not closed corresponding to the silencing cavity 12, namely, the bottom air outlet 14 is arranged; the air entering the air inlet cavity 11 from the side air inlet devices on the left and right sides enters the silencing cavity 12 after passing through the air passing heat dissipation device 15, and is finally discharged out of the silencing box 2 from the top air outlet 13 and the bottom air outlet 14, the flow paths of the inlet air in this embodiment are not mutually communicated in the prior art, but are converged on the left and right sides and then discharged from the upper and lower sides, so that the air does not have movement dead angles in the silencing box, the heat in the air inlet cavity 11 can be effectively carried and discharged, and after the air enters the silencing cavity 12, the air is firstly contacted with the inner wall of the silencing box and then is blocked to move upwards or downwards, the arrangement mode can improve the contact surface between the air and the silencing box, thereby effectively improving the sound absorption effect, and simultaneously, the noise is forced to change direction and is discharged into the atmosphere after being contacted with the ground when being guided downwards, on the one hand, the ground does not obstruct the flow of wind, and on the other hand, the ground can also play a role in reducing noise.

Referring to fig. 1, the surge tank 5 and the muffler 6 are both installed in the sound-deadening chamber 12. For making full use of the space within the sound-deadening chamber 12.

The silent box body is provided with a grating plate for mounting the buffer tank 5 at the bottom end of the silencing cavity 12, and the buffer tank 5 is arranged at one side of the bottom end of the silencing cavity 12 and is used for avoiding the air-passing heat dissipation device 15 and the bottom air outlet 14. The buffer tanks 5 in the prior art are all arranged in the air inlet cavity 11, and because the buffer tanks 5 are used as devices for buffering the air inlet pressure of natural gas, the air inlet impact is reduced, the buffer tanks are arranged in the air inlet cavity 11 in the prior art, the space of the air inlet cavity 11 is occupied, the volume of the mute box body 2 is larger, and the use performance of the buffer tanks 5 is affected when the buffer tanks 5 are placed in the high-temperature air inlet cavity 11; therefore, in the utility model, the buffer tank 5 is arranged in the silencing cavity 12, on one hand, the arrangement space of the air inlet cavity 11 is reduced by utilizing the space of the silencing cavity 12, on the other hand, the high temperature influence of the air inlet cavity 11 is avoided, and simultaneously, the heat dissipation hot air of the engine 4 can be well utilized to properly raise the temperature of the natural gas in the buffer tank 5, so that the unit can normally work under extreme weather below zero; the upper part of the silencing box body, which is positioned in the silencing cavity 12, is provided with a mounting rack for mounting the silencer 6, and the air outlet 13 at the top end is semi-blocked, so that the good heat dissipation effect is ensured, and meanwhile, the noise can be blocked and discharged; in the prior art, the silencer 6 is mainly arranged outside the silent box body 2 and is often arranged outside the top of the silent box body 2 to reduce the occupied space, so that the equipment is inconvenient to maintain; and the utility model discloses in place muffler 6 in the amortization chamber 12, have arrange advantages such as reasonable, occupation space is little.

Referring to fig. 3 and 4, at least two side air intake devices are arranged on the same side and are arranged up and down; the side air inlet device includes that a plurality of settings are in grid inlet opening 16 on the silence box 2, the inner wall of silence box 2 install with grid inlet opening 16 correspond be used for with the amortization kuppe 17 of the wind direction upper guide that grid inlet opening 16 got into, the both sides end welded fastening of amortization kuppe 17 has kuppe curb plate 18, kuppe curb plate 18 with amortization kuppe 17 threaded connection is in the inner wall of silence box 2, amortization kuppe 17 with kuppe curb plate 18 encloses to close and forms semi-closed air intake.

Referring to fig. 4, when the inlet air contacts the silencing dome 17, the inlet air is forced to change direction and enter the inlet air cavity 11, because the inlet air contacts the silencing dome 17 to generate noise, and the silencing dome 17 is used as a key structure for generating noise mainly by resistance, in order to reduce the noise of the silencing dome 17, an air inlet silencing layer 19 is glued on the surfaces of the silencing dome 17 and the dome side plate 18 facing the inlet air cavity 11, the air inlet silencing layer 19 is used for silencing the noise generated by the silencing dome 17, here, the air inlet silencing layer 19 is glued on the silencing dome 17 and the dome side plate 18, the thickness of the air inlet silencing layer 19 is 3 times or more than the thickness of the silencing dome 17, because the resistance received by the silencing dome 17 is large, for avoiding air intake amortization layer 19 breaks away from under the vibration influence amortization kuppe 17, consequently be in welded fastening has the penetration on the amortization kuppe 17 the erection column on air intake amortization layer 19 surface, the joint is installed on the erection column and is used for with air intake amortization layer 19 compresses tightly fixed gland, through fixed gland will air intake amortization layer 19 further stable connection improve the noise cancelling effect on the amortization kuppe 17.

The top baffle plate used for shielding the air inlet is arranged at the top end of the side end air inlet device on the mute box body and used for enabling the air inlet to enter the air inlet cavity along the horizontal direction, and the flowing direction of the air inlet is shown in figure 4.

The upper end of the silencing air guide sleeve 17 is provided with a vertical air guide sleeve vertical plate, and the lower end of the silencing air guide sleeve 17 is provided with an air guide sleeve downward inclined plate which inclines downwards. The groove-shaped structure formed by enclosing the lower deflector of the air guide sleeve and the vertical deflector of the air guide sleeve can also prevent rainwater and dust from entering; and as the part which is mainly contacted with the inlet air is the deflector declination plate, the bottom end of the deflector declination plate corresponds to the grille air inlet hole 16 which is positioned at the bottommost part, and the rainwater and the dust can be discharged through the grille air inlet hole 16 along the deflector declination plate.

The bottom end of the vertical guide cover plate is connected with the top end of the lower guide cover plate, the vertical guide cover plate is in arc transition connection with the lower guide cover plate, and the arc transition connection can effectively reduce the resistance of air entering the air inlet cavity 11, improve the air inlet efficiency, and reduce the resistance between the air and the vertical guide cover plate, thereby reducing the noise.

The air-passing heat dissipation device 15 comprises an air-passing heat dissipation port arranged on the partition plate, and a heat dissipation hole noise reduction layer is correspondingly arranged at the air-passing heat dissipation port. And when the air in the air inlet cavity 11 carries high-temperature gas to enter the silencing cavity 12 through the air passing heat dissipation port, the high-temperature gas is silenced by the silencing layer of the heat dissipation holes.

The air inlet structure sets up silence box 2 keeps away from the one end in amortization chamber 12, generator 3 is close to the air inlet structure sets up, the flywheel of engine 4 is connected with exhaust fan 9, exhaust fan 9 sets up silence box 2 is close to one side in amortization chamber 12. The air inlet structure and the air outlet mechanism are respectively arranged at two ends of the silent box body 2 and are used for improving the flow path of air in the silent box body 2; the exhaust fan 9 can forcibly introduce air into the air inlet cavity 11 and is arranged close to the sound attenuation cavity 12, so as to increase the distance between the exhaust fan 9 and the air inlet structure, increase the air inlet amount and the air inlet speed entering the air inlet cavity 11, and enable hot air in the air inlet cavity 11 to rapidly enter the sound attenuation cavity 12.

The utility model discloses in, wind get into extremely during the air inlet chamber 11 quilt amortization kuppe 17, air intake amortization layer 19 carry out the amortization for the first time, then by air inlet chamber 11 gets into extremely amortization chamber 12 in-process, quilt the louvre amortization layer carries out the amortization for the second time, then again discharge extremely after being carried out the third time amortization in the amortization chamber 12 outside silence box 2, thereby further improve through many times of amortization the syllable-dividing effect of silence box 2.

The air inlet silencing layer 19, the heat dissipation hole silencing layer and the box body silencing layer are made of sound-proof fireproof rock wool.

The basic principles, main features and advantages of the present invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The mute gas generator set box body comprises a base and a mute box body, wherein a space enclosed between the base and the mute box body is internally provided with a generator, an engine, a buffer tank and a silencer; the utility model discloses a silence box, including silence box, baffle, air inlet chamber, silencing chamber, box silencing layer, its characterized in that are equipped with through the baffle separation in the silence box, the inner wall of silence box all wraps: the baffle plate is provided with an air-passing heat dissipation device for communicating the air inlet cavity with the silencing cavity, an air inlet structure is correspondingly arranged in the air inlet cavity, and the air inlet structure comprises side end air inlet devices arranged on the left side wall and the right side wall of the silencing box body; the air inlet structure comprises a top air outlet and a bottom air outlet which are opposite up and down, and the air entering the air inlet cavity from the side air inlet devices on the left side and the right side passes through the air-passing heat dissipation device, enters the silencing cavity and is finally discharged out of the silencing box from the top air outlet and the bottom air outlet; the buffer tank and the silencer are both arranged in the silencing cavity.

2. The silent gas generator set box of claim 1, wherein: the side air inlet device comprises a plurality of grille air inlet holes formed in the mute box body, the inner wall of the mute box body is provided with a silencing air guide sleeve, the grille air inlet holes correspond to the silencing air guide sleeve, the silencing air guide sleeve is guided in the wind direction in which the grille air inlet holes enter, the two side ends of the silencing air guide sleeve are fixedly welded with air guide sleeve side plates, the air guide sleeve side plates are in threaded connection with the silencing air guide sleeve on the inner wall of the mute box body, and the silencing air guide sleeve and the air guide sleeve side plates are enclosed to form a semi-closed air inlet.

3. The silent gas generator set box of claim 2, wherein: the silencing guide cover and the guide cover side plate are glued with an air inlet silencing layer on the surface facing the air inlet cavity, an installation column penetrating through the surface of the air inlet silencing layer is fixedly welded on the silencing guide cover, and a fixing gland used for fixedly laminating the air inlet silencing layer is installed on the installation column in a clamping mode.

4. The silent gas generator set box of claim 3, wherein: the upper end of the silencing air guide sleeve is provided with a vertical air guide sleeve vertical plate, and the lower end of the silencing air guide sleeve is provided with an air guide sleeve downward inclined plate which inclines downwards.

5. The silent gas generator set box of claim 4, wherein: the bottom end of the vertical guide cover plate is connected with the top end of the declination plate of the guide cover.

6. The silent gas generator set box of claim 4, wherein: the vertical guide cover plate is in arc transition connection with the downward inclined guide cover plate.

7. The silent gas generator set box of claim 1, wherein: the air-passing heat dissipation device comprises an air-passing heat dissipation port arranged on the partition plate, and a heat dissipation hole noise reduction layer is correspondingly arranged at the air-passing heat dissipation port.

8. The silence gas generating set box of any claim from 1 to 7, characterized in that: the air inlet structure is arranged at one end, far away from the silencing cavity, of the silencing box body, the generator is close to the air inlet structure, the flywheel of the engine is connected with an exhaust fan, and the exhaust fan is arranged at one side, close to the silencing cavity, of the silencing box body.