CN203420783U - Silent generator set - Google Patents

Silent generator set Download PDF

Info

Publication number
CN203420783U
CN203420783U CN201320379579.8U CN201320379579U CN203420783U CN 203420783 U CN203420783 U CN 203420783U CN 201320379579 U CN201320379579 U CN 201320379579U CN 203420783 U CN203420783 U CN 203420783U
Authority
CN
China
Prior art keywords
silencer
steel plate
power generator
generator group
group according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320379579.8U
Other languages
Chinese (zh)
Inventor
周永刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FOSHAN ORIPO POWER ENGINEERING Co Ltd
Original Assignee
FOSHAN ORIPO POWER ENGINEERING Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FOSHAN ORIPO POWER ENGINEERING Co Ltd filed Critical FOSHAN ORIPO POWER ENGINEERING Co Ltd
Priority to CN201320379579.8U priority Critical patent/CN203420783U/en
Application granted granted Critical
Publication of CN203420783U publication Critical patent/CN203420783U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Exhaust Silencers (AREA)

Abstract

The utility model relates to the technical field of generator equipment, in particular to a silent generator set comprising an internal combustion engine and a silent box. The silent box comprises a box body, the box body is provided with an air inlet, an air outlet and a door, the air inlet is provided with an air inlet silencer, the air outlet is provided with an air outlet silencer, the air outlet silencer is connected with an exhaust pipe of the internal combustion engine, the air outlet silencer comprises a steel plate, the steel plate is provided with a plurality of bent channels, an outer shell of the box body is a steel plate outer shell, the inner wall of the steel plate outer shell is provided with a sound absorbing material layer, the door is provided with an observation window, and double-layer glass is disposed on the observation window. The silent generator set has the advantages of being simple in structure, good in denoising effect and strong in silencing effect.

Description

A kind of mute power generator group
Technical field
The utility model relates to gen-set technical field, is specifically related to a kind of mute power generator group.
Background technique
Generator is other forms of energy conversion to be become to the machinery of electric energy, it is driven by water turbine, steam turbine, diesel engine or other dynamic power machines, by current, and air-flow, the Conversion of Energy that fuel combustion or nuclear fission produce is that mechanical energy is passed to generator, then is converted to electric energy by generator.Generator has been widely used in industrial and agricultural production, national defence, science and technology and daily life.Generator consists of parts such as stator, rotor, end cap and bearings conventionally.Other structural members that stator holds group, support by stator iron core, line and fixes these parts form.Rotor is comprised of parts such as rotor iron core (or magnetic pole, magnetic grip) winding, retaining ring, center ring, slip ring, fan and rotating shafts.By bearing and end cap, by the stator of generator, rotor assembles, and rotor can be rotated in stator, does the motion of cutting magnetic line, thereby produces induced potential, by tenminal block, draws, and is connected in loop, has just produced electric current.Generator, in the process of work, can produce a large amount of noises, comprises internal-combustion engine smoke evacuation noise, inflow noise and exhaust noise, and the places higher to environmental requirement such as these noises can Da100 DuodB,Dui hospital, hotel, school, affect larger.
Summary of the invention
The purpose of this utility model is for above-mentioned deficiency of the prior art, and a kind of mute power generator group is provided, and it has simple in structure, excellent noise reduction effect, the feature that muting function is strong.
The purpose of this utility model is achieved through the following technical solutions:
A kind of mute power generator group, comprise silencing case and be arranged at the internal-combustion engine in silencing case, described silencing case comprises casing, casing is provided with intake grill, exhaust outlet and door, described intake grill is provided with air inlet silencer, described exhaust outlet is provided with silencer for air outlet, silencer for air outlet is connected with the outlet pipe of described internal-combustion engine, silencer for air outlet comprises the steel plate of several layers of bending, between described adjacent two-layered steel plates, form bent passage, described cabinet shell is outer cover of steel plate, outer cover of steel plate inwall is provided with sound-absorbing material layer, described door is provided with viewing window, viewing window is provided with double glazing.
Wherein, described bent passage is waveform bent passage.
Wherein, described bent passage is zigzag fashion bent passage.
Wherein, the thickness of described outer cover of steel plate is 2mm.
Wherein, described sound-absorbing material layer is rock wool layer.
Wherein, the thickness of described rock wool layer is 40mm.
Wherein, described sound-absorbing material layer is fixed by perforated plate and described outer cover of steel plate.
Wherein, the outlet pipe of described internal-combustion engine is also connected with exhaust secondary muffler.
Wherein, the outlet port of described air inlet silencer and silencer for air outlet is equipped with Rainproof louver window.
Wherein, described air inlet silencer comprises the steel plate of several layers of bending, between described adjacent two-layered steel plates, forms bent passage.
The beneficial effects of the utility model: by generator set is increased to silencing case, silencing case comprises outer cover of steel plate and sound-absorbing material layer, form effective sound insulating structure, a large amount of sound waves are reflected back toward box house, form reverberation sound with original sound wave, by sound-absorbing material, to the internal noise processing that absorbs sound, reducing noise to the extraradial noise energy reducing in case simultaneously, thereby effectively reducing global noise level.Effectively block noise is propagated, noise source is blocked at quiet box house, thereby reduce impact to external world, wherein, quiet casing adopts natural air inlet, force air draft, entering, air draft produces hole, cause leakage sound, novel air inlet silencer and the silencer for air outlet of adding of this use, prevent that noise is from entering, wind output channel is outwards propagated, and the steel plate of silencer for air outlet forms a plurality of passages, this channel setting becomes bending type, change the path of propagation of noise, when being propagated in sound-absorbing material, sound wave dissipates because being subject to friction that acoustic energy is converted into heat energy, and because the existence at turning makes noise can not directly pass through silencing channel, thereby effectively improve soundproof effect, reach the object of noise elimination, viewing window arranges double glazing, strengthen the sound-insulation capability of this weak part.
Accompanying drawing explanation
Utilize accompanying drawing to be described further model utility, but the embodiment in accompanying drawing does not form any restriction of the present utility model, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to the following drawings other accompanying drawing.
Fig. 1 is that this uses novel overall structure schematic diagram;
Fig. 2 is sound-insulation wallboard structural representation of the present utility model;
Fig. 3 is the structural representation of silencer for air outlet of the present utility model.
Reference character:
1---casing 2---air inlet silencer 3---silencer for air outlet 4---internal-combustion engine
5---steel plate 6---passage 7---outer cover of steel plate 8---sound-absorbing material layers
9---perforated plate 10---Rainproof louver window 11---exhaust secondary mufflers.
Embodiment
With following examples, the utility model is further described by reference to the accompanying drawings.
As shown in Figure 1, a kind of mute power generator group, comprise silencing case and be arranged at the internal-combustion engine 4 in silencing case, described silencing case comprises casing 1, casing 1 is provided with intake grill, exhaust outlet and door, described intake grill is provided with air inlet silencer 2, described exhaust outlet is provided with silencer for air outlet 3, silencer for air outlet 3 is connected in the outlet pipe of described internal-combustion engine 4, silencer for air outlet 3 comprised a steel plate 5 for bending, as shown in Figure 3, steel plate 5 forms the passage 6 of a plurality of bending types, as shown in Figure 2, described casing 1 shell is outer cover of steel plate 7, outer cover of steel plate 7 inwalls are provided with sound-absorbing material layer 8, described door is provided with viewing window, viewing window is provided with double glazing.By generator set is increased to silencing case, silencing case comprises outer cover of steel plate 7 and sound-absorbing material layer 8, form effective sound insulating structure, a large amount of sound waves is reflected back toward casing 1 inside, form reverberation sound with original sound wave, by sound-absorbing material, to the internal noise processing that absorbs sound, reducing noise to the extraradial noise energy reducing in case simultaneously, thereby effectively reducing global noise level.Effectively block noise is propagated, noise source is blocked in quiet casing 1 inside, thereby reduce impact to external world, wherein, quiet casing 1 adopts natural air inlet, force air draft, entering, air draft produces hole, cause leakage sound, novel air inlet silencer 2 and the silencer for air outlet 3 of adding of this use, prevent that noise is from entering, wind output channel is outwards propagated, and the steel plate 5 of silencer for air outlet 3 forms a plurality of passages 6, this passage 6 is arranged to bending type, change the path of propagation of noise, when being propagated in sound-absorbing material, sound wave dissipates because being subject to friction that acoustic energy is converted into heat energy, and because the existence at turning makes noise can not directly pass through silencing channel 6, thereby effectively improve soundproof effect, reach the object of noise elimination, the weak link that the door arranging for convenient for maintaining and observed data and viewing window become sound-insulation wallboard, therefore viewing window arranges double glazing, effectively solve noise from door, the problem spreading out of in window and space, strengthen the sound-insulation capability of this weak part.
According to exhaust air rate and gas quantity, design silencer for air outlet 3, guarantees smoothly under prerequisite, to reach effective soundproof effect in air draft, and described bending type is waveform.Preferred embodiment is that described bending type is zigzag fashion.
Described air inlet silencer 2 comprises steel plate 5, and steel plate 5 is provided with a plurality of zigzag fashion passages 6.
For fear of the intrusion of rainwater, the outlet port of described air inlet silencer 2 and silencer for air outlet 3 is equipped with Rainproof louver window 10, and it is carried out to effectively protection.Concrete structure as shown in Figure 3.
Described sound-absorbing material layer 8 is fixing with described outer cover of steel plate 7 by perforated plate 9.The thickness of described outer cover of steel plate 7 is 2mm.Described sound-absorbing material layer 8 is rock wool layer.The thickness of described rock wool layer is 40mm.
According to sound insulation and sound absorption theory and formula, casing 1 shell adopts 2.0mm steel plate 5 to make, included 40mm sound-absorbing material, be preferably rock wool, then fixing with 1.0mm perforated plate 9, these several parts fit together as sound-insulation wallboard, more than can effectively intercepting noise 25dB.Wall panel structure as shown in Figure 2.
The outlet pipe of described internal-combustion engine 4 is also connected with exhaust secondary muffler 11.Exhaust sound on the basis of silencer for air outlet 3, adding exhaust secondary muffler 11 formation two-stage expansion mufflers, more than can reduce 30dB.
Finally should be noted that; above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection domain; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.

Claims (10)

1. a mute power generator group, it is characterized in that: comprise silencing case and be arranged at the internal-combustion engine in silencing case, described silencing case comprises casing, casing is provided with intake grill, exhaust outlet and door, described intake grill is provided with air inlet silencer, described exhaust outlet is provided with silencer for air outlet, silencer for air outlet is connected with the outlet pipe of described internal-combustion engine, silencer for air outlet comprises the steel plate of several layers of bending, between described adjacent two-layered steel plates, form bent passage, described cabinet shell is outer cover of steel plate, outer cover of steel plate inwall is provided with sound-absorbing material layer, described door is provided with viewing window, viewing window is provided with double glazing.
2. a kind of mute power generator group according to claim 1, is characterized in that: described bent passage is waveform bent passage.
3. a kind of mute power generator group according to claim 1, is characterized in that: described bent passage is zigzag fashion bent passage.
4. a kind of mute power generator group according to claim 1, is characterized in that: the thickness of described outer cover of steel plate is 2mm.
5. a kind of mute power generator group according to claim 1, is characterized in that: described sound-absorbing material layer is rock wool layer.
6. a kind of mute power generator group according to claim 5, is characterized in that: the thickness of described rock wool layer is 40mm.
7. a kind of mute power generator group according to claim 1, is characterized in that: described sound-absorbing material layer is fixed by perforated plate and described outer cover of steel plate.
8. a kind of mute power generator group according to claim 1, is characterized in that: the outlet pipe of described internal-combustion engine is also connected with exhaust secondary muffler.
9. a kind of mute power generator group according to claim 1, is characterized in that: the outlet port of described air inlet silencer and silencer for air outlet is equipped with Rainproof louver window.
10. a kind of mute power generator group according to claim 1, is characterized in that: described air inlet silencer comprises the steel plate of several layers of bending, between described adjacent two-layered steel plates, forms bent passage.
CN201320379579.8U 2013-06-28 2013-06-28 Silent generator set Expired - Fee Related CN203420783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320379579.8U CN203420783U (en) 2013-06-28 2013-06-28 Silent generator set

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320379579.8U CN203420783U (en) 2013-06-28 2013-06-28 Silent generator set

Publications (1)

Publication Number Publication Date
CN203420783U true CN203420783U (en) 2014-02-05

Family

ID=50019882

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320379579.8U Expired - Fee Related CN203420783U (en) 2013-06-28 2013-06-28 Silent generator set

Country Status (1)

Country Link
CN (1) CN203420783U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863833A (en) * 2015-01-23 2016-08-17 上海豪顿动力设备有限公司 Heat dissipation and silencing structure of power generator unit
CN106762137A (en) * 2017-02-23 2017-05-31 福建润达动力机械有限公司 A kind of Novel sound-silencing generating set
CN107630749A (en) * 2017-10-26 2018-01-26 江苏东方康弛机电科技有限公司 A kind of sound attenuated enclosure of diesel generation sets
CN108755469A (en) * 2018-06-21 2018-11-06 安徽中源环保科技有限公司 A kind of highway noise barrier
CN110500182A (en) * 2019-08-29 2019-11-26 重庆隆鑫通航发动机制造有限公司 Generating set

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105863833A (en) * 2015-01-23 2016-08-17 上海豪顿动力设备有限公司 Heat dissipation and silencing structure of power generator unit
CN106762137A (en) * 2017-02-23 2017-05-31 福建润达动力机械有限公司 A kind of Novel sound-silencing generating set
CN107630749A (en) * 2017-10-26 2018-01-26 江苏东方康弛机电科技有限公司 A kind of sound attenuated enclosure of diesel generation sets
CN108755469A (en) * 2018-06-21 2018-11-06 安徽中源环保科技有限公司 A kind of highway noise barrier
CN110500182A (en) * 2019-08-29 2019-11-26 重庆隆鑫通航发动机制造有限公司 Generating set

Similar Documents

Publication Publication Date Title
US20210071579A1 (en) Soundproof cabin of turbine engine
CN203420783U (en) Silent generator set
CN201474756U (en) Single-row gas pipe muffler for diesel generator
CN203160760U (en) Noise abatement machine room
JP5771629B2 (en) Soundproof board that does not obstruct airflow
CN210013744U (en) Motorcycle exhaust pipe silencing device
CN206611079U (en) A kind of ventilation noise reduction system of mobile power vehicle
CN101660353A (en) Noise reduction chamber
CN204164042U (en) A kind of air exhausting soundproofing elbow for 35kV transformer chamber
CN106150601A (en) Combined type muffler
CN103711338A (en) Ultra-silent diesel generating set machine room and noise control method
CN202991298U (en) Ultra silent generator double-layer sound isolation type air inlet system
CN202117739U (en) Resistant/retardant combined type exhaust muffler
CN212967087U (en) Environment-friendly silencer
CN204703983U (en) The effective silencing apparatus of a kind of automobile exhaust
CN203716542U (en) Diesel generating set machine room
CN205779242U (en) A kind of mute power generator group
CN208702536U (en) A kind of super-silent van-type structure diesel generating set
CN203035342U (en) Mute type diesel power unit
CN110735704A (en) silencer wind scooper for general gasoline engine
CN2428575Y (en) Exhausting silencer
CN201162917Y (en) Generator mute cover
CN216077327U (en) Novel noise reduction structure of diesel generating set
CN201687552U (en) Gasoline exhaust muffler
CN210948864U (en) Silencer wind scooper for general gasoline engine

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140205

Termination date: 20170628