CN203420783U - Silent generator set - Google Patents
Silent generator set Download PDFInfo
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- 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
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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
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.
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)
| 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 |
-
2013
- 2013-06-28 CN CN201320379579.8U patent/CN203420783U/en not_active Expired - Fee Related
Cited By (5)
| 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 |
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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 |