CN209129742U - A kind of container-type low-noise generator group - Google Patents
A kind of container-type low-noise generator group Download PDFInfo
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- CN209129742U CN209129742U CN201821688772.9U CN201821688772U CN209129742U CN 209129742 U CN209129742 U CN 209129742U CN 201821688772 U CN201821688772 U CN 201821688772U CN 209129742 U CN209129742 U CN 209129742U
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Abstract
The utility model provides a kind of container-type low-noise generator group device, is related to generating equipment technical field, and solving container-type generating set existing in the prior art reduces the general technical problem of noise result.The device includes cabinet and generating set；The generating set is installed in the cabinet；It is provided with multiple first cushion sockets below the generating set, is provided with multiple second cushion sockets below the cabinet；The cabinet wall side of the body side and top surface is provided with wave crest silencing cotton；The exhaust gas that the generating set generates is discharged to except the cabinet by exhaust pipe, the exhaust pipe is provided with impedance complex silencing apparatus, the impedance complex silencing apparatus includes five sections, the reactive muffling structure of the impedance complex silencing apparatus is expansion chambers, and the resistance noise reduction structure of the impedance complex silencing apparatus is that mineral wool wraps up perforated plate.Container-type low-noise generator group provided by the utility model has the characteristics that low noise.
Description
Technical field
The utility model relates to generating equipment technical fields, more particularly, to a kind of container-type low-noise generator group.
Background technique
Diesel generating set is widely used in various occasions as backup power source, as the communications industry, financial and monetary sector,
Hospital, school, factory's computer room, aerodrome traffic industry, megastore communal facility place, construction site, disaster-stricken scene also some
Insufficient remote districts of electric power etc..Container-type diesel generating set is a kind of common generating equipment, and at home and foreign countries have
It is widely applied, because TEU (Twenty-foot Equivalent Unit) is in the versatility and convenience of sea-freight and highway transportation, so that container-type generator
Group is received by users.Diesel generating set is at work, it will usually generate the noise of 100dB or more.Noise mainly by
Noise, exhaust noise, exhaust noise, mechanical noise etc. is entered the wind to constitute.
Applicants have discovered that at least there is following technical problem in the prior art:
The effect that the sound-insulating structure of existing container-type generating set reduces noise is general, generating set work Shi Huixiang
Surrounding propagates biggish noise, seriously affects people's lives and rest.
Summary of the invention
The purpose of this utility model is to provide a kind of container-type low-noise generator groups, to solve to deposit in the prior art
Container-type generating set reduce the general technical problem of noise result.In many technical solutions provided by the utility model
The many technical effects elaboration as detailed below that can be generated of optimal technical scheme.
To achieve the above object, the utility model provides following technical scheme:
Container-type low-noise generator group provided by the utility model, including cabinet and generating set；The generator
Group is installed in the cabinet；It is provided with multiple first cushion sockets below the generating set, is provided with below the cabinet more
A second cushion socket；The cabinet wall side of the body side and top surface is provided with wave crest silencing cotton；The generating set generates
Exhaust gas be discharged to except the cabinet by exhaust pipe, the exhaust pipe is provided with impedance complex silencing apparatus, and the impedance is multiple
Closing silencing apparatus includes five sections, and the reactive muffling structure of the impedance complex silencing apparatus is expansion chambers, and the impedance complex disappears
The resistance noise reduction structure of acoustic device is that mineral wool wraps up perforated plate.
Optionally, the reactive muffling structure is impedance complex silencing apparatus first segment, impedance complex silencing apparatus third
Section and the 5th section of impedance complex silencing apparatus.
Optionally, the resistance noise reduction structure is impedance complex silencing apparatus second segment and impedance complex silencing apparatus the 4th
Section.
Optionally, the perforated plate of the impedance complex silencing apparatus second segment is two.
Optionally, the perforated plate of the 4th section of the impedance complex silencing apparatus is one.
Optionally, generating set exhaust outlet is provided at the top of the cabinet, generating set exhaust pipe passes through the power generation
The junction of unit exhaust outlet and the two is provided with buffer layer.
Optionally, the wave crest silencing cotton is fixed by perforated metal.
Optionally, the front of the cabinet is provided with machine room door, between the machine room door and doorframe and doorframe with it is described
The gap of cabinet is filled by silencing cotton, and is sealed by sealing strip.
Optionally, the front and back of the cabinet is respectively arranged with the air inlet and air outlet that position mutually staggers, and
The air inlet and the air outlet are shutter.
Optionally, the gap between the window frame of the shutter and the cabinet is filled by silencing cotton, and
It is sealed by sealing strip.
Any of the above-described technical solution at least can produce following technical effect:
A kind of container-type low-noise generator group provided by the utility model reduces working well for noise.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of container-type low-noise generator group；
Fig. 2 is the positive intention of container-type low-noise generator group；
Fig. 3 is the schematic diagram of impedance complex silencing apparatus；
Fig. 4 is the schematic diagram of cabinet wall side.
100, cabinet in figure；110, the second cushion socket；120, wave crest silencing cotton；130, perforated metal；140, in cabinet
Wall side；150, machine room door；160, air inlet；170, air outlet；180, generating set exhaust outlet；190, buffer layer；200, it generates electricity
Unit；210, the first cushion socket；220, generating set exhaust pipe；230, impedance silencing apparatus；231, impedance complex silencing apparatus
First segment；232, impedance complex silencing apparatus second segment；233, impedance complex silencing apparatus third section；234, impedance complex is eliminated the noise
The 4th section of device；235, the 5th section of impedance complex silencing apparatus；236, mineral wool；237, perforated plate；238, impedance complex is eliminated the noise
Device air inlet；239, impedance complex silencing apparatus exhaust outlet.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model
Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work
Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
As shown in Figure 1, Figure 2 and Figure 4, the utility model provides a kind of container-type low-noise generator group, including case
Body 100 and generating set 200, generating set 200 are installed in cabinet 100.Multiple first are provided with below generating set 200 to subtract
Seat 210 is shaken, reduces the vibration of generating set to reduce noise；It is provided with multiple second cushion sockets 110 below cabinet 100, drops
The vibration of low cabinet 100 and generating set 200, to reduce noise.The cabinet wall side 140 of 100 side of cabinet and top surface is set
It is equipped with wave crest silencing cotton 120, the uneven structure of wave crest silencing cotton 120 preferably can generate frictional resistance to sound and stick
Stagnant power can convert thermal energy for more sound and distribute, so that playing preferably reduces noise result.Generating set 200 generates useless
Gas is discharged to except cabinet 100 by generating set exhaust pipe 220, and generating set exhaust pipe 220 is provided with impedance complex noise elimination dress
230 are set, impedance complex silencing apparatus 230 includes five sections, and the reactive muffling structure of impedance complex silencing apparatus 230 is expansion chambers,
The resistance noise reduction structure of impedance complex silencing apparatus 230 is that mineral wool 236 wraps up perforated plate 237.Exhaust noise is generating set
200 most important noise sources, what impedance complex silencing apparatus 230 was handled aiming at exhaust noise.Impedance complex is eliminated the noise
The reactive muffling structure of device 230 realizes the mutation in 220 section of generating set exhaust pipe using expansion chambers, reflects sound wave
Or interference is suitable for eliminating Middle and low frequency noise so that acoustic wave segment be made no longer to continue to propagate along pipeline, achieve the purpose that noise elimination.
The resistance noise reduction structure of impedance complex silencing apparatus 230 reduces noise, glass using this sound-absorbing porous material of mineral wool 236
Cotton 236 is fixed on the inner wall of generating set exhaust pipe 220, by air-flow in perforated plate 237, after sound wave enters, due to rubbing
The effect of power and viscosity resistance is wiped, part sound can be converted into heat energy dissipation, play the role of noise elimination, can preferably eliminate middle and high
Frequency noise.Resistance noise reduction structure is combined mainly for medium-high frequency noise, reactive muffling structure mainly for middle low frequency noise, the two
The impedance complex silencing apparatus 230 to get up can obtain good noise elimination effect within the scope of wider frequency noise, and impedance is multiple
Closing silencing apparatus 230 includes five sections, and more improving container-type low-noise generator group reduces the effect of noise.
Optionally embodiment, as shown in figure 3, reactive muffling structure be impedance complex silencing apparatus first segment 231,
Impedance complex silencing apparatus third section 233 and the 5th section 235 of impedance complex silencing apparatus.Resistance noise reduction structure disappears for impedance complex
Acoustic device second segment 232 and the 4th section 234 of impedance complex silencing apparatus.The perforated plate of impedance complex silencing apparatus second segment 232
It is 238 two.The perforated plate 238 that the 4th section 234 of impedance complex silencing apparatus is one.The exhaust gas gas that generating set 200 generates
It flows through impedance complex silencing apparatus air inlet 238 and enters the impedance complex silencing apparatus first segment 231 i.e. expansion of reactive muffling structure
Room is opened, blocking of the sound wave by expansion chambers wall surface makes sound energy attenuation in multiple reflections and interference, while air velocity is due to stream
Lead to the expansion in section and reduce, also inhibits the generation of regenerated noise.Then air-flow passes through two perforated plates 237 and mineral wool
The impedance complex silencing apparatus second segment 232 of 236 compositions is resistance noise reduction structure, after air-flow enters two perforated plates 237,
Mineral wool 236 absorbs the part high-frequency noise of exhaust, and 237 sectional area of perforated plate is provided with some micropores, and micro-pore diameter is preferred
For 1-3mm, such structure has the function of transition frequency, and part Middle and low frequency noise can be transferred to the imperceptible frequency of human ear
Section receives range, realizes the purpose for reducing audible sound.Then air-flow enters 233 i.e. resistance of impedance complex silencing apparatus third section and disappears
The expansion chambers of acoustic form realize function identical with impedance complex silencing apparatus first segment 231.Following air-flow enters by one
The 4th section 234 of impedance complex silencing apparatus of perforated plate 237 and the composition of mineral wool 236, with impedance complex silencing apparatus second segment
232 match absorption high-frequency noise, while two sections of structure is different, and the effect for absorbing high-frequency noise is more preferable.Last air-flow enters
The 5th section 235 of the impedance complex silencing apparatus i.e. expansion chambers of reactive muffling structure are realized and impedance complex silencing apparatus first segment
231 and the identical function of impedance complex silencing apparatus third section 233.Final air-flow passes through impedance complex silencing apparatus exhaust outlet
239 discharge impedance silencing apparatus 230.By five segment structures, in exhaust noise high frequency noise and low-frequency noise all carry out
It reduces well, has the effect of preferably reducing container-type generating set noise.
Optionally embodiment, as shown in Figure 1, the top of cabinet 100 is provided with generating set exhaust outlet 180, hair
Motor group exhaust pipe 220 passes through generating set exhaust outlet 180, the company of generating set exhaust pipe 220 and generating set exhaust outlet 180
The place of connecing is provided with buffer layer 190.Exhaust noise is the most important noise source of generating set, and generating set is arranged when generating set works
Tracheae 220, which has significantly vibration, buffer layer 190, can reduce the vibration of generating set exhaust pipe 220, generating set is arranged
The part sound of tracheae 220 can be converted into thermal energy and distribute, the final noise for reducing the vibration of generating set exhaust pipe 220 and generating.
Optionally embodiment, as shown in figure 4, wave crest silencing cotton 120 is fixed by perforated metal 130.
Wave crest silencing cotton 120 is filled as deadener, constitutes noise elimination compoboard with perforated metal 130, when sound wave enters
When noise elimination compoboard, improve cabinet 100 in sound field environment, a part of sound can rub in the hole of perforated metal 130 and
It is converted to thermal dissipation, so that playing preferably reduces noise result.
Optionally embodiment, as shown in Fig. 2, the front of cabinet 100 is provided with machine room door 150, machine room door 150 with
Between the doorframe and gap of doorframe and cabinet 100 is filled by silencing cotton, and is sealed by sealing strip.Machine room door
150 facilitate into cabinet 100 and carry out operation and maintenance to generating set 200, and silencing cotton is because frictional resistance and viscous force are by sound
Thermal energy can be converted into and dissipated, to achieve the purpose that noise elimination.Silencing cotton and sealing strip can reduce noise and pass through machine room door
150 to outward leakage.
Optionally embodiment, as shown in Fig. 2, to be respectively arranged with position mutually wrong for the front and back of cabinet 100
The position of the air inlet 160 and air outlet 170 opened, air inlet 160 and air outlet 170, which mutually staggers, can be realized better reduction
The effect of noise.Air inlet 160 and air outlet 170 are shutter, be can satisfy required for generating set 200 works
Air inlet and the outlet requirement, the resistance that air-flow passes through is small, and sound deadening capacity is big and good appearance.The material of shutter is preferably that aluminium closes
Gold can have fire prevention, rain-proof, moisture-proof advantage after closing.Gap between the window frame and cabinet 100 of shutter passes through
Silencing cotton is filled, and silencing cotton dissipates due to frictional resistance and viscous force can convert thermal energy for sound, to reach noise elimination
Purpose.Silencing cotton and sealing strip sealing are filled, can utmostly reduce the noise of generating set by air inlet 160 and is gone out
Air port 170 is to outward leakage.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power
Subject to the protection scope that benefit requires.
Claims (10)
1. a kind of container-type low-noise generator group, which is characterized in that including cabinet and generating set；The generating set peace
Loaded in the cabinet；It is provided with multiple first cushion sockets below the generating set, multiple the are provided with below the cabinet
Two cushion sockets；The cabinet wall side of the body side and top surface is provided with wave crest silencing cotton；The generating set generates useless
Gas is discharged to except the cabinet by exhaust pipe, and the exhaust pipe is provided with impedance complex silencing apparatus, and the impedance complex disappears
Acoustic device includes five sections, and the reactive muffling structure of the impedance complex silencing apparatus is expansion chambers, and the impedance complex, which is eliminated the noise, to be filled
The resistance noise reduction structure set is that mineral wool wraps up perforated plate.
2. container-type low-noise generator group according to claim 1, which is characterized in that the reactive muffling structure is
Impedance complex silencing apparatus first segment, impedance complex silencing apparatus third section and the 5th section of impedance complex silencing apparatus.
3. container-type low-noise generator group according to claim 1, which is characterized in that the resistance noise reduction structure is
Impedance complex silencing apparatus second segment and the 4th section of impedance complex silencing apparatus.
4. container-type low-noise generator group according to claim 3, which is characterized in that the impedance complex, which is eliminated the noise, to be filled
The perforated plate for setting second segment is two.
5. container-type low-noise generator group according to claim 3, which is characterized in that the impedance complex, which is eliminated the noise, to be filled
The perforated plate for setting the 4th section is one.
6. container-type low-noise generator group according to claim 1, which is characterized in that the top of the cabinet is arranged
There is generating set exhaust outlet, generating set exhaust pipe is provided with damping by the junction of the generating set exhaust outlet and the two
Layer.
7. container-type low-noise generator group according to claim 1, which is characterized in that the wave crest silencing cotton passes through
Perforated metal is fixed.
8. container-type low-noise generator group according to claim 1, which is characterized in that the front setting of the cabinet
There is machine room door, between the machine room door and doorframe and gap of doorframe and the cabinet is filled by silencing cotton, and is led to
Sealing strip is crossed to be sealed.
9. container-type low-noise generator group according to claim 1, which is characterized in that the front of the cabinet and back
Face is respectively arranged with the air inlet and air outlet that position mutually staggers, and the air inlet and the air outlet are shutter knot
Structure.
10. container-type low-noise generator group according to claim 9, which is characterized in that the shutter
Gap between window frame and the cabinet is filled by silencing cotton, and is sealed by sealing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821688772.9U CN209129742U (en) | 2018-10-17 | 2018-10-17 | A kind of container-type low-noise generator group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821688772.9U CN209129742U (en) | 2018-10-17 | 2018-10-17 | A kind of container-type low-noise generator group |
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| Publication Number | Publication Date |
|---|---|
| CN209129742U true CN209129742U (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821688772.9U Active CN209129742U (en) | 2018-10-17 | 2018-10-17 | A kind of container-type low-noise generator group |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320586A (en) * | 2021-11-23 | 2022-04-12 | 福州德塔电源技术有限公司 | Diesel generating set installs cabinet |
-
2018
- 2018-10-17 CN CN201821688772.9U patent/CN209129742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114320586A (en) * | 2021-11-23 | 2022-04-12 | 福州德塔电源技术有限公司 | Diesel generating set installs cabinet |
| CN114320586B (en) * | 2021-11-23 | 2023-12-26 | 福州德塔电源技术有限公司 | Diesel generating set installation cabinet |
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