CN209714613U - A kind of noise reduction fog gun of dust suppression vehicle - Google Patents
A kind of noise reduction fog gun of dust suppression vehicle Download PDFInfo
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- CN209714613U CN209714613U CN201920158831.XU CN201920158831U CN209714613U CN 209714613 U CN209714613 U CN 209714613U CN 201920158831 U CN201920158831 U CN 201920158831U CN 209714613 U CN209714613 U CN 209714613U
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- noise reduction
- fog gun
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Abstract
The utility model discloses a kind of noise reduction fog guns of dust suppression vehicle, including fog gun ontology, fog gun ontology both ends are connected separately with air inlet and air outlet, air inlet and air outlet inner peripheral surface are provided with noise reduction orifice plate, air guide structure is provided in air outlet, air guide structure includes wind-guiding head and wind deflector, wind deflector side is removably connected on the outer peripheral surface of wind-guiding head, the other side of wind deflector is connected on the inner peripheral surface of air outlet, and wind deflector offers the noise reduction tooth socket of the depths such as several and triangular shape setting far from air inlet one end；The utility model is respectively provided with noise reduction orifice plate by the air inlet and air outlet inner peripheral surface in fog gun ontology, realizes the effect to air inlet noise reduction；The noise reduction tooth socket being arranged by the depths such as several and triangular shape, reduce the self-excited vibration that wind deflector is excited because of air-swirl division, realize by upset wind deflector between periodic wake flow and avoid air-flow from separating, with have the function that air outlet drop low wind noise.
Description
Technical field
The utility model relates to environmental sanitation equipment technology fields, more specifically, it relates to a kind of noise reduction fog gun of dust suppression vehicle.
Background technique
The dust pollution of air, in order to reduce the dust in air, is gone out in the market an important factor for forming haze weather
Showing a kind of remote spray device, it is a kind of by being made water fogging ejection using micro-atomizing nozzle that fog gun machine, which is also referred to as spraying machine,
Water fog particle after atomization is sent to longer-distance device by the air quantity and wind pressure of recycling blower；But due in spray nozzle
The water mist of ejection is that the wind-force for the blower installed inside cannon spray head is sent out, and can be generated very when blower high speed rotational operation
Big noise, and there is no noise reduction process at the air inlet and air outlet of existing environment-friendly type spraying apparatus, while dropping in inside
It makes an uproar and handles arbitrarily, so that fan noise is huge under Same Efficieney, tremendous influence is caused to normal life, the rest of resident.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of noise reduction fog gun of dust suppression vehicle,
Have the advantages that reduce noise.
To achieve the above object, the utility model provides following technical solution:
A kind of noise reduction fog gun of dust suppression vehicle, including fog gun ontology, fog gun ontology both ends be connected separately with air inlet and
The inner peripheral surface of air outlet, the air inlet and the air outlet is provided with noise reduction orifice plate, is provided with wind-guiding in the air outlet
Structure, the air guide structure include wind-guiding head and wind deflector, and the wind deflector side is removably connected to the outer of the wind-guiding head
On circumferential surface, the other side of the wind deflector is connected on the inner peripheral surface of the air outlet, and the wind deflector is far from the air inlet
One end offers the noise reduction tooth socket of the depths such as several and triangular shape setting.
Further setting: the vee gutter base angle degree of the noise reduction tooth socket is 50 ° to 60 °.
Further setting: sound absorbing layer is provided between the noise reduction orifice plate and the inner peripheral surface of the air inlet.
Further setting: the fog gun ontology is connected with noise reduction ring close to the outer peripheral surface of the air inlet.
Further setting: the outer peripheral surface of the wind-guiding head is connected with acoustical cotton.
Further setting: the inner wall of the fog gun ontology is provided with sound insulation thin plate.
Further setting: absorbent wool is provided between the sound insulation thin plate and the fog gun ontology.
Further setting: the air inlet is connected with noise reduction protective mesh enclosure, and the noise reduction protective mesh enclosure uses foam metal
Sound-absorbing material.
In conclusion the utility model is realized by noise reduction orifice plate to noise reduction at the air inlet and air outlet of fog gun ontology
Effect；By noise reduction tooth socket, reduce the self-excited vibration that wind deflector is excited because of air-swirl division, realize upset wind deflector it
Between periodic wake flow with avoid air-flow from separating, and then with have the function that air outlet drop low wind noise.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
The partial sectional view of the position Fig. 2 the utility model embodiment；
Fig. 3 is the structural schematic diagram of noise reduction tooth socket in the utility model embodiment.
In figure: 1, fog gun ontology；2, air inlet；3, air outlet；4, noise reduction orifice plate；5, air guide structure；6, wind-guiding head；7, it leads
Aerofoil；8, noise reduction tooth socket；9, sound absorbing layer；10, noise reduction ring；11, acoustical cotton；12, sound insulation thin plate；13, absorbent wool；14, noise reduction is anti-
Protective net cover.
Specific embodiment
It is described further referring to figs. 1 to noise reduction fog gun of the Fig. 3 to dust suppression vehicle.
A kind of noise reduction fog gun of dust suppression vehicle, as shown in Figure 1, including fog gun ontology 1,1 both ends of fog gun ontology are connected separately with
Air inlet 2 and air outlet 3；
As shown in Figure 1, the inner peripheral surface of air inlet 2 is provided with noise reduction orifice plate 4, the inner peripheral surface of noise reduction orifice plate 4 and air inlet 2 it
Between be provided with sound absorbing layer 9；Air inlet 2 is connected with protection net 14, and noise reduction protective mesh enclosure 14 uses foam metal sound-absorbing material.
As shown in Figures 2 and 3, the inner peripheral surface of air outlet 3 is also equipped with noise reduction orifice plate 4, and wind-guiding knot is provided in air outlet 3
Structure 5, air guide structure 5 include wind-guiding head 6 and wind deflector 7, and the outer peripheral surface of wind-guiding head 6 is connected with acoustical cotton 11；7 side of wind deflector can
In on the outer peripheral surface of wind-guiding head 6,6 other side of wind deflector is connected on the inner peripheral surface of air outlet 3 dismantling connection；Wind deflector 7 is separate
2 one end of air inlet offers the noise reduction tooth socket 8 of the depths such as several and triangular shape setting；The vee gutter bottom of noise reduction tooth socket 8
Angle is 50 ° to 60 °；The length of the one end of the number of noise reduction tooth socket 8 according to wind deflector far from air inlet 2 is set；This is practical
8 close-packed arrays of noise reduction tooth socket of new embodiment, and indention shape is arranged.
As shown in Fig. 2, the inner wall of fog gun ontology 1 is provided with sound insulation thin plate 12；It is set between sound insulation thin plate 12 and fog gun ontology 1
It is equipped with absorbent wool 13；Fog gun ontology 1 is connected with noise reduction ring 10 close to the outer peripheral surface of air inlet 2.
Working principle: being respectively provided with noise reduction orifice plate 4 by the air inlet 2 and 3 inner peripheral surface of air outlet in fog gun ontology 1, realizes
Effect to noise reduction at air inlet 2 and air outlet 3；By noise reduction tooth socket 8, upset the frequency of air-swirl separation, reduce because
Air-swirl divides and excites the self-excited vibration of wind deflector 7, to realize the periodic wake flow upset between wind deflector 7 and keep away
Exempt from air-flow separation, to have the function that drop low wind noise to air outlet 3；The vee gutter base angle degree of noise reduction tooth socket 8 be 50 ° extremely
It is 60 °, obvious by noise reduction effect compared with traditional fog gun blower, it is tested by decibel instrument, noise substantially reduces, and substantially reduces
Harm to construction environment around and personnel.
In addition, effectively absorbing fog gun by the sound absorbing layer 9 being set between noise reduction orifice plate 4 and the inner peripheral surface of air inlet 2
The noise that blower work in ontology 1 generates, plays the Noise Reduction at enhancing air inlet 2；By being connected to the outer of air inlet 2
The noise reduction ring 10 of circumferential surface, further enhances the effect of 2 noise reduction of air inlet；By being connected to the acoustical cotton 11 of 6 outer peripheral surface of wind-guiding head,
The effective noise for absorbing the distinguished and admirable generation between 3 wind deflector 7 of air outlet；Realize the Noise Reduction at enhancing air outlet 3；Pass through
It is set to the sound insulation thin plate 12 of the inner wall of fog gun ontology 1, what the motor and blower effectively completely cut off in fog gun ontology 1 generated when working
Noise, realizing reduces the adverse effect that the noise in fog gun ontology 1 generates worker's machine external world；Pass through sound insulation thin plate 12 and fog gun
The absorbent wool 13 being arranged between ontology 1 can be effectively prevented water mist and enter on the blower in fog gun ontology 1, improve fog gun ontology 1
Whole service life；By being connected to the protection net 14 of air inlet 2, play prevent the impurity such as leaf by air inlet 2 into
Enter the effect in fog gun ontology 1, meanwhile, noise reduction protective mesh enclosure 14 uses foam metal sound-absorbing material, and playing effectively to drop
The turbulence degree of low 2 air inlet of air inlet, the aerodynamic noise that the fan blade so as to be effectively reduced in fog gun ontology 1 generates.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of noise reduction fog gun of dust suppression vehicle, it is characterised in that: including fog gun ontology, fog gun ontology both ends are connected separately with
The inner peripheral surface of air inlet and air outlet, the air inlet and the air outlet is provided with noise reduction orifice plate, sets in the air outlet
It is equipped with air guide structure, the air guide structure includes wind-guiding head and wind deflector, and the wind deflector side is removably connected to described lead
On the outer peripheral surface of public attention, the other side of the wind deflector is connected on the inner peripheral surface of the air outlet, and the wind deflector is far from institute
State the noise reduction tooth socket that air inlet one end offers the depths such as several and triangular shape setting.
2. a kind of noise reduction fog gun of dust suppression vehicle according to claim 1, it is characterised in that: the triangle of the noise reduction tooth socket
Slot bottom angle is 50 ° to 60 °.
3. a kind of noise reduction fog gun of dust suppression vehicle according to claim 1, it is characterised in that: the noise reduction orifice plate and it is described into
Sound absorbing layer is provided between the inner peripheral surface in air port.
4. a kind of noise reduction fog gun of dust suppression vehicle according to claim 1, it is characterised in that: the fog gun ontology is close to described
The outer peripheral surface of air inlet is connected with noise reduction ring.
5. a kind of noise reduction fog gun of dust suppression vehicle according to claim 1, it is characterised in that: the outer peripheral surface of the wind-guiding head connects
It is connected to acoustical cotton.
6. a kind of noise reduction fog gun of dust suppression vehicle according to claim 1, it is characterised in that: the inner wall of the fog gun ontology is set
It is equipped with sound insulation thin plate.
7. a kind of noise reduction fog gun of dust suppression vehicle according to claim 6, it is characterised in that: the sound insulation thin plate and the mist
Absorbent wool is provided between big gun ontology.
8. a kind of noise reduction fog gun of dust suppression vehicle according to claim 1, it is characterised in that: the air inlet is connected with noise reduction
Protection net, the noise reduction protective mesh enclosure use foam metal sound-absorbing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920158831.XU CN209714613U (en) | 2019-01-30 | 2019-01-30 | A kind of noise reduction fog gun of dust suppression vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920158831.XU CN209714613U (en) | 2019-01-30 | 2019-01-30 | A kind of noise reduction fog gun of dust suppression vehicle |
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| Publication Number | Publication Date |
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| CN209714613U true CN209714613U (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920158831.XU Active CN209714613U (en) | 2019-01-30 | 2019-01-30 | A kind of noise reduction fog gun of dust suppression vehicle |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822199A (en) * | 2020-07-25 | 2020-10-27 | 唐翠华 | A spraying apparatus for municipal administration dust fall |
| CN112593995A (en) * | 2020-11-20 | 2021-04-02 | 西南交通大学 | Fog gun type foam dust removal system |
| CN113731080A (en) * | 2021-10-09 | 2021-12-03 | 广东卓正建设工程有限公司 | Dust falling device and dust falling method for municipal construction |
-
2019
- 2019-01-30 CN CN201920158831.XU patent/CN209714613U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822199A (en) * | 2020-07-25 | 2020-10-27 | 唐翠华 | A spraying apparatus for municipal administration dust fall |
| CN112593995A (en) * | 2020-11-20 | 2021-04-02 | 西南交通大学 | Fog gun type foam dust removal system |
| CN113731080A (en) * | 2021-10-09 | 2021-12-03 | 广东卓正建设工程有限公司 | Dust falling device and dust falling method for municipal construction |
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