CN217699654U - Noise-reducing spraying device - Google Patents
Noise-reducing spraying device Download PDFInfo
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- CN217699654U CN217699654U CN202221816343.1U CN202221816343U CN217699654U CN 217699654 U CN217699654 U CN 217699654U CN 202221816343 U CN202221816343 U CN 202221816343U CN 217699654 U CN217699654 U CN 217699654U
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- tubular shell
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- counterweight
- rectifying structure
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Abstract
The utility model discloses a spray device of making an uproar falls. Comprises a tubular shell, an air feeder, a sprayer, a rectifying structure and a counterweight; the tubular shell is provided with an air inlet and an air outlet; the air feeder is connected with the air inlet of the tubular shell and used for outputting airflow to the interior of the tubular shell; the sprayer is connected with the air outlet of the tubular shell and is used for spraying atomized liquid to the airflow output from the air outlet of the tubular shell; the rectifying structure is arranged in the tubular shell and used for adjusting the turbulent flow in the tubular shell to convert the turbulent flow into a steady flow; the counterweight is rigidly connected with the tubular shell and is used for increasing the weight of the tubular shell so that the tubular shell is difficult to generate resonance phenomenon under the action of aerodynamic force. The utility model discloses an inside air current of rectification structure adjustment tubulose casing makes it turn into the stationary flow from the turbulent flow, reduces the turbulent flow noise that gas molecule collided the production mutually, reduces the vibration noise that produces when the tubulose casing received gas impact force simultaneously.
Description
Technical Field
The utility model relates to a atomizer field, concretely relates to atomizer of making an uproar falls.
Background
At present, the air-assisted sprayer is widely applied to operation environments such as construction site dust removal, agricultural pesticide application, factory production and the like, the outstanding problem in the use process is that the noise is large, and the measurement results of technicians in the field show that the noise of an air inlet of the air-assisted sprayer reaches 99.6dB, the noise of an air outlet reaches 92.9dB, the noise mainly comes from turbulent flow noise formed by collision between air molecules at an air outlet of the air-assisted sprayer and resonance phenomenon of a fan shell, namely noise measurement and noise reduction analysis of the air-assisted sprayer.
The technical personnel in the field use various noise reduction materials to be attached inside the fan shell, so that the noise of the air-assisted sprayer can be reduced by 2.1dB at most, and the noise reduction effect is not obvious, therefore, how to reduce the turbulent flow formed by the air outlet gas of the air-assisted sprayer and the resonance of the fan shell is the problem to be solved by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a spray device of making an uproar falls to solve the too big technical problem of current spray device noise.
In order to solve the above technical problem, the utility model particularly provides the following technical scheme:
a noise-reducing spraying device comprises a tubular shell, a spraying device and a spraying device, wherein the tubular shell is provided with an air inlet and an air outlet; the air supply device is connected with the air inlet of the tubular shell and is used for outputting airflow to the interior of the tubular shell; the sprayer is connected with the air outlet of the tubular shell and is used for spraying atomized liquid to the airflow output from the air outlet of the tubular shell; the rectifying structure is arranged inside the tubular shell and used for adjusting turbulent flow inside the tubular shell to enable the turbulent flow to be converted into stable flow; the counterweight is rigidly connected with the tubular shell and is used for increasing the weight of the tubular shell so that the tubular shell is difficult to generate a resonance phenomenon under the action of aerodynamic force.
Preferably, the tubular housing is removably connected to the blower.
Preferably, the tubular housing is removably connected to the counterweight.
Preferably, the tubular housing is in the shape of a circular tube.
Preferably, the rectifying structure is a cylinder formed with a plurality of air holes, the air holes axially penetrate through the rectifying structure, the rectifying structure is coaxially connected inside the tubular shell, and the rectifying structure can prevent the airflow inside the tubular shell from flowing from a passage outside the air holes.
Preferably, the air holes are distributed on the end face of the rectification structure in a honeycomb shape.
Preferably, a first connecting piece protruding inwards is formed on the inner wall of the tubular shell, a first through hole is formed in the first connecting piece, second connecting pieces protruding outwards are formed at two ends of the rectifying structure, a second through hole corresponding to the first through hole is formed in the second connecting pieces, and the tubular shell and the rectifying structure are connected through the first through hole and the second through hole by bolts.
Preferably, the tubular shell comprises an equal-diameter pipeline and a variable-diameter pipeline which are coaxially connected, the variable-diameter pipeline is in a horn shape, the equal-diameter pipeline is connected with the air feeder and the rectifying structure, and the variable-diameter pipeline is connected with the sprayer.
Preferably, a first flange is formed at one end of the equal-diameter pipeline, which is far away from the variable-diameter pipeline, and the air blower comprises a second flange used for connecting the first flange.
Preferably, the first flange is connected to the second flange through the counterweight, the counterweight is in a straight bar shape with a central hole, and the shape of the cross section of the counterweight is the same as that of the first flange.
Compared with the prior art, the utility model following beneficial effect has:
the utility model discloses a rectification structural adjustment the inside air current of tubulose casing makes it turn into the stationary flow from the turbulent flow, reduces the turbulent flow noise that the gaseous molecule collided mutually and produced, reduces simultaneously the vibration noise that produces when the tubulose casing received gas impact force.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a front view of a noise reducing spray device;
FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a perspective view of the noise reducing spray device of FIG. 1;
FIG. 4 is a perspective view of the noise reducing spray device of FIG. 2;
FIG. 5 is an exploded perspective view of the noise reducing spray device;
the reference numerals in the drawings denote the following, respectively:
1-a tubular housing; 1 a-equal diameter pipeline; 1 b-variable diameter pipeline; 1 c-a first connector; 1 d-a first flange;
2-an air blower; 2 a-a fan housing; 2 b-a motor; 2 c-fan blades; 2 d-a second flange;
3-sprayer; 3 a-water supply line; 3 b-an atomizing spray head;
4-a rectifying structure; 4 a-air holes; 4 b-a second connector;
5-a counterweight.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-5, the present invention provides:
a noise reducing spray device comprising:
the air conditioner comprises a tubular shell 1, wherein the tubular shell 1 is provided with an air inlet and an air outlet;
the air supply device 2 is connected with an air inlet of the tubular shell 1, and the air supply device 2 is used for outputting airflow to the interior of the tubular shell 1;
the sprayer 3 is connected with the air outlet of the tubular shell 1, and the sprayer 3 is used for spraying atomized liquid to the air flow output from the air outlet of the tubular shell 1;
the rectifying structure 4 is arranged inside the tubular shell 1, and the rectifying structure 4 is used for adjusting the turbulent flow inside the tubular shell 1 to convert the turbulent flow into a steady flow;
and the counterweight 5, the counterweight 5 is rigidly connected with the tubular shell 1, and the counterweight 5 is used for increasing the weight of the tubular shell 1 so as to prevent the tubular shell 1 from generating resonance phenomenon under the action of aerodynamic force.
Specifically, the tubular housing 1 is a straight tube, the blower 2 includes a blower housing 2a, a motor 2b and fan blades 2c, the motor 2b is used for driving the fan blades 2c to rotate so as to generate wind power, the sprayer 3 includes a water tank, a water pump, a water supply pipeline 3a and an atomizing nozzle 3b, the water tank and the water pump are not shown in the figure, the water pump is used for pumping water from the water tank and transmitting the water to the atomizing nozzle 3b through the water supply pipeline 3a, and the atomizing nozzle 3b sprays atomized liquid drops.
Axial-flow type atomizer has been constituteed to above-mentioned structure, and atomizer 3 is blown to far away by the air current at the water smoke that the air outlet formed, and the airflow direction of 1 inside of tubular casing is adjusted to fairing 4 to reduce the gas turbulence that the air outlet formed, thereby reduce the noise of air outlet.
Further, in order to adjust the spraying distance of the noise reduction spraying device:
the tubular casing 1 is detachably connected to the blower 2.
The staff can select the air feeder 2 of different powers as required, is connected it with tubular housing 1, and axial fan or vortex fan can be chooseed for use according to the installation condition on scene to air feeder 2.
Further, if the blower 2 with larger power is replaced, the aerodynamic force applied to the tubular housing 1 is increased, so that the tubular housing 1 may resonate under the aerodynamic force, and the problem is solved:
the tubular case 1 is detachably connected to the weight 5.
After replacing the more powerful blower 2, the operator can mount a heavier counterweight 5 on the tubular housing 1, making it difficult for the tubular housing 1 to resonate.
Further, in order to reduce turbulence inside the tubular housing 1:
the tubular housing 1 is in the shape of a circular tube.
The regular circular shape enables the air flow to be smoothly transmitted inside the tubular housing 1, reducing the generation of turbulence.
Further, the utility model provides a preferred structure of rectification structure 4:
the flow regulating structure 4 is a cylinder formed with a plurality of air holes 4a, the air holes 4a axially penetrate through the flow regulating structure 4, the flow regulating structure 4 is coaxially connected inside the tubular casing 1, and the flow regulating structure 4 can prevent the airflow inside the tubular casing 1 from flowing from a passage except the air holes 4 a.
The turbulent air flow flows along a straight channel through a plurality of air holes 4a with the same shape and uniform distribution, so that the turbulent flow is changed into steady flow and flows out through the air outlet of the tubular shell 1, and the noise near the air outlet of the tubular shell 1 is reduced.
Further, in order to improve the rectifying effect of the air holes 4a and the strength of the rectifying structure 4:
the air holes 4a are distributed over the end surface of the flow regulating structure 4 in a honeycomb shape.
The honeycomb shape has excellent mechanical properties and rectification effect.
Further, the utility model provides a preferred structure that tubular casing 1 and rectification structure 4 are connected:
the inner wall of the tubular shell 1 is provided with a first connecting piece 1c protruding inwards, a first through hole is formed in the first connecting piece 1c, second connecting pieces 4b protruding outwards are formed at two ends of the rectifying structure 4, a second through hole corresponding to the first through hole is formed in the second connecting pieces 4b, and the tubular shell 1 and the rectifying structure 4 are connected through the first through hole and the second through hole through bolts.
To further reduce the turbulence at the outlet of the tubular housing 1:
the tubular shell 1 comprises an equal-diameter pipeline 1a and a variable-diameter pipeline 1b which are coaxially connected, the variable-diameter pipeline 1b is in a horn shape, the equal-diameter pipeline 1a is connected with the air blower 2 and the rectifying structure 4, and the variable-diameter pipeline 1b is connected with the sprayer 3.
The tubular housing 1 is flared at the location between the atomizer 3 and the fairing 4, which causes the air flow passing through the fairing 4 towards the outlet of the tubular housing 1 to expand and the flow rate to decrease, resulting in less collisions between the gas molecules and less turbulence at the outlet of the tubular housing 1.
Further, the utility model provides a tubular casing 1 and the preferred structure that the air feeder 2 is connected:
the end of the equal-diameter pipeline 1a far away from the variable-diameter pipeline 1b is provided with a first flange 1d, and the air blower 2 comprises a second flange 2d used for connecting the first flange 1 d.
The first flange 1d and the second flange 2d are connected by bolts.
Further, the utility model provides a preferred connection structure of tubular casing 1 and counter weight 5:
the first flange 1d is connected with the second flange 2d through a counterweight 5, the counterweight 5 is in a straight strip shape with a central hole, and the shape of the cross section of the counterweight 5 is the same as that of the first flange 1 d.
The counterweight 5 is formed by pouring concrete, the cost is low, the central hole of the counterweight is equal to the central hole of the tubular shell 1 in diameter, and the shape of the counterweight is the same as that of the first flange 1d and the second flange 2d, so that the counterweight 5 is easy to connect the tubular shell 1 and the air blower 2, the gravity center of the tubular shell 1 is accumulated at an air inlet, the vibration of the part, close to the air inlet, of the tubular shell 1 is reduced, and the noise generated by the air inlet of the tubular shell 1 is further reduced.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.
Claims (10)
1. A noise-reducing spraying device is characterized by comprising,
a tubular housing (1), the tubular housing (1) having an air inlet and an air outlet;
the air supply device (2) is connected with an air inlet of the tubular shell (1), and the air supply device (2) is used for outputting airflow to the inside of the tubular shell (1);
the sprayer (3) is connected with the air outlet of the tubular shell (1), and the sprayer (3) is used for spraying atomized liquid to the air flow output from the air outlet of the tubular shell (1);
the rectifying structure (4) is arranged inside the tubular shell (1), and the rectifying structure (4) is used for adjusting the turbulence inside the tubular shell (1) to convert the turbulence into stable flow;
the counterweight (5) is rigidly connected with the tubular shell (1), and the counterweight (5) is used for increasing the weight of the tubular shell (1) so that the tubular shell is difficult to generate a resonance phenomenon under the action of aerodynamic force.
2. A noise reducing spray apparatus according to claim 1,
the tubular housing (1) is detachably connected to the blower (2).
3. A noise reducing spray apparatus according to claim 2,
the tubular housing (1) is removably connected to the counterweight (5).
4. A noise reducing spray apparatus according to any one of claims 1 to 3,
the tubular housing (1) is in the shape of a circular tube.
5. A noise reducing spray device according to claim 4,
the rectifying structure (4) is a cylinder with a plurality of air holes (4 a), the air holes (4 a) axially penetrate through the rectifying structure (4), the rectifying structure (4) is coaxially connected inside the tubular shell (1), and the rectifying structure (4) can prevent air flow inside the tubular shell (1) from flowing from channels except the air holes (4 a).
6. A noise reducing spray apparatus according to claim 5,
the air holes (4 a) are distributed on the end face of the rectifying structure (4) in a honeycomb shape.
7. A noise reducing spray apparatus according to claim 5,
the inner wall of the tubular shell (1) is provided with a first connecting piece (1 c) protruding inwards, a first through hole is formed in the first connecting piece (1 c), second connecting pieces (4 b) protruding outwards are formed at two ends of the rectifying structure (4), a second through hole corresponding to the first through hole is formed in the second connecting pieces (4 b), and the tubular shell (1) and the rectifying structure (4) penetrate through the first through hole and the second through hole through bolts to be connected.
8. A noise reducing spray apparatus according to claim 4,
tubular shell (1) is including coaxial coupling's equal diameter pipeline (1 a) and variable diameter pipeline (1 b), variable diameter pipeline (1 b) is tubaeform, equal diameter pipeline (1 a) is connected air-supply blower (2) with rectification structure (4), variable diameter pipeline (1 b) is connected atomizer (3).
9. A noise reducing spray apparatus according to claim 8,
one end, far away from the variable-diameter pipeline (1 b), of the equal-diameter pipeline (1 a) is provided with a first flange (1 d), and the air blower (2) comprises a second flange (2 d) used for being connected with the first flange (1 d).
10. A noise reducing spray device according to claim 9,
the first flange (1 d) is connected with the second flange (2 d) through the counterweight (5), the counterweight (5) is in a straight strip shape with a central hole, and the shape of the cross section of the counterweight (5) is the same as that of the first flange (1 d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221816343.1U CN217699654U (en) | 2022-06-27 | 2022-06-27 | Noise-reducing spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221816343.1U CN217699654U (en) | 2022-06-27 | 2022-06-27 | Noise-reducing spraying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217699654U true CN217699654U (en) | 2022-11-01 |
Family
ID=83779433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221816343.1U Active CN217699654U (en) | 2022-06-27 | 2022-06-27 | Noise-reducing spraying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217699654U (en) |
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2022
- 2022-06-27 CN CN202221816343.1U patent/CN217699654U/en active Active
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