CN223106115U - A range hood with wind cabinet for noise reduction - Google Patents

A range hood with wind cabinet for noise reduction

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Publication number
CN223106115U
CN223106115U CN202323508684.XU CN202323508684U CN223106115U CN 223106115 U CN223106115 U CN 223106115U CN 202323508684 U CN202323508684 U CN 202323508684U CN 223106115 U CN223106115 U CN 223106115U
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CN
China
Prior art keywords
noise reduction
plate
reduction plate
fan
smoke
Prior art date
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Active
Application number
CN202323508684.XU
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Chinese (zh)
Inventor
刘耀斌
曹志森
莫康赞
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.)
Jiangmen Tianzhuo Intelligent Home Appliance Co ltd
Original Assignee
Jiangmen Tianzhuo Intelligent Home Appliance Co ltd
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Priority to CN202323508684.XU priority Critical patent/CN223106115U/en
Application granted granted Critical
Publication of CN223106115U publication Critical patent/CN223106115U/en
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Abstract

The utility model discloses a smoke ventilator with a wind cabinet for noise reduction, which belongs to the technical field of smoke ventilators and comprises a wind cabinet arranged on a smoke ventilator main body, wherein an upper volute fan assembly and a noise reduction box assembly are arranged in the wind cabinet, and the noise reduction box assembly is positioned at the rear side of the upper volute fan assembly and is provided with a noise reduction device. This cigarette machine utilizes last spiral case fan subassembly to make the inside negative pressure that forms of wind cabinet to make the inside oil smoke air current of cigarette machine main part can inhale and fall in the case subassembly of making an uproar, because go up spiral case fan subassembly and be located the case subassembly front side of making an uproar, fall simultaneously and be provided with noise reducer on the case subassembly of making an uproar, consequently the oil smoke air current can fall the back of making an uproar through noise reducer, again by last spiral case fan subassembly suction exhaust, in order to reduce the noise that produces because of oil smoke air current contacts and strike spiral case fan subassembly, thereby reduce the noise of oil smoke air current when wind cabinet inside flows effectively, and then promote the noise reduction effect of smoking machine.

Description

Smoke machine with wind cabinet for noise reduction
Technical Field
The utility model relates to the technical field of smoke exhaust ventilator, in particular to a smoke exhaust ventilator with a wind cabinet for noise reduction.
Background
The utility model discloses a low-noise self-cleaning range hood, which comprises a machine body, a wind cabinet, a wind wheel mechanism and a heating silencing volute, wherein the heating silencing volute is arranged in the wind cabinet and comprises a pore plate and a volute, a noise reduction sealing cavity is formed between the pore plate and the volute, a volute pore is arranged on the volute, and a heating resistance wire is arranged in the noise reduction sealing cavity. According to the Helmholtz resonator principle or the hole wall friction effect, when the smoke flows through the heating silencing volute, the smoke converts kinetic energy into heat energy, and the effect of reducing noise is achieved. However, in the process of converting kinetic energy into heat energy, the heating element needs to consume electric energy, the use cost is high, the heating element is damaged, and the use stability is poor.
Therefore, related technicians develop a physical noise reduction mode, such as a range hood disclosed in the utility model patent CN202222379206.2, which correspondingly installs a noise reduction plate and a fan on the inner wall of a cabinet, the noise reduction plate is provided with a plurality of second sound absorption holes to absorb the consumed air flow and the sound energy generated by the fan, and reduce the noise of the fan, but the noise reduction plate is positioned at the rear side of the fan, and cannot be fully contacted with the oil smoke, so that the wind noise generated by the oil smoke during flowing cannot be effectively eliminated.
Therefore, further improvements are needed.
Disclosure of utility model
The utility model aims to provide a smoke machine with a wind cabinet for reducing noise so as to overcome the defects in the prior art.
The smoke machine with the wind cabinet for noise reduction comprises a wind cabinet arranged on a smoke machine main body, wherein an upper volute fan assembly and a noise reduction box assembly are arranged in the wind cabinet, and the noise reduction box assembly is positioned at the rear side of the upper volute fan assembly and is provided with a noise reduction device.
The noise reduction box component comprises, but is not limited to, a triangle, a polygon, a circle, an ellipse or a combination shape thereof, is integrally formed or is formed by splicing a plurality of split components, and is provided with the noise reduction device in the whole or partial position.
The noise reduction device comprises noise reduction through holes and/or sound absorption cotton.
The noise reduction through holes include, but are not limited to, triangular, polygonal, circular, elliptical, or a combination thereof.
The diameter of the noise reduction through holes is 2-3mm, and the center distance between adjacent noise reduction through holes is more than 6mm.
The noise reduction box assembly comprises a front noise reduction plate, a rear noise reduction plate, a top noise reduction plate and left and right noise reduction plates.
The front noise reduction plate, the rear noise reduction plate, the top noise reduction plate and the left and right noise reduction plates are provided with noise reduction devices which are composed of noise reduction through holes and/or sound absorption cotton.
The whole or partial positions of the front noise reduction plate, the rear noise reduction plate, the top noise reduction plate and/or the left and right noise reduction plates are respectively provided with a plurality of noise reduction through holes.
The front noise reduction plate is provided with front noise reduction plate sound absorbing cotton at the whole or partial position outside the front noise reduction plate, rear noise reduction plate sound absorbing cotton is arranged at the whole or partial position outside the rear noise reduction plate, top noise reduction plate sound absorbing cotton is arranged at the whole or partial position outside the top noise reduction plate, and/or left and right noise reduction plate sound absorbing cotton is arranged at the whole or partial position outside the left and right noise reduction plate.
The front noise reduction plate, the rear noise reduction plate, the top noise reduction plate and the left and right side noise reduction plates form a noise reduction smoke collection cavity.
The fan smoking cavity is arranged in the fan cabinet, the fan smoking cavity is positioned at the front side of the noise reduction smoke collection cavity, and the upper volute fan assembly is positioned in the fan smoking cavity.
The front noise reduction plate, the rear noise reduction plate, the top noise reduction plate and/or the left and right noise reduction plates are obliquely arranged towards the direction of the smoke suction cavity of the fan.
Noise reduction air inlets are formed among the bottoms of the left noise reduction plate, the right noise reduction plate, the front noise reduction plate and the rear noise reduction plate, a front noise reduction plate air outlet is formed in the front noise reduction plate, a shell smoke outlet is formed in the top of the smoke machine main body, a wind cabinet smoke outlet is formed in the top of the wind machine smoke suction cavity, a wind machine air inlet is formed in the side of the upper volute wind machine component, and a wind machine air outlet is formed in the top of the upper volute wind machine component.
The noise reduction air inlet is communicated with the shell smoke outlet, the fan air inlet is communicated with the front noise reduction plate air outlet, and the fan air outlet is communicated with the air cabinet smoke outlet.
According to the utility model, through the improvement of the structure, the upper volute fan assembly is utilized to form negative pressure in the wind cabinet, so that the fume flow in the main body of the fume machine can be sucked into the noise reduction box assembly, and the upper volute fan assembly is positioned at the front side of the noise reduction box assembly, and meanwhile, the noise reduction device is arranged on the noise reduction box assembly, so that the fume flow can be sucked and exhausted by the upper volute fan assembly after being subjected to noise reduction through the noise reduction device, so that the noise generated by the contact of the fume flow and the impact of the upper volute fan assembly is reduced, the noise generated when the fume flow flows in the wind cabinet is effectively reduced, and the noise reduction effect of the fume machine is further improved.
Drawings
Fig. 1 is a schematic diagram of an assembly structure according to an embodiment of the utility model.
Fig. 2 is an exploded view of an embodiment of the present utility model.
Fig. 3 is a schematic exploded view of the present utility model with the main body omitted.
Fig. 4 is a schematic view illustrating another view exploded structure of the present utility model with the main body omitted.
Fig. 5 is a schematic view showing an assembled sectional structure of the smoke machine body according to an embodiment of the present utility model.
Fig. 6 is an exploded view of the noise reduction box assembly.
In the drawing, a main body of a 1-smoke machine, a fan component of a 2-upper volute, a component of a 3-noise reduction box, an air inlet of a 4-fan, an air outlet of a 5-fan, an air outlet of a 20-casing, a noise reduction through hole of a 22-box, a 23-front noise reduction plate, a 24-rear noise reduction plate, a 25-top noise reduction plate, a 26-left and right side noise reduction plate, a 27-noise reduction smoke collection cavity, a 28-front noise reduction plate sound-absorbing cotton, a 29-rear noise reduction plate sound-absorbing cotton, a 30-top noise reduction plate sound-absorbing cotton, a 31-left and right side noise reduction plate sound-absorbing cotton, a 32-air cabinet peripheral plate, a 33-air cabinet front plate, a 34-air cabinet top plate, a 35-fan smoking cavity, a 36-positioning plate, an air outlet of a 37-front noise reduction plate, a 38-air cabinet air outlet, a 39-noise reduction air inlet and a 40-shielding plate are shown.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1-6, the smoke machine with the fan cabinet for noise reduction comprises a fan cabinet arranged on a smoke machine main body 1, an upper volute fan assembly 2 and a noise reduction box assembly 3 are arranged in the fan cabinet, and the noise reduction box assembly 3 is positioned at the rear side of the upper volute fan assembly 2 and is provided with a noise reduction device.
The embodiment utilizes the upper volute fan assembly 2 to enable the inside of the wind cabinet to form negative pressure, so that the lampblack flow inside the smoke machine main body 1 can be sucked into the noise reduction box assembly 3, and the upper volute fan assembly 2 is positioned at the front side of the noise reduction box assembly 3, and the noise reduction device is arranged on the noise reduction box assembly 3, so that the lampblack flow can be sucked and exhausted by the upper volute fan assembly 2 after being reduced by the noise reduction device, the noise generated by the contact of the lampblack flow and the impact of the upper volute fan assembly 2 is reduced, the noise generated when the lampblack flow flows inside the wind cabinet is effectively reduced, and the noise reduction effect of the smoke machine is further improved.
Specifically, the noise reduction box assembly 3 includes, but is not limited to, a triangle, a polygon, a circle, an ellipse, or a combination thereof, and is integrally formed or is formed by splicing a plurality of split members, and is provided with noise reduction means in its entire or partial position.
The noise reducing means comprises noise reducing through holes 22 and/or sound absorbing cotton.
The noise reduction through holes 22 include, but are not limited to, triangular, polygonal, circular, elliptical, or a combination thereof.
The diameter of the noise reduction through holes 22 is 2-3mm, and the center distance between adjacent noise reduction through holes 22 is more than 6 mm.
The noise reduction through holes 22 of the present embodiment are preferably circular, with a diameter of 2.5mm, and the center-to-center distance between adjacent noise reduction through holes 22 is 8mm.
In the present embodiment, the noise reduction box assembly 3 includes a front noise reduction plate 23, a rear noise reduction plate 24, a top noise reduction plate 25, and left and right noise reduction plates 26.
Noise reducing devices composed of noise reducing through holes 22 and/or sound absorbing cotton are provided on the front noise reducing plate 23, the rear noise reducing plate 24, the top noise reducing plate 25 and the left and right noise reducing plates 26.
Specifically, the front noise reduction plate 23, the rear noise reduction plate 24, the top noise reduction plate 25, and/or the left and right noise reduction plates 26 are provided with a plurality of noise reduction through holes 22, respectively, in their entire or partial positions.
That is, the case noise reduction through holes 22 may be provided on the entire front noise reduction plate 23, rear noise reduction plate 24, top noise reduction plate 25, and/or left and right noise reduction plates 26, or may be provided only at partial positions on the front noise reduction plate 23, rear noise reduction plate 24, top noise reduction plate 25, and/or left and right noise reduction plates 26, and the case noise reduction through holes 22 are not limited in position when they are provided at partial positions.
The front noise reduction plate 23, the rear noise reduction plate 24, the top noise reduction plate 25, and the left and right noise reduction plates 26 are made of sheet metal materials.
The front noise reduction plate 23 and the rear noise reduction plate 24 are opposite in front-rear direction and are arranged at intervals, a top noise reduction plate 25 is arranged at the top between the front noise reduction plate 23 and the rear noise reduction plate 24, and left and right noise reduction plates 26 are arranged at the left and right sides between the front noise reduction plate 23 and the rear noise reduction plate 24.
In this embodiment, the noise reduction box assembly 3 may be integrally formed, that is, the front noise reduction plate 23, the rear noise reduction plate 24, the top noise reduction plate 25, and the left and right noise reduction plates 26, so as to form the integral noise reduction box assembly 3.
In addition, the noise reduction box assembly 3 may be formed by splicing, that is, the front noise reduction plate 23, the rear noise reduction plate 24, the top noise reduction plate 25 and the left and right noise reduction plates 26 are independently disposed and welded to each other, so as to form the spliced noise reduction box assembly 3.
Further, front noise reduction plate sound absorbing cotton 28 is provided at the whole or partial position outside the front noise reduction plate 23, rear noise reduction plate sound absorbing cotton 29 is provided at the whole or partial position outside the rear noise reduction plate 24, top noise reduction plate sound absorbing cotton 30 is provided at the whole or partial position outside the top noise reduction plate 25, and/or left and right noise reduction plate sound absorbing cotton 31 is provided at the whole or partial position outside the left and right noise reduction plates 26.
That is, the front noise reduction plate sound absorbing cotton 28, the rear noise reduction plate sound absorbing cotton 19, the top noise reduction plate sound absorbing cotton 30, and the left and right noise reduction plate sound absorbing cotton 31 may be provided on the entire outer side of the front noise reduction plate 23, the outer side of the rear noise reduction plate 24, the outer side of the top noise reduction plate 25, and the outer side of the left and right noise reduction plate 26, respectively, or may be provided only on the outer side of the front noise reduction plate 23, the outer side of the rear noise reduction plate 24, the outer side of the top noise reduction plate 25, and the outer side of the left and right noise reduction plate 26, and the positions thereof are not limited when the front noise reduction plate sound absorbing cotton 28, the rear noise reduction plate sound absorbing cotton 19, the top noise reduction plate sound absorbing cotton 30, and the left and right noise reduction plate sound absorbing cotton 31 are provided on the local positions.
The box body noise reduction through holes 22 are utilized to cut the oil smoke flowing on the front noise reduction plate 23, the rear noise reduction plate 24, the top noise reduction plate 25 and the left and right side noise reduction plates 26 so as to reduce noise generated by the oil smoke contacting and impacting the front noise reduction plate 23, the rear noise reduction plate 24, the top noise reduction plate 25 and the left and right side noise reduction plates 26 and to solve the retention problem caused by the blocking of the oil smoke, thereby effectively reducing wind noise in the noise reduction box assembly 3, improving the flow performance of the oil smoke in the noise reduction box assembly 3, and further improving the smoking effect of the smoke machine.
The front noise reduction plate sound absorbing cotton 28, the rear noise reduction plate sound absorbing cotton 19, the top noise reduction plate sound absorbing cotton 30 and the left and right noise reduction plate sound absorbing cotton 31 can effectively absorb noise formed when the lampblack airflow contacts the front noise reduction plate 23, the rear noise reduction plate 24, the top noise reduction plate 25 and the left and right noise reduction plate 26, so that sound waves on the front noise reduction plate 23, the rear noise reduction plate 24, the top noise reduction plate 25 and the left and right noise reduction plate 26 can be reflected back and forth on the front noise reduction plate sound absorbing cotton 28, the rear noise reduction plate sound absorbing cotton 19, the top noise reduction plate sound absorbing cotton 30 and the left and right noise reduction plate sound absorbing cotton 31 at different positions, thereby achieving noise reduction and sound absorption effects, greatly reducing noise generated by a smoke machine during working, and further improving the overall noise reduction effect of the smoke machine.
And the arrangement of the front noise reduction plate sound-absorbing cotton 28, the rear noise reduction plate sound-absorbing cotton 19, the top noise reduction plate sound-absorbing cotton 30 and the left and right noise reduction plate sound-absorbing cotton 31 can effectively solve the problem of smoke leakage caused by the box noise reduction through holes 22 so as to avoid the phenomenon of outward channeling of oil smoke air flow.
A noise reduction smoke collecting cavity 27 is formed among the front noise reduction plate 23, the rear noise reduction plate 24, the top noise reduction plate 25 and the left and right noise reduction plates 26.
The fan smoking cavity 35 is arranged in the fan cabinet, the fan smoking cavity 35 is positioned at the front side of the noise reduction smoke collection cavity 27, and the upper volute fan component 2 is positioned in the fan smoking cavity 35.
The front noise reduction plate 23, the rear noise reduction plate 24, the top noise reduction plate 25 and/or the left and right noise reduction plates 26 are inclined toward the fan smoking chamber 35.
In this embodiment, the front noise reduction plate 23, the rear noise reduction plate 24, and the left noise reduction plate 26 and the right noise reduction plate 26 are respectively vertically arranged, and the top noise reduction plate 25 is obliquely arranged towards the direction of the fan smoking cavity 35, so that the oil smoke air flow can flow in a guiding manner towards the direction of the fan smoking cavity 35, and the flow speed of the oil smoke air flow is further accelerated.
Noise reduction air inlets 39 are formed among the bottoms of the left noise reduction plate 26, the right noise reduction plate 23 and the rear noise reduction plate 24, a front noise reduction plate air outlet 37 is formed in the front noise reduction plate 23, a casing smoke outlet 20 is formed in the top of the smoke machine main body 1, a wind cabinet smoke outlet 38 is formed in the top of the wind turbine smoke suction cavity 35, a wind turbine air inlet 4 is formed in the side of the upper volute wind turbine component 2, and a wind turbine air outlet 5 is formed in the top.
The noise reduction air inlet 39 is communicated with the shell smoke outlet 20, the fan air inlet 4 is communicated with the front noise reduction plate air outlet 37, and the fan air outlet 5 is communicated with the air cabinet smoke outlet 38.
In the embodiment, the upwind cabinet comprises a cabinet peripheral plate 32, a cabinet front plate 33 and a cabinet top plate 34, wherein the cabinet front plate 33 is fixedly arranged on the front side of the cabinet peripheral plate 32, and the cabinet top plate 34 is fixedly arranged on the tops of the cabinet peripheral plate 32 and the cabinet front plate 33.
Wherein, the outer coaming 32, the front plate 33 and the top plate 34 are made of sheet metal material.
The upwind cabinet can be integrally arranged and also can be spliced, and the arrangement mode is the same as that of the noise reduction box assembly 3, and will not be repeated.
For better noise reduction, the front noise-reducing plate sound-absorbing cotton 28 is abutted between the front noise-reducing plate 23 and the upper volute fan assembly 2, and/or the rear noise-reducing plate sound-absorbing cotton 29 is abutted between the rear noise-reducing plate 24 and the back inner wall of the outer peripheral plate 32 of the wind cabinet, and/or the top noise-reducing plate sound-absorbing cotton 30 is abutted between the top noise-reducing plate 25 and the top plate 34 of the wind cabinet, and/or the left and right noise-reducing plate sound-absorbing cotton 31 is abutted between the left and right inner walls of the outer peripheral plate 32 of the wind cabinet.
Specifically, the front noise reduction plate sound absorbing cotton 28 is abutted between the front noise reduction plate 23 and the upper volute fan assembly 2, the rear noise reduction plate sound absorbing cotton 29 is abutted between the rear noise reduction plate 24 and the back inner wall of the outer peripheral plate 32 of the wind turbine, the left and right side noise reduction plate sound absorbing cotton 31 is abutted between the left and right inner walls of the outer peripheral plate 32 of the wind turbine, and the top noise reduction plate sound absorbing cotton 30 is abutted on the top noise reduction plate 25.
Through the arrangement of the front noise reduction plate sound absorbing cotton 28, the rear noise reduction plate sound absorbing cotton 29, the top noise reduction plate sound absorbing cotton 30 and the left and right noise reduction plate sound absorbing cotton 31, noise which can be transmitted between the front noise reduction plate 23 and the upper volute fan assembly 2, between the rear noise reduction plate 24 and the back inner wall of the outer peripheral plate 32 of the wind cabinet, between the left and right inner walls of the outer peripheral plate 32 of the wind cabinet and on the top noise reduction plate 25 can be effectively absorbed, and moreover, the front noise reduction plate sound absorbing cotton 28, the rear noise reduction plate sound absorbing cotton 29, the top noise reduction plate sound absorbing cotton 30 and the left and right noise reduction plate sound absorbing cotton 31 can also play a shockproof buffer effect so as to avoid vibration problems of the smoke ventilator when in use.
In order to improve the stability of the arrangement of the front noise reduction plate sound absorbing cotton 28, a positioning plate 36 is fixedly arranged on the rear noise reduction plate 24, and the front noise reduction plate sound absorbing cotton 28 is positioned on the positioning plate 36.
In this embodiment, the front noise reduction plate sound absorbing cotton 28 is provided with a front noise reduction plate sound absorbing cotton avoiding opening corresponding to the front noise reduction plate air outlet 37, so that the upper volute fan assembly 2 can extract the oil smoke in the noise reduction smoke collecting cavity 27.
The upper volute fan assembly 2 can enable the fan smoking cavity 35 and the noise reduction smoke collection cavity 27 to form negative pressure during operation, and enable oil smoke in the smoke machine main body 1 to enter the noise reduction smoke collection cavity 27 through the shell smoke outlet 20 and the noise reduction air inlet 39 in sequence, the oil smoke in the noise reduction smoke collection cavity 27 enters the fan smoking cavity 35 through the front noise reduction plate air outlet 37, and the oil smoke in the fan smoking cavity 35 is finally discharged out of the upper air cabinet through the air cabinet smoke outlet 38 under the action of the upper volute fan assembly 2, so that the oil smoke is sucked and discharged.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the utility model, and that various changes and modifications may be effected therein without departing from the spirit and scope of the utility model as defined in the appended claims and their equivalents.

Claims (8)

1. The smoke machine with the wind cabinet for noise reduction comprises a wind cabinet arranged on a smoke machine main body, and is characterized in that an upper volute fan assembly and a noise reduction box assembly are arranged in the wind cabinet;
The noise reduction box assembly comprises a front noise reduction plate, a rear noise reduction plate, a top noise reduction plate and left and right noise reduction plates;
The front noise reduction plate, the rear noise reduction plate, the top noise reduction plate and the left and right noise reduction plates are provided with noise reduction devices which are composed of noise reduction through holes and/or sound absorption cotton.
2. The smoke machine with the fan cabinet for noise reduction according to claim 1, wherein the noise reduction box component comprises a polygon, a circle or a combination shape thereof, is integrally formed or is formed by splicing a plurality of split components, and is provided with the noise reduction device in a whole or partial position.
3. The smoke machine with wind cabinet noise reduction according to claim 1, wherein the noise reduction through hole comprises a polygon, a circle or a combination thereof.
4. The smoke machine with the fan cabinet for noise reduction according to claim 3, wherein the diameter of the noise reduction through holes is 2-3mm, and the center distance between adjacent noise reduction through holes is more than 6mm.
5. The smoke machine with wind cabinet noise reduction according to claim 4, wherein a plurality of noise reduction through holes are respectively arranged at the whole or partial positions of the front noise reduction plate, the rear noise reduction plate, the top noise reduction plate and/or the left and right noise reduction plates.
6. The smoke machine with wind cabinet noise reduction according to claim 5, wherein front noise reduction plate sound absorbing cotton is arranged at the whole or partial position of the outer side of the front noise reduction plate, rear noise reduction plate sound absorbing cotton is arranged at the whole or partial position of the outer side of the rear noise reduction plate, top noise reduction plate sound absorbing cotton is arranged at the whole or partial position of the outer side of the top noise reduction plate, and/or left and right noise reduction plate sound absorbing cotton is arranged at the whole or partial position of the outer side of the left and right noise reduction plate.
7. The smoke machine with the wind cabinet for noise reduction according to claim 5, wherein a noise reduction smoke collecting cavity is formed among the front noise reduction plate, the rear noise reduction plate, the top noise reduction plate and the left and right noise reduction plates;
a fan smoking cavity is further arranged in the air cabinet, and the fan smoking cavity is positioned at the front side of the noise reduction smoke collection cavity; the upper volute fan assembly is positioned in the fan smoking cavity;
The front noise reduction plate, the rear noise reduction plate, the top noise reduction plate and/or the left and right noise reduction plates are obliquely arranged towards the direction of the smoke suction cavity of the fan.
8. The smoke machine with the fan cabinet for noise reduction according to claim 7, wherein noise reduction air inlets are arranged among the bottoms of the left noise reduction plate, the right noise reduction plate, the front noise reduction plate and the rear noise reduction plate; the front noise reduction plate is provided with a front noise reduction plate air outlet; the upper volute fan assembly is provided with a fan air inlet at the side part and a fan air outlet at the top;
the noise reduction air inlet is communicated with the shell smoke outlet, the fan air inlet is communicated with the front noise reduction plate air outlet, and the fan air outlet is communicated with the air cabinet smoke outlet.
CN202323508684.XU 2023-12-21 2023-12-21 A range hood with wind cabinet for noise reduction Active CN223106115U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323508684.XU CN223106115U (en) 2023-12-21 2023-12-21 A range hood with wind cabinet for noise reduction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323508684.XU CN223106115U (en) 2023-12-21 2023-12-21 A range hood with wind cabinet for noise reduction

Publications (1)

Publication Number Publication Date
CN223106115U true CN223106115U (en) 2025-07-15

Family

ID=96338165

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323508684.XU Active CN223106115U (en) 2023-12-21 2023-12-21 A range hood with wind cabinet for noise reduction

Country Status (1)

Country Link
CN (1) CN223106115U (en)

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