CN218328306U - Noise reduction device of large range hood - Google Patents
Noise reduction device of large range hood Download PDFInfo
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- CN218328306U CN218328306U CN202221835592.5U CN202221835592U CN218328306U CN 218328306 U CN218328306 U CN 218328306U CN 202221835592 U CN202221835592 U CN 202221835592U CN 218328306 U CN218328306 U CN 218328306U
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Abstract
The utility model discloses a device of making an uproar falls in large-scale lampblack absorber, including installing in the amortization way of large-scale lampblack absorber exhaust passage tail end, the amortization way mid-mounting has the muffler, and the muffler is formed by the concatenation of the conical shell body of concatenation around, and the conical shell body is arranged a plurality of gas pockets that are used for the air to pass. The air entering the silencing channel is purified by the oil and smoke removing system in the smoke exhaust channel at the front end, basically does not contain oil smoke, is divided by the tip of the conical shell when passing through the conical shell, is homogenized and buffered, is decelerated and uniformly distributed on the surface of the conical shell, and finally passes through the air hole, so that the air flow rate is greatly reduced, and the noise is eliminated.
Description
Technical Field
The utility model belongs to the technical field of the oil smoke purifies, especially relate to a large-scale lampblack absorber noise reduction device.
Background
The large-scale kitchen ventilator is different from the common household kitchen ventilator, is mainly used in high oil smoke places such as restaurants, dining halls and the like, and business units must meet a certain amount of oil smoke discharge standards because oil smoke is harmful and is directly discharged into the atmosphere without being treated to cause serious environmental pollution.
The oil fume is sucked into the electrostatic oil fume purifier by the fan, wherein part of larger oil mist drops and oil dirt particles are captured on the flow equalizing plate due to mechanical collision and obstruction. When airflow enters a high-voltage electrostatic field, under the action of the high-voltage electrostatic field, oil fume gas is ionized, oil mist is charged, and most of the oil fume is degraded and carbonized; a small part of micro oil particles move towards positive and negative plates of an electric field under the action of the electric field force and the airflow of an adsorption electric field, are collected on the plates, flow to an oil collecting tray under the action of self gravity, are discharged through an oil discharge channel, and the remaining micron-sized oil mist is degraded into carbon dioxide and water by the electric field, so that clean air is discharged finally.
The large range hood is provided with a high-power fan and an electrostatic oil remover, so that the equipment can generate great noise during operation, normal operation of a kitchen is influenced, and the noise can influence the periphery. Therefore, it is required to install the noise reduction device in a large range hood.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a device of making an uproar falls in large-scale lampblack absorber solves the oil smoke equipment operation and can produce very big noise, influences resident's problem on every side.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
a noise reduction device of a large range hood comprises a silencer channel arranged at the tail end of a smoke exhaust channel of the large range hood, wherein one side of the silencer channel is an air inlet, the other side of the silencer channel is an air outlet, and the middle part of the silencer channel is provided with a silencer which separates the air inlet and the air outlet of the silencer channel;
the silencer is formed by splicing a conical shell which is spliced front and back, and a plurality of air holes for air to pass through are arranged in the conical shell.
Further, the silencing duct comprises a frame and a guard plate, wherein the frame is in a cube shape and formed by splicing a plurality of rod bodies, and a connecting piece is arranged at the butt joint position between the rod bodies.
Furthermore, the plane side corresponding to the conical shells is provided with a mounting edge extending outwards, the mounting edges corresponding to the two conical shells are mounted on the same square frame, and the mounting edges are superposed with one side of the square frame and fixed.
Furthermore, the frame is provided with a sliding groove for clamping and sliding installation of the side of the square frame, and the sliding groove is fixed on the square frame.
The utility model discloses following beneficial effect has: the air entering the silencing channel is purified by the oil and smoke removing system in the smoke exhaust channel at the front end, basically does not contain oil smoke, is divided by the tip of the conical shell when passing through the conical shell, is homogenized and buffered, is decelerated and uniformly distributed on the surface of the conical shell, and finally passes through the air hole, so that the air flow rate is greatly reduced, and the noise is eliminated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1: the utility model discloses the schematic structure.
FIG. 2: the utility model discloses structure schematic diagram after the split of figure 1.
FIG. 3: the utility model discloses the mounting structure schematic diagram of toper casing and square frame.
In the drawings, the components represented by the respective reference numerals are listed below:
the sound-deadening duct comprises a sound-deadening duct 1, a silencer 2, a conical shell 21, an air hole 22, a frame 3, a square frame 4, a rod body 31, a connecting piece 32, a mounting edge 23 and a sliding groove 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the embodiments are only some embodiments, not all embodiments, of the present invention.
In the present invention, it is to be understood that: the terms "open," "upper," "lower," "thickness," "top," "center," "length," "inner," "peripheral," and the like are used herein for convenience and to simplify the description, and do not indicate or imply that the referenced components must have a particular orientation.
As shown in fig. 1-3: a noise reduction device of a large range hood comprises a silencing channel 1 arranged at the tail end of a smoke exhaust channel of the large range hood, wherein one side of the silencing channel 1 is an air inlet, the other side of the silencing channel is an air outlet, a silencer 2 is arranged in the middle of the silencing channel 1, and the silencer 2 separates the air inlet and the air outlet of the silencing channel;
the silencer 2 is formed by splicing conical shells 21 spliced front and back, and a plurality of air holes 22 used for air to pass through are arranged in the conical shells 21. The conical shell is externally shaped like a quadrangular pyramid and is provided with a tip and a plane side, the plane sides corresponding to the conical shells arranged in the front and the back are attached, the conical shells arranged in the front and the back are symmetrically arranged to form a diamond-shaped shell, and the interior of the shell is in a cavity state.
The air entering the silencing channel is purified by the oil and smoke removing system in the smoke exhaust channel at the front end, basically does not contain oil smoke, is divided by the tip of the conical shell when passing through the conical shell, is homogenized and buffered, is decelerated and uniformly distributed on the surface of the conical shell, and finally passes through the air hole, so that the air flow rate is greatly reduced, and the noise is eliminated.
As shown in fig. 1: the noise reduction duct 1 comprises a frame 3 and a guard plate, wherein the frame 3 is cubic and formed by splicing a plurality of rod bodies 31, and a connecting piece 32 is arranged at the butt joint of the rod bodies 31. The rod body is a metal plate and formed after being bent for multiple times, the rod body formed after the metal plate is bent for multiple times is also provided with a supporting wall for installing the guard plate, and the guard plate is fixed after being butted and overlapped with the supporting wall.
As shown in fig. 3: the corresponding plane side of the conical shell 21 is provided with a mounting edge 23 extending outwards, the mounting edges 23 corresponding to the two conical shells 21 are mounted on the same frame 4, and the mounting edges 23 are superposed and fixed with one side of the frame 4. The mounting edge is similar to a flange edge and is used for butt joint superposition to improve the fixing stability, the fixing mode generally adopts welding or riveting, and the section of a square frame is in a shape of 21274.
As shown in fig. 2: the frame 2 is provided with a sliding groove 5 for clamping and slidably mounting the edge side of the square frame 4, and the sliding groove 5 is fixed on the square frame 2. Specifically, the sliding groove is fixed in the middle of the square frame, the cross section of the sliding groove is of a shape of '21274', and the sliding groove is of a rod shape and is formed by bending an aluminum alloy plate. The silencer is convenient to disassemble, and is used for cleaning a small amount of oil stains on the silencer.
The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not exhaustive. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention.
Claims (4)
1. The utility model provides a device of making an uproar falls in large-scale lampblack absorber which characterized in that:
the large-scale range hood exhaust channel structure comprises a silencing channel (1) arranged at the tail end of a large-scale range hood exhaust channel, wherein one side of the silencing channel (1) is an air inlet, the other side of the silencing channel is an air outlet, a silencer (2) is arranged in the middle of the silencing channel (1), and the silencer (2) separates the air inlet and the exhaust outlet of the silencing channel;
the silencer (2) is formed by splicing conical shells (21) spliced from front to back, and a plurality of air holes (22) used for air to pass through are distributed in the conical shells (21).
2. The noise reduction device of the large range hood according to claim 1, wherein: the muffling channel (1) comprises a frame (3) and a guard plate, wherein the frame (3) is in a cube shape and formed by splicing a plurality of rod bodies (31), and a connecting piece (32) is arranged at the joint between each rod body (31) and the corresponding rod body.
3. The noise reduction device of the large range hood according to claim 2, characterized in that: the conical shell (21) is provided with mounting edges (23) extending outwards on the corresponding plane side, the mounting edges (23) corresponding to the two conical shells (21) are mounted on the same square frame (4), and the mounting edges (23) are superposed with and fixed to one side of the square frame (4).
4. The noise reduction device of the large range hood according to claim 3, wherein: the frame (3) is provided with a sliding groove (5) for clamping and sliding installation of the edge side of the square frame (4), and the sliding groove (5) is fixed on the square frame (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221835592.5U CN218328306U (en) | 2022-07-13 | 2022-07-13 | Noise reduction device of large range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221835592.5U CN218328306U (en) | 2022-07-13 | 2022-07-13 | Noise reduction device of large range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218328306U true CN218328306U (en) | 2023-01-17 |
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ID=84870352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221835592.5U Active CN218328306U (en) | 2022-07-13 | 2022-07-13 | Noise reduction device of large range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218328306U (en) |
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2022
- 2022-07-13 CN CN202221835592.5U patent/CN218328306U/en active Active
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