阅读说明：本技术 一种集成灶用降噪减振型风道系统 (Noise-reduction vibration-reduction type air duct system for integrated cooker ) 是由 周水清 董豪炳 周华欣 李哲宇 杨柯 于 2019-09-23 设计创作，主要内容包括：一种集成灶用降噪减阻型风道系统,包括设置在集成灶进气流道上的电机叶轮；风机箱通过固定支架固定于吸烟腔后背面；所述风机箱包括外壳、固定凹槽、金属板、减振消音层、出风罩和出风管,所述外壳位于风机箱外部,其内壁面紧贴减振消音层；所述减振消音层内壁面与金属板相连,所述减振消音层包括减振橡胶和消音棉,金属板通过固定凹槽安装固定,使内部呈现气流通道；出风管放置一减振固定装置,其内表面紧固出风管。本发明拆卸清洗方便,噪声低。(A noise-reducing and resistance-reducing air duct system for an integrated stove comprises a motor impeller arranged on an air inlet duct of the integrated stove; the fan box is fixed on the back of the smoke suction cavity through a fixing bracket; the fan box comprises a shell, a fixing groove, a metal plate, a vibration-damping and noise-reducing layer, an air outlet cover and an air outlet pipe, wherein the shell is positioned outside the fan box, and the inner wall surface of the shell is tightly attached to the vibration-damping and noise-reducing layer; the inner wall surface of the vibration-damping and noise-damping layer is connected with the metal plate, the vibration-damping and noise-damping layer comprises vibration-damping rubber and noise-damping cotton, and the metal plate is fixedly installed through the fixing groove, so that an airflow channel is formed inside the metal plate; the air outlet pipe is provided with a vibration reduction fixing device, and the inner surface of the air outlet pipe is fastened with the air outlet pipe. The invention has convenient disassembly and cleaning and low noise.)

1. The noise-reducing and resistance-reducing air duct system for the integrated cooker is characterized by comprising a motor impeller arranged on an air inlet duct of the integrated cooker, wherein the motor impeller is fixed on the back of a smoke suction cavity through a motor bracket; the smoke suction cavity is rectangular and is positioned behind the working interval of the integrated cooker;

the fan box is fixed at the back of the smoking cavity through a fixing bracket; the fan box comprises a shell, a fixing groove, a metal plate, a vibration damping and noise eliminating layer, an air outlet cover and an air outlet pipe, wherein the shell is positioned outside the fan box and is in a cuboid shape and consists of a shell front plate, a shell annular plate and a shell rear plate, and two adjacent plates are connected; the inner surfaces of the front plate and the rear plate of the shell are provided with fixing grooves, the cross sections of the fixing grooves are concave, and the shapes of the fixing grooves meet the molded line of the traditional volute when viewed from the overlooking direction; the fixing groove controls the position of a metal plate, the metal plate is a flexible metal plate, and the inner surface of the flexible metal plate is coated with an oil-free inorganic ceramic material; the metal plate is inserted from the port of the fixed groove and is installed and fixed along the direction of the groove, so that an airflow channel is formed inside the fan box;

the shell and the inner area of the metal plate are wrapped with a vibration-damping and noise-damping layer, the vibration-damping and noise-damping layer comprises vibration-damping rubber and noise-damping cotton, the noise-damping cotton is tightly attached to the inner surfaces of the front plate and the rear plate of the shell, the vibration-damping rubber is arranged in the noise-damping cotton, the inner surface of the vibration-damping rubber is tightly attached to the metal plate, and the vibration-damping rubber and the metal plate are;

the outlet of the fan box is connected with the air outlet cover, and the other end of the air outlet cover is connected with the air outlet pipe;

the air outlet pipe is provided with a vibration reduction fixing device which is tightly attached to the inner wall surface; the vibration reduction fixing device is positioned at the bottom surface of the smoking cavity; defining the positive direction from inside to outside; the inner layer of the vibration reduction fixing device is an inner wall surface, the inner wall surface of the vibration reduction fixing device is a telescopic circular ring, the diameter of the inner wall surface is controlled through a telescopic controller, the outer wall surface and the inner wall surface are positioned on the same axis, the outer wall surface and the inner wall surface are connected through a telescopic spring, and the telescopic spring is fixed on the outer wall surface; the vibration reduction fixing device is connected with the bottom surface of the smoking cavity through the fixing support frame.

2. The noise and drag reducing duct system for an integrated cooker as claimed in claim 1, wherein the flexible metal material of the metal plate has a thickness of 2 mm.

3. The integrated cooking stove noise and drag reduction type air duct system according to claim 1 or 2, wherein the elastic modulus of the expansion spring is 200 Gpa; the inner wall surface of the vibration reduction fixing device adjusts the telescopic controller according to the size of the air outlet pipe, so that the inner wall surface is tightly attached to the air outlet pipe.

4. The integrated stove noise-reducing and drag-reducing type air duct system as claimed in claim 1 or 2, wherein the step of disassembling and cleaning the fan box comprises: 1) removing the fixing device and taking down the fan box; 2) taking down the air outlet cover; 3) the shell is removed through a screw on the shell; 4) removing the vibration-damping and noise-damping layer, and pulling out the metal plate from the fixing groove; after the disassembly is completed, all parts can be cleaned.

Technical Field

The invention belongs to the field of integrated cookers, and particularly relates to a noise-reducing vibration-damping air duct system for an integrated cooker.

Background

The integrated stove is a common household appliance and plays an important role in the life of people, and the noise and the easy cleaning capacity of the air duct system of the integrated stove are important indexes for people to select the integrated stove.

The main noise generated when the traditional integrated cooker works at present is generated by the vibration of a fan volute and an air outlet pipe; the conventional measures taken for volute vibration are micro-adjustment measures such as adjusting the fixed position of the volute and the like, and the vibration reduction effects of the methods are not obvious; in addition integrated kitchen is under long-term work, and inside oil smoke piles up easily, and nevertheless whole fan system dismantles to wash has certain technical degree of difficulty, needs professional technical personnel to wash, greatly increased use cost, therefore the higher demand of people to integrated kitchen work can not be satisfied in the conventional setting.

Disclosure of Invention

In order to overcome the defects of inconvenient disassembly and large working vibration noise of the traditional integrated cooker, the invention provides a noise-reduction vibration-reduction type air duct system for the integrated cooker, which is based on fluid dynamics knowledge and a noise-reduction principle and reduces the influence of the noise of the integrated cooker.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a noise-reducing and resistance-reducing air duct system for an integrated stove comprises a motor impeller arranged on an air inlet duct of the integrated stove, wherein the motor impeller is fixed on the back of a smoke suction cavity through a motor bracket; the smoke suction cavity is rectangular and is positioned behind the working interval of the integrated cooker;

the fan box is fixed at the back of the smoking cavity through a fixing bracket; the fan box comprises a shell, a fixing groove, a metal plate, a vibration damping and noise eliminating layer, an air outlet cover and an air outlet pipe, wherein the shell is positioned outside the fan box and is in a cuboid shape and consists of a shell front plate, a shell annular plate and a shell rear plate, and two adjacent plates are connected; the inner surfaces of the front plate and the rear plate of the shell are provided with fixing grooves, the cross sections of the fixing grooves are concave, and the shapes of the fixing grooves meet the molded line of the traditional volute when viewed from the overlooking direction; the fixing groove controls the position of a metal plate, the metal plate is a flexible metal plate, and the inner surface of the flexible metal plate is coated with an oil-free inorganic ceramic material; the metal plate is inserted from the port of the fixed groove and is installed and fixed along the direction of the groove, so that an airflow channel is formed inside the fan box;

the shell and the inner area of the metal plate are wrapped with a vibration-damping and noise-damping layer, the vibration-damping and noise-damping layer comprises vibration-damping rubber and noise-damping cotton, the noise-damping cotton is tightly attached to the inner surfaces of the front plate and the rear plate of the shell, the vibration-damping rubber is arranged in the noise-damping cotton, the inner surface of the vibration-damping rubber is tightly attached to the metal plate, and the vibration-damping rubber and the metal plate are;

the outlet of the fan box is connected with the air outlet cover, and the other end of the air outlet cover is connected with the air outlet pipe;

the air outlet pipe is provided with a vibration reduction fixing device which is tightly attached to the inner wall surface; the vibration reduction fixing device is positioned at the bottom surface of the smoking cavity; defining the positive direction from inside to outside; the inner layer of the vibration reduction fixing device is an inner wall surface, the inner wall surface of the vibration reduction fixing device is a telescopic circular ring, the diameter of the inner wall surface is controlled through a telescopic controller, the outer wall surface and the inner wall surface are positioned on the same axis, the outer wall surface and the inner wall surface are connected through a telescopic spring, and the telescopic spring is fixed on the outer wall surface; the vibration reduction fixing device is connected with the bottom surface of the smoking cavity through the fixing support frame.

Further, the metal plate 2 is a flexible metal material; the thickness is 2 mm;

still further, the elastic modulus of the extension spring is 200 Gpa; the inner wall surface of the vibration reduction fixing device adjusts the telescopic controller according to the size of the air outlet pipe, so that the inner wall surface is tightly attached to the air outlet pipe.

Furthermore, the steps of putting, dismounting and cleaning the fan box are as follows: 1) removing the fixing device and taking down the fan box; 2) taking down the air outlet cover; 3) the shell is removed through a screw on the shell; 4) Removing the vibration-damping and noise-damping layer, and pulling out the metal plate from the fixing groove; after the disassembly is completed, all parts can be cleaned.

The traditional volute is removed, and the noise generated by the vibration of the volute is greatly reduced; noise generated by air intake of the range hood is absorbed by the silencing cotton in the vibration-damping silencing layer, and the transmitted noise is greatly reduced; the vibration of the metal sheet is reduced by the vibration reduction rubber; so that vibration noise is reduced.

The invention has the beneficial effects that: (1) get rid of the spiral case of traditional fan system, reduced integrated kitchen noise (2) because of the peculiar structure of this invention from the source, make integrated kitchen fan system quick detachable wash (3) install damping rubber between shell and the metal sheet, can reduce the metal sheet vibration, the outer amortization cotton layer that wraps up of damping rubber, can play the noise that reduces fan system work and produce spreads into the bradyseism device that people's ear (4) air-out pipe was equipped with can be according to the air-out pipe size, paste tight air-out pipe, reduce the noise that produces because of the air-out pipe vibration.

Drawings

Fig. 1 is a schematic view of the overall installation of the present invention.

Fig. 2 is a schematic view of the motor impeller installation of the present invention.

Fig. 3 is a schematic structural view of the fan box of the present invention.

Fig. 4 is a partial cross-sectional view of fig. 3A-a.

Fig. 5 is a schematic view of a sheet metal slide rail installation.

Fig. 6 is a partially enlarged view of the portion of fig. 5P.

FIG. 7 is a schematic view of a vibration damping and sound attenuating layer.

FIG. 8 is a schematic view of a damper device for an outlet duct.

Detailed Description

The present application is further described with reference to the following drawings and examples, it is to be understood that the specific embodiments described herein are merely illustrative of the present invention and not restrictive, and that only the parts related to the present invention are shown in the drawings for convenience of description.

It should be noted that, in case of conflict, the features of the embodiments and examples in the present application can be combined with each other, and the present application will be described in detail with reference to the accompanying drawings and examples.

Referring to fig. 1 to 8, the noise-reducing and resistance-reducing air duct system for the integrated cooker comprises a motor impeller 1 arranged on an air inlet duct of the integrated cooker, wherein the motor impeller 1 is fixed on the back surface 41 of a smoke suction cavity 4 through a motor bracket 11; the smoke suction cavity 4 is rectangular, and the smoke suction cavity 4 is positioned behind the working area of the integrated cooker;

the fan box 2 is fixed at the back surface 41 of the smoking cavity through a fixing bracket 25, and the fan box 2 comprises a shell 21, a fixing groove, a metal plate, a vibration damping and noise damping layer, an air outlet cover and an air outlet pipe; the shell 21 is positioned outside the fan box 2, the whole shell is cuboid, the shell 21 consists of a shell front plate 211, a shell annular plate 212 and a shell rear plate 213, and the adjacent two plates are riveted by screws 28, so that the shell is convenient to disassemble and clean; the inner surfaces of the front plate 211 and the rear plate 213 of the shell are provided with fixing grooves 22, the cross sections of the fixing grooves are concave, and the specific shape meets the molded line of the traditional volute when viewed from the top; the fixed groove controls the position of the metal plate 23, which is a flexible metal plate, and the inner surface of the flexible metal plate is coated with an oil-free inorganic ceramic material; the metal plate 23 can be inserted from the port of the fixing groove 22 and is installed and fixed along the direction of the groove 22, so that an airflow channel is formed inside the fan box;

the shell 1 and the area A inside the metal plate are wrapped with a vibration damping and noise damping layer 24 which specifically comprises vibration damping rubber 241 and noise damping cotton 242, wherein the noise damping cotton 242 is closely attached to the inner surfaces of the front plate and the rear plate of the shell, the vibration damping rubber 241 is arranged inside the noise damping cotton 242, the inner surface of the vibration damping rubber 241 is closely attached to the metal plate 23, and the vibration damping and noise damping layer and the metal plate are tightly connected without gaps;

the outlet of the fan box 2 is connected with an air outlet cover 26, and the other end of the air outlet cover 26 is connected with an air outlet pipe 27

The air outlet pipe 27 is provided with a damping fixing device 3 which is specifically attached to the inner wall surface 34; the damping fixing device 3 is positioned at the bottom surface 42 of the smoking cavity 4; defining the positive direction from inside to outside; the inner layer of the damping fixing device 3 is an inner wall surface 34, the inner wall surface of the damping fixing device is of a circular ring structure, specifically is a telescopic circular ring, the diameter of the inner wall surface 34 is controlled by a telescopic controller 33, the outer wall surface 32 and the inner wall surface 34 are positioned on the same axis, the two are connected through a telescopic spring (31), and the telescopic spring 31 is fixed on the outer wall surface 32; the vibration reduction fixing device 3 is connected with the bottom surface 42 of the smoking cavity through a fixing support frame 35;

the metal plate 23 is made of a flexible metal material; the thickness is 2 mm; the elastic modulus of the extension spring 31 is 200 Gpa; the inner wall surface 34 of the vibration reduction fixing device 3 can adjust the telescopic controller 33 according to the size of the air outlet pipe, so that the inner wall surface 34 is tightly attached to the air outlet pipe 26;

the unloading and cleaning steps of the fan box 2 are as follows: 1) the fixing device 25 is removed, and the fan box 2 is taken down; 2) the air outlet cover 26 is taken down; 3) the housing is removed by screws 28 on the housing 21; 4) removing the vibration-damping and noise-damping layer 24 and pulling out the metal plate 23 from the fixing groove; after the disassembly is finished, all parts can be cleaned;

in the embodiment, the traditional volute is removed, and the noise generated by the vibration of the volute is greatly reduced; noise generated by air intake of the range hood is absorbed by the silencing cotton 242 in the vibration-damping and noise-eliminating layer 24, and the transmitted noise is greatly reduced; the vibration of the metal piece 23 is absorbed by the vibration damping rubber 241; so that vibration noise is reduced.