CN106322474A - Flow-guiding, sound-absorbing and three-dimensional noise-reducing system of kitchen ventilator - Google Patents

Flow-guiding, sound-absorbing and three-dimensional noise-reducing system of kitchen ventilator Download PDF

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Publication number
CN106322474A
CN106322474A CN201610738828.6A CN201610738828A CN106322474A CN 106322474 A CN106322474 A CN 106322474A CN 201610738828 A CN201610738828 A CN 201610738828A CN 106322474 A CN106322474 A CN 106322474A
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CN
China
Prior art keywords
noise reduction
water conservancy
conservancy diversion
sound
absorbing
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Granted
Application number
CN201610738828.6A
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Chinese (zh)
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CN106322474B (en
Inventor
任富佳
余国成
卢列存
吕立丰
李伟
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Hangzhou Robam Appliances Co Ltd
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Hangzhou Robam Appliances Co Ltd
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Priority to CN201610738828.6A priority Critical patent/CN106322474B/en
Publication of CN106322474A publication Critical patent/CN106322474A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/20Removing cooking fumes

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Duct Arrangements (AREA)

Abstract

The invention discloses a flow-guiding, sound-absorbing and three-dimensional noise-reducing system of a kitchen ventilator, and aims to provide the flow-guiding, sound-absorbing and three-dimensional noise-reducing system of the kitchen ventilator, wherein the system not only can reduce noise, but also can improve the air suction effect of the kitchen ventilator. The flow-guiding, sound-absorbing and three-dimensional noise-reducing system of the kitchen ventilator comprises a main machine shell and an air flue system arranged in the main machine shell, wherein the air flue system comprises a fan shell and a fan air inlet formed in the fan shell; a main flow-guiding and noise-reducing body which extends up and down is arranged on the inner side of the main machine shell and opposite to the fan air inlet; the main flow-guiding and noise-reducing body is provided with left and right main flow-guiding inclined surfaces; and the distance between the left main flow-guiding inclined surface and the right main flow-guiding inclined surface is gradually reduced from the inner side, on which the main flow-guiding and noise-reducing body is, of the main machine shell to the air fan inlet.

Description

A kind of water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber
Technical field
The present invention relates to lampblack absorber field, be specifically related to the water conservancy diversion sound-absorbing solid noise reduction system of a kind of lampblack absorber.
Background technology
In prior art, when cigarette machine operation, turbine noise is not only propagated along chimneying, and can pass through casing Outwards radiated noise, meanwhile, pneumatic noise and the electromagnetic noise of blower fan group are the most outwards propagated, and pollute surrounding.When environment is made an uproar When tone mark alignment request is higher, only can not efficiently control noise with general soundproof measures, it is necessary to consider noise control side Case.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that one can not only reduce noise, and And the water conservancy diversion sound-absorbing solid noise reduction system of the lampblack absorber of lampblack absorber air draught effect can be improved.
The technical scheme is that
A kind of water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber, including host shell, the ducting system that is arranged in host shell, Described ducting system includes blower housing, the air inlet being arranged on blower housing, relative with described air inlet The medial surface of host shell is provided with the major flow noise reduction body extended up and down, and described major flow noise reduction body has left and right two Spacing between major flow inclined-plane, and left and right two major flow inclined-planes is by the host shell medial surface at major flow noise reduction body place It is gradually reduced toward air inlet direction.
In lampblack absorber work process, the least air flow swirl, these air flow swirl inside host shell, can be produced Noise can be produced after colliding, and make air-flow carry out in-fighting in inside, affect the lifting of air quantity;Thus this programme is with described The medial surface of the host shell that air inlet is relative is provided with the major flow noise reduction body extended up and down, by left and right two masters The air-flow vortex within lampblack absorber main frame, the collision being prevented effectively between vortex are put out in water conservancy diversion inclined-plane, so can make an uproar in reduction While sound, lead along internal air-flow, make air-flow more smooth and easy, thus add air quantity, improve lampblack absorber air draught effect.
As preferably, in major flow noise reduction body, it is provided with the first hollow lumen, if the lateral surface of major flow noise reduction body is provided with The dry noise reduction hole being connected with the first hollow lumen, is provided with interior sound-absorbing material in described first hollow lumen.
When pneumatic noise and the electromagnetic noise of blower fan group are outwards propagated, during by major flow noise reduction body, through noise reduction hole, its Middle a part of noise is absorbed by interior sound-absorbing material, reaches secondary and reduces function of noise.
As preferably, on the medial surface of host shell and be positioned at the lower section of ducting system and be provided with the auxiliary water conservancy diversion of horizontal expansion Noise reduction body, described auxiliary water conservancy diversion noise reduction body has upper and lower two auxiliary water conservancy diversion inclined-planes, and upper and lower two auxiliary water conservancy diversion inclined-planes Between spacing be gradually reduced from the host shell medial surface assisting water conservancy diversion noise reduction body place toward host shell center position.
What this programme cross section was triangular in shape assists water conservancy diversion noise reduction body can put open the fraction within lampblack absorber main frame Vortex, reduces the collision between vortex, while reducing noise, leads along internal air-flow, makes air-flow more smooth and easy, improves oil Cigarette machine air draught effect.
As preferably, it is provided with the second hollow lumen in auxiliary water conservancy diversion noise reduction body, the lateral surface of auxiliary water conservancy diversion noise reduction body sets There are some noise reduction holes being connected with the second hollow lumen, in described second hollow lumen, are provided with sound-absorbing material in also.
When pneumatic noise and the electromagnetic noise of blower fan group are outwards propagated, during by auxiliary water conservancy diversion noise reduction body, through noise reduction hole, A portion noise is assisted the interior sound-absorbing material in water conservancy diversion noise reduction body to absorb, and reaches secondary and reduces function of noise.
As preferably, the lateral surface of host shell is provided with main frame sound-absorbing material.Main frame sound-absorbing material to pneumatic noise and Electromagnetic noise absorbs further, reaches three times and reduces function of noise.
As preferably, main frame sound-absorbing material is externally provided with host panel.
As preferably, major flow noise reduction body is connected with host shell by bolt.
As preferably, auxiliary water conservancy diversion noise reduction body is connected with host shell by bolt.
The invention has the beneficial effects as follows: noise can not only be reduced, and the lampblack absorber of lampblack absorber air draught effect can be improved Water conservancy diversion sound-absorbing solid noise reduction system.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the water conservancy diversion sound-absorbing solid noise reduction system of the lampblack absorber of the present invention.
Fig. 2 is the cross-sectional view in Fig. 1 at A-A.
Fig. 3 is the cross-sectional view in Fig. 1 at B-B.
Fig. 4 is a kind of structural representation of the major flow noise reduction body of the lampblack absorber of the present invention.
Fig. 5 is the cross-sectional view in Fig. 4 at C-C.
In figure: host shell 1, host panel 2, main frame sound-absorbing material 3, major flow noise reduction body 4, major flow inclined-plane 41, interior Sound-absorbing material 42, ducting system 5, blower housing 51, centrifugal impeller 52, air inlet 53, centrifugal blower 54, auxiliary water conservancy diversion fall Make an uproar body 6, auxiliary water conservancy diversion inclined-plane 61.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
As it is shown in figure 1, the water conservancy diversion sound-absorbing solid noise reduction system of a kind of lampblack absorber includes host shell 1 and is arranged on host shell Interior ducting system 5.Host shell is vertically arranged.The cross section of host shell is rectangular.Host shell is by all around four Side surrounds.The lateral surface of host shell is provided with main frame sound-absorbing material 3, in the present embodiment, the outer leading flank of host shell, outer It is equipped with main frame sound-absorbing material on left surface and external right side face.Main frame sound-absorbing material is externally provided with host panel 2.
Ducting system includes blower housing 51 and the air inlet 53 being arranged on blower housing.The blower fan of the present embodiment Shell is centrifugal blower volute, is provided with centrifugal impeller 52 and centrifugal blower 54 in centrifugal blower volute.The rotating shaft of centrifugal blower with Front and back sides is parallel.The air inlet of the present embodiment is arranged on the end face of volute of blower, and the both ends of the surface of volute of blower It is equipped with air inlet.The air inlet of the present embodiment towards host shell by left surface or right flank.
As shown in Figure 1, Figure 3, the medial surface of relative with air inlet host shell is provided with extend up and down leading Stream noise reduction body 4.It is equipped with on left and right two medial surface of host shell relative with air inlet in the present embodiment and extends up and down Major flow noise reduction body.Major flow noise reduction body is connected with host shell by bolt.The cross section of major flow noise reduction body is three Dihedral.Having left and right two major flow inclined-planes 41 on major flow noise reduction body, left and right two major flow inclined-planes constitute major flow fall Make an uproar the left and right sides of body.In the spacing between left and right two the major flow inclined-planes host shell by major flow noise reduction body place Side is gradually reduced toward air inlet direction.
As shown in Figure 2 and Figure 3, on the medial surface of host shell and be positioned at the lower section of ducting system and be provided with the auxiliary of horizontal expansion The assistant director of a film or play flows noise reduction body 6.The auxiliary water conservancy diversion noise reduction body of the present embodiment is two, and two auxiliary water conservancy diversion noise reduction bodies are arranged on host shell Before and after on two medial surface.Auxiliary water conservancy diversion noise reduction body extends along the rotating shaft of the impeller of centrifugal blower.Auxiliary water conservancy diversion noise reduction body passes through Bolt is connected with host shell.The cross section of auxiliary water conservancy diversion noise reduction body is triangular in shape.Have upper and lower on auxiliary water conservancy diversion noise reduction body Two auxiliary water conservancy diversion inclined-planes 61, upper and lower two auxiliary water conservancy diversion inclined-planes constitute the upper and lower two sides of auxiliary water conservancy diversion noise reduction body.Upper and lower Spacing between two auxiliary water conservancy diversion inclined-planes is from the host shell medial surface assisting water conservancy diversion noise reduction body place toward host shell center Direction is gradually reduced.
As shown in Figure 1, Figure 4, Figure 5, it is provided with the first hollow lumen in major flow noise reduction body.The lateral surface of major flow noise reduction body It is provided with some noise reduction holes being connected with the first hollow lumen.Interior sound-absorbing material 42 it is provided with in first hollow lumen.
Being provided with the second hollow lumen in auxiliary water conservancy diversion noise reduction body, the lateral surface of auxiliary water conservancy diversion noise reduction body is provided with some with the The noise reduction hole that two hollow lumen are connected, is provided with sound-absorbing material in also in described second hollow lumen.The main frame of the present embodiment is inhaled Sound material and interior sound-absorbing material are silencing cotton or damping fiber etc..

Claims (8)

1. a water conservancy diversion sound-absorbing solid noise reduction system for lampblack absorber, including host shell, be arranged in host shell air channel system System, described ducting system includes blower housing, the air inlet being arranged on blower housing, it is characterized in that, with described blower fan The medial surface of the host shell that air inlet is relative is provided with the major flow noise reduction body extended up and down, and described major flow noise reduction body has There is the spacing between left and right two major flow inclined-planes, and left and right two major flow inclined-planes by the main frame at major flow noise reduction body place Case inside face is gradually reduced toward air inlet direction.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 1, is characterized in that, described major flow noise reduction Internal first hollow lumen that is provided with, the lateral surface of major flow noise reduction body is provided with some noise reductions being connected with the first hollow lumen Hole, is provided with interior sound-absorbing material in described first hollow lumen.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 1 and 2, is characterized in that, described main case On the medial surface of body and be positioned at the lower section of ducting system and be provided with the auxiliary water conservancy diversion noise reduction body of horizontal expansion, described auxiliary water conservancy diversion noise reduction There is the spacing between upper and lower two auxiliary water conservancy diversion inclined-planes, and upper and lower two auxiliary water conservancy diversion inclined-planes by assisting water conservancy diversion noise reduction on body The host shell medial surface at body place is gradually reduced toward host shell center position.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 1 and 2, is characterized in that, described auxiliary is led Being provided with the second hollow lumen in stream noise reduction body, the lateral surface of auxiliary water conservancy diversion noise reduction body is provided with and some is connected with the second hollow lumen Logical noise reduction hole, is provided with sound-absorbing material in also in described second hollow lumen.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 1 and 2, is characterized in that, described main case The lateral surface of body is provided with main frame sound-absorbing material.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 5, is characterized in that, described main frame sound absorber Material is externally provided with host panel.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 1 and 2, is characterized in that, described major flow Noise reduction body is connected with host shell by bolt.
The water conservancy diversion sound-absorbing solid noise reduction system of lampblack absorber the most according to claim 3, is characterized in that, described auxiliary water conservancy diversion drops Body of making an uproar is connected with host shell by bolt.
CN201610738828.6A 2016-08-28 2016-08-28 A kind of water conservancy diversion sound-absorbing solid noise reduction system of kitchen ventilator Active CN106322474B (en)

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CN201610738828.6A CN106322474B (en) 2016-08-28 2016-08-28 A kind of water conservancy diversion sound-absorbing solid noise reduction system of kitchen ventilator

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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109595635A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595654A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595652A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595638A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595630A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of range hood
CN109595640A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595637A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595650A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595636A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595649A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN110145772A (en) * 2018-02-12 2019-08-20 青岛海尔智慧厨房电器有限公司 Smoke exhaust ventilator with noise reduction function
CN110685963A (en) * 2019-09-23 2020-01-14 浙江工业大学 Noise-reduction vibration-reduction type air duct system for integrated cooker
CN110822506A (en) * 2018-08-10 2020-02-21 佛山市顺德区美的洗涤电器制造有限公司 Volute for range hood, fan and range hood
CN111006273A (en) * 2020-01-03 2020-04-14 宁波方太厨具有限公司 Flow guide device, range hood applying flow guide device and control method
EP4043796A4 (en) * 2019-11-11 2022-11-09 Foshan Shunde Midea Washing Appliances Manufacturing Co., Ltd. Range hood

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CN103562562A (en) * 2011-06-09 2014-02-05 松下电器产业株式会社 Fan with sound-muffling box
CN103697512A (en) * 2013-11-30 2014-04-02 宁波方太厨具有限公司 Silent range hood
CN104180412A (en) * 2014-08-09 2014-12-03 华帝股份有限公司 Smoke absorbing and noise reducing device of range hood
CN105485743A (en) * 2016-01-15 2016-04-13 宁波方太厨具有限公司 Extractor hood with noise lowering mechanism
CN105716135A (en) * 2016-04-14 2016-06-29 广东美的厨房电器制造有限公司 Extractor hood

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CN2210270Y (en) * 1994-09-27 1995-10-18 西安交通大学 Guiding flow and sound-adsorption device for centrifugal fan
US5720274A (en) * 1994-12-05 1998-02-24 Gaggenau-Werke Haus-Und Lufttechnik Gmbh Low-noise vapor exhaust hood
CN2480759Y (en) * 2001-04-17 2002-03-06 财团法人工业技术研究院 Blower fan screen net machine set with wedge shape noise-absorbing structure
KR100599860B1 (en) * 2003-02-17 2006-07-12 주식회사 에어로네트 Hybrid Multi-stage Axial Fan Provided with a Hood
CN2695702Y (en) * 2004-03-12 2005-04-27 江苏省交通科学研究院有限公司 Silencer for axial fan
CN200993431Y (en) * 2006-12-22 2007-12-19 博西华电器(江苏)有限公司 Kitchen hood
CN102109192A (en) * 2009-12-28 2011-06-29 樱花卫厨(中国)股份有限公司 Range hood with noise reduction structure
CN103562562A (en) * 2011-06-09 2014-02-05 松下电器产业株式会社 Fan with sound-muffling box
CN103697512A (en) * 2013-11-30 2014-04-02 宁波方太厨具有限公司 Silent range hood
CN104180412A (en) * 2014-08-09 2014-12-03 华帝股份有限公司 Smoke absorbing and noise reducing device of range hood
CN105485743A (en) * 2016-01-15 2016-04-13 宁波方太厨具有限公司 Extractor hood with noise lowering mechanism
CN105716135A (en) * 2016-04-14 2016-06-29 广东美的厨房电器制造有限公司 Extractor hood

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CN109595637B (en) * 2017-09-30 2024-01-16 宁波方太厨具有限公司 Near-suction type range hood
CN109595630B (en) * 2017-09-30 2024-02-20 宁波方太厨具有限公司 Fume exhauster
CN109595650B (en) * 2017-09-30 2024-01-16 宁波方太厨具有限公司 Near-suction type range hood
CN109595638A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595630A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of range hood
CN109595640A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595637A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595650A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595636A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595649A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595640B (en) * 2017-09-30 2024-01-16 宁波方太厨具有限公司 Near-suction type range hood
CN109595636B (en) * 2017-09-30 2024-01-16 宁波方太厨具有限公司 Near-suction type range hood
CN109595652A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595654A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595652B (en) * 2017-09-30 2024-01-16 宁波方太厨具有限公司 Near-suction type range hood
CN109595654B (en) * 2017-09-30 2024-01-16 宁波方太厨具有限公司 Near-suction type range hood
CN109595635B (en) * 2017-09-30 2023-11-24 宁波方太厨具有限公司 Near-suction type range hood
CN109595649B (en) * 2017-09-30 2024-01-16 宁波方太厨具有限公司 Near-suction type range hood
CN109595635A (en) * 2017-09-30 2019-04-09 宁波方太厨具有限公司 A kind of near-suction type oil smoke suction machine
CN109595638B (en) * 2017-09-30 2024-01-16 宁波方太厨具有限公司 Near-suction type range hood
CN110145772A (en) * 2018-02-12 2019-08-20 青岛海尔智慧厨房电器有限公司 Smoke exhaust ventilator with noise reduction function
CN110822506A (en) * 2018-08-10 2020-02-21 佛山市顺德区美的洗涤电器制造有限公司 Volute for range hood, fan and range hood
CN110685963A (en) * 2019-09-23 2020-01-14 浙江工业大学 Noise-reduction vibration-reduction type air duct system for integrated cooker
US11867406B2 (en) 2019-11-11 2024-01-09 Foshan Shunde Midea Washing Appliances Manufacturing Co., Ltd. Range hood
EP4043796A4 (en) * 2019-11-11 2022-11-09 Foshan Shunde Midea Washing Appliances Manufacturing Co., Ltd. Range hood
CN111006273B (en) * 2020-01-03 2021-12-03 宁波方太厨具有限公司 Flow guide device, range hood applying flow guide device and control method
CN111006273A (en) * 2020-01-03 2020-04-14 宁波方太厨具有限公司 Flow guide device, range hood applying flow guide device and control method

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