CN108344015A - Smoke exhaust ventilator silencing apparatus, method and smoke exhaust ventilator - Google Patents
Smoke exhaust ventilator silencing apparatus, method and smoke exhaust ventilator Download PDFInfo
- Publication number
- CN108344015A CN108344015A CN201810320393.2A CN201810320393A CN108344015A CN 108344015 A CN108344015 A CN 108344015A CN 201810320393 A CN201810320393 A CN 201810320393A CN 108344015 A CN108344015 A CN 108344015A
- Authority
- CN
- China
- Prior art keywords
- smoke exhaust
- exhaust ventilator
- noise elimination
- silencing apparatus
- cavity unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/161—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general in systems with fluid flow
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
Abstract
The present invention relates to smoke exhaust ventilator field, a kind of smoke exhaust ventilator silencing apparatus, method and smoke exhaust ventilator are disclosed, including array of cavities, the array of cavities include multiple cavities unit, and noise elimination pipeline is respectively equipped with through each Cavity unit；The tube wall of the upper part in the Cavity unit of noise elimination pipeline is equipped with through-hole array；Helmholz resonance structure is formed between each noise elimination pipeline and the Cavity unit where it.The silencing apparatus of the present invention is set to the air inlet position of smoke exhaust ventilator, makes an uproar and eliminates to the wind of air inlet from source, avoids the noise radiation that smoke exhaust ventilator inner fan generates from coming out, noise elimination effect is notable.
Description
Technical field
The present invention relates to smoke exhaust ventilator fields, more particularly to a kind of smoke exhaust ventilator silencing apparatus, method and smoke exhaust ventilator.
Background technology
Current smoke exhaust ventilator is generally eliminated the noise using two schemes：It eliminates the noise first, being installed additional at the air outlet of smoke exhaust ventilator
Device reduces the noise of air outlet, this scheme on the noise of air inlet almost without influence, can not eliminate air inlet noise to
The influence at family cannot eliminate wind from source and make an uproar.Second is that sound-absorbing material is arranged in smoke machine air duct, by reducing in air duct
Sound reflecting, to reduce the noise for being radiated user, this scheme needs to use resistive sound-absorbing material, there is inflammable risk.
Invention content
The purpose of the invention is to overcome the wind of the existing technology that cannot be eliminated from source to make an uproar and resistive sound absorption material
Material has the technical issues of inflammable risk, and provide a kind of can eliminate smoke exhaust ventilator silencing apparatus, method and pumping that wind is made an uproar from source
Kitchen ventilator.
To achieve the goals above, one aspect of the present invention provides a kind of smoke exhaust ventilator silencing apparatus, including array of cavities, institute
It includes multiple cavities unit to state array of cavities, and noise elimination pipeline is respectively equipped with through each Cavity unit；
The tube wall of the upper part in the Cavity unit of noise elimination pipeline is equipped with through-hole array；
Helmholz resonance structure is formed between each noise elimination pipeline and the Cavity unit where it.
Preferably, the top side and bottom side of the Cavity unit are equipped with through-hole；
The noise elimination pipeline sequentially passes through the top side of the Cavity unit and the through-hole of bottom side, the outer wall of the noise elimination pipeline
It is in close contact with the hole wall of each through-hole so that sealing therebetween.
Preferably, the array of cavities is five Column Layout of three rows and four columns or three rows.
Preferably, the cross section of the Cavity unit is square, geometry of the noise elimination pipeline from the Cavity unit
Center is run through.
Preferably, the air inlet of each noise elimination pipeline is covered with oil screen.
Preferably, the array of cavities and noise elimination pipeline are made of fire-proof high-temperature resistant material.
Second aspect of the present invention provides a kind of smoke exhaust ventilator sound reduction method, and institute as above is installed in the air inlet of smoke exhaust ventilator
The smoke exhaust ventilator silencing apparatus stated；
Air containing oil smoke is inhaled into the noise elimination pipeline of the smoke exhaust ventilator silencing apparatus under the action of negative pressure, containing oil smoke
Air is entered in the form of multiply little airflow in the Cavity unit via the through-hole array of the noise elimination pipeline；
Air containing oil smoke realizes air pressure decaying after constantly being reflected in the Cavity unit, to eliminate noise.
Preferably, it is fully sealed between the outer wall and the inner wall of the air inlet of the smoke exhaust ventilator silencing apparatus.
Third aspect present invention provides a kind of smoke exhaust ventilator, including fume exhaust device and smoke exhaust ventilator as described above are eliminated the noise
Device；
The smoke exhaust ventilator silencing apparatus is mounted on the air inlet of the fume exhaust device；
It is fully sealed between the outer wall and the inner wall of the air inlet of the smoke exhaust ventilator silencing apparatus.
Preferably, the array of cavities of the smoke exhaust ventilator silencing apparatus is five Column Layout of three rows and four columns or three rows, the chamber
The cross section of body unit is square, and the noise elimination pipeline runs through from the geometric center position of the Cavity unit；
The air inlet of each noise elimination pipeline is covered with oil screen.
Through the above technical solutions, silencing apparatus is set to the air inlet position of smoke exhaust ventilator, to air inlet from source
Wind, which is made an uproar, to be eliminated, and the noise radiation that smoke exhaust ventilator inner fan generates is avoided to come out.In the outer wall and air inlet of silencing apparatus
It is fully sealed between wall, it is ensured that air-flow can only be entered by the noise elimination pipeline of silencing apparatus inside smoke exhaust ventilator.Air-flow passes through
It when noise elimination pipeline, is entered in rectangular noise elimination Cavity unit via through-hole array, air-flow is during size spatial transformation, logical
In the case of wind area is immovable, the length in air duct is extended, constantly reflection makes air pressure decay in Cavity unit, utilizes complications
Channel consume noise energy, the air-flow after energy attenuation via noise elimination pipeline through-hole array again from Cavity unit into
Enter pipeline of eliminating the noise, finally flow to the air outlet of smoke exhaust ventilator, during which only a small amount of noise, which can escape out, is transmitted in user's ear,
Noise elimination effect is notable.Entire noise elimination process will not reduce air pressure air flow, and noise only can be greatly reduced.
The silencing apparatus of the present invention uses all-metal or other fire proofings, can to avoid using inflammable sound-absorbing material,
Such as acoustical cotton effectively eliminates inflammable security risk.
The silencing apparatus of the present invention is using materials such as oil-stain-preventing, fire prevention, it is ensured that greasy dirt can be collected effectively, and wind will not be blocked
Road.
The present invention silencing apparatus can be designed as simply can assembling structure, can fully efficiently use the limited sky of smoke exhaust ventilator
Between installed, facilitate user to dismantle and cleaning, repeatable to utilize and do not generate consumptive material, at low cost and good environmental protection, also
Oil screen can be covered in the air inlet of noise elimination pipeline and collect greasy dirt, evade conventional muffler and be easy to be blocked by greasy dirt and caused to inhale
The problem of acoustic performance reduces.
The silencing apparatus of the present invention need not change the face shaping of smoke exhaust ventilator, it is ensured that user is installing, uses and tieing up
Repairing aspect and mainstream smoke exhaust ventilator does not have any discomfort.
Description of the drawings
Fig. 1 is the dimensional structure diagram of smoke exhaust ventilator silencing apparatus one embodiment of the present invention；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the perspective view of Fig. 2；
Fig. 4 is the vertical view of Fig. 1；
Fig. 5 is the perspective view of Fig. 4；
Fig. 6 is the structural schematic diagram of smoke exhaust ventilator one embodiment of the present invention.
Reference sign
Array of cavities 1；Cavity unit 101；Noise elimination pipeline 2；Through-hole array 201；Air-flow 3；Smoke exhaust ventilator silencing apparatus 10；
Fume exhaust device 20.
Specific implementation mode
Embodiment 1
As shown in Figs. 1-5, smoke exhaust ventilator silencing apparatus of the invention is box-shaped hollow structure, is arranged including with 3 rows 5
The array of cavities 1 of 15 hollow cavity units 101, the cross section of Cavity unit 101 are square, 101 top side of Cavity unit and
The geometric center position of bottom side is equipped with through-hole (not shown), and top side is vertically sequentially passed through on each Cavity unit 101
Noise elimination pipeline 2, array of cavities 1 and noise elimination pipeline 2 are installed by metal or other fire-proof high-temperature resistant materials with the through-hole of bottom side
It is made.
The hole wall of the outer wall of noise elimination pipeline 2 and each through-hole is in close contact so that sealing therebetween, is located on noise elimination pipeline 2
Through-hole array 201, the through-hole array 201 of every noise elimination pipeline 2 and its institute are offered on the tube wall of part in Cavity unit 101
Hollow Cavity unit 101 between formed Helmholtz acoustic resonator structure.
The arrangement form of through-hole array 201 can be as shown in Figure 3, along the axial direction of noise elimination pipeline 2, at interval of one section away from
From the circumferentially disposed ring through hole along noise elimination pipeline 2, the distance between two adjacent rings through-hole is equal, and the number of openings often enclosed is equal
And lead to the hole site corresponds up and down.
When air-flow 3 enters Cavity unit 101 by through-hole array 201 from noise elimination pipeline 2,101 air-flow of Cavity unit
It is immovable in draught area during size spatial transformation, the length in air duct is extended, in Cavity unit 101
Interior continuous reflection makes air pressure decay, and consumes noise energy using tortuous channel, the air-flow 3 after energy attenuation is via hush tube
The through-hole array 201 in road 2 enters noise elimination pipeline 2 from Cavity unit 101 again, finally flow to the air outlet of smoke exhaust ventilator, phase
Between only a small amount of noise can escape out and be transmitted in user's ear, largely attenuating gas circulates the noise of out-of-date generation, disappears
Sound effective value is notable.Since wind can have been made an uproar elimination totally by Helmholtz acoustic resonator structure itself, so that it may not use easily
The sound-absorbing material of combustion, such as acoustical cotton effectively eliminate the inflammable security risk of conventional muffler.
It is noted that since noise elimination pipeline 2 is arranged in the geometric center position of Cavity unit 101, noise elimination pipeline 2
Vertical range between axis and 101 each madial wall of Cavity unit is equal, and the air-flow 3 sprayed in this way from through-hole array 201 can be equal
It is applied to each madial wall of Cavity unit 101 evenly, air-flow 3 can be by balancedly reflection loss, and noise reduction is best.
Embodiment 2
On the basis of embodiment 1, to prevent in the oil-contg. smoke generated when noise elimination pipeline 2 is cooked after long-time use
Greasy dirt block, be integrally covered with an oil screen (not shown) in the air inlet of all noise elimination pipelines 2, oil screen can be with
The greasy dirt in oil-contg. smoke is filtered out, and the greasy dirt filtered out is collected to the collection box being connect with oil screen.In oil screen
Greasy dirt filter layer is demountable, is convenient for changing.It is also demountable that greasy dirt, which collects box, and greasy dirt can unload down after being full of
Fall to be loaded on.
Embodiment 3
As shown in fig. 6, the smoke exhaust ventilator of the present invention includes the smoke exhaust ventilator silencing apparatus 10 in embodiment 1 or embodiment 2
With fume exhaust device 20, smoke exhaust ventilator silencing apparatus 10 is mounted on the air inlet of fume exhaust device 20.
It is fully sealed between the inner wall of 20 air inlet of outer wall and fume exhaust device of smoke exhaust ventilator silencing apparatus 10, it is ensured that gas
Stream 3 can only be entered by the noise elimination pipeline 2 of silencing apparatus 10 inside smoke exhaust ventilator.
Silencing apparatus 10 is set to the air inlet position of smoke exhaust ventilator, makes an uproar and eliminates to the wind of air inlet from source, keeps away
The noise radiation for exempting from the generation of smoke exhaust ventilator inner fan comes out.
Embodiment 4
As shown in figures 1 to 6, smoke exhaust ventilator sound reduction method of the invention installs embodiment 1 in the air inlet of smoke exhaust ventilator
Or the smoke exhaust ventilator silencing apparatus 10 in embodiment 2；It is complete between the outer wall of smoke exhaust ventilator silencing apparatus 10 and the inner wall of air inlet
It is hermetically sealed, it is ensured that air-flow 3 can only be entered by the noise elimination pipeline 2 of silencing apparatus 10 inside smoke exhaust ventilator.
Air containing oil smoke is sucked the hush tube of smoke exhaust ventilator silencing apparatus 10 by fume exhaust device 20 under the action of negative pressure
Road 2, the air containing oil smoke enter Cavity unit 101 via the through-hole array 201 of noise elimination pipeline 2 in the form of multiply little airflow 3
In；Air-flow 3 is immovable in draught area during size spatial transformation, extends the length in air duct, air-flow 3
Constantly reflection makes air pressure decay in Cavity unit 101, consumes noise energy using tortuous channel, the gas after energy attenuation
Stream 3 enters noise elimination pipeline 2 from Cavity unit 101 again via the through-hole array 201 of noise elimination pipeline 2, finally flow to smoke pumping
The air outlet of machine, during which only a small amount of noise, which can escape out, is transmitted in user's ear, and noise elimination effect is notable.Entire noise elimination process
Air pressure air flow will not be reduced, noise only can be greatly reduced.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited thereto.At this
In the range of the technology design of invention, a variety of simple variants, including each particular technique can be carried out to technical scheme of the present invention
Feature is combined in any suitable manner, and in order to avoid unnecessary repetition, the present invention is to various combinations of possible ways
No longer separately illustrate.But it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to the present invention
Protection domain.
Claims (10)
1. a kind of smoke exhaust ventilator silencing apparatus, which is characterized in that including array of cavities, the array of cavities includes multiple cavities list
Member is respectively equipped with noise elimination pipeline through each Cavity unit；
The tube wall of the upper part in the Cavity unit of noise elimination pipeline is equipped with through-hole array；
Helmholz resonance structure is formed between each noise elimination pipeline and the Cavity unit where it.
2. smoke exhaust ventilator silencing apparatus according to claim 1, which is characterized in that the top side and bottom side of the Cavity unit
It is equipped with through-hole；
The noise elimination pipeline sequentially passes through the top side of the Cavity unit and the through-hole of bottom side, the outer wall of the noise elimination pipeline with it is each
The hole wall of the through-hole is in close contact so that sealing therebetween.
3. smoke exhaust ventilator silencing apparatus according to claim 1 or 2, which is characterized in that the array of cavities is three rows four
Row or three rows, five Column Layout.
4. smoke exhaust ventilator silencing apparatus according to claim 3, which is characterized in that the cross section of the Cavity unit is just
Rectangular, the noise elimination pipeline runs through from the geometric center position of the Cavity unit.
5. smoke exhaust ventilator silencing apparatus according to claim 1 or 2, which is characterized in that the air inlet of each noise elimination pipeline
Mouth is covered with oil screen.
6. smoke exhaust ventilator silencing apparatus according to claim 1, which is characterized in that the array of cavities and noise elimination pipeline are equal
It is made of fire-proof high-temperature resistant material.
7. a kind of smoke exhaust ventilator sound reduction method, which is characterized in that in the air inlet installation such as claims 1 or 2 of smoke exhaust ventilator
The smoke exhaust ventilator silencing apparatus；
Air containing oil smoke is inhaled into the noise elimination pipeline of the smoke exhaust ventilator silencing apparatus, the air containing oil smoke under the action of negative pressure
Entered in the Cavity unit in the form of multiply little airflow via the through-hole array of the noise elimination pipeline；
Air containing oil smoke realizes air pressure decaying after constantly being reflected in the Cavity unit, to eliminate noise.
8. smoke exhaust ventilator sound reduction method according to claim 7, which is characterized in that outside the smoke exhaust ventilator silencing apparatus
It is fully sealed between wall and the inner wall of the air inlet.
9. a kind of smoke exhaust ventilator, which is characterized in that disappear including fume exhaust device and smoke exhaust ventilator as claimed in claim 1 or 2
Acoustic device；
The smoke exhaust ventilator silencing apparatus is mounted on the air inlet of the fume exhaust device；
It is fully sealed between the outer wall and the inner wall of the air inlet of the smoke exhaust ventilator silencing apparatus.
10. smoke exhaust ventilator according to claim 9, which is characterized in that the array of cavities of the smoke exhaust ventilator silencing apparatus
For five Column Layout of three rows and four columns or three rows, the cross section of the Cavity unit is square, and the noise elimination pipeline is from the cavity
The geometric center position of unit is run through；
The air inlet of each noise elimination pipeline is covered with oil screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320393.2A CN108344015A (en) | 2018-04-11 | 2018-04-11 | Smoke exhaust ventilator silencing apparatus, method and smoke exhaust ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810320393.2A CN108344015A (en) | 2018-04-11 | 2018-04-11 | Smoke exhaust ventilator silencing apparatus, method and smoke exhaust ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108344015A true CN108344015A (en) | 2018-07-31 |
Family
ID=62957421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810320393.2A Pending CN108344015A (en) | 2018-04-11 | 2018-04-11 | Smoke exhaust ventilator silencing apparatus, method and smoke exhaust ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108344015A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340191A (en) * | 2018-09-27 | 2019-02-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Muffler and kitchen ventilator |
| CN109340193A (en) * | 2018-09-27 | 2019-02-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Diversion air duct, air stream drives part and kitchen ventilator |
| CN111513483A (en) * | 2020-05-07 | 2020-08-11 | 合肥柏隆科技发展有限公司 | Novel silence ventilation sterilization cupboard |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5983888A (en) * | 1999-04-07 | 1999-11-16 | Whirlpool Corporation | Low noise cooker hood |
| US20110000741A1 (en) * | 2008-03-03 | 2011-01-06 | Ali Berker | Process for Audible Acoustic Frequency Management in Gas Flow Systems |
| CN202811012U (en) * | 2012-07-06 | 2013-03-20 | 南车青岛四方机车车辆股份有限公司 | Exhaust silencing device of diesel engine |
| CN203573641U (en) * | 2013-08-29 | 2014-04-30 | 陕西工大福田科技工程有限公司 | Resonance muffler |
| CN205841330U (en) * | 2016-06-22 | 2016-12-28 | 湖南天雁机械有限责任公司 | Turbocharger silencer |
-
2018
- 2018-04-11 CN CN201810320393.2A patent/CN108344015A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5983888A (en) * | 1999-04-07 | 1999-11-16 | Whirlpool Corporation | Low noise cooker hood |
| US20110000741A1 (en) * | 2008-03-03 | 2011-01-06 | Ali Berker | Process for Audible Acoustic Frequency Management in Gas Flow Systems |
| CN202811012U (en) * | 2012-07-06 | 2013-03-20 | 南车青岛四方机车车辆股份有限公司 | Exhaust silencing device of diesel engine |
| CN203573641U (en) * | 2013-08-29 | 2014-04-30 | 陕西工大福田科技工程有限公司 | Resonance muffler |
| CN205841330U (en) * | 2016-06-22 | 2016-12-28 | 湖南天雁机械有限责任公司 | Turbocharger silencer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109340191A (en) * | 2018-09-27 | 2019-02-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Muffler and kitchen ventilator |
| CN109340193A (en) * | 2018-09-27 | 2019-02-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Diversion air duct, air stream drives part and kitchen ventilator |
| CN111513483A (en) * | 2020-05-07 | 2020-08-11 | 合肥柏隆科技发展有限公司 | Novel silence ventilation sterilization cupboard |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180731 |
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| RJ01 | Rejection of invention patent application after publication |