CN207555703U - Noise reducing casing component and range hood - Google Patents
Noise reducing casing component and range hood Download PDFInfo
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- CN207555703U CN207555703U CN201721753759.2U CN201721753759U CN207555703U CN 207555703 U CN207555703 U CN 207555703U CN 201721753759 U CN201721753759 U CN 201721753759U CN 207555703 U CN207555703 U CN 207555703U
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- spiral case
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- casing component
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Abstract
The utility model provides a kind of noise reducing casing component and range hood, is related to the technical field of kitchen appliance.A kind of noise reducing casing component includes spiral case ontology, and the spiral case ontology includes spiral case coaming plate and spiral case side plate, multiple through-hole structures is offered on the spiral case coaming plate, and the sound-absorbing element being correspondingly arranged with the through-hole structure is equipped on the outside of the spiral case coaming plate;The sound-absorbing element can block the through-hole structure, and the noise of the spiral case body interior is absorbed.A kind of range hood includes noise reducing casing component.The purpose of this utility model is to provide a kind of noise reducing casing component and range hoods, larger to alleviate range hood of the prior art noise when smoking effect is good, the problem of user is made not feel well.
Description
Technical field
The utility model is related to the technical field of kitchen appliance, more particularly, to a kind of noise reducing casing component and fume-exhausting
Machine.
Background technology
A large amount of flue gas is inevitably resulted from during culinary cuisine, and is that raising kitchen cleaning and human body are good for
Health, range hood almost have become electric appliance indispensable in every family kitchen.At present, the range hood kind occurred in the market
It is various, mostly using centrifugal blower, larger suction is generated, so as to which the flue gas in kitchen is discharged to outdoor.
However, range hood currently on the market, although the wind pressure and wind pressure of its generation are higher, is generated in normal work
Suction it is larger, flue gas velocity is very fast, can provide preferable smoking effect to the user, but when range hood works generates
Noise is very big, and uncomfortable feeling is brought to user.And in order to reduce influence of the noise to user of range hood, it is existing big
Part range hood, using the measure for reducing air quantity, leads to the smoke suction effect of range hood to reduce as a result, for noise reduction;Cause
This, it is impossible to meet smoking and all relatively good effects of noise reduction substantially for range hood of the prior art.
Based on problem above, a kind of smoking and the relatively preferable air duct noise-reducing structure of noise reduction resultant effect and fume-exhausting are proposed
Machine is particularly important.
The information for being disclosed in the background technology part is merely intended to deepen the reason to the general background technology of the utility model
Solution, and be not construed as recognizing or to imply that the information is formed in any form known to those skilled in the art existing
Technology.
Utility model content
The first of the utility model is designed to provide a kind of noise reducing casing component, to alleviate fume-exhausting of the prior art
Machine noise when smoking effect is good is larger, the problem of user is made not feel well.
In order to solve the above-mentioned technical problem, the technological means that the utility model is taken is:
A kind of noise reducing casing component provided by the utility model includes spiral case ontology, and the spiral case ontology includes spiral case coaming plate
And spiral case side plate, two pieces of spiral case side plates are separately positioned on the both sides of the spiral case coaming plate so that two pieces of spiral case side plates
A volute housing is surrounded jointly with the spiral case coaming plate;
Wherein, the side of the spiral case ontology lower end is set as wedge structure, and on the spiral case coaming plate with the wedge shape
The opposite side of structure offers oil leaking hole;
Multiple through-hole structures are offered on the spiral case coaming plate, and sound-absorbing element is provided on the outside of the spiral case coaming plate, institute
The through-hole structure can be covered by stating sound-absorbing element, and avoid the oil leaking hole and the wedge structure so that sound-absorbing
Element can block through-hole structure and intrinsic noise absorbs to spiral case, meanwhile, it is easily installed, and will not hinder
Keep off oil leaking hole.
As a kind of further technical solution, the sound-absorbing element uses strip structure, and the sound-absorbing element
Width both sides are symmetrical.
As a kind of further technical solution, the sound-absorbing element surround and is fitted on the spiral case coaming plate, and in institute
State the recessed portion being provided on sound-absorbing element for avoiding the wedge structure and the oil leaking hole.
As a kind of further technical solution, which further includes multiple buckles, each buckle card
It closes in the outside of the sound-absorbing element, and the buckle is fixedly connected on the spiral case ontology.
As a kind of further technical solution, the end of the buckle is consolidated by way of welding, screw or rivet
It is scheduled on the spiral case side plate.
As a kind of further technical solution, which further includes baffle ring structure, and the baffle ring structure is consolidated
Dingan County is mounted in the air inlet of the spiral case ontology.
As a kind of further technical solution, on the baffle ring structure end face opposite with the spiral case ontology air inlet
It is provided with the trough body structure for being embedded in the buckle end.
As a kind of further technical solution, the through-hole structure on the spiral case coaming plate is uniformly arranged, and the through-hole
Structure is obtained by the way of mould punching, etching or laser boring.
As a kind of further technical solution, coated with fire-retardant on the face opposite with the spiral case on the sound-absorbing element
Glue.
Compared with prior art, technical advantage possessed by a kind of noise reducing casing component provided by the utility model is:
A kind of noise reducing casing component provided by the utility model include spiral case ontology, the spiral case ontology include spiral case coaming plate and
Spiral case side plate offers multiple through-hole structures on spiral case coaming plate, and is equipped with and the through-hole structure pair in the outside of spiral case coaming plate
The sound-absorbing element that should be set, the sound-absorbing element can cover through-hole structure, and can be to the noise of spiral case body interior
It is absorbed, to achieve the effect that noise reduction;Meanwhile the side of spiral case ontology lower end is provided with wedge structure, and and wedge structure
Opposite side is provided with oil leaking hole, when installing sound-absorbing element, needs to cover through-hole structure, and avoid wedge structure and leakage
Oilhole.
The specific principle of noise reduction of the noise reducing casing component is:
The noise reducing casing component is arranged on the inside of range hood shell, and sets impeller, the leaf in spiral case body interior
Wheel is driven by motor, and the air inlet of spiral case ontology is connected with exhaust fume collecting hood component, and air outlet is connected with extraneous air exhaust passage, by
This, is when opening range hood, motor impeller high speed rotation, since the special construction of impeller can make spiral case intrinsic
Gas is arranged outward by air outlet, generates certain vacuum degree in spiral case ontology at this time, further in exhaust fume collecting hood component into cigarette
Certain vacuum degree is generated at mouthful, so as to which cooking fume concentration is drawn into spiral case ontology by exhaust fume collecting hood component;However,
Flow at high speed can be carried out in spiral case ontology under the drive of impeller into the intrinsic flue gas of spiral case, is produced between flue gas and impeller
Raw mutually collision, friction, generate what is generated when collision, friction and blower fan work between flue gas and the madial wall of spiral case ontology
Thus sound can generate larger noise;At this point, noise can be by the through-hole structure on spiral case coaming plate, then by sound-absorbing element
It is absorbed, noise is reduced through spiral case ontology to external radiation, so as to play certain Noise Reduction, to reduce entire inhale
The noise that kitchen ventilator generates.Simultaneously, it is contemplated that the problem of range hood space limits is provided in the side of spiral case ontology lower end
Wedge structure has also opened up oil leaking hole on spiral case coaming plate, so as to need mutually to fit with spiral case coaming plate when installing sound-absorbing element
Should, it had both avoided wedge structure and had had that oil leaking hole will not be blocked, and killed two birds with one stone, achieve the purpose that easy for installation and do not influence oil leak.
Noise reducing casing component provided by the utility model apply in range hood so that the range hood is higher in wind pressure
In the case of will not generate larger noise, so as to effectively alleviate range hood of the prior art by reducing wind pressure
Measure noise reduction, the problem of causing range hood smoke exhaust efficiency low, and then make the smoking effect of range hood and noise reduction equal
The kilter reached brings better experience sense to user.
The second of the utility model is designed to provide a kind of range hood, is existed with alleviating range hood of the prior art
Noise is larger when smoking effect is good, the problem of user is made not feel well.
A kind of range hood provided by the utility model includes the noise reducing casing component.
Compared with prior art, technical advantage possessed by a kind of range hood provided by the utility model is:
A kind of range hood provided by the utility model includes above-mentioned noise reducing casing component, and the range hood is reached as a result,
To technical advantage and effect include above-mentioned noise reducing casing the component technical advantage and effect that are reached, no longer go to live in the household of one's in-laws on getting married herein
It states.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution of the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be the utility model some embodiments, for those of ordinary skill in the art, do not paying creativeness
Under the premise of labour, other attached drawings are can also be obtained according to these attached drawings.
Fig. 1 is the first structure schematic diagram of a kind of noise reducing casing component that the utility model embodiment provides;
Fig. 2 is the second structure diagram of a kind of noise reducing casing component that the utility model embodiment provides;
Fig. 3 is the structure diagram of spiral case coaming plate in the noise reducing casing component that the utility model embodiment provides;
Fig. 4 is the structure diagram of sound-absorbing element in the noise reducing casing component that the utility model embodiment provides;
Fig. 5 is to sound-absorbing element and spiral case sheet in the noise reducing casing component that the utility model embodiment provides using fixed bin
The schematic diagram that body is fixed;
Fig. 6 is the structure for being used to fix the baffle of sound-absorbing element in the noise reducing casing component that the utility model embodiment provides
Schematic diagram;
Fig. 7 is the structural representation of a kind of range hood with noise reducing casing component that the utility model embodiment provides
Figure;
Fig. 8 is the assembling schematic diagram of noise reducing casing component and exhaust fume collecting hood component in range hood shown in Fig. 7;
Fig. 9 is the structure diagram of the baffle ring structure in range hood shown in fig. 7.
Icon:100- spiral case ontologies;110- spiral case coaming plates;111- through-hole structures;112- oil leaking holes;120- spiral cases
Side plate;130- wedge structures;200- sound-absorbing elements;210- recessed portions;220- fire retardant glues;300- is buckled;400- baffle rings
Structure;410- trough body structures;500- impellers;600- smoke exhauster housings;700- exhaust fume collecting hood components;800- motors;
910- fixed bins;920- baffles.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model part of the embodiment, instead of all the embodiments.Based on the embodiment in the utility model, sheet
Field those of ordinary skill all other embodiments obtained without making creative work, belong to this practicality
Novel protected range.
In the description of the present invention, it should be noted that term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instructions such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
The utility model must have specific with the device or element for simplifying description rather than instruction or hint meaning for ease of description
Orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.In addition, term " the
One ", " second ", " third " are only used for description purpose, and it is not intended that instruction or hint relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection;Can be mechanical connection or electrical connection;It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, can above-mentioned art be understood with concrete condition
Concrete meaning of the language in the utility model.
The utility model is further described in detail below through specific implementation examples and in conjunction with the accompanying drawings.
Concrete structure is as shown in Fig. 1-Fig. 9.
A kind of noise reducing casing component provided in this embodiment includes spiral case ontology 100, which encloses including spiral case
Plate 110 and spiral case side plate 120 offer multiple through-hole structures 111, and in the outside of spiral case coaming plate 110 on spiral case coaming plate 110
Equipped with the sound-absorbing element 200 being correspondingly arranged with the through-hole structure 111, which can carry out through-hole structure 111
Covering, and the noise inside spiral case ontology 100 can be absorbed, to achieve the effect that noise reduction.
It should be noted that the sound-absorbing element 200 in the present embodiment, using acoustical cotton, the main component of acoustical cotton is poly- ammonia
Ester, and the acoustical cotton has certain thickness, plays certain sealing function, thus, it is possible to realize the envelope to through-hole structure 111
Stifled effect.It tests by contrast, when range hood works normally, noise is substantially reduced, but air quantity and wind pressure variation range are smaller,
Within the scope of maintaining design margin.Meanwhile after 100 normal mounting of spiral case ontology, lower end (one end opposite with exhaust outlet)
Side setting wedge structure 130, the wedge structure 130 setting mainly in view of range hood space limit;Into one
Step, oil leaking hole 112 is opened up in 100 bottom end of spiral case ontology, for discharging the oil droplet formed after oil smoke condensation, oil leaking hole 112
Specifically it is opened on spiral case coaming plate 110;And when installing sound-absorbing element 200, it needs to ensure cover through-hole structure 111
Meanwhile also to avoid wedge structure 130 and oil leaking hole 112, it is therefore desirable to which corresponding structure is set on sound-absorbing element 200 with full
Sufficient actual requirement has achieved the purpose that easy for installation and has not influenced oil leak.
The specific principle of noise reduction of the noise reducing casing component is:The noise reducing casing component is arranged on the interior of range hood shell
Portion, and impeller 500 is set inside spiral case ontology 100, which is driven by motor 800, and the air inlet of spiral case ontology 100
Mouth is connected with exhaust fume collecting hood component 700, and air outlet is connected with extraneous air exhaust passage, as a result, when opening range hood, motor 800
500 high speed rotation of impeller, since the special construction of impeller 500 can make the gas in spiral case ontology 100 pass through air outlet
Row outward generates certain vacuum degree in spiral case ontology 100 at this time, is further generated at the smoke inlet of exhaust fume collecting hood component 700
Certain vacuum degree, so as to which cooking fume concentration is drawn into spiral case ontology 100 by exhaust fume collecting hood component 700;However, into
Flow at high speed, flue gas and leaf can be carried out under the drive of impeller 500 in spiral case ontology 100 by entering the flue gas in spiral case ontology 100
Mutually collision, friction are generated between wheel 500, collision, friction, Yi Jifeng are generated between flue gas and the madial wall of spiral case ontology 100
The sound that machine generates when working, thus can generate larger noise;At this point, noise can pass through the through-hole knot on spiral case coaming plate 110
Then structure 111 is absorbed by sound-absorbing element 200, noise is reduced through spiral case ontology 100 to external radiation, so as to play
Certain Noise Reduction, to reduce the noise that entire range hood generates.
Noise reducing casing component provided in this embodiment apply in range hood so that the range hood is higher in wind pressure
In the case of will not generate larger noise, so as to effectively alleviate range hood of the prior art by reducing wind pressure
Measure noise reduction, the problem of causing range hood smoke exhaust efficiency low, and then the smoking effect of range hood is made to be reached with noise reduction
The kilter arrived brings better experience sense to user.
In the optional technical solution of the present embodiment, sound-absorbing element 200 use strip structure, and with 120 phase of spiral case side plate
It adapts to, and the width both sides of sound-absorbing element 200 are symmetrical, and surround and be fitted on the lateral surface of spiral case side plate 120.
In the optional technical solution of the present embodiment, it is provided with to avoid wedge structure 130 and oil leak on sound-absorbing element 200
The recessed portion 210 in hole 112.
Specifically, the spiral case coaming plate 110 in the present embodiment spiral case ontology 100 is wrapped in two pieces of snails using strip structure
The edge of shell side wall, it is possible thereby to form wind guide chamber, and in order to realize decrease of noise functions, in spiral case coaming plate 110 in the present embodiment
On opened up multigroup through-hole structure 111, then sound-absorbing element 200 is covered on through-hole structure 111, on the one hand, for preliminary
Block through-hole structure 111, on the other hand, the noise that the inside of spiral case ontology 100 generates can pass through through-hole structure 111, then by
Sound-absorbing element 200 adsorbs, so as to play certain Noise Reduction.As a result, sound-absorbing element 200 in the present embodiment need with
The shape of spiral case coaming plate 110 is adapted, and needs to realize whole packages to through-hole structure 111;In addition, in spiral case coaming plate 110
Bottom offers oil leaking hole 112, and for sound-absorbing element 200 in setting, needing will be exposed at oil leaking hole 112, to prevent to oil leaking hole
Sound-absorbing element 200 as a result, in the present embodiment, is set recessed portion 210 by 112 closure at oil leaking hole 112, in order to incite somebody to action
Oil leaking hole 112 is exposed, cannot be leaked out out of spiral case ontology 100 by oil leaking hole 112 with alleviating oil droplet.Also, since wedge shape is tied
The setting of structure 130 so that there is indent in the bottom end of spiral case coaming plate 110, and in order to avoid interior recess, it is same on sound-absorbing element 200
Sample is by the way of recessed portion 210 is set, and so, the width both sides of sound-absorbing element 210 are symmetrical, easy to process, i.e.,
The recessed portion of both sides is symmetrical, while achievees the purpose that avoid wedge structure and oil leaking hole.
It should be pointed out that the concrete shape of sound-absorbing element 200 is unrestricted in the present embodiment, as long as not influencing noise reduction effect
Fruit and oil leaking hole 112 will not be blocked.
In the optional technical solution of the present embodiment, which further includes multiple buckles 300, each buckle 300
The outside of sound-absorbing element 200 is fastened on, and buckle 300 is fixedly connected on spiral case ontology 100.
In the optional technical solution of the present embodiment, 300 end of being buckled is fixed on spiral case by welding, screw or rivet
On side plate 120.
Preferably, in the present embodiment, sound-absorbing element 200 by several buckles 300 realizes and fixes that buckle 300 is using recessed
Shape structure, multiple buckles 300 can spiral-lock in the outside of sound-absorbing element 200, and 300 both ends of being buckled are connected to spiral case side
On plate 120, then buckle 300 is fixed on spiral case side plate 120 and spiral case coaming plate 110 by screw, alternatively, passing through welding
Buckle 300 is fixed on spiral case ontology 100 by mode, to realize the fixed installation to sound-absorbing element 200.
In addition to this, sound-absorbing element 200 can also utilize fixed bin 910 or baffle 920 to be fixed on spiral case coaming plate 110
On or fixation is directly realized by the way of gluing, specific fixed form can also be other, unrestricted herein.
In the optional technical solution of the present embodiment, which further includes baffle ring structure 400, baffle ring structure 400
It is fixedly mounted on the air inlet of spiral case ontology 100.
In the optional technical solution of the present embodiment, baffle ring structure 400 is set on the end face opposite with 100 air inlet of spiral case ontology
It is equipped with for the trough body structure 410 of 300 ends of embedded buckle.
In the present embodiment, in 100 air inlet of spiral case ontology setting baffle ring structure 400, can have by baffle ring structure 400
The impurity that imitating prevents volume larger enters the problem of being damaged inside spiral case ontology 100 to impeller 500.The baffle ring structure
400 are fixed by screws in the air inlet of spiral case ontology 100, opposite with impeller 500, however, the end position due to buckle 300
In on spiral case side plate 120, and with certain thickness, as a result, when install baffle ring structure 400, end face and spiral case side it
Between can there are certain gap, when flue gas is entered in gap, can make range hood generate vibration and air flowage friction,
It hits and generates abnormal sound.
To solve the problems, such as above-mentioned generation vibration, abnormal sound, in the present embodiment, multiple slots are provided in baffle ring structure 400
Body structure 410, so, when baffle ring structure 400 is mounted on spiral case side, 300 end of being buckled is accommodated in slot just
In body structure 410, the end face so as to be baffle ring structure 400 is bonded completely with spiral case side, makes hardly to deposit between the two
In gap, and then effectively alleviate above-mentioned air flowing and range hood vibration, frictional impact is made to lead to the problem of abnormal sound.
In the optional technical solution of the present embodiment, the through-hole structure 111 on spiral case coaming plate 110 is uniformly arranged, and through-hole knot
Structure 111 is obtained by the way of mould punching, etching or laser boring.
It is preferably that through-hole structure 111 is also in the present embodiment it should be noted that in order to preferably convenient for making die punching
Symmetry arrangement may be used, the concrete shape of through-hole structure 111 can be round, rectangular, bar shaped etc., and concrete shape is unrestricted
System.
In the optional technical solution of the present embodiment, fire retardant glue is coated on sound-absorbing element 200 on the face opposite with spiral case
220, in order to which preferably sound-absorbing element 200 is fixed on spiral case coaming plate 110, it is tentatively fixed first to be carried out using fire retardant glue 220
Then position is again realized sound-absorbing element 200 by other fixed structures and is fixed, such as buckle 300, fixed bin 910 or baffle 920
Deng.
A kind of range hood provided in this embodiment include above-mentioned noise reducing casing component, further include smoke exhauster housing 600,
The parts such as exhaust fume collecting hood component 700, motor 800, in the present embodiment in addition to the other structures of noise reducing casing component may be used with
Structure of the prior art is similar, herein without elaborating;The technical advantage and effect that the range hood is reached include
The technical advantage and effect that above-mentioned noise reducing casing component is reached, are no longer repeated herein.
Finally it should be noted that:The above various embodiments is only to illustrate the technical solution of the utility model rather than it is limited
System;Although the utility model is described in detail with reference to foregoing embodiments, those of ordinary skill in the art should
Understand:It can still modify to the technical solution recorded in foregoing embodiments either to which part or whole
Technical characteristic carries out equivalent replacement;And these modifications or replacement, this practicality that it does not separate the essence of the corresponding technical solution are new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of noise reducing casing component, including spiral case ontology, the spiral case ontology includes spiral case coaming plate and spiral case side plate, feature
It is, the side of the spiral case ontology lower end is set as wedge structure, and opposite with the wedge structure on the spiral case coaming plate
Side offer oil leaking hole;
Multiple through-hole structures are offered on the spiral case coaming plate, and sound-absorbing element, the suction are provided on the outside of the spiral case coaming plate
Tone part can cover the through-hole structure, and avoid the oil leaking hole and the wedge structure.
2. noise reducing casing component according to claim 1, which is characterized in that the sound-absorbing element uses strip structure,
And the width both sides of the sound-absorbing element are symmetrical.
3. noise reducing casing component according to claim 2, which is characterized in that the sound-absorbing element surround and is fitted in the snail
On shell coaming plate, and it is provided on the sound-absorbing element recessed portion for avoiding the wedge structure and the oil leaking hole.
4. noise reducing casing component according to claim 1, which is characterized in that further include multiple buckles, each buckle
The outside of the sound-absorbing element is fastened on, and the buckle is fixedly connected on the spiral case ontology.
5. noise reducing casing component according to claim 4, which is characterized in that the end of the buckle passes through welding, screw
Or the mode of rivet is fixed on the spiral case side plate.
6. noise reducing casing component according to claim 5, which is characterized in that further include baffle ring structure, the baffle ring structure
It is fixedly mounted on the air inlet of the spiral case ontology.
7. noise reducing casing component according to claim 6, which is characterized in that the baffle ring structure and the spiral case ontology into
The trough body structure for being embedded in the buckle end is provided on the opposite end face in air port.
8. noise reducing casing component according to claim 1, which is characterized in that the through-hole structure on the spiral case coaming plate is uniform
Arrangement, and the through-hole structure is obtained by the way of mould punching, etching or laser boring.
9. noise reducing casing component according to claim 1, which is characterized in that opposite with the spiral case on the sound-absorbing element
Face on be coated with fire retardant glue.
10. a kind of range hood, which is characterized in that including claim 1-9 any one of them noise reducing casing components.
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CN201721753759.2U CN207555703U (en) | 2017-12-15 | 2017-12-15 | Noise reducing casing component and range hood |
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CN201721753759.2U CN207555703U (en) | 2017-12-15 | 2017-12-15 | Noise reducing casing component and range hood |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108731065A (en) * | 2018-07-14 | 2018-11-02 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator with noise filtering function guiding subassembly |
CN108731081A (en) * | 2018-07-14 | 2018-11-02 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator with noise filtering function exhausting component |
CN108731066A (en) * | 2018-07-14 | 2018-11-02 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator that can reduce specific unifrequency noise |
CN108954435A (en) * | 2018-07-14 | 2018-12-07 | 佛山市云米电器科技有限公司 | A kind of band by the spiral camber noise filtering device of arrangement area distribution kitchen ventilator |
CN108954437A (en) * | 2018-07-14 | 2018-12-07 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator with multi-layer helical curved surface noise filtering device |
CN108954439A (en) * | 2018-07-14 | 2018-12-07 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator with spiral camber noise filtering device |
CN110479881A (en) * | 2019-08-06 | 2019-11-22 | 湖南创研智能装备有限公司 | A kind of spiral case rolling pressing edge covering special plane |
CN113738664A (en) * | 2021-09-15 | 2021-12-03 | 杭州帅丰科技有限公司 | Noise reduction fan |
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2017
- 2017-12-15 CN CN201721753759.2U patent/CN207555703U/en active Active
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108731065A (en) * | 2018-07-14 | 2018-11-02 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator with noise filtering function guiding subassembly |
CN108731081A (en) * | 2018-07-14 | 2018-11-02 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator with noise filtering function exhausting component |
CN108731066A (en) * | 2018-07-14 | 2018-11-02 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator that can reduce specific unifrequency noise |
CN108954435A (en) * | 2018-07-14 | 2018-12-07 | 佛山市云米电器科技有限公司 | A kind of band by the spiral camber noise filtering device of arrangement area distribution kitchen ventilator |
CN108954437A (en) * | 2018-07-14 | 2018-12-07 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator with multi-layer helical curved surface noise filtering device |
CN108954439A (en) * | 2018-07-14 | 2018-12-07 | 佛山市云米电器科技有限公司 | A kind of kitchen ventilator with spiral camber noise filtering device |
CN108731081B (en) * | 2018-07-14 | 2024-01-09 | 佛山市云米电器科技有限公司 | Range hood with noise filtering function exhaust component |
CN110479881A (en) * | 2019-08-06 | 2019-11-22 | 湖南创研智能装备有限公司 | A kind of spiral case rolling pressing edge covering special plane |
CN113738664A (en) * | 2021-09-15 | 2021-12-03 | 杭州帅丰科技有限公司 | Noise reduction fan |
CN113738664B (en) * | 2021-09-15 | 2024-04-02 | 杭州帅丰科技有限公司 | Noise reduction fan |
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