CN110186095A - A kind of dual injection helps the range hood of suction - Google Patents
A kind of dual injection helps the range hood of suction Download PDFInfo
- Publication number
- CN110186095A CN110186095A CN201910558678.4A CN201910558678A CN110186095A CN 110186095 A CN110186095 A CN 110186095A CN 201910558678 A CN201910558678 A CN 201910558678A CN 110186095 A CN110186095 A CN 110186095A
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- China
- Prior art keywords
- air inlet
- kitchen ventilator
- impeller
- ejector pipe
- air
- 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.)
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- 238000002347 injection Methods 0.000 title claims abstract description 21
- 239000007924 injection Substances 0.000 title claims abstract description 21
- 230000009977 dual effect Effects 0.000 title claims abstract description 9
- 230000006698 induction Effects 0.000 claims abstract description 32
- 239000003517 fume Substances 0.000 claims abstract description 8
- 239000000779 smoke Substances 0.000 claims description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 37
- 239000007789 gas Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 8
- 235000019504 cigarettes Nutrition 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Ventilation (AREA)
Abstract
The invention discloses the range hood that a kind of dual injection helps suction, including kitchen ventilator ontology, the exhaust fume collecting hood being mounted below the kitchen ventilator ontology, the first induction apparatus and the second induction apparatus；Air inlet is opened up on the exhaust fume collecting hood, air outlet is opened up above the kitchen ventilator ontology, and the air inlet is provided with first induction apparatus, second induction apparatus is provided at the air outlet；The present invention is by being arranged dual ejecting port, the air quantity of Lai Zengjia kitchen ventilator.
Description
Technical field
The present invention relates to exhauster for removing kitchen fumes field, especially a kind of dual injection helps the range hood of suction.
Background technique
Kitchen ventilator has become one of machine for kitchen use equipment indispensable in Modern Family's life, and kitchen ventilator was being cooked
It is many convenient that Cheng Zhongwei user provides, but with the progress of science and technology, requirement of the people for kitchen ventilator is continuously improved.It is existing
There is the kitchen ventilator in technology to generally use stretching smoke collecting chamber, as shown in Figure 1, simple rectangular air inlet is set at smoke collecting chamber,
The oil smoke that culinary art generates enters the air inlet of impeller, in this process, the air quantity of part by rectangular air inlet and smoke collecting chamber
It can be stopped by the spiral case around the air inlet of impeller, generate windage, be unfavorable for the promotion of kitchen ventilator air quantity；Also, it was cooking
The oil smoke generated in journey will not be absorbed by kitchen ventilator completely, always had part oil smoke and spilt into kitchen space, influence indoor ring
Border reduces quality of the life.Above two o'clock point defect in the prior art can all influence the effect of kitchen ventilator fume-exhausting.
Summary of the invention
In view of the problems of the existing technology, the purpose of the present invention is to provide the fume-exhaustings that a kind of dual injection helps suction
Machine, by the way that dual ejecting port, the air quantity of Lai Zengjia kitchen ventilator is arranged.
To achieve the above object, technical solution of the present invention is as follows:
A kind of dual injection helps the range hood of suction, including kitchen ventilator ontology, the collection cigarette being mounted below the kitchen ventilator ontology
Cover, the first induction apparatus and the second induction apparatus；Air inlet is opened up on the exhaust fume collecting hood, is opened above the kitchen ventilator ontology
Air port is set out, the air inlet is provided with first induction apparatus, and the second injection dress is provided at the air outlet
It sets.
Further, first induction apparatus includes the air inlet of water conservancy diversion ejector pipe and kitchen ventilator impeller, the water conservancy diversion
Ejector pipe includes the first air inlet being arranged in the smoke collecting chamber, the second air inlet before the impeller and connection is arranged in
The annular sidewall of the two is provided with gap, second air inlet between second air inlet and the air inlet of the impeller
Radial dimension be less than first air inlet radial dimension, while the radial dimension of second air inlet be less than the leaf
The radial dimension of the air inlet of wheel；The air outlet is reducing pipe, and the radial dimension of outlet is less than the radial dimension of entrance, institute
Stating the second induction apparatus includes ejector pipe, and the ejector pipe is arranged on the air outlet, and the ejector pipe includes ejecting port and draws
Penetrate section, the radial dimension of the ejecting port is greater than the radial dimension of the air outlet, the ejecting port of the ejector pipe and it is described go out
Gap is provided between port.
Further, interval, second air inlet are provided between second air inlet and the air inlet of the impeller
Place plane is separated from each other with plane where the air inlet of the impeller.
Further, second air inlet is nested in the air inlet of the impeller, second air inlet and the leaf
Gap is provided between the air inlet of wheel.
Further, several auxiliary air inlet openings are provided with around first air inlet in the smoke collecting chamber, it is described auxiliary
Air inlet is helped to be connected to the extraneous gap being arranged between extraneous and described second air inlet and the air inlet of the impeller.
Further, the air outlet is nested in the ejector pipe.
Further, the ratio of the diameter of the air inlet of the diameter and impeller of second air inlet 0.5-0.9 it
Between.
Further, the ratio of the diameter of the ejecting port of the diameter of the air outlet and the ejector pipe is between 0.5-0.9.
Further, the bus of the ejector pipe is circular arc line or straight line.
Further, the bus of the water conservancy diversion ejector pipe is circular arc line or straight line.
The present invention utilizes the literary mound of utilization by the way that an induction apparatus is respectively arranged at the air inlet and air outlet of range hood
In pipe working principle so that sucking kitchen ventilator in oil smoke fluid flow rate increase, shell of the oil smoke from range hood can be prevented
Body is spilt into kitchen environment in gap, while improving the smoke absorption effect of range hood.
In optimal technical scheme of the present invention, a kind of water conservancy diversion ejector pipe is set before the impeller air inlet of range hood, it is this
Similar to bell-mouthed structure when kitchen ventilator works, be conducive to direct fluid into impeller, it is former using the work of Venturi tube
Reason, the second air inlet fluid flow rate be greater than the first air inlet fluid flow rate so that oil smoke with faster speed into
Enter in impeller, prevent oil smoke flow velocity slower, is leaked in the gap between air inlet and impeller air inlet.
Ejector pipe is set at air outlet for kitchen ventilator, also with the injection principle of Venturi tube, in oil smoke by blower
When export, by the air outlet of undergauge, fluid flow rate increases, and negative pressuren zone is formed at the ejecting port of ejector pipe, by ejector pipe week
The air enclosed equally sucks in ejector pipe, and as oil smoke enters flue, the part oil smoke of loss in such kitchen will be with
Air flows into flue, improves the effect of kitchen ventilator fume-exhausting.
In optimal technical scheme of the present invention, when the fluid of the second air inlet is entered in impeller with a faster flow velocity
When, negative pressuren zone is formed, the oil smoke in kitchen ventilator shell can enter in impeller with high-velocity fluid, be then discharged out, enhance suction
The efficiency of oil smoke reduces deposition of the oil smoke in kitchen ventilator shell, mitigates the workload of kitchen ventilator cleaning.
Detailed description of the invention
Fig. 1 is the air inlet schematic diagram of prior art range hood；
Fig. 2 is schematic structural view of the invention one；
Fig. 3 is schematic structural view of the invention two；
Fig. 4 is scheme of installation of the present invention；
Fig. 5 is the ejector pipe schematic diagram of the embodiment of the present invention three；
Fig. 6 is the auxiliary air inlet opening schematic diagram of the embodiment of the present invention three.
Specific embodiment
In the description of the present invention, it is to be understood that, term " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ",
The orientation of the instructions such as "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" or
Positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In the description of the present invention, the meaning of " plurality " is two or more, unless otherwise
Clear specific restriction.
To clearly demonstrate design philosophy of the invention, below with reference to example, the present invention will be described.
A kind of range hood of the present invention, including kitchen ventilator ontology, the exhaust fume collecting hood being mounted below the kitchen ventilator ontology, the
One induction apparatus and the second induction apparatus；Air inlet is opened up on the exhaust fume collecting hood, is opened up out above the kitchen ventilator ontology
Air port, the air inlet are provided with first induction apparatus, second induction apparatus are provided at the air outlet.
In order to which what is be more clear is illustrated the technical solution in the present invention, carried out in the form of specific embodiment below
Explanation.
Embodiment one
As shown in Figure 2 and Figure 3, a kind of range hood of the present invention, including kitchen ventilator ontology 1, smoke collecting chamber 2, the first induction apparatus and
Second induction apparatus；First induction apparatus includes the air inlet of water conservancy diversion ejector pipe 3 and range hood impeller 5, the smoke collecting chamber 2
Water conservancy diversion ejector pipe 3 is provided between impeller 5, the water conservancy diversion ejector pipe 3 includes the first air inlet being arranged in the smoke collecting chamber 2
Mouthful 3-1, the annular sidewall that the second air inlet 3-2 before the impeller 5 and both connections is arranged in, the second air inlet 3-2 are adjacent
Before closely the air inlet of the impeller 5 is set, diameter of the radial dimension less than the first air inlet 3-1 of the second air inlet 3-2
To size, while the radial dimension of the second air inlet 3-2 is less than the radial dimension of the air inlet of impeller 5, along described first into
The air inlet of water conservancy diversion ejector pipe 3 described in air port 3-1 to the direction of the second air inlet 3-2 and impeller 5 forms ejection structure；Institute
Stating kitchen ventilator ontology 1 includes blower 6, and air outlet 7 is arranged on the blower 6, and the air outlet 7 is reducing pipe, the diameter of outlet
It is less than the radial dimension of entrance to size, second induction apparatus includes ejector pipe 8, is drawn described in setting on the air outlet 7
Pipe 8 is penetrated, the ejector pipe 8 includes ejecting port interconnected and injection section, and the diameter of the ejecting port is greater than the ejector pipe
Diameter, the ejecting port of the ejector pipe is sleeved on the air outlet, and the ejecting port and the air outlet are in radial direction
On there are gaps.
In above-mentioned example, the present invention is this to be similar to loudspeaker by the way that a kind of water conservancy diversion ejector pipe 3 is arranged on side-suction type range hood
The structure of mouth is conducive to direct fluid into impeller 5 when kitchen ventilator works, using the working principle of Venturi tube, the
Fluid flow rate at two air inlet 3-2 is greater than the fluid flow rate at the first air inlet 3-1, so that oil smoke is entered with faster speed
It in impeller 5, prevents oil smoke flow velocity slower, is leaked in the gap between air inlet and the air inlet of impeller 5.
Ejector pipe 8 is set at kitchen ventilator air outlet 7, also with the injection principle of Venturi tube, in oil smoke by blower
When export, by the air outlet of undergauge, fluid flow rate increases, is formed at the ejecting port of ejector pipe 8 and the gap of air outlet negative
Pressure area equally sucks the air around ejector pipe 8 in ejector pipe 8, as oil smoke enters flue, in such kitchen loss that
Part oil smoke will flowing into flue with air, improve the effect of kitchen ventilator fume-exhausting.
Embodiment two
As shown in Figure 2 and Figure 3, a kind of kitchen ventilator of the present invention, including kitchen ventilator ontology 1, smoke collecting chamber 2, impeller 5, the first induction apparatus
And second induction apparatus；First induction apparatus includes the air inlet of water conservancy diversion ejector pipe 3 and range hood impeller 5, the collection
It is provided with water conservancy diversion ejector pipe 3 between smoke chamber 2 and impeller 5, the water conservancy diversion ejector pipe 3 includes the be arranged in the smoke collecting chamber 2
One air inlet 3-1, the annular sidewall that both the second air inlet 3-2 before the impeller 5 and connection are set, the second air inlet
3-2 is before being arranged in the air inlet of the impeller 5, and the radial dimension of the second air inlet 3-2 is less than the first air inlet 3-1
Radial dimension, along water conservancy diversion ejector pipe 3 described in the first air inlet 3-1 to the direction of the second air inlet 3-2 formed
Ejection structure；The kitchen ventilator ontology 1 includes blower 6, and air outlet 7 is arranged on the blower 6, and the air outlet 7 is reducing pipe,
Its radial dimension exported is less than the radial dimension of entrance, and second induction apparatus includes ejector pipe 8, on the air outlet 7
The ejector pipe 8 is set, and the ejector pipe 8 includes ejecting port interconnected and injection section, and the diameter of the ejecting port is greater than
The diameter of the ejector pipe, the ejecting port of the ejector pipe are sleeved on the air outlet, the ejecting port and the air outlet
There is gap in radial directions.
As shown in Fig. 2, it is provided with interval between the second air inlet 3-2 and the air inlet of impeller 5, second air inlet 3-2
Place plane is separated from each other with plane where the air inlet of impeller 5.
In above-mentioned example, the first air inlet 3-1 and the second air inlet 3-2 are circle, meanwhile, the axis of the two is identical,
Water conservancy diversion ejector pipe 3 is fixed on the first air inlet 3-1 on the panel in smoke collecting chamber 2 by screw, keeps water conservancy diversion ejector pipe 3 fixed
It is arranged before impeller 5.In fume-exhausting, a large amount of oil smoke enter in smoke collecting chamber 2 kitchen ventilator, then enter water conservancy diversion ejector pipe 3, with
The guide functions of annular sidewall enter in the air inlet of impeller 5 from the second air inlet 3-2, at the same time, stitch from kitchen ventilator shell
The oil smoke that gap spills into kitchen ventilator inside cavity is flowed by fluid high-speed in the negative pressuren zone intake impeller 5 to be formed, and improves oil smoke
The fume-exhausting efficiency of machine entirety reduces deposition of the oil smoke in the shell of kitchen ventilator ontology 1, mitigates the work of kitchen ventilator cleaning
Amount.
As shown in figure 4, one auxiliary air inlet opening 4 of each setting in the left and right of the first air inlet 3-1 is auxiliary in kitchen ventilator smoke collecting chamber
Help air inlet 4 be fence type, the auxiliary air inlet opening 4 be arranged on 1 shell of kitchen ventilator ontology, the auxiliary air inlet opening 4 not with impeller 5
Connection, the gap being arranged between kitchen environment space and the second air inlet 3-2 and the air inlet of the impeller 5 is connected to, in this way
Setting so that kitchen ventilator during the work time, the shape of water conservancy diversion ejector pipe 3 utilizes the working principle of Venturi tube, so that impeller
Negative pressuren zone is generated at 5 air inlet, and suction is generated at auxiliary air inlet opening 4 and is increased in the case where not increasing power of fan
The range of kitchen ventilator fume-exhausting improves the effect of fume-exhausting.
As shown in Fig. 2, the bus of the annular sidewall on water conservancy diversion ejector pipe 3 is camber line, which is arc-shaped concave, this
Kind arc-shaped concave forms the guide face of water conservancy diversion ejector pipe 3.The water conservancy diversion ejector pipe 3 is an integral molding structure, in water conservancy diversion ejector pipe 3
The ratio of the diameter of the air inlet of the diameter and impeller 5 of two air inlet 3-2 is between 0.5-0.9.First air inlet 3-1 and second
Air inlet 3-2 is circle, meanwhile, the axis of the two is identical, and the setting of water conservancy diversion ejector pipe 3 is in 5 front of impeller, the second air inlet
Interval is provided between 3-2 and impeller 5.
As shown in figure 3, the both ends of ejector pipe 8 are column, intermediate injection pipeline section is column section, the radial direction of intermediate injection pipeline section
Size is less than the radial dimension of both ends port.Interval, 8 upper end of ejector pipe are provided between the air outlet 7 and ejector pipe 8 of kitchen ventilator
Mouth is connected to by hose with flue, is provided with check (non-return) valve in air outlet 7, is prevented the oil smoke in common flue from returning into kitchen.
The diameter of air outlet 7 is same as the ratio of the diameter of the ejecting port of ejector pipe 8 between 0.5-0.9.
In above-mentioned example, in fume-exhausting, a large amount of oil smoke enter in smoke collecting chamber 2 kitchen ventilator, into water conservancy diversion ejector pipe 3, warp
After ejector action twice, increase kitchen ventilator holds together cigarette district domain, improves the effect of fume-exhausting, meanwhile, when in water conservancy diversion ejector pipe 3
The diameter of second air inlet 3-2 and the ratio of the diameter of the air inlet of impeller 5 and the diameter of air outlet 7 and drawing for ejector pipe 8
The resistance of air outlet is unfavorable for greatly very much fume-exhausting when the ratio of the diameter of loophole is less than 0.5, when ratio is greater than 0.9, the effect of injection
Fruit is unobvious, and the fume-exhausting efficiency of kitchen ventilator not will increase.
Embodiment three
As shown in Figure 2 and Figure 3, a kind of kitchen ventilator of the present invention, including kitchen ventilator ontology 1, smoke collecting chamber 2, impeller 5, the first induction apparatus
And second induction apparatus；First induction apparatus includes the air inlet of water conservancy diversion ejector pipe 3 and range hood impeller 5, the collection
It is provided with water conservancy diversion ejector pipe 3 between smoke chamber 2 and impeller 5, the water conservancy diversion ejector pipe 3 includes the be arranged in the smoke collecting chamber 2
One air inlet 3-1, the annular sidewall that both the second air inlet 3-2 before the impeller 5 and connection are set, the second air inlet
3-2 is before being arranged in the air inlet of the impeller 5, and the radial dimension of the second air inlet 3-2 is less than the first air inlet 3-1
Radial dimension, along water conservancy diversion ejector pipe 3 described in the first air inlet 3-1 to the direction of the second air inlet 3-2 formed
Ejection structure；The kitchen ventilator ontology 1 includes blower 6, and air outlet 7 is arranged on the blower 6, and the air outlet 7 is reducing pipe,
Its radial dimension exported is less than the radial dimension of entrance, and second induction apparatus includes ejector pipe 8, on the air outlet 7
The ejector pipe 8 is set, and the ejector pipe 8 includes ejecting port interconnected and injection section, and the diameter of the ejecting port is greater than
The diameter of the ejector pipe, the ejecting port of the ejector pipe are sleeved on the air outlet, the ejecting port and the air outlet
There is gap in radial directions.
In the present embodiment, remaining technical characteristic is not different with above-described embodiment, is characterized in that, the second air inlet 3-
2 are nested in the air inlet of the impeller 5, between being provided between the second air inlet 3-2 and the air inlet of the impeller 5
Gap.In the example, the oil smoke for the inside cavity for spilling into kitchen ventilator ontology 1 from kitchen ventilator shell gap flows shape by fluid high-speed
At negative pressuren zone intake impeller 5 in, improve the fume-exhausting efficiency of kitchen ventilator entirety, reduce oil smoke in the shell of kitchen ventilator ontology 1
Deposition in body mitigates the workload of kitchen ventilator cleaning.
The bus of annular sidewall is straight line, the cross section of the water conservancy diversion ejector pipe 3 be it is trapezoidal, equally, which can
To play the role of accelerating fluid flow rate, so that the speed that oil smoke enters the air inlet of impeller 5 is accelerated, fume-exhausting efficiency is promoted,
In addition, first air inlet 3-1 is rectangle in water conservancy diversion ejector pipe 3 in the present embodiment, the second air inlet 3-2 is circle.
The bus of the injection section of ejector pipe 8 is camber line in the present embodiment, and referring to Fig. 5, the air outlet 7 of kitchen ventilator ontology 1 is embedding
It covers in the ejecting port of ejector pipe 8.Referring to Fig. 6, be respectively set at left and right sides of the first water conservancy diversion ejector pipe 3-1 one assist into
Air port 4, meanwhile, two auxiliary air inlet openings 4 are set on the shell of the lower section kitchen ventilator ontology 1 of the first water conservancy diversion ejector pipe 3-1.
In above-mentioned example, multiple auxiliary air inlet openings are set, further increase kitchen ventilator holds together cigarette range, improves oil suction
The effect of cigarette.
It should be noted that some of which structure can have different selections other than the above-mentioned specific example provided.
Such as, the shape of the first air inlet in water conservancy diversion ejector pipe can be there are many form, such as above-mentioned circle, rectangle or ellipse；
The shape of water conservancy diversion ejector pipe can also there are many, meet Venturi tube injection principle；There are many shape of ejector pipe is same,
Meet Venturi tube injection principle；Etc., and these are all those skilled in the art on the basis for understanding inventive concept
On can be made based on its basic skills, therefore no longer enumerate herein.
Finally, it will be appreciated that the principle that embodiment of above is intended to be merely illustrative of the present and the example that uses
Property embodiment, however the present invention is not limited thereto.For those of ordinary skills, do not depart from it is of the invention
In the case where principle and essence, various changes and modifications can be made therein, these variations and modifications are also considered as protection model of the invention
It encloses.
Claims (10)
1. the range hood that a kind of dual injection helps suction, which is characterized in that including kitchen ventilator ontology, be mounted on the kitchen ventilator sheet
Exhaust fume collecting hood below body, the first induction apparatus and the second induction apparatus；Air inlet, the kitchen ventilator are opened up on the exhaust fume collecting hood
Air outlet is opened up above ontology, the air inlet is provided with first induction apparatus, is arranged at the air outlet
State the second induction apparatus.
2. kitchen ventilator as described in claim 1, which is characterized in that first induction apparatus includes water conservancy diversion ejector pipe and oil
The air inlet of smoke machine impeller, the water conservancy diversion ejector pipe include the first air inlet being arranged in the smoke collecting chamber, are arranged described
The annular sidewall of the second air inlet and both connections before impeller, between second air inlet and the air inlet of the impeller
It is provided with gap, the radial dimension of second air inlet is less than the radial dimension of first air inlet, while described second
The radial dimension of air inlet is less than the radial dimension of the air inlet of the impeller；The air outlet is reducing pipe, the diameter of outlet
It is less than the radial dimension of entrance to size, second induction apparatus includes ejector pipe, and the injection is arranged on the air outlet
Pipe, the ejector pipe include ejecting port and injection section, and the radial dimension of the ejecting port is greater than the radial dimension of the air outlet,
Gap is provided between the ejecting port of the ejector pipe and the gas outlet.
3. kitchen ventilator as claimed in claim 2, which is characterized in that between second air inlet and the air inlet of the impeller
It is provided with interval, plane where second air inlet is separated from each other with plane where the air inlet of the impeller.
4. kitchen ventilator as claimed in claim 2, which is characterized in that second air inlet is nested in the air inlet of the impeller
It is interior, gap is provided between second air inlet and the air inlet of the impeller.
5. kitchen ventilator as claimed in claim 2, which is characterized in that be arranged around first air inlet in the smoke collecting chamber
There are several auxiliary air inlet openings, the auxiliary air inlet opening will be between extraneous and described second air inlet and the air inlet of the impeller
The gap of setting is connected to.
6. kitchen ventilator as claimed in claim 2, which is characterized in that the air outlet is nested in the ejecting port of the ejector pipe
It is interior.
7. kitchen ventilator as claimed in claim 2, which is characterized in that the air draught of the diameter and the impeller of second air inlet
The ratio of the diameter of mouth is between 0.5-0.9.
8. kitchen ventilator as claimed in claim 2, which is characterized in that the ejecting port of the diameter of the air outlet and the ejector pipe
Diameter ratio between 0.5-0.9.
9. kitchen ventilator as claimed in claim 2, which is characterized in that the bus of the ejector pipe is circular arc line or angled straight lines.
10. kitchen ventilator as claimed in claim 2, which is characterized in that the bus of the water conservancy diversion ejector pipe is circular arc line or straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910558678.4A CN110186095B (en) | 2019-06-26 | 2019-06-26 | Double-injection auxiliary-sucking range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910558678.4A CN110186095B (en) | 2019-06-26 | 2019-06-26 | Double-injection auxiliary-sucking range hood |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110186095A true CN110186095A (en) | 2019-08-30 |
| CN110186095B CN110186095B (en) | 2024-07-19 |
Family
ID=67723442
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910558678.4A Active CN110186095B (en) | 2019-06-26 | 2019-06-26 | Double-injection auxiliary-sucking range hood |
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| CN (1) | CN110186095B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156559A (en) * | 2020-02-27 | 2020-05-15 | 宁波方太厨具有限公司 | Range hood and control method thereof |
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| CN111156559B (en) * | 2020-02-27 | 2022-02-08 | 宁波方太厨具有限公司 | Range hood and control method thereof |
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