CN106640763A - Air inlet ring and centrifugal fan comprising same - Google Patents
Air inlet ring and centrifugal fan comprising same Download PDFInfo
- Publication number
- CN106640763A CN106640763A CN201610914859.2A CN201610914859A CN106640763A CN 106640763 A CN106640763 A CN 106640763A CN 201610914859 A CN201610914859 A CN 201610914859A CN 106640763 A CN106640763 A CN 106640763A
- Authority
- CN
- China
- Prior art keywords
- air intake
- air inlet
- intake mouth
- mouth circle
- net cylinder
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/663—Sound attenuation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
An air inlet ring comprises an air inlet ring body provided with an air inlet and is characterized in that a circular-truncated-cone-shaped net barrel is arranged at the back of the air inlet ring body, the diameter of the net barrel is gradually decreased in the air inlet direction, and the large diameter end of the net barrel is the open end and is connected to the inner periphery of the air inlet ring body. The invention further discloses a centrifugal fan comprising the air inlet ring. The air inlet ring is installed at an air inlet of the centrifugal fan. The net barrel of the air inlet ring stretches into an impeller of the fan, and circumferential gaps are reserved between the net barrel and blades of the impeller. The air inlet ring and the centrifugal fan comprising the same have the advantages that the air inlet ring adopts the circular-truncated-cone-shaped net barrel which can stretch into the impeller, then when the air inlet ring and the impeller move relatively, the interference between the net barrel and the inner diameter of the blades of the impeller can be prevented, flowing of airflow rotating into the impeller from the air inlet can be improved through the net barrel, and thus noise is reduced; and meanwhile, oil fume makes contact with the net barrel and is blocked, so that the oil filtering effect of the centrifugal fan is beneficially improved.
Description
Technical field
The present invention relates to a kind of blower fan, more particularly, to a kind of air intake mouth circle and the centrifugal blower using the air intake mouth circle.
Background technology
In fume-exhausting, air-flow needs to be entered after 90 ° are turned round European range hood into after air intake mouth circle
Blower interior, afterwards because the centrifugal action of blower fan needs to turn round through 90 ° into impeller leaf road again, also, near impeller
The neighbouring position of front end circle, due to the impact that air-flow turning radius are less and blower fan is prewhirled, the air turbulence into impeller is held
It is also easy to produce vortex.By the flow velocity of analysis Ye Daonei at Ye Daonei near wheel nose circle and impeller axial direction middle plane
Cloud atlas understands that the vortex of Ye Daonei is bright at the swirl ratio impeller axial direction middle plane of the Ye Daonei near wheel nose circle
Show, especially the bottom of air intake mouth circle, vortex becomes apparent from.Disorderly air-flow not only results in flow loss, can also produce gas
Dynamic noise.In addition, the rectification not only to air-flow of existing air intake mouth circle, noise reduction are poor, and not work(with oil strain
Energy.In sum, need to be further improved to existing air intake mouth circle and using the centrifugal fan structure of the air intake mouth circle.
The content of the invention
First technical problem to be solved by this invention is to be directed to above-mentioned state of the art, there is provided one kind can be combed effectively
Qi-regulating stream, beneficial to the air intake mouth circle of noise reduction and oil strain.
Above-mentioned state of the art is directed to during second technical problem to be solved by this invention, there is provided one kind can lift oil
Fat separating degree, while reducing the centrifugal blower of fan noise.
The present invention solve technical scheme that above-mentioned first technical problem adopted for：The air intake mouth circle, including have into
The air intake mouth circle body in air port, it is characterised in that：Round table-like net cylinder, the net are provided with the back of the air intake mouth circle body
The bore of cylinder is gradually reduced along air intake direction, and the heavy caliber end of the net cylinder is openend and is connected to the air intake mouth circle sheet
On the inner peripheral of body.
In order to further improve oil strain performance, it is provided with for closing small-caliber end port in the small-caliber end of the net cylinder
Mesh floor, the back side central authorities of the mesh floor form cavity.So, net tube end plate can after the small-caliber end of net cylinder is closed
To reduce noise, while guaranteeing perforate in order to avoid wind loss, and base plate back side central authorities are made after inner sunken face, can adapt to leaf
The gradient stretching of wheel mid-game, enables air-flow more swimmingly to import leaf road, while mesh surface product increase also further increases filter
Oiliness energy.
In order to improve the noise reduction and oil strain performance of air intake mouth circle, the cavity is segment-shaped cavity, the segment-shaped
Ratio between the basal diameter D1 of cavity and the air inlet diameter D2 of air intake mouth circle be 0.3≤D1/D2≤0.6, the cavity
Axial length L on air intake direction of hollow depth H and net cylinder between ratio be 0.3≤H/L≤0.6.
The axial length of net cylinder has multiple choices, it is preferable that the value of the axial length L of the net cylinder be 30mm≤L≤
70mm。
Further preferably, the mesh aperture of the net cylinder and mesh floor is 2～5mm.Mesh can for square opening or
Shape changeable hole either circular hole or other shapes.
Used as a kind of preferred version, the net cylinder and mesh floor adopt perforated panel, the percent opening of the perforated panel
35%～50%.
Used as another kind of preferred version, described net cylinder is the net cylinder that iron wire is constituted, and described mesh floor is iron wire structure
Into web plate, a diameter of 0.3～1mm of the iron wire.
The present invention solve technical scheme that above-mentioned second technical problem adopted for：The employing has above-mentioned air intake mouth circle
Centrifugal blower, includes spiral case and impeller, and the air intake mouth circle is arranged on the air inlet of the centrifugal blower, the air intake mouth circle sheet
Body is arranged on the front side board of spiral case, it is characterised in that：The net cylinder stretches into the inside of the impeller, and the leaf of net cylinder and impeller
Circular gap is left between piece.
In order that the air-flow into air intake mouth circle can more swimmingly import leaf road, described impeller includes mid-game, described
Mid-game front center is provided with forwardly convex round platform, and the side of the round platform forms the stretching inclined-plane of mid-game, the cavity entirety
Located at the front side of the round platform, also, the side wall of the cavity is located at the drawing of the gradient at cavity openend and correspondence position
The gradient for stretching inclined-plane is consistent.
In order to make full use of impeller internal space, electric motor end cap is provided with front side of the mid-game, the electric motor end cap is located at
In described cavity.
Compared with prior art, it is an advantage of the current invention that：The air intake mouth circle is using round table-like and can stretch into impeller internal
Net cylinder after, when air intake mouth circle and impeller part produce relative motion, can prevent net cylinder from producing interference with impeller blade internal diameter, and
Net cylinder can improve the flowing that air inlet proceeds to impeller air-flow, so as to reduce noise, meanwhile, oil smoke is contacted with net cylinder and blocked
Cut, so as to be conducive to improving the oil filter effect of centrifugal blower.
Description of the drawings
Fig. 1 is the structural representation of the air intake mouth circle of the embodiment of the present invention；
Fig. 2 is the structural representation of another angle of the air intake mouth circle of the embodiment of the present invention；
Fig. 3 is the front view of air intake mouth circle shown in Fig. 1；
Fig. 4 is the top view of air intake mouth circle shown in Fig. 1；
Fig. 5 is the upward view of air intake mouth circle shown in Fig. 1；
Fig. 6 is the structural representation of the centrifugal blower of the embodiment of the present invention；
Fig. 7 is the sectional view of centrifugal blower shown in Fig. 6.
Specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figures 1 to 5, the air intake mouth circle in the present embodiment includes the air intake mouth circle body 1 with air inlet, air intake
Mouth circle body 1 is provided with round table-like net cylinder 2 in annular shape at the back of air intake mouth circle body 1, and the bore of net cylinder 2 is along air intake
Direction is gradually reduced, and the heavy caliber end of net cylinder 2 is openend and on the inner peripheral of air intake mouth circle body 1, and net cylinder 2 can be with
Welding is glued on air intake mouth circle body 1, and the small-caliber end of net cylinder 2 is provided with mesh floor 3 to form blind end, netted bottom
Plate 3 can be welded or be glued on net cylinder 2, it is also possible to be integrally formed with net cylinder 2.
In the present embodiment, the cavity 31 of segment-shaped is formed in the back side central authorities of mesh floor 3, also, the segment-shaped is recessed
Ratio between the basal diameter D1 in chamber 31 and the air inlet diameter D2 of air intake mouth circle is 0.3≤D1/D2≤0.6, and segment-shaped is recessed
Ratio between axial length Ls of the hollow depth H and net cylinder 2 in chamber 31 on air inlet direction is 0.3≤H/L≤0.6.Separately
Outward, the value of the axial length L of net cylinder 2 for 30mm≤L≤70mm, net cylinder 2 and mesh floor 3 mesh a aperture be 2～
5mm, mesh can be square opening either shape changeable hole either circular hole or other shapes.Also, net cylinder 2 and mesh floor 3 are equal
Using perforated panel, and percent opening 35%～50%.Experiments verify that, after above-mentioned ratio relation and numerical value, noise reduction and oil strain
Effect is more preferable.
As shown in Figure 6 and Figure 7, the centrifugal blower in the present embodiment includes impeller 5 of the spiral case 4 inside spiral case, air intake
Mouth circle is arranged on the air inlet of centrifugal blower, and air intake mouth circle body 1 is arranged on the front side board 41 of spiral case 4, the net of air intake mouth circle
Cylinder 2 is stretched near the front end circle inside impeller 5, also, leaves circular gap between the blade 51 of net cylinder 2 and impeller 5.
The structure of mid-game 52 of the impeller 5 in the present embodiment is identical with existing impeller central disc, i.e. the front side of mid-game 52 is provided with
Forwardly convex round platform 521, the rear end of round platform 521 is big end, and the side of round platform 521 forms the stretching inclined-plane of mid-game 52, mid-game
The not reinflated description of concrete structure.After air intake mouth circle is installed, the overall front side located at round platform 521 of cavity 31, also,
It is consistent with the gradient on the stretching inclined-plane of correspondence position that the side wall of cavity 31 is located at the gradient at cavity openend.Cavity 31
Adopt after above-mentioned adapter structure with the stretching inclined-plane of mid-game 52, the air-flow for entering air intake mouth circle can be enable more swimmingly to import leaf
The leaf road of wheel 5.Meanwhile, cavity 31 is just just on the electric motor end cap 53 of impeller central disc 52, also, electric motor end cap 53 just can be with
The inside into cavity 31 is hidden, so as to make full use of the space inside impeller 5.
When centrifugal blower works, impeller 5 is rotated, and makes to produce relative motion, net cylinder 2 between the net cylinder 2 of air intake mouth circle and impeller 5
Can improve from air inlet and proceed to the air current flow of impeller internal, so as to reduce noise, especially with round table-like net cylinder 2
Afterwards, it is more conducive to prevent net cylinder 2 from producing interference with the internal diameter of 5 blade of impeller 51, and mesh floor 3 can also be kept away while noise is reduced
Exempt from wind loss.Meanwhile, it is intercepted by the contact with net cylinder 2 and mesh floor 3 from the oil smoke of air inlet suction, from
And improve the oil filter effect of range hood.
The foregoing is only the preferred embodiment of the present invention, it is noted that for those of ordinary skills,
Under the premise of the principle without departing from the present invention, various remodeling or improvement, such as net cylinder and mesh floor can be carried out to the present invention
Can have iron wire to constitute, the diameter of iron wire can be limited between 0.3～1mm, cavity in addition to the cavity using segment-shaped,
The curved cavity that the gradient stretching of other and mid-game can also be adopted to be adapted, these be regarded as protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of air intake mouth circle, including air intake mouth circle body (1) with air inlet, it is characterised in that：In the air intake mouth circle
The back of body (1) is provided with round table-like net cylinder (2), and the bore of the net cylinder (2) is gradually reduced along air intake direction, the net
The heavy caliber end of cylinder (2) is openend and is connected on the inner peripheral of the air intake mouth circle body (1).
2. air intake mouth circle according to claim 1, it is characterised in that：The small-caliber end of the net cylinder (2) be provided with for
The mesh floor (3) of closing small-caliber end port, the back side central authorities of the mesh floor (3) form cavity (31).
3. air intake mouth circle according to claim 2, it is characterised in that：The cavity (31) is segment-shaped cavity, the ball
Ratio between the basal diameter D1 of scarce shape cavity and the air inlet diameter D2 of air intake mouth circle is 0.3≤D1/D2≤0.6, described
Ratio between axial length Ls of the hollow depth H and net cylinder (2) of segment-shaped cavity on air intake direction be 0.3≤H/L≤
0.6。
4. air intake mouth circle according to claim 3, it is characterised in that：The value of the axial length L of the net cylinder (2) is
30mm≤L≤70mm。
5. air intake mouth circle according to claim 2, it is characterised in that：The net cylinder (2) and the mesh of mesh floor (3)
A () aperture is 2～5mm.
6. air intake mouth circle according to claim 2, it is characterised in that：The net cylinder (2) and mesh floor (3) are adopted and opened
Orifice plate, the percent opening 35%～50% of the perforated panel.
7. air intake mouth circle according to claim 2, it is characterised in that：The net cylinder that described net cylinder (2) is constituted for iron wire, institute
The web plate that the mesh floor (3) stated is constituted for iron wire, a diameter of 0.3～1mm of the iron wire.
8. in a kind of employing claim 2 to 7 air intake mouth circle described in any claim centrifugal blower, include spiral case (4)
With impeller (5), installed in the air inlet of the centrifugal blower, the air intake mouth circle body (1) is installed in spiral case for the air intake mouth circle
(4) on front side board (41), it is characterised in that：The net cylinder (2) stretches into the inside of the impeller (5), and net cylinder (2) and impeller
(5) circular gap is left between blade (51).
9. centrifugal blower according to claim 8, it is characterised in that：Described impeller (5) includes mid-game (52), described
Mid-game (52) front center is provided with forwardly convex round platform (521), and the side of the round platform (521) forms the stretching of mid-game (52)
Inclined-plane, the cavity (31) is integrally located at the front side of the round platform (521), also, the side wall of the cavity (31) is located at cavity
Gradient at openend is consistent with the gradient on the stretching inclined-plane of correspondence position.
10. centrifugal blower according to claim 9, it is characterised in that：Electric motor end cap is provided with front side of the mid-game (52)
(53), the electric motor end cap (53) is in described cavity (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914859.2A CN106640763B (en) | 2016-10-20 | 2016-10-20 | Air inlet ring and centrifugal fan adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610914859.2A CN106640763B (en) | 2016-10-20 | 2016-10-20 | Air inlet ring and centrifugal fan adopting same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640763A true CN106640763A (en) | 2017-05-10 |
| CN106640763B CN106640763B (en) | 2022-11-25 |
Family
ID=58855433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610914859.2A Active CN106640763B (en) | 2016-10-20 | 2016-10-20 | Air inlet ring and centrifugal fan adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640763B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906575A (en) * | 2017-12-28 | 2018-04-13 | 杭州老板电器股份有限公司 | Air intake device and kitchen ventilator |
| CN107956746A (en) * | 2017-10-20 | 2018-04-24 | 珠海格力电器股份有限公司 | Noise reduction current collector for centrifugal fan, centrifugal fan and air conditioning system |
| CN109538533A (en) * | 2018-12-29 | 2019-03-29 | 重庆通用工业(集团)有限责任公司 | Vapour compression machine casing and its manufacturing method |
| CN109827202A (en) * | 2017-11-23 | 2019-05-31 | 宁波方太厨具有限公司 | Dynamic filtration web frame and blower and range hood with the structure |
| CN113685373A (en) * | 2020-05-19 | 2021-11-23 | 宁波方太厨具有限公司 | Method for selecting air inlet ring of fan system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2720302Y (en) * | 2004-08-23 | 2005-08-24 | 宁波方太厨具有限公司 | Ceiling fume-exhauster easy to dismount and wash |
| CN101644279A (en) * | 2009-09-07 | 2010-02-10 | 深圳市健诺科技发展有限公司 | Bottom cover and medium seat of air pump, air pump, inflator and inflation system |
| CN201944911U (en) * | 2010-11-25 | 2011-08-24 | 宁波方太厨具有限公司 | Range hood capable of effectively reducing noise and stabilizing flow |
| CN102728172A (en) * | 2012-06-04 | 2012-10-17 | 夏涛 | Centrifuge turbine type oil-gas separation and oil filtration device |
| CN104595242A (en) * | 2014-12-29 | 2015-05-06 | 宁波方太厨具有限公司 | Air inlet adjustable centrifugal fan |
| US20150198149A1 (en) * | 2014-01-16 | 2015-07-16 | Ingersoll-Rand Company | Aerodynamic pressure pulsation dampener |
| CN105526197A (en) * | 2015-12-24 | 2016-04-27 | 宁波方太厨具有限公司 | Noise reduction and oil filtering device of centrifugal fan |
-
2016
- 2016-10-20 CN CN201610914859.2A patent/CN106640763B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2720302Y (en) * | 2004-08-23 | 2005-08-24 | 宁波方太厨具有限公司 | Ceiling fume-exhauster easy to dismount and wash |
| CN101644279A (en) * | 2009-09-07 | 2010-02-10 | 深圳市健诺科技发展有限公司 | Bottom cover and medium seat of air pump, air pump, inflator and inflation system |
| CN201944911U (en) * | 2010-11-25 | 2011-08-24 | 宁波方太厨具有限公司 | Range hood capable of effectively reducing noise and stabilizing flow |
| CN102728172A (en) * | 2012-06-04 | 2012-10-17 | 夏涛 | Centrifuge turbine type oil-gas separation and oil filtration device |
| US20150198149A1 (en) * | 2014-01-16 | 2015-07-16 | Ingersoll-Rand Company | Aerodynamic pressure pulsation dampener |
| CN104595242A (en) * | 2014-12-29 | 2015-05-06 | 宁波方太厨具有限公司 | Air inlet adjustable centrifugal fan |
| CN105526197A (en) * | 2015-12-24 | 2016-04-27 | 宁波方太厨具有限公司 | Noise reduction and oil filtering device of centrifugal fan |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107956746A (en) * | 2017-10-20 | 2018-04-24 | 珠海格力电器股份有限公司 | Noise reduction current collector for centrifugal fan, centrifugal fan and air conditioning system |
| CN109827202A (en) * | 2017-11-23 | 2019-05-31 | 宁波方太厨具有限公司 | Dynamic filtration web frame and blower and range hood with the structure |
| CN109827202B (en) * | 2017-11-23 | 2024-01-16 | 宁波方太厨具有限公司 | Dynamic filter screen structure and fan and range hood with same |
| CN107906575A (en) * | 2017-12-28 | 2018-04-13 | 杭州老板电器股份有限公司 | Air intake device and kitchen ventilator |
| CN109538533A (en) * | 2018-12-29 | 2019-03-29 | 重庆通用工业(集团)有限责任公司 | Vapour compression machine casing and its manufacturing method |
| CN109538533B (en) * | 2018-12-29 | 2024-01-12 | 重庆通用工业(集团)有限责任公司 | Vapor compressor shell and manufacturing method thereof |
| CN113685373A (en) * | 2020-05-19 | 2021-11-23 | 宁波方太厨具有限公司 | Method for selecting air inlet ring of fan system |
| CN113685373B (en) * | 2020-05-19 | 2022-11-01 | 宁波方太厨具有限公司 | Method for selecting air inlet ring of fan system |
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| Publication number | Publication date |
|---|---|
| CN106640763B (en) | 2022-11-25 |
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