CN106812724A - A kind of novel fan system of double streamline air intake - Google Patents
A kind of novel fan system of double streamline air intake Download PDFInfo
- Publication number
- CN106812724A CN106812724A CN201611141459.9A CN201611141459A CN106812724A CN 106812724 A CN106812724 A CN 106812724A CN 201611141459 A CN201611141459 A CN 201611141459A CN 106812724 A CN106812724 A CN 106812724A
- Authority
- CN
- China
- Prior art keywords
- air inlet
- impeller
- fan system
- blade
- air intake
- 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
- 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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- 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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
-
- 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
- F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of novel fan system of double streamline air intake, solve existing range hood fume-exhausting it is relatively inefficient, the oil smoke of inspiration can produce turbulent flow, so that oil droplet is attached on impeller, greasy dirt can cause impeller to deform after increasing, and influence the defect of smoke discharging effect, including Blower Housing, impeller, motor, Blower Housing is surrounded by coaming plate and forms air inlet and air outlet, and air inlet sets the back-up ring of outer drum type and forms streamlined horn-like air inlet along place in air inlet；Impeller includes some uniform blades, and the section in blade vertical length direction is curved, and blade tip uses the streamlined structure of concave arc shape towards the side of air inlet center line.Back-up ring uses outer drum like structure, and forms streamlined horn-like closed-entry air inlet in air inlet, strengthens the area pressure, reduce turbulence so that gas is more smooth along the flowing of streamlined path, and the oil smoke drop remained on blade is few, impeller is avoided to deform, it is ensured that smoke evacuation is smooth.
Description
Technical field
The present invention relates to a kind of blower fan, especially a kind of novel fan system of double streamline air intake.
Background technology
Smoke exhaust ventilator, also known as range hood, is a kind of kitchen appliance for purifying kitchen environment.It is arranged on kitchen health section
Can range hood cooking stove top, the waste that cooking stove can burn and the harmful oil smoke produced in cooking process are rapid
Take away, discharge is outdoor, reduce pollution, purify air, and there is gas defence, explosion-proof safety guarantee to act on.
Smoke exhaust ventilator mainly has casing, air channel, blower fan, check-valves, collection discharge equipment, lighting device, power switch and electricity
Source line etc. is constituted.Smoke exhaust ventilator is installed on cooking stove top, connects range hood power supply, motor so that wind wheel is made to revolve at a high speed
Turn, make to form negative pressuren zone in the certain spatial dimension in cooking stove top, inside indoor soot gas suction range hood, oil
Flue gas body is filtered by oil network, first time oil smoke separation is carried out, inside cigarette machine air channel, by the rotation of impeller to oil
Flue gas body carries out secondary oil smoke separation, and the oil smoke in wind cabinet is subject to centrifugal forces, and mist of oil is aggregated into oil droplet, by oil
Road is collected into lubricating cup, and the flue gas after purification is last to discharge along fixed path.
The main centrifugal blower fan system for using in current range hood, but the structure of its impeller and air intake passage causes to inhale
Oil smoke it is relatively inefficient, the oil smoke of inspiration can produce turbulent flow so that oil droplet is attached on impeller, greasy dirt increase after can cause
Impeller deforms, and influences smoke discharging effect.
The content of the invention
The present invention solves the relatively inefficient of the fume-exhausting of existing range hood, and the oil smoke of inspiration can produce turbulent flow,
So that oil droplet is attached on impeller, greasy dirt can cause impeller to deform after increasing, and influence the defect of smoke discharging effect, there is provided a kind of double fluid
The novel fan system of line style air intake, air inlet uses external drum streamlined structure, the blade tip of impeller to use the stream of concave arc shape
Linear structure, it is more smooth that double streamline causes that gas flows along streamlined path, blower fan system maximum static pressure lifting 20Pa.
The technical solution adopted for the present invention to solve the technical problems is：A kind of novel fan system of double streamline air intake
System, including Blower Housing, impeller, motor, Blower Housing are surrounded by coaming plate and form air inlet and air outlet, and air inlet is set
The back-up ring of outer drum type simultaneously forms streamlined horn-like air inlet in air inlet along place；Impeller includes some uniform blades, blade
The section in vertical length direction is curved, and blade tip uses the streamlined structure of concave arc shape towards the side of air inlet center line.
Back-up ring uses outer drum like structure, and forms streamlined horn-like closed-entry air inlet in air inlet, strengthens the area pressure, subtracts
Few turbulence so that gas is more smooth along the flowing of streamlined path, and the oil smoke drop remained on blade is few, it is to avoid impeller becomes
Shape, it is ensured that smoke evacuation is smooth, the section in the length of blade direction on impeller is arc shape, and end uses the streamlined knot of concave arc shape
Structure so that whole blower fan system has double streamline gas flow, gas flowing is more smooth, and maximum static pressure is lifted at least
20Pa, the streamlined streamline shape to imitate the lower jaw outer surface of blue whale U-shaped flat front end of concave arc shape of blade tip.
Preferably, Blower Housing is in scroll casing shape, air inlet is coaxially disposed for two, and air outlet is one, air inlet and
Air outlet is perpendicular.
Preferably, coaming plate includes foreboard, back plate and side plate, welded using roll welding between foreboard, back plate and side plate, foreboard
Air inlet arrangement room is reserved with back plate centre position.Roll welding is welded, it is ensured that the connection sealing between foreboard, back plate and side plate
Property.
Preferably, the end positions of blade form plate-inserting structure, the both sides of inserted sheet are location shoulder, and the two ends of blade connect
Ring is connect, the jack plugged with blade inserted sheet is provided with ring, the quantity of jack is equal with the quantity of blade, and inserted sheet is passed through
Jack and bending formation fixed structure.
Preferably, impeller central position is provided with spoke, spoke is mutually fixed with the output shaft of motor and is driven by motor
Wheel rotation.
Preferably, spoke is arranged on the intermediate symmetry face on impeller axis direction, the periphery of spoke is provided with arc
Groove, the middle part of blade is snapped onto in deep-slotted chip breaker, and the axis two ends of impeller correspond to the air inlet of Blower Housing respectively.
Preferably, motor is connected by many electric machine supports with Blower Housing, electric machine support is uniform with radial manner.
Preferably, the overall curved shape of electric machine support, the cross section of electric machine support is in flute profile, and notch is towards arc evagination
Side, wherein one end of electric machine support is fixed with connecting plate, and connecting plate is parallel with the electric machine support other end.
Preferably, the connecting plate of all electric machine supports connects the motor circle of annular, motor circle and motor housing phase jointly
It is fixed.
Preferably, using projection welding between electric machine support and motor circle.
The beneficial effects of the invention are as follows：Back-up ring uses outer drum like structure, and forms streamlined horn-like contracting in air inlet
Mouth formula air inlet, strengthens the area pressure, reduces turbulence so that gas flows more smooth, impeller along streamlined path
On the section in length of blade direction be arc shape, end using concave arc shape streamlined structure so that whole blower fan system tool
There is double streamline gas flow, gas flowing is more smooth, maximum static pressure lifting at least 20Pa, the concave arc shape streamline of blade tip
Type is with the streamline shape of the lower jaw outer surface of imitative blue whale U-shaped flat front end.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the invention；
Fig. 2 is a kind of sectional view of Blower Housing of the invention；
Fig. 3 is a kind of structural representation of impeller of the invention；
Fig. 4 is a kind of structural representation of blade of the invention；
Fig. 5 is a kind of structural representation of electric machine support of the invention；
In figure：1st, air outlet, 2, side plate, 3, impeller, 4, electric machine support, 5, motor, 6, aluminum cap, 7, motor circle, 8, back plate, 9,
Back-up ring, 10, foreboard, 11, air inlet, 12, ring, 13, jack, 14, blade, 15, deep-slotted chip breaker, 16, spoke, 17, inserted sheet, 18,
Location shoulder, 19, concave arc, 20, connecting plate.
Specific embodiment
Below by specific embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment：A kind of novel fan system of double streamline air intake（Referring to Fig. 1）, including Blower Housing, impeller 3, electricity
Machine 5, Blower Housing is surrounded in scroll casing shape by coaming plate.Coaming plate include foreboard 10, back plate 8 and side plate 2, foreboard, back plate and side plate it
Between using roll welding weld, front and rear panels centre position reserve air inlet arrangement room.Two air intakes are provided with Blower Housing
Mouth 11 and an air outlet 1, two air inlets are coaxially disposed the both sides position in scroll casing shape（Referring to Fig. 2）, air outlet is in
The spiral end position of scroll casing shape, air inlet is perpendicular with air outlet.The back-up ring 9 of outer drum type and entering in front side are fixed with foreboard
Air port forms streamlined horn-like air inlet along place, is arranged to outer drum type near the position of air inlet in back plate, and be similarly formed
Streamlined horn-like air inlet.
In back plate many electric machine supports 4 are fixed with towards air inlet center（Referring to Fig. 5）, the radial cloth of electric machine support
Put.The overall curved shape of electric machine support, the cross section of electric machine support is in flute profile, and notch is towards the side of arc evagination, motor branch
Wherein one end of frame is fixed with connecting plate 20, and connecting plate is parallel with the electric machine support other end.The connecting plate of all electric machine supports
The motor circle 7 of common connection annular, motor circle is mutually fixed with motor housing, welded using projection welding between electric machine support and motor circle
Connect.
Impeller（Referring to Fig. 3）Including spoke 16 and some blades 14 for being distributed in spoke periphery（Referring to Fig. 4）, blade is vertical
The section of length direction is curved, and blade two ends use the streamlined structure of the shape of concave arc 19 towards the side of air inlet center line.Wheel
The periphery of spoke is provided with some deep-slotted chip breakers 15, and the middle part of blade is snapped onto in deep-slotted chip breaker, and the axis two ends of impeller are right respectively
Answer the air inlet of Blower Housing.The end positions of blade form the structure of inserted sheet 17, and the both sides of inserted sheet are location shoulder 18, blade
Two ends connect ring 12, and the jack 13 plugged with blade inserted sheet, the quantity of jack and the quantity phase of blade are provided with ring
Deng, inserted sheet is through jack and bending forms fixed structure.The centre of spoke is provided with circular hole, and the output shaft of motor is inserted into
Fixed in circular hole and mutually with spoke, the end position of the middle part motor output shaft of spoke is equipped with aluminum cap 6.On impeller
When blade is with spoke clamping, the arc convex portion of blade is towards the rotation direction of impeller.
After the streamlined air inlet enhancing air inlet pressure of back-up ring and back plate external drum, soot gas are sucked from air inlet, gas
Body flowing is smooth, and turbulent flow is less, gas by air inlet position when, blade and air inlet transition position by blade tip
It is streamlined so that, gas smoothly enters impeller, will not form turbulent flow in this crossover position, whole blower fan system it is maximum quiet
Pressure raises 20Pa.
Embodiment described above is a kind of preferred version of the invention, and any formal limit is not made to the present invention
System, also has other variants and remodeling on the premise of without departing from the technical scheme described in claim.
Claims (10)
1. a kind of novel fan system of double streamline air intake, including Blower Housing, impeller（3）, motor（5）, it is characterised in that
Blower Housing is surrounded by coaming plate and forms air inlet（11）And air outlet（1）, the back-up ring of the outer drum type of air inlet setting（9）And
Air inlet forms streamlined horn-like air inlet along place；Impeller includes some uniform blades（14）, blade vertical length direction
Section it is curved, blade tip uses concave arc towards the side of air inlet center line（19）The streamlined structure of shape.
2. the novel fan system of a kind of double streamline air intake according to claim 1, it is characterised in that Blower Housing is in
Scroll casing shape, air inlet is coaxially disposed for two, and air outlet is one, and air inlet is perpendicular with air outlet.
3. the novel fan system of a kind of double streamline air intake according to claim 1, it is characterised in that coaming plate includes preceding
Plate（10）, back plate（8）And side plate（2）, to be welded using roll welding between foreboard, back plate and side plate, front and rear panels centre position is stayed
Go out air inlet arrangement room.
4. a kind of novel fan system of double streamline air intake according to claim 1, it is characterised in that the two ends of blade
Position forms inserted sheet（17）Structure, the both sides of inserted sheet are location shoulder（18）, the two ends connection ring of blade（12）, set on ring
It is equipped with the jack plugged with blade inserted sheet（13）, the quantity of jack is equal with the quantity of blade, and inserted sheet is through jack and bending
Form fixed structure.
5. a kind of novel fan system of the double streamline air intake according to claim 1 or 2 or 3 or 4, it is characterised in that leaf
Wheel centre is provided with spoke（16）, spoke is mutually fixed with the output shaft of motor and is rotated by motor driven impeller.
6. the novel fan system of a kind of double streamline air intake according to claim 5, it is characterised in that spoke is arranged at
On intermediate symmetry face on impeller axis direction, the periphery of spoke is provided with deep-slotted chip breaker（15）, the middle part of blade snaps onto
In deep-slotted chip breaker, the axis two ends of impeller correspond to the air inlet of Blower Housing respectively.
7. a kind of novel fan system of the double streamline air intake according to claim 1 or 2 or 3 or 4, it is characterised in that electricity
Machine passes through many electric machine supports（4）It is connected with Blower Housing, electric machine support is uniform with radial manner.
8. the novel fan system of a kind of double streamline air intake according to claim 7, it is characterised in that electric machine support is whole
The curved shape of body, the cross section of electric machine support is in flute profile, and notch is consolidated towards the side of arc evagination, wherein one end of electric machine support
Surely there is connecting plate（20）, connecting plate is parallel with the electric machine support other end.
9. a kind of novel fan system of double streamline air intake according to claim 8, it is characterised in that all motor branch
The connecting plate of frame connects the motor circle of annular jointly（7）, motor circle mutually fixes with motor housing.
10. the novel fan system of a kind of double streamline air intake according to claim 9, it is characterised in that electric machine support with
Projection welding is used between motor circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611141459.9A CN106812724A (en) | 2016-12-12 | 2016-12-12 | A kind of novel fan system of double streamline air intake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611141459.9A CN106812724A (en) | 2016-12-12 | 2016-12-12 | A kind of novel fan system of double streamline air intake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106812724A true CN106812724A (en) | 2017-06-09 |
Family
ID=59108912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611141459.9A Pending CN106812724A (en) | 2016-12-12 | 2016-12-12 | A kind of novel fan system of double streamline air intake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106812724A (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 |
| CN108386371A (en) * | 2018-05-11 | 2018-08-10 | 浙江爱尔菲集成家居有限公司 | A kind of multifunctional kitchen blower fan with spiral duct |
| CN109595651A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of outlet air cover structure and the range hood using the outlet air cover structure |
| CN110005636A (en) * | 2019-05-20 | 2019-07-12 | 东莞市麦凯通风设备有限公司 | The blade wheel structure of steady type Wind Volume high pressure blower |
| CN114776635A (en) * | 2022-06-21 | 2022-07-22 | 杭州老板电器股份有限公司 | Support for range hood fan, range hood fan and range hood |
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| CN203614455U (en) * | 2011-12-21 | 2014-05-28 | Seb公司 | Centrifugation ventilation wheel, corresponding ventilator and cooking device comprising ventilator |
| CN104165158A (en) * | 2014-08-06 | 2014-11-26 | 宁波方太厨具有限公司 | Centrifugal fan of extractor hood |
| CN204213046U (en) * | 2014-10-22 | 2015-03-18 | 杭州老板电器股份有限公司 | A kind of subsection blade and embedded air-ducting ring blower fan |
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| JP3984598B2 (en) * | 2004-02-20 | 2007-10-03 | 株式会社クラコ | Fan device |
| US20080267779A1 (en) * | 2007-04-30 | 2008-10-30 | Chi-Hsiung Chiang | Fan device for smoke exhauster |
| CN101280932A (en) * | 2008-01-09 | 2008-10-08 | 杭州老板家电厨卫有限公司 | Two-sided uniform air intake blower fan system of fume exhauster |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109595651A (en) * | 2017-09-30 | 2019-04-09 | 宁波方太厨具有限公司 | A kind of outlet air cover structure and the range hood using the outlet air cover structure |
| CN109595651B (en) * | 2017-09-30 | 2024-01-16 | 宁波方太厨具有限公司 | Air outlet cover structure and range hood applying 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 |
| CN108386371A (en) * | 2018-05-11 | 2018-08-10 | 浙江爱尔菲集成家居有限公司 | A kind of multifunctional kitchen blower fan with spiral duct |
| CN110005636A (en) * | 2019-05-20 | 2019-07-12 | 东莞市麦凯通风设备有限公司 | The blade wheel structure of steady type Wind Volume high pressure blower |
| CN114776635A (en) * | 2022-06-21 | 2022-07-22 | 杭州老板电器股份有限公司 | Support for range hood fan, range hood fan and range hood |
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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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170609 |