CN109404309A - A kind of multi-wing centrifugal fan - Google Patents
A kind of multi-wing centrifugal fan Download PDFInfo
- Publication number
- CN109404309A CN109404309A CN201710702717.4A CN201710702717A CN109404309A CN 109404309 A CN109404309 A CN 109404309A CN 201710702717 A CN201710702717 A CN 201710702717A CN 109404309 A CN109404309 A CN 109404309A
- Authority
- CN
- China
- Prior art keywords
- heating
- blade
- impeller
- centrifugal fan
- heat conducting
- 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
- 238000010438 heat treatment Methods 0.000 claims abstract description 75
- 239000000779 smoke Substances 0.000 claims abstract description 27
- 238000010411 cooking Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 230000003447 ipsilateral effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004071 soot Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
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
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of multi-wing centrifugal fans, including spiral case, motor in the spiral case equipped with impeller and driving wheel rotation, the impeller includes blade and the end circle for being mounted on both ends of the blade, it is characterised in that: the heating device for being heated to the blade is equipped on the impeller.Compared with prior art, the present invention has the advantages that the multi-wing centrifugal fan on impeller by installing the heating device that can be heated to blade, the phenomenon that oil smoke since blade surface temperature is lower when blade by causing oil droplet to condense can be effectively reduced, and then increase the period of impeller cleaning, guarantee that blade is in the state effectively to work for a long time.
Description
Technical field
The present invention relates to a kind of multi-wing centrifugal fans.
Background technique
For multi-wing centrifugal fan because having many advantages, such as that noise is low, pressure head is higher, small in size and be widely used in household oil suction
Smoke machine field.When range hood works, impeller is exposed in high oil smoke surroundings for a long time, when oil smoke passes through impeller, due to blade
Surface temperature is lower, and the oil smoke of high temperature encounters low temperature wall surface, generates condensation, leads to blade surface oil accumulation, with runing time
Accumulation, the grease stain of blade surface reach certain thickness, will increase the weight of impeller, and the load of motor is caused to increase, performance decline,
Noise increases, and then seriously affects the operation of blower fan system, and kitchen ventilator is caused to can not work normally.Further, since multi-wing centrifugal
Fan blade number is more, cause to clean it is extremely difficult, and clean method it is improper, it is also possible to will cause motor damage, and
And continually disassembly range hood will lead to part deformation, and then influence the service life of range hood.
Currently, the range hood for capableing of oil removing has been disclosed in the prior art, such as Patent No. ZL 201520750971.8
It is " a kind of with novel oil removing device disclosed in the Chinese utility model patent of (Authorization Notice No. is CN 205065847U)
Kitchen ventilator ", which is covered on heating device on spiral case outer surface, can be carried out by heat transfer to spiral case ontology and wind wheel
Heating, the setting of the unique set-up mode of heating wire and heat-transfer device may make thermally equivalent inside entire spiral case, promote oil removing
Effect.Although above-mentioned kitchen ventilator is cleaned by being able to maintain spiral case interior smooth after heating to spiral case, reduce windage, due to
There are gap between spiral case and impeller, the heat on spiral case is not easy directly to conduct to impeller, so as to the heating effect of impeller
Limited, therefore, unobvious for the greasy dirt effect on removal blade, after blower is run for a long time, blade surface still can be adsorbed greatly
The greasy dirt of amount.
Summary of the invention
The technical problem to be solved by the present invention is to be directed to above-mentioned state of the art, providing a kind of can effectively avoid oil droplet
In the multi-wing centrifugal fan of blade surface condensation.
The technical scheme of the invention to solve the technical problem is: the multi-wing centrifugal fan, including spiral case, it is described
The interior motor equipped with impeller and driving wheel rotation of spiral case, the impeller include that blade is enclosed with the end for being mounted on both ends of the blade,
It is characterized by: being equipped with the heating device for being heated to the blade on the impeller.
Heating device can have a variety of structures, it is preferable that the heating device includes heating control apparatus, heating element
And heat conducting element, the heating control apparatus are used to control the heating temperature of heating element, the heating element is used to heat
It is conducted to the heat conducting element, the heat conducting element is used to directly heat the blade.
Further preferably, the heating element is the heating tube that the circumferencial direction setting of lateral surface is enclosed along the end,
The heating control apparatus and the heating tube are mounted on ipsilateral end circle.
In order to make heating tube that there is better heating effect, heating tube bending structure wave-shaped.
In order to not only promote the aeroperformance of blower, but also blade can be made to be heated evenly, the blade has hollow portion, institute
The heat conducting element stated is heat conducting pipe, and each blade interior is stretched at least provided with heat conducting pipe described in one, the inner end of the heat conducting pipe
Enter in the hollow portion, the end where the outer end of heat conducting pipe is mounted on heating tube is enclosed.
Further preferably, which includes advance air port and rear air inlet, is equipped with air inlet on the circle of the front end of impeller
Mouth circle is equipped with the heating control apparatus and heating tube on the circle of the rear end of impeller.
In order to promote the intelligence degree of heating device, oil smoke sensor, the oil are also equipped in the spiral case
The signal output end of smoke sensor and the signal input part of the heating control apparatus are electrically connected, the heating control apparatus root
The heating temperature of the heating element is controlled according to the output signal of received oil smoke sensor.
In order to which the oil smoke in blower rack smoothly imports air inlet, it is equipped in the bottom of the spiral case for by cooking smoke guiding
The wind deflector of air inlet.
In order to which motor to be smoothly fixed on spiral case, the spiral case is equipped with motor cabinet, and the motor is mounted on the electricity
On base.
Compared with the prior art, the advantages of the present invention are as follows: the multi-wing centrifugal fan can be to leaf by installing on impeller
The heating device of piece heating can effectively reduce oil smoke by causing oil droplet solidifying since blade surface temperature is lower when blade
The phenomenon that knot, and then increase the period of impeller cleaning, guarantee that blade is in the state effectively to work for a long time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the cross-sectional view of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the impeller of the embodiment of the present invention；
Fig. 4 is the decomposition diagram of the impeller of the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the blade of the embodiment of the present invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
As shown in Figures 1 to 5, the multi-wing centrifugal fan in the present embodiment includes spiral case 1, and impeller 2 is equipped in spiral case 1 and is driven
The motor 3 of dynamic wheel rotation, spiral case 1 are equipped with motor cabinet 8, and motor 3 is mounted on motor cabinet 8.Impeller 2 includes blade 21, preceding
End circle 22 and rear end circle 23, front end circle 22 are mounted on the front end of blade 21, and rear end circle 23 is mounted on the rear end of blade 21, in spiral case
1 bottom is equipped with for by the wind deflector 7 of cooking smoke guiding air inlet.Above structure and existing centrifugal fan structure phase
Together, not specifically expansion description herein.
Heating device is installed on impeller 2, heating device is used to heat blade 21.In the present embodiment, heating
Device includes heating control apparatus 41, heating element and heat conducting element, and heating control apparatus 41 is used to control adding for heating element
Hot temperature, heating element are used to for heat being conducted to heat conducting element, and heat conducting element is used to directly heat blade 21.
In the present embodiment, which includes advance air port 51 and rear air inlet 52, is installed on the front end of impeller 2 circle 22
There is air inlet mouth circle 6, heating control apparatus 41 and heating element are installed on the rear end of impeller 2 circle 23.Specifically, heating element
Using heating tube 42, heating tube 42 is arranged along the circumferencial direction that 23 lateral surfaces are enclosed in rear end, also, in order to improve heating effect,
The bending structure wave-shaped of heating tube 42.
In order to not only promote the aeroperformance of blower, but also blade can be made to be heated evenly, blade 21 has hollow portion 211.
In the present embodiment, heat conducting element is heat conducting pipe 43, and heat conducting pipe 43 can be good using the heating conductions such as copper pipe or albronze pipe
Good material, at least provided with a heat conducting pipe 43 inside each blade 21, the hollow portion of blade 21 is protruded into the inner end of heat conducting pipe 43
In 211, the outer end of heat conducting pipe 43 is mounted on rear end circle 23.
In addition, be also equipped with oil smoke sensor (not shown) in spiral case 1, the signal output end of oil smoke sensor with plus
The signal input part of heat control device 41 is electrically connected, the output signal of the oil smoke sensor based on the received of heating control apparatus 41
To control the heating temperature of heating element.When oil smoke amount is more, the temperature rise of heating is increased, can be with if oil smoke is less
The temperature rise of heating is reduced, to reach energy-efficient effect.
When range hood works, oil smoke enters blower rack through oil network from smoke collecting chamber, and passes through wind deflector 7 for cooking smoke guiding wind
The air inlet of machine system, oil smoke are entered by air inlet, and the air inlet of the present embodiment has advance air port 51 and laggard
Air port 52 is rotated by impeller 2, so that soot gas has kinetic energy and pressure energy, when impeller 2 is run, starts heating device, thermal energy
Blade 21 is passed to by heat conducting pipe 43, so that 21 surface of blade is heated up, high-temperature oil smoke can not encounter cold wall surface and generate condensation,
Smoke pipe is discharged by outlet housing in the soot gas finally to pressurize.
The foregoing is merely the preferred embodiment of the present invention, it is noted that for those of ordinary skills,
Under the premise of not departing from the principle of the present invention, a variety of remodeling or improvement can be carried out to the present invention, these are regarded as the present invention
Protection scope within.
Claims (9)
1. a kind of multi-wing centrifugal fan, including spiral case (1), the interior electricity equipped with impeller (2) and driving wheel rotation of the spiral case (1)
Machine (3), the impeller (2) include blade (21) and the end circle for being mounted on both ends of the blade, it is characterised in that: in the impeller
(2) heating device for being heated to the blade (21) is installed on.
2. multi-wing centrifugal fan according to claim 1, it is characterised in that: the heating device includes computer heating control dress
(41), heating element and heat conducting element are set, the heating control apparatus (41) is used to control the heating temperature of heating element, described
Heating element is used to for heat being conducted to the heat conducting element, and the heat conducting element is used to directly add the blade (21)
Heat.
3. multi-wing centrifugal fan according to claim 2, it is characterised in that: the heating element is to enclose along the end
The heating tube (42) of the circumferencial direction setting of lateral surface, the heating control apparatus (41) are mounted on the heating tube (42)
On ipsilateral end circle.
4. multi-wing centrifugal fan according to claim 3, it is characterised in that: described heating tube (42) bending wave-shaped
Structure.
5. multi-wing centrifugal fan according to claim 3, it is characterised in that: the blade (21) has hollow portion (211),
The heat conducting element is heat conducting pipe (43), and each blade (21) is internal at least provided with heat conducting pipe (43) described in one, described
The inner end of heat conducting pipe (43) is protruded into the hollow portion (211), and the outer end of heat conducting pipe (43) is mounted on where heating tube (42)
On the circle of end.
6. multi-wing centrifugal fan according to claim 3, it is characterised in that: the blower include advance air port (51) and after
Air inlet (52) is equipped with air inlet mouth circle (6) on the front end of impeller (2) circle (22), pacifies on the rear end of impeller (2) circle (23)
Equipped with the heating control apparatus (41) and heating tube (42).
7. multi-wing centrifugal fan according to claim 2, it is characterised in that: be also equipped with oil in the spiral case (1)
The signal input part of smoke sensor, the signal output end and the heating control apparatus (41) of the oil smoke sensor is mutually electrically connected
It connects, the output signal of the heating control apparatus (41) oil smoke sensor based on the received controls the heating of the heating element
Temperature.
8. multi-wing centrifugal fan according to claim 1, it is characterised in that: in the bottom of the spiral case (1), installation is useful
By the wind deflector (7) of cooking smoke guiding air inlet.
9. according to claim 1 to multi-wing centrifugal fan described in any claim in 8, it is characterised in that: the spiral case (1)
It is equipped with motor cabinet (8), the motor (3) is mounted on the motor cabinet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702717.4A CN109404309B (en) | 2017-08-16 | 2017-08-16 | Multi-wing centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710702717.4A CN109404309B (en) | 2017-08-16 | 2017-08-16 | Multi-wing centrifugal fan |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109404309A true CN109404309A (en) | 2019-03-01 |
| CN109404309B CN109404309B (en) | 2024-01-12 |
Family
ID=65454535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710702717.4A Active CN109404309B (en) | 2017-08-16 | 2017-08-16 | Multi-wing centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109404309B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272597A (en) * | 1999-04-30 | 2000-11-08 | 柴岩芝 | Two-way blower fan |
| KR20080077045A (en) * | 2007-10-22 | 2008-08-21 | 미쓰비시덴키 가부시키가이샤 | Multiblade centrifugal blower |
| CN104564723A (en) * | 2013-10-16 | 2015-04-29 | 樱花卫厨（中国）股份有限公司 | Range hood wind wheel structure capable of removing oil by electrical heating |
| CN106524263A (en) * | 2016-12-16 | 2017-03-22 | 宁波方太厨具有限公司 | Range hood |
| CN207033789U (en) * | 2017-08-16 | 2018-02-23 | 宁波方太厨具有限公司 | A kind of multi-wing centrifugal fan |
-
2017
- 2017-08-16 CN CN201710702717.4A patent/CN109404309B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1272597A (en) * | 1999-04-30 | 2000-11-08 | 柴岩芝 | Two-way blower fan |
| KR20080077045A (en) * | 2007-10-22 | 2008-08-21 | 미쓰비시덴키 가부시키가이샤 | Multiblade centrifugal blower |
| CN104564723A (en) * | 2013-10-16 | 2015-04-29 | 樱花卫厨（中国）股份有限公司 | Range hood wind wheel structure capable of removing oil by electrical heating |
| CN106524263A (en) * | 2016-12-16 | 2017-03-22 | 宁波方太厨具有限公司 | Range hood |
| CN207033789U (en) * | 2017-08-16 | 2018-02-23 | 宁波方太厨具有限公司 | A kind of multi-wing centrifugal fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109404309B (en) | 2024-01-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204006237U (en) | Oil smoke hot water integrated machine | |
| CN204923132U (en) | Novel range hood with steam automatic cleaning function | |
| CN204006236U (en) | Multi-purpose energy-saving smoke exhaust ventilator | |
| CN110657515B (en) | Kitchen air conditioning system | |
| CN205717431U (en) | A kind of lampblack absorber degreasing unit with greasy dirt detection function | |
| CN110657471A (en) | Kitchen air conditioning system | |
| CN103363561A (en) | Kitchen heat reutilization system | |
| CN203364413U (en) | Efficient heat-pump water heater utilizing oil smoke heat energy | |
| CN207033789U (en) | A kind of multi-wing centrifugal fan | |
| WO2016197902A1 (en) | Balanced gas water heating device | |
| CN209724711U (en) | A kind of industrial fan equipment that radiating efficiency can be improved | |
| CN205156088U (en) | Electrified heating and washing dual function's smoke ventilator | |
| CN201187876Y (en) | Electric hot blast heating furnace | |
| CN203549955U (en) | Smoke exhaust ventilator | |
| CN109404309A (en) | A kind of multi-wing centrifugal fan | |
| CN201028783Y (en) | Water heater for kitchen | |
| CN205079295U (en) | Energy -conserving oil smoke pump drainage machine of split type low noise | |
| CN205714873U (en) | A kind of axial flow blower of bidirectional fan | |
| CN208936741U (en) | A kind of hot water circuit of drying chamber utilizes device | |
| CN208294805U (en) | Embedded water stove fan dries by fire | |
| CN211424494U (en) | Range hood with refrigerating fresh air | |
| CN203893279U (en) | Negative pressure type range hood | |
| CN111811007A (en) | Fume exhaust fan | |
| CN204730285U (en) | A kind of lampblack absorber wind cabinet with heated at constant temperature degreasing unit | |
| CN207763010U (en) | A kind of smoke exhaust ventilator of low-noise heating negative pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |