CN108072061A - Fan mounting structure and cooking apparatus - Google Patents
Fan mounting structure and cooking apparatus Download PDFInfo
- Publication number
- CN108072061A CN108072061A CN201611008653.XA CN201611008653A CN108072061A CN 108072061 A CN108072061 A CN 108072061A CN 201611008653 A CN201611008653 A CN 201611008653A CN 108072061 A CN108072061 A CN 108072061A
- Authority
- CN
- China
- Prior art keywords
- fan
- mounting structure
- air inlet
- fan mounting
- structure according
- 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
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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
- F24C7/00—Stoves or ranges heated by electric energy
- F24C7/002—Stoves
-
- 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
-
- 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
- F24C15/006—Arrangements for circulation of cooling air
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to household appliance technical fields, disclose a kind of fan mounting structure and cooking apparatus, which includes：Housing, the housing have air inlet；And fan, the fan correspond to the air inlet and in the housings, for external air to be drawn into the housing；It is characterized in that, the fan mounting structure is additionally included in the edge of the air inlet towards being provided projectingly in the housing for preventing the weatherseal of reflux.The fan mounting structure of the present invention reduces the airflow reflux amount of fan, so as to ensure that more air-flows can flow to enclosure interior, improves the radiating efficiency of fan.
Description
Technical field
The present invention relates to household appliance technical fields, and in particular, to a kind of fan mounting structure fan and cooking apparatus.
Background technology
During the work time, internal electronic component can generate substantial amounts of heat to electric device, and therefore, it is necessary to electrically filling
It puts and radiates, to ensure that complete machine can continue safely to work.
At present, radiator fan is generally installed inside electric device, the air-flow generated using fan will be inside electric device
Heat take away.Due to the installation form in electric device of work characteristics and fan of fan, existing radiator fan production
Raw air-flow divides two parts, and heat exchange is carried out inside a part of air flow direction complete machine, and is finally discharged from air outlet；Another part
After air-flow leaves the blade of fan, in the case where pressure differential is driven, arrived by the clearance backflow between blade and the housing of electric device
The air intake surface of fan.In order to ensure electric device continuous firing, radiator fan need to suck more air-flows from outside, and ensure gas
Stream is flowed to inside complete machine, is radiated to complete machine and not flowed back as far as possible.Wind generally by increasing fan in the prior art
The modes such as open area, raising rotation speed of the fan and increasing fan diameter ensure the heat dissipation effect of fan.However, in practical application
In, due to being limited by various factors, for example, complete machine appearance and modeling, heat sink location layout and operating noise requirement etc., on
The mode for stating increase radiating airflow still has certain limitation.
The content of the invention
The purpose of the present invention is improve the radiating efficiency of electric device.
To achieve these goals, according to an aspect of the invention, there is provided a kind of fan mounting structure.Fan is installed
Structure includes：Housing with air inlet and corresponding to air inlet and mounted on the in vivo fan of shell, fan is used for will be external
Air is drawn into housing.Fan mounting structure is additionally included in the edge of air inlet towards being provided projectingly in housing for preventing
The weatherseal of reflux.
Preferably, air inlet has cricoid step, and the internal diameter of the step is less than the outer diameter of fan.
Preferably, weatherseal for annular wind screen rib, the wind screen rib be formed at step towards on the in vivo surface of shell.
Preferably, wind screen rib is continuous or interrupted.
Preferably, wind screen rib, step and fan are coaxial arrangement.
Preferably, the inner peripheral surface of step limits air inlet, and the diameter of air inlet is less than the maximum outside diameter of fan.
Preferably, the difference between the internal diameter of step and the outer diameter of fan is 0mm-19mm.
Preferably, the internal diameter of wind screen rib is more than the maximum outside diameter of fan.
Preferably, the difference of the maximum outside diameter of the internal diameter and fan of wind screen rib is 7mm-9mm.
Preferably, the upper surface of step is less than the minimum point of fan blade.
Preferably, the distance between minimum point of the upper surface of step and fan blade is 1mm-5mm.
Preferably, the end face towards enclosure interior of wind screen rib is higher than the end face towards enclosure interior of step.
Preferably, wind screen rib towards the height between the end face of enclosure interior and the end face towards enclosure interior of step
Difference is 1mm-9mm.
Preferably, install in the outside of housing upper air inlet or be formed with air inlet protecting wire net, fan correspond to air inlet protecting wire net and
In housing.
Preferably, step is higher by the height of the inner surface of air inlet protecting wire net more than or equal to 0.5mm.
Preferably, it is integrally formed between step, wind screen rib, air inlet protecting wire net and housing or assembly type connects.
Preferably, fan is aerofoil fan.
According to another aspect of the present invention, a kind of cooking apparatus is additionally provided, which includes above-mentioned fan
Mounting structure.
Preferably, cooking apparatus is electromagnetic oven, is provided with drum and master control borad in the housing of electromagnetic oven, fan for pair
It radiates the inside of the electromagnetic oven.
The fan mounting structure of the present invention, can be in fan and housing structure by setting weatherseal at the edge of air inlet
Into air passage in formed an opposing seal space, reduce fan be drawn into enclosure interior air-flow regurgitant volume, so as to protect
More air flow direction enclosure interiors are demonstrate,proved, improve radiating efficiency.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing a further understanding of the present invention, and a part for constitution instruction, with following tool
Body embodiment is together for explaining the present invention, but be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is the structure diagram of the electromagnetic oven of one embodiment of the present invention；
Fig. 2 is the Section A-A schematic diagram of Fig. 1；
Fig. 3 is the schematic diagram of the fan mounting structure of Fig. 2；
Fig. 4 is the partial structurtes enlarged diagram of Fig. 3；
Fig. 5 is the structure diagram of the fan of the present invention；
Fig. 6 is the side schematic view of Fig. 5；
Fig. 7 is the air inlet protecting wire net of one embodiment of the present invention and the installation relation schematic diagram of housing；
Fig. 8 is the structure diagram of the air inlet protecting wire net of another embodiment of the invention；
Fig. 9 is the partial structurtes enlarged diagram of Fig. 3；
Figure 10 is the structure diagram of the bottom case of the electromagnetic oven of the present invention.
Reference sign
100 upper cover, 200 housing
300 drum, 400 master control borad
500 operation panel, 600 fan
210 air inlet, 211 step
212 wind screen rib, 601 blade
F1 outlet air air flow path F2 reflux airflows path
The height H2 wind screen ribs that H1 steps are higher by air inlet protecting wire net are higher by the height of step
H3 fans compared with step setting height(from bottom) D1 outer diameter fans
The horizontal distance D2 step internal diameters of D3 wind screen ribs and fan
210 ' air inlet protecting wire nets
Specific embodiment
The specific embodiment of the present invention is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
The present invention provides a kind of fan mounting structure, which includes housing 200 and fan 600.Housing
200 have air inlet 210, and fan 600 corresponds to air inlet 210 and is mounted in housing 200, for external air to be drawn into
In housing 200.At the edge of air inlet 210 towards being provided projectingly the weatherseal that is useful for preventing reflux in housing 200.
When fan 600 of the prior art works, fan 600 is from the air of 210 draw outside of air inlet to housing 200
It is interior.Air-flow flow to outlet air surface along the axial of fan 600 from air intake surface, and most air-flow is directly entered after leaving outlet air surface
It radiates to the inside of housing 200, after the air-flow of fraction leaves outlet air surface, due to driving for the difference that is under pressure, into leaf
Gap between piece and housing is back to outlet air surface and forms reflux airflow.If reflux airflow increases, into the use of enclosure interior
It will certainly reduce in the air flow rate of heat dissipation, influence the radiating efficiency of fan.
In technical scheme, due to being useful for hindering towards being provided projectingly in housing 200 at the edge of air inlet 210
The weatherseal of backflow, therefore, reflux airflow can be subject to the barrier effect of weatherseal during return, and regurgitant volume reduces,
Make more gas flow enclosure interiors for radiating, improve radiating efficiency.
Air inlet 210 has cricoid step 211, and the internal diameter D2 of the step is less than the outer diameter D 1 of fan.In order to fan
600 are preferably coordinated, and air inlet 210 is circular through hole.Circular step 211 is formed in the periphery of air inlet, step
211 internal diameter D2 is equal with the diameter of air inlet 210.Step 211 have along air inlet 210 axial direction step wall and
The outwardly extending step surface of the radial direction along air inlet 210 being connected with the top of step wall.In this case, due to platform
The internal diameter D2 of rank is less than the outer diameter D 1 of fan, and therefore, fan can ensure with the cover on entire air inlet for the ventilation of air inlet
The area of the area and fan 600 of mouth 210 matches.
Further, in step 211 towards on the surface in housing 200, i.e. be formed with keeping out the wind for annular on step surface
Muscle 212.Specifically, annular wind screen rib 212 can be the arcwall that continuous annulus or multistage discontinuously surround step 211.Gear
Wind muscle 212 is formed in the outer radial periphery of the step surface of step 211, and perpendicular to step surface towards the internal stretch of housing.This
In the case of, the air passage of an opposing seal can be formed between fan 600 and step 211 and wind screen rib 212, reduces fan 600
The airflow reflux of blowout is to air intake surface.
In addition, step 211, wind screen rib 212 and fan 600 are coaxial arrangement.Fan 600 can pass through going out across fan
Screw connection is carried out between the strip connection wall in wind face and housing 200.The surface of the inner peripheral surface of step 211, i.e. step wall limits
Air inlet 210.Since the internal diameter D2 of step 211 is less than the outer diameter D 1 of fan, the diameter of air inlet 210 is again smaller than fan
Outer diameter D 1.
Due to step internal diameter D2 compared with fan outer diameter D 1 can neither it is too small can not be too big because, if step
211 internal diameter D2 is too small compared with the outer diameter D 1 of fan, and the area for causing air inlet 210 is reduced, the increase of system air intake resistance,
Intake is small, is unfavorable for radiating；And if the internal diameter D2 of step 211 is excessive compared with the outer diameter D 1 of fan, return flow path contracting
Short, reflux resistance reduces, and causes the flow of reflux airflow to increase, is also unfavorable for effectively radiating.Therefore, the step in the present invention
Difference between 211 internal diameter D2 and the outer diameter D 1 of fan is 0mm-19mm.
Further, the internal diameter of wind screen rib 212 is more than the outer diameter D 2 of fan 600.The reason for being set with the size of step 211
Similar, the difference D3 between the internal diameter of wind screen rib 212 of the invention and the outer diameter of fan 600 is 7mm-9mm.In such case
Under, the radially installed size between air inlet 210, step 211, wind screen rib 212 and fan 600 is determined.The leaf of fan 600
Piece 601 is partially housed the semienclosed installation space surrounded jointly by circular step 211 and annular wind screen rib 212
It is interior.Step 211 can provide the backflow resistance power of axial direction, and wind screen rib 212 can provide the backflow resistance power of radial direction.
Due to the too small blade by easy interference fan of the internal diameter of wind screen rib 212, cause blade rotation not smooth；And wind screen rib
212 internal diameter is excessive, then the resistance that flows back becomes smaller, and backflow gas flow increases.In addition, the height of wind screen rib 212 is too low, then flow back resistance
Power is smaller, and the flow of reflux airflow increases, and the height of wind screen rib 212 is too high, then the height of fan outlet is relatively reduced, goes out
Wind resistance increases, and the air quantity into enclosure interior reduces.Therefore, the opposite setting with step 211 and fan 600 of wind screen rib 212
Height and distance should can just enable fan cooling effect largest optimization in suitable scope.
In order to ensure in the case that 601 smooth rotation of fan blade and incoming air area it is rational, increase back as wide as possible
Flow resistance power, the upper surface of the step 211 in the present invention are arranged to the minimum point less than fan blade 601.Preferably, step 211
Upper surface and the distance between the minimum point H3 of fan blade be 1mm-5mm.In addition, wind screen rib 212 protrudes from step 211 1
Fixed height.Wind screen rib 212 towards the height between the end face of enclosure interior and the end face towards enclosure interior of step 211
Poor H2 is 1mm-9mm.The height that step 211 is higher by the inner surface of housing 200 is more than or equal to 0.5mm.In this case, enter the wind
Mouth 210 or the axially mounted size between housing 200, step 211, wind screen rib 212 and fan 600 are determined.Thus, it is possible to
The radiating efficiency of fan is improved as much as possible.
In addition, air inlet protecting wire net 210 ', fan 600 can also be installed or are formed in the outside of 200 upper air inlet 210 of housing
Corresponding to air inlet protecting wire net 210 ' and in housing 200.Specifically, enter the wind protecting wire net inner surface can be plane or
Curved surface.Air inlet protecting wire net can meet air inlet demand, and finger or larger foreign matter can be prevented to enter fan 600 and interfere blade
601 rotation.Air inlet protecting wire net can on housing 200 direct perforate and formed or fitted together with housing 200.Preferably,
The height H1 that step 211 is higher by the inner surface of air inlet protecting wire net 210 ' is more than or equal to 0.5mm.When the inner surface of air inlet protecting wire net is curved surface
When, the distance between the position of the median plane between the peak and nadir of curved surface and the upper surface of step 211 are H1.Into one
Step ground, above-mentioned step 211, wind screen rib 212, air inlet protecting wire net 210 ' can be integrally formed or assemble between housing 200
Formula connects.Said fans 600 are preferably aerofoil fan.
Above-mentioned fan installing structure can be applied in any other electric devices for needing fan radiating, including
Electric cooker and electric pressure cooking saucepan etc..However, since electromagnetic oven complete machine is arranged as flat, space between bottom case and upper cover is less than one
As electrical equipment, the space inside electromagnetic oven is than relatively limited.Therefore, in this case, fan mounting structure of the invention
It applies and becomes apparent on electromagnetic oven.In addition, fan mounting structure using the present invention, can effectively reduce wind loss.
The present invention provides a kind of cooking apparatus, which includes above-mentioned fan mounting structure.Preferably, cook
Utensil is electromagnetic oven, as shown in Figure 1, be provided with drum 300 and master control borad 400 in the housing of electromagnetic oven, fan 600 for pair
It radiates the inside of electromagnetic oven.
The preferred embodiment of the present invention is described in detail above in association with attached drawing, still, the present invention is not limited to above-mentioned realities
The detail in mode is applied, within the scope of the technical concept of the present invention, a variety of letters can be carried out to technical scheme
Monotropic type, these simple variants all belong to the scope of protection of the present invention.
It is further to note that the specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy no longer separately illustrates.
In addition, various embodiments of the present invention can be combined randomly, as long as it is without prejudice to originally
The thought of invention, it should also be regarded as the disclosure of the present invention.
Claims (19)
1. fan mounting structure, which includes：
Housing, the housing have air inlet；With
Fan, the fan correspond to the air inlet and in the housings, described for external air to be drawn into
In housing；It is characterized in that,
The fan mounting structure is additionally included in the edge of the air inlet towards being provided projectingly in the housing for preventing
The weatherseal of reflux.
2. fan mounting structure according to claim 1, which is characterized in that the air inlet has cricoid step, should
The internal diameter of step is less than the outer diameter of the fan.
3. fan mounting structure according to claim 2, which is characterized in that the weatherseal is the wind screen rib of annular, should
Wind screen rib is formed on the in vivo surface of the direction shell of the step.
4. fan mounting structure according to claim 3, which is characterized in that the wind screen rib is continuous or interrupted.
5. according to the fan mounting structure described in claim 3 claim, which is characterized in that the wind screen rib, step and wind
It fans as coaxial arrangement.
6. fan mounting structure according to claim 5, which is characterized in that the inner peripheral surface of the step limits the air inlet
Mouthful, the diameter of the air inlet is less than the maximum outside diameter of the fan.
7. fan mounting structure according to claim 6, which is characterized in that the internal diameter of the step is outer with the fan
Difference between footpath is 0mm-19mm.
8. fan mounting structure according to claim 5, which is characterized in that the internal diameter of the wind screen rib is more than the fan
Maximum outside diameter.
9. fan mounting structure according to claim 8, which is characterized in that the internal diameter of the wind screen rib and the fan
Difference between maximum outside diameter is 7mm-9mm.
10. fan mounting structure according to claim 5, which is characterized in that the upper surface of the step is less than the wind
The minimum point of fan leaf.
11. fan mounting structure according to claim 10, which is characterized in that the upper surface of the step and the fan
The distance between minimum point of blade is 1mm-5mm.
12. fan mounting structure according to claim 5, which is characterized in that the wind screen rib towards enclosure interior
End face is higher than the end face towards enclosure interior of the step.
13. fan mounting structure according to claim 12, which is characterized in that the wind screen rib towards enclosure interior
Difference in height between end face and the end face towards enclosure interior of the step is 1mm-9mm.
14. fan mounting structure according to claim 2, which is characterized in that the air inlet is outer on the housing
Air inlet protecting wire net is installed or be formed in side, and the fan corresponds to the air inlet protecting wire net and in the housing.
15. fan mounting structure according to claim 14, which is characterized in that the step is higher by the air inlet protecting wire net
The height of inner surface is more than or equal to 0.5mm.
16. fan mounting structure according to claim 15, which is characterized in that the step, wind screen rib, air inlet protecting wire net and
It is integrally formed between the housing or assembly type connects.
17. fan mounting structure according to claim 1, which is characterized in that the fan is aerofoil fan.
18. a kind of cooking apparatus, which is characterized in that the cooking apparatus is included as any one right will in claim 1-17
Seek the fan mounting structure.
19. cooking apparatus according to claim 18, which is characterized in that the cooking apparatus is electromagnetic oven, in the electricity
Drum and master control borad are provided in the housing of magnetic stove, the fan is used to radiate to the inside of the electromagnetic oven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008653.XA CN108072061A (en) | 2016-11-16 | 2016-11-16 | Fan mounting structure and cooking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008653.XA CN108072061A (en) | 2016-11-16 | 2016-11-16 | Fan mounting structure and cooking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108072061A true CN108072061A (en) | 2018-05-25 |
Family
ID=62163098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611008653.XA Pending CN108072061A (en) | 2016-11-16 | 2016-11-16 | Fan mounting structure and cooking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108072061A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502166Y (en) * | 2001-09-30 | 2002-07-24 | 冼茂忠 | Radiating fan guard structure for electromagnetic stove |
| CN201368494Y (en) * | 2009-03-19 | 2009-12-23 | 东莞市步步高家用电器有限公司 | Heat radiating fan cover structure of electromagnetic oven |
| JP2011023214A (en) * | 2009-07-16 | 2011-02-03 | Panasonic Corp | Induction heating cooker |
| CN103277818A (en) * | 2013-05-22 | 2013-09-04 | 九阳股份有限公司 | Thin-type induction cooker |
| CN203615403U (en) * | 2013-11-19 | 2014-05-28 | 九阳股份有限公司 | Efficient heat-radiating electromagnetic oven |
| CN203615382U (en) * | 2013-12-05 | 2014-05-28 | 九阳股份有限公司 | Ultrathin electromagnetic oven |
| CN204648360U (en) * | 2015-04-01 | 2015-09-16 | 九阳股份有限公司 | A kind of electromagnetic oven |
| CN206176481U (en) * | 2016-11-16 | 2017-05-17 | 佛山市顺德区美的电热电器制造有限公司 | Fan mounting structure and cooking utensil |
-
2016
- 2016-11-16 CN CN201611008653.XA patent/CN108072061A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2502166Y (en) * | 2001-09-30 | 2002-07-24 | 冼茂忠 | Radiating fan guard structure for electromagnetic stove |
| CN201368494Y (en) * | 2009-03-19 | 2009-12-23 | 东莞市步步高家用电器有限公司 | Heat radiating fan cover structure of electromagnetic oven |
| JP2011023214A (en) * | 2009-07-16 | 2011-02-03 | Panasonic Corp | Induction heating cooker |
| CN103277818A (en) * | 2013-05-22 | 2013-09-04 | 九阳股份有限公司 | Thin-type induction cooker |
| CN203615403U (en) * | 2013-11-19 | 2014-05-28 | 九阳股份有限公司 | Efficient heat-radiating electromagnetic oven |
| CN203615382U (en) * | 2013-12-05 | 2014-05-28 | 九阳股份有限公司 | Ultrathin electromagnetic oven |
| CN204648360U (en) * | 2015-04-01 | 2015-09-16 | 九阳股份有限公司 | A kind of electromagnetic oven |
| CN206176481U (en) * | 2016-11-16 | 2017-05-17 | 佛山市顺德区美的电热电器制造有限公司 | Fan mounting structure and cooking utensil |
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