CN101956721A - Stirring fan of microwave oven - Google Patents
Stirring fan of microwave oven Download PDFInfo
- Publication number
- CN101956721A CN101956721A CN2009100697861A CN200910069786A CN101956721A CN 101956721 A CN101956721 A CN 101956721A CN 2009100697861 A CN2009100697861 A CN 2009100697861A CN 200910069786 A CN200910069786 A CN 200910069786A CN 101956721 A CN101956721 A CN 101956721A
- Authority
- CN
- China
- Prior art keywords
- fan
- microwave oven
- shaft
- blade
- stirring
- 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
- 238000003756 stirring Methods 0.000 title claims abstract description 18
- 241000883990 Flabellum Species 0.000 claims description 27
- 230000001939 inductive effect Effects 0.000 claims description 15
- 238000010411 cooking Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000013019 agitation Methods 0.000 description 17
- 238000001816 cooling Methods 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Images
Landscapes
- Constitution Of High-Frequency Heating (AREA)
Abstract
The invention discloses a stirring fan of a microwave oven, belonging to a component of cooking equipment capable of heating by utilizing microwave. The stirring fan of the microwave oven comprises a fan shaft, a cylindrical shaft sleeve matched with the fan shaft, and a fan connected with the shaft sleeve. The fan shaft comprises an air guide plate and a shaft which is raised at the center of the air guide plate. The shaft is matched with the shaft sleeve, and the fan comprises a fan main body at the center part of the fan and a plurality of fan blades extended from the fan main body. One side edge of each fan blade is folded towards one side to form the blade. The center of the fan main body is provided with a shaft hole. The stirring fan of the microwave oven can further utilize the wind energy to drive the fan blades, reduce the direct discharge of the air which bypasses the stirring fan and is discharged from an air outlet, improve the wind energy utilization rate and accelerate the rotation speed of the stirring fan, thereby enhancing the efficiency of scattering the microwave.
Description
Technical field
The present invention relates to a kind of cooking equipment that utilizes microwave heating, specifically is that a kind of can the raising broken up the stirring fan of microwave oven of microwave efficient.
Background technique
Microwave oven is that a kind of microwave that utilizes magnetron to produce heats and is placed into the indoor culinary art thing of culinary art, thus the device that the culinary art thing is heated rapidly.Such microwave oven can be divided into home-use microwave oven that is equipped with small-sized magnetron and the commerce microwave oven that is equipped with large-scale or a plurality of magnetrons.Microwave oven can also be distinguished according to the mode of heat food, and home-use microwave oven generally adopts the glass plate mode of rotation food, the commercial stirring fan mode that mainly adopts dispersion microwave with microwave oven.Commercial be mainly used in the Food Store that the high convenience store of frequency of utilization or short time handle food, generally need high relatively output compared with home-use microwave oven with microwave oven.
General commerce comprises by the shell that forms outward appearance, culinary art chamber, electric apparatus room with microwave oven structure, also comprises the door that is arranged on culinary art front, chamber.Shell forms the microwave oven outward appearance, also play the effect of the inner culinary art of protection chamber simultaneously, so shell is made of the steel plate with certain intensity generally.Shell is that the center is provided with to cook the chamber, and it comprises by covering above the culinary art chamber and top plate, the side plate of bi-side, protects following base plate, forms the front panel of microwave oven front and the rear board at the protection microwave oven back side.The culinary art chamber is the space of cooking food, and its shape is the quadrangular box shape of front openings, the food after promptly can putting into food and take out culinary art from the place ahead of culinary art chamber opening.Electric apparatus room is the space that is positioned at the enclosure right side, and its inside is provided with a plurality of electric components such as transformer, capacitor, magnetron, cooling fan.Transformer and magnetron play a part to produce the inner microwave of input.In the process that generates microwave, the electronic unit heating, therefore in the time of cooking food, the temperature of electric apparatus room rises.In order to cool off the electric apparatus room of heating, also be provided with cooling fan.
Shown in Figure 1 is the structure of prior art microwave oven bottom, has omitted the parts on top, microwave oven cooking chamber and the parts of side electric panel room among the figure, has only kept air intake pipe.The below, inside of furnace chamber is provided with ceramic plate (not shown), in fact ceramic plate is formed on the bottom surface of culinary art chamber, and ceramic plate exceeds the micro-wave oven baseboard certain distance, and underframe 17 intermediate portions below the ceramic plate are to lower recess, form the fan room 11 of a circle, in fan room, be provided with agitation fan.Be formed with intake grill 2 on the sidewall on fan room 11 right sides, the wind with cooling fan in the electric apparatus room of microwave oven right side forms is directed in the fan room 11.A plurality of intake openings 3 that distributing in intake grill 2 both sides on intake opening 3 corresponding side walls, are formed with a plurality of vents 12, are provided with exhaust port 14 on vent 12 right sides.Be respectively arranged with straight plate 13 in intake grill 2 both sides and exhaust port 14 both sides, the straight plate of intake grill 2 is connected by arc plate 5 with the straight plate of exhaust port 14.Has only very little gap between flabellum 4 and the arc plate 5.It between the sidewall of arc plate and fan room the passage of wind.
As shown in Figure 2, the intermediate portion of agitation fan forms the fan main body 7 of fan and is formed with axis hole 16 in the central authorities of fan main body 7; At the groove 15 of three rectangles of axis hole 16 edge radial equipartitions, from fan main body 74 the fan-shaped flabellums 4 of radial formation that stretch out, the limit of flabellum both sides is a straight line, and the limit on top is a camber line, and flabellum is a plane, does not have tortuosity.The left side of each flabellum 4 vertical blade 6 of 90 ° of formation of warpage and flabellum 4 that makes progress.
The wind rotary driving that agitation fan is formed by cooling fan in the culinary art chamber side electric apparatus room, thus it make by the metal of lightweight, as aluminium flake as thin as a wafer.
As shown in Figure 1, on micro-wave oven baseboard, connecting air inducing dish 8, extending to form an axle (not shown) on the mediad of air inducing dish 8 and insert in the axle sleeve.Axle sleeve 9 is the top sealing, and it is cylindrical that the bottom is opened, and inner is the hole that is slidingly matched with axle.Axle sleeve 9 links together with fan, drives fan and rotates around axle.Air inducing dish 8 is separated by a distance with fan.
The as above agitation fan of structure, the wind that forms when cooling fan from the wind passage mouth 1 of electric apparatus room along the air channel when intake grill 2 enters fan room 11, blow blade 6, drive flabellum 4 and rotate, flabellum 4 drives axle sleeves 9 and rotates, fan begins to rotate around axle.The passage of wind between fan room's sidewall and circular arc plate 5 that while intake opening 3 comes out flows into the air inducing dish 8 below the fan, flow out from the gap between air inducing dish 8 and the fan, blow blade 6 and rotate, make the microwave of waveguide transmission be sent to the culinary art chamber interior with the state that disperses.
But there is following shortcoming in the agitation fan of prior art: when wind enters fan room, wherein a part of wind is parallel with blade 6, does not play the effect that promotes flabellum, can not make full use of wind energy, causes the agitation fan rotating speed to reduce, and the effect of breaing up microwave weakens.
Summary of the invention
In order to solve the phenomenon that existing agitation fan can not make full use of wind energy, the invention provides a kind of wind energy of further utilizing, improve and break up the stirring fan of microwave oven of microwave efficient.
In order to solve the problems of the technologies described above, stirring fan of microwave oven of the present invention comprises fan shaft, reaches the fan that is connected with axle sleeve with fan shaft matched cylindrical axle sleeve; Fan shaft comprises the axle of air inducing dish and air inducing dish center projections; Axle with cooperate with axle sleeve, fan comprises that the fan main body of fan intermediate portion reaches a plurality of flabellums that extend to form from fan main body; One side of each flabellum forms blade to a side warpage; The central authorities of fan main body form axis hole.One end of the close axis hole of each blade forms joggling part to a side warpage of windward side.
The length of joggling part is 1/3rd of length of blade.
Joggling part is to 30 ° of the windward side of blade one side warpages.
Make progress 90 ° of warpages of any side of each flabellum.
Edge at the fan axis hole forms groove to fan body interior radial depressions.
The outside lower end of axle sleeve radially forms the projection with the corresponding connection of above-mentioned groove laterally highlightedly.
Advantage that has of the present invention and good effect are: the microwave oven of structure stirs wind as mentioned above, reduce air and walk around the phenomenon that agitation fan is directly discharged from exhaust port, improve wind energy utilization, accelerate the rotating speed of agitation fan, thereby improve the efficient of breaing up microwave.
Description of drawings
Fig. 1 is a prior art microwave oven chart at the bottom of;
Fig. 2 is the schematic representation of prior art agitation fan flabellum;
Fig. 3 is a microwave oven chart at the bottom of of the present invention;
Fig. 4 is the schematic representation of agitation fan flabellum of the present invention.
Symbol description in the accompanying drawing
1. wind passage mouth 2. intake grills 3. intake openings
4. flabellum 5. arc plates 6. blades
7. fan main body 8. air inducing dishes 9. axle sleeves
10. protruding 11. fan room 12. vents
13. straight plate 14. exhaust ports 15. grooves
16. axis hole 17. underframe 104. flabellums
106. blade 107. fan main body 109. axle sleeves
110. protruding 115. grooves, 116. axis holes
117. joggling part
Mode of execution
The present invention is further illustrated below by embodiment and accompanying drawing.In order to narrate conveniently, parts same as the prior art adopt same label.
As shown in Figure 3, underframe 17 intermediate portions form the fan room 11 of a circle to lower recess below the ceramic plate of microwave oven cooking chamber, are provided with agitation fan in the fan room 11.Be formed with intake grill 2 on the sidewall of fan room 11, the wind with cooling fan in the electric apparatus room of microwave oven right side forms is directed in the fan room 11.A plurality of intake openings 3 that distributing in intake grill 2 both sides on intake opening 3 corresponding side walls, form a plurality of vents 12, are provided with exhaust port 14 on the right side of vent 12.Be respectively arranged with straight plate 13 in intake grill 2 both sides and exhaust port 14 both sides, the straight plate of intake grill both sides is connected by arc plate 5 with the straight plate of exhaust port both sides.Has only very little gap between fan and the arc plate 5.It between the sidewall of arc plate and fan room 11 passage of wind.
As shown in Figure 4, be placed in the agitation fan of the present invention of fan room 11, form fan main body 107, be formed with axis hole 116 in fan main body central authorities in the intermediate portion of agitation fan; Uniform three rectangle grooves 115 that are recessed to form to fan main body 107 inner radial at the edge of axis hole 116.Extend radiation from fan main body 107 and form a plurality of flabellums 104, the limit of flabellum both sides is a straight line, and the top is a curve, and flabellum is a plane, does not have tortuosity.The limit, left side of each flabellum 104 vertical blade 106 of 90 ° of formation of warpage and flabellum 104 that makes progress.Blade 106 is not connected with flabellum near an end of axis hole 16, and forms joggling part 117 for 30 ° to blade windward side one side warpage.The length of joggling part 117 is 1/3rd of blade 106 length.
The wind rotary driving that agitation fan is formed by cooling fan in the electric panel room, thus it make by the metal of lightweight, as aluminium flake as thin as a wafer.
As shown in Figure 3, air inducing dish 8 central authorities raise up in axle (not shown) the insertion axle sleeve 109 that forms.Axle sleeve 109 is cylindrical for the opening of upper end closed lower end, and it is inner to be the hole that is slidingly matched with axle.The corresponding rectangular preiection 110 of groove on the lower end of axle sleeve outside uniform three radially outstanding laterally and the fans.In the groove 115 that projection 110 on the axle sleeve 109 is inserted on the fan, axle sleeve and fan are linked together.Separated by a distance between air inducing dish 8 and the fan.Air inducing dish 8 is connected on the micro-wave oven baseboard.
The as above agitation fan of structure, the wind that forms when cooling fan blow blade 106 when intake grill 2 enters fan room 11, drive flabellum 104 and rotate, and flabellum 104 drives axle sleeves 109 and rotates, and makes fan center on axle and rotates counterclockwise.The passage of the wind of coming in from intake opening 3 between fan room's sidewall and circular arc plate 5 flows into the air inducing dish 8 below the fan simultaneously, flow out from the gap between air inducing dish 8 and the fan, also blow blade 106 and rotate, make the microwave of waveguide transmission be sent to the culinary art chamber interior with the state that disperses.When the wind that enters fan room 11 from intake grill 2 and blade 106 are parallel, it can not blow fan and rotate, but because the face of joggling part 117 warpages, making wind is not parallel blowing on the face of joggling part 117, rotate so can continue to blow blade 104, rotate, therefore made full use of wind energy thereby drive fan, accelerate the rotating speed of agitation fan, improved the efficient of breaing up microwave.
Claims (6)
1. a stirring fan of microwave oven comprises fan shaft, reaches the fan that is connected with axle sleeve with fan shaft matched cylindrical axle sleeve; Fan shaft comprises the axle of air inducing dish and air inducing dish center projections; Axle with cooperate with axle sleeve, fan comprises that the fan main body of fan intermediate portion reaches a plurality of flabellums that extend to form from fan main body; One side of each flabellum forms blade to a side warpage; The central authorities of fan main body form axis hole; It is characterized in that the side warpage of an end of the close axis hole of each blade, form joggling part to the windward side.
2. stirring fan of microwave oven according to claim 1, the length that it is characterized in that joggling part is 1/3rd of length of blade.
3. stirring fan of microwave oven according to claim 1 and 2 is characterized in that joggling part is to 30 ° of blade windward side one side warpages.
According to claim 1 to described stirring fan of microwave oven, make progress 90 ° of warpages of any side that it is characterized in that each flabellum.
5. stirring fan of microwave oven according to claim 1 is characterized in that forming groove at the fan shaft bore edges to fan body interior radial depressions.
6. stirring fan of microwave oven according to claim 1, the outside lower end that it is characterized in that axle sleeve radially form the projection with the corresponding connection of above-mentioned groove laterally highlightedly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100697861A CN101956721A (en) | 2009-07-20 | 2009-07-20 | Stirring fan of microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100697861A CN101956721A (en) | 2009-07-20 | 2009-07-20 | Stirring fan of microwave oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101956721A true CN101956721A (en) | 2011-01-26 |
Family
ID=43484260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009100697861A Pending CN101956721A (en) | 2009-07-20 | 2009-07-20 | Stirring fan of microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101956721A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223293A (en) * | 2011-04-20 | 2013-07-31 | 林蒙 | Advanced air oxidation purification apparatus and spiral division disc thereof |
| CN104564809A (en) * | 2015-01-28 | 2015-04-29 | 王春 | Rear fan for motor |
| CN109668184A (en) * | 2018-12-28 | 2019-04-23 | 广东美的厨房电器制造有限公司 | Micro-wave oven |
-
2009
- 2009-07-20 CN CN2009100697861A patent/CN101956721A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223293A (en) * | 2011-04-20 | 2013-07-31 | 林蒙 | Advanced air oxidation purification apparatus and spiral division disc thereof |
| CN103223293B (en) * | 2011-04-20 | 2015-05-20 | 林蒙 | Advanced air oxidation purification apparatus and spiral division disc thereof |
| CN104564809A (en) * | 2015-01-28 | 2015-04-29 | 王春 | Rear fan for motor |
| CN109668184A (en) * | 2018-12-28 | 2019-04-23 | 广东美的厨房电器制造有限公司 | Micro-wave oven |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206300225U (en) | drawer microwave oven | |
| CN100370902C (en) | Electric-roasting oven | |
| CN102200304B (en) | Furnace body of microwave oven | |
| US20010032840A1 (en) | Microwave oven | |
| CN107019438B (en) | electric oven | |
| CN107830555B (en) | Micro-wave oven | |
| CN101956720A (en) | Agitating fan for microwave oven | |
| CN101956721A (en) | Stirring fan of microwave oven | |
| CN102003724A (en) | Energy-saving frying pan structure for microwave oven | |
| CN201964480U (en) | Microwave oven furnace body | |
| CN101839505A (en) | Flat plate microwave oven | |
| CN101737819A (en) | Microwave oven with fume extracting function | |
| CN102042620A (en) | Oven capable of realizing uniform heating | |
| CN101164373B (en) | Microware oven with a cooking air duct | |
| CN216147861U (en) | Air oven based on improve and toast air-burst efficiency design | |
| CN102235691A (en) | Ventilation structure of microwave oven cavity | |
| CN201318712Y (en) | Microwave oven | |
| KR20050077334A (en) | Wall mounted type microwave oven | |
| CN1979000A (en) | Microwave oven of hot-air convection heating apparatus | |
| KR200353573Y1 (en) | A cooling system of door in Electric oven | |
| CN107548180B (en) | Heating cooker | |
| KR20050102459A (en) | Microwave oven | |
| CN102037284A (en) | High frequency heating device with heater | |
| CN103807886A (en) | Microwave oven | |
| CN223111453U (en) | Cooking apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110126 |