CN1752550A - Air duct for bottom of microwave oven cavity - Google Patents
Air duct for bottom of microwave oven cavity Download PDFInfo
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- CN1752550A CN1752550A CN 200410072042 CN200410072042A CN1752550A CN 1752550 A CN1752550 A CN 1752550A CN 200410072042 CN200410072042 CN 200410072042 CN 200410072042 A CN200410072042 A CN 200410072042A CN 1752550 A CN1752550 A CN 1752550A
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- exhaust
- furnace chamber
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- wave oven
- guiding
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Abstract
The invented lower portion air channel of microwave oven cavity includes air suction positioned between ceramic plate and bottom plate of oven cavity for making air in the electric chamber be flowed into lower portion of oven cavity interior, air exhaust for discharging the air sucked from air suction, exhaust guide positioned in the left-lower side of oven cavity for guiding the air discharged from air exhaust and making the air be flowed toward the rear portion of microwave oven and rear panel with exhaust channel hole capable of making the discharged air be flowed toward rear position of microwave oven.
Description
Technical field
The invention relates to micro-wave oven, more particularly, is that flow air row prevents its structure to electricity storage chamber's adverse current to the micro-wave oven rear between ceramic wafer below the furnace chamber and furnace chamber base plate in order to make about a kind of.
Background technology
Generally, micro-wave oven is to generate microwave according to power turn-on at magnetron, and makes heating objects such as these microwave irradiation foods and the device of cooking food.
Such micro-wave oven can be divided into home-use micro-wave oven that is equipped with small-sized magnetron and the commerce micro-wave oven that is equipped with large-scale or a plurality of magnetrons.
In addition, micro-wave oven can also be distinguished according to the mode of heat food, and home-use micro-wave oven generally adopts the glass rotating disk mode of rotation food, the commercial stirring fan mode that mainly adopts microwave at random with micro-wave oven.
In addition, commercial mainly be applicable to the convenience store that utilization rate is high and the food supply retail shop of cooking food at short notice, so generally need the high relatively output of more home-use micro-wave oven with micro-wave oven.
Specify commercial structure below in conjunction with accompanying drawing with micro-wave oven (hereinafter to be referred as micro-wave oven).Fig. 1 is that the general commercial microwave oven oblique view, Fig. 2 used is diagram is separated the back state according to the ceramic wafer of prior art furnace chamber interior section oblique view.
Micro-wave oven comprises by the shell that forms outward appearance, furnace chamber 20, and electricity storage chamber 30, the door 40 that is located at furnace chamber 20 fronts constitutes.
Shell forms the micro-wave oven outward appearance, also plays the effect of the inner furnace chamber 20 of protection simultaneously.Therefore, shell generally will be made of the steel plate with certain intensity.
Such shell is that the center is provided with furnace chamber 20, and comprises the top panel 11 by the top and two sides that cover furnace chamber 20 simultaneously, the base plate 13 that protection is following, and the front panel 15 of formation furnace chamber 20 fronts, the rear board 17 at protection furnace chamber 20 back sides constitutes.
The inside of electricity storage chamber 30 is provided with a plurality of electronic units such as transformer 31, magnetron 33, centrifugal fan 35, capacitor 37.In addition, be provided with in the inside of electricity storage chamber 30 the air of electricity storage chamber 30 inside to the outside blast pipe 37 of discharging of micro-wave oven.The bottom surface of electricity storage chamber 30 is formed by sub-panel 39.
In a plurality of electronic units, transformer 31 and magnetron 33 are generated as the microwave of irradiation furnace chamber 20 inside.Electronic unit generates heat in the process that generates microwave, so in the time of cooking food, the temperature of electricity storage chamber 30 rises.
Need to suck extraneous air for the electricity storage chamber 30 of cooling off heating, so centrifugal fan 35 sucks extraneous air.
2 inside that specify furnace chamber 20 with reference to the accompanying drawings.
Above furnace chamber 20, more precisely, on the outside, be provided with waveguide 21.Waveguide 21 plays the effect to the microwave of magnetron 33 generations of 30 li of furnace chamber 20 internal transmission electricity storage chamber.Be provided with synchronous motor (M) in a side of waveguide 21 for the stirring fan (not shown) that will illustrate below driving.
Not only be provided with waveguide 21 above the outside of furnace chamber 20, and also be provided with waveguide 21 below the outside.If the upper and lower surface of furnace chamber 20 all is provided with waveguide 21, microwave shines furnace chamber 20 inside upward downwards and from the below from the top.
Though diagram is not provided with ceramic wafer below the inside of furnace chamber 20.In fact ceramic wafer forms the bottom surface of furnace chamber 20.Ceramic wafer is with the bottom surface of furnace chamber 20 specified altitude assignment of being separated by, and this is to realize by protruding support protrusion 21 upward in the bottom surface of furnace chamber 20.
Therefore, be formed with space specified between the bottom surface of furnace chamber 20 and the ceramic wafer.And, the stirring fan (not shown) that will illustrate below in the space, being provided with.To be formed with in order making in the perforation of the bottom surface of furnace chamber 20 and to stir fan and be connected intercommunicating pore 20a on the synchronous motor, and form the fixing hole 20b of promising fixedly stirring fan in the perforation of the left and right sides of intercommunicating pore 20a.
Stir fan and driven by the synchronous motor M below furnace chamber 20 outsides and rotate, can make the microwave that injects from waveguide 21 inner at random thus in electricity storage chamber 30.
In addition, square punch is formed with a plurality of suction holes 23 under the right side wall of furnace chamber 20, and square punch is formed with a plurality of steam vents 25 under the left side wall.
Suction hole 23 is communicated with the inner space of electricity storage chamber 30, and steam vent 25 is communicated with the outside, left side of electricity storage chamber 30.
Therefore, the air of electricity storage chamber 30 flows into the back from steam vent 25 discharges by suction hole 23.
But, following shortcoming is arranged in the prior art.
Rise from suction hole 23 inhaled airs temperature in the process of the electronic unit (especially, transformer 31 and magnetron 33) of cooling electricity storage chamber 30 inside.When the air that these temperature rise is discharged by steam vent 25 along the outside wall surface of furnace chamber 20 to electricity storage chamber's 30 adverse currents.
Both, the part of counter-flow air had flowed directly into centrifugal fan 35, and remainder is to electricity storage chamber's 30 diffusion inside.Therefore, the air that flows into 35 li of centrifugal fans does not cool off magnetron 33, heats magnetron on the contrary, and to the air heat transformer 31 of electricity storage chamber's 30 diffusion inside.
Summary of the invention
The present invention provides a kind of structure that prevents the air between furnace chamber and the ceramic wafer to electricity storage chamber's adverse current for solving the technical problem that exists in the above-mentioned technology.
The technical scheme that the present invention takes for the technical problem that exists in the above-mentioned technology of solution is:
The bottom air duct of micro-wave oven furnace chamber of the present invention, comprise the ceramic wafer that makes the electricity storage chamber air flow into below, furnace chamber inside and the air entry between the furnace chamber base plate, discharge is from the exhaust outlet of air entry inhaled air, it is characterized in that, the exhaust guiding of the air that side direction micro-wave oven rear guiding is discharged from exhaust outlet under the left side of furnace chamber, the rear board that is formed with for exhaust passage hole that the air of exhaust guiding guiding is discharged to the micro-wave oven rear constitutes; Exhaust guiding utilizes fixture to fix, and fixture constitutes by being positioned at the stiff end that supports accessory plate one side below the furnace chamber and protruding the fixing rib that forms in the exhaust guiding; Also be formed with in periphery one side of exhaust guiding and prevent to move projection, form the mobile hole that prevents that promising insertion prevents to move projection in the downside outside of furnace chamber.Exhaust passage hole is to connect rear board to form, and also is formed with the water infiltration at the upside of exhaust passage hole and prevents guiding.
According to the bottom air duct of above-mentioned formation, flow air utilizes exhaust guiding and exhaust passage hole row to the micro-wave oven rear between ceramic wafer and furnace chamber bottom surface.
Advantage and good effect that the present invention has are:
1) owing to arrange to the micro-wave oven rear by exhaust guiding and exhaust passage hole, can prevent outside furnace chamber towards electricity storage chamber's adverse current from the air of furnace chamber bottom exhaust outlet discharge.Therefore, the electronic unit of electricity storage chamber inside can be by the air heat of discharging from exhaust outlet, but the electronic unit steady running.
2) steady running of electronic unit can bring the normal operation of micro-wave oven, so can prevent the phenomenon that micro-wave oven in use requires function compensation.
3) exhaust passage hole of rear board tilts, and side is formed with the anti-locking apparatus of water infiltration thereon, so can prevent to flow into the microwave furnace interior along the water of rear board trickling.
Description of drawings
Fig. 1 is the general commercial microwave oven oblique view of using.
Fig. 2 is the furnace chamber interior section oblique view according to the ceramic wafer released state of prior art.
Fig. 3 is the micro-wave oven left side oblique view of the exhaust guiding installment state of bottom of the present invention air duct.
Fig. 4 is the oblique drawing of the state that the exhaust guiding of Fig. 3 is located at the exhaust outlet outside.
Fig. 5 is the exhaust guiding back side oblique view of Fig. 3.
Fig. 6 is the micro-wave oven back portion oblique view that the exhaust passage hole of formation bottom of the present invention air duct is formed on the rear board state.
Main symbol description
100: furnace chamber 110: exhaust outlet
130: prevent mobile hole 200: accessory plate
210: joggling part 230: stiff end
230a: be connected and fixed hole 300: exhaust guiding
310: guide part 330: export department
350: fixing rib 350a: through hole
400: rear board 450: exhaust passage hole
470: the water infiltration prevents guiding
The specific embodiment
For further understanding summary of the invention of the present invention, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
Fig. 3 is the micro-wave oven left side oblique view of the exhaust guiding installment state of diagram bottom of the present invention air duct, Fig. 4 is the oblique drawing of the state that the exhaust guiding of Fig. 3 is located at the exhaust outlet outside, Fig. 5 is the exhaust guiding back side oblique view of Fig. 3, and Fig. 6 is the micro-wave oven back portion oblique view that the exhaust passage hole of formation bottom of the present invention air duct is formed on the rear board state.
Micro-wave oven comprises by the shell that forms outward appearance, places the furnace chamber of cooking thing, is provided with the electricity storage chamber's formation into the various electronic units of control furnace chamber.Be provided with the door that opens and closes the furnace chamber inner space into selectivity in the front of furnace chamber.
Square punch is formed with the air entry that electricity storage chamber's air is flowed under the inside right side wall of furnace chamber, and square punch is formed with and makes the exhaust outlet to the furnace chamber outside by air entry leaked-in air row under left side wall.
As Fig. 3 and shown in Figure 4, below the left side of furnace chamber 100, be formed with exhaust 110, exhaust 110 and furnace chamber 100 internal communication.Both, the air of furnace chamber 100 inside was discharged by exhaust outlet 110.And square punch is formed with the mobile mobile hole 130 that prevents that prevents projection for illustrating below inserting on the right side of exhaust outlet 110.
Be installed in below the furnace chamber 100 the top of accessory plate 200 and with base plate 13 distance to a declared goal of being separated by.The place ahead of accessory plate 200 is fixed on the back side of front panel (not shown), the front of the rear board that will illustrate below the below is fixed on.
Be formed with the joggling part 210 of downward warpage at the place ahead of accessory plate 200 leading section, at inner the lead stiff end 230 of a side of the promising exhaust that will illustrate below fixing that forms of joggling part 210.In addition, be formed with in the inner perforated of stiff end 230 and be connected and fixed hole 230a.Stiff end 230 is parallel with the left side of furnace chamber 100, and its reason is: for the exhaust guiding that will illustrate below making is close to furnace chamber 100 left sides.
Be provided with exhaust guiding 300 in the front of exhaust outlet 110.Below with reference to Fig. 4 and Fig. 5 exhaust guiding 300 is described.
Exhaust guiding 300 is made of guide part 310 and export department 330.
The sectional area of export department 330 guide part 310 that compares is big, and plays the effect of the exhaust passage hole direction that the air row that makes guide part 310 guiding will illustrate below promptly to the micro-wave oven rear.
Lower end, guide part 310 middle part in exhaust guiding 300 is formed with fixing rib 350, and exhaust guiding 300 utilizes fixing rib 350 to be fixed on exhaust outlet 110 fronts.Form promising combination in the inner perforated of fixing rib 350 and be connected and fixed the through hole 350a that means are screw S.Fixing rib 350 is close to the stiff end 230 of accessory plate 200.
As shown in Figure 5, exhaust lead 300 back sides peripheral protrude be formed be inserted into that furnace chamber 100 prevents 130 li in mobile hole prevent to move projection 370.Prevent to move projection 370 and prevent that mobile hole 130 is corresponding, its reason is: mobile in order to prevent that exhaust guiding 300 is installed in exhaust outlet 110 backs.
Be provided with rear board 400 at the back side of furnace chamber 100.Specify the formation of rear board 400 below with reference to Fig. 4 and Fig. 6.
The below of plate 400 is formed with the link 410 that is fixed on base plate 13 back in the back, and has the hole of being connected and fixed 410a at link 410 both ends.Therefore, be connected and fixed screw S in the 410a of hole according to being connected and fixed, rear board 400 is fixed on base plate 13 rears.
The longitudinal end of plate 400 is formed with the joggling part 430 of warpage forwards in the back.Though do not illustrate, joggling part 430 is close to the internal face of top panel.The left end of plate 400 more particularly, is formed with a plurality of exhaust passage hole 450 below between furnace chamber 100 left surfaces and the joggling part 430 in the back.
Specify below with reference to Fig. 4 and Fig. 5 that exhaust guiding 300 is installed in furnace chamber 100 left sides is the process in exhaust 110 the place aheads.
With hand or after using clamp clamps exhaust guiding 300, when the left side of furnace chamber 100 is close at the back side of exhaust guiding 300 fixing rib 350 of exhaust guiding 300 is close to stiff end 230.At this moment, the through hole 350a of fixing rib 350 and the hole 230a that is connected and fixed of stiff end 230 are interconnected.Exhaust guiding 300 is close to the furnace chamber left side, prevents 130 li in mobile hole what exhaust led that 300 back sides protrude that preventing of forming move that projection 370 is inserted into furnace chamber 100 left sides.Prevent to move projection 370 and be inserted into and prevent 130 li in mobile hole, can prevent that exhaust guiding 300 from moving.
Afterwards, through hole 350a and being connected and fixed in the 230a of hole in conjunction with screw S makes the fixing firmer of exhaust guiding 300.
In addition, the following describes the furnace chamber lower passage that is equipped with exhaust guiding 300.
Though diagram is not provided with ceramic wafer below furnace chamber 100 inside, is formed with space specified between ceramic wafer and furnace chamber 100 bottom surfaces.And the wall below, right side of furnace chamber 100 is states that perforation is formed with air entry (not shown).The left side wall below perforation of furnace chamber 100 is formed with exhaust outlet 110.
In this state, air flows into space between ceramic wafer and furnace chamber 100 bottom surfaces by air entry from electricity storage chamber, and leaked-in air through stirring fan (not shown) row of interior volume rotation to exhaust outlet 110.
The air of discharging from exhaust outlet 110 is guided by the exhaust of front guiding 300, finally arranges to the micro-wave oven rear by the exhaust passage hole 450 of rear board 400.
Therefore, the air of discharging from exhaust outlet 110 can not prevent that the electronic unit of electricity storage chamber inside is heated to electricity storage chamber's adverse current.
The present invention is that the exhaust that is provided with the air of discharging from exhaust outlet 110 for guiding is directed to basic fundamental thought.Therefore, the those skilled in the art of the industry can have various deformation in basic fundamental thought range of the present invention.
Claims (6)
1, a kind of bottom air duct of micro-wave oven furnace chamber, comprise the ceramic wafer that makes the electricity storage chamber air flow into below, furnace chamber inside and the air entry between the furnace chamber base plate, discharge is from the exhaust outlet of air entry inhaled air, it is characterized in that, the exhaust guiding of the air that side direction micro-wave oven rear guiding is discharged from exhaust outlet under the left side of furnace chamber, the rear board that is formed with for exhaust passage hole that the air of exhaust guiding guiding is discharged to the micro-wave oven rear constitutes.
2, the bottom air duct of micro-wave oven furnace chamber according to claim 1 is characterized in that, the exhaust guiding utilizes fixture to fix
According to the bottom air duct of claim 1 or 2 described micro-wave oven furnace chambers, it is characterized in that 3, fixture constitutes by being positioned at the stiff end that supports accessory plate one side below the furnace chamber and protruding the fixing rib that forms in the exhaust guiding
4, according to the bottom air duct of claim 1 or 2 described micro-wave oven furnace chambers, it is characterized in that, also be formed with in periphery one side of exhaust guiding and prevent to move projection, form the mobile hole that prevents that promising insertion prevents to move projection in the downside outside of furnace chamber.
According to the bottom air duct of claim 1 or 2 described micro-wave oven furnace chambers, it is characterized in that 5, exhaust passage hole is to connect rear board to form.
6, according to the bottom air duct of claim 1 or 2 described micro-wave oven furnace chambers, it is characterized in that, also be formed with the water infiltration at the upside of exhaust passage hole and prevent guiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072042 CN1752550A (en) | 2004-09-21 | 2004-09-21 | Air duct for bottom of microwave oven cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072042 CN1752550A (en) | 2004-09-21 | 2004-09-21 | Air duct for bottom of microwave oven cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1752550A true CN1752550A (en) | 2006-03-29 |
Family
ID=36679506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072042 Pending CN1752550A (en) | 2004-09-21 | 2004-09-21 | Air duct for bottom of microwave oven cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1752550A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110509A (en) * | 2014-09-02 | 2017-08-29 | 三星电子株式会社 | Cooking equipment |
-
2004
- 2004-09-21 CN CN 200410072042 patent/CN1752550A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107110509A (en) * | 2014-09-02 | 2017-08-29 | 三星电子株式会社 | Cooking equipment |
| CN107110509B (en) * | 2014-09-02 | 2019-09-06 | 三星电子株式会社 | Cooking equipment |
| US10928073B2 (en) | 2014-09-02 | 2021-02-23 | Samsung Electronics Co., Ltd. | Cooking apparatus |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |