CN100455906C - Hood type microwave oven - Google Patents
Hood type microwave oven Download PDFInfo
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- CN100455906C CN100455906C CNB2004100726062A CN200410072606A CN100455906C CN 100455906 C CN100455906 C CN 100455906C CN B2004100726062 A CNB2004100726062 A CN B2004100726062A CN 200410072606 A CN200410072606 A CN 200410072606A CN 100455906 C CN100455906 C CN 100455906C
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- intercommunicating pore
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Abstract
The present invention discloses a hood type microwave oven which comprises an oven body, an electric control chamber, a cooking chamber, a centrifugal fan, a vent motor, a convection fan and a fan motor, wherein the electric control chamber is arranged in a space at one side of the inner part of the oven body, the cooking chamber is arranged in a space at the other side of the inner part of the oven body and is communicated with a first communicating hole in the oven body in the inner space of the oven body, the convection fan and the fan motor are arranged between one side of the cooking chamber and the inner wall face of the oven body, hot air in the cooking chamber generates convection by the first communicating hole, the space of the convection fan and the fan motor is provided with a partition plate which separates the space provided with the convection fan and the fan motor from the back space of the inner part of the oven body for outside air flow, and the partition plate is provided with a second communicating hole. The present invention can discharge the internal air, introduce the outside air, and carry out heat radiation fluently to prevent the fan motor from being damaged due to overheat in a maximum extent.
Description
Technical field
The invention relates to micro-wave oven, particularly a kind of hood type microwave oven.Particularly about the air flow system of hood type microwave oven.
Background technology
Usually, hood type microwave oven is arranged on the top of gas furnace or fuel gas oven etc., also has to discharge gas furnace or the hot gas of fuel gas oven generation or the degassing function of flue gas and smell etc. in the general utility functions of carrying out micro-wave oven.
Expressed the internal structure of hood type microwave oven among Fig. 1 to Fig. 3.That is, the hood type microwave oven of prior art comprises haply: the body of heater 10 that constitutes outward appearance; Be arranged on body of heater 10 inside, formed the cooking room 20 of heating clamber; Be provided with the exhaust motor 30 of centrifugal fan 31 with scavenging action; Being provided with the magnetron 41 of generation microwave and the electric control chamber of high-tension transformer 42 constitutes.
Here, the both sides, bottom surface of body of heater 10 are provided with the 1st air entry 11 from outside air to body of heater 10 inner spaces and the 2nd air entry 12 of introducing respectively, and rear on body of heater 10 (perhaps back upside) is provided with the exhaust outlet 13 of discharging the air that has passed through centrifugal fan 31.
And, be provided with the 1st demarcation strip 61 in the rear space of the installation electric control chamber in body of heater 10, make the air that enters by the 1st air entry 11 can not flow to the space of electric control chamber thus, and flow to the space that is provided with centrifugal fan 31.
Meanwhile, be provided with the 2nd demarcation strip 62 on the opposite side space in body of heater 10, make the air that enters by the 2nd air entry 12 can not flow to the lateral space of cooking room 20 thus, and flow to the space that is provided with centrifugal fan 31.
And cooking room 20 is arranged on a certain side space in the body of heater 10, and the opposite side spaces that above it and bottom surface extends in the body of heater 10 constitute electric control chamber.
And exhaust motor 30 is arranged on the edges and corners of upper end, rear in the body of heater 10, has the centrifugal fan 31 of driving, and the air that will enter by each air entry 11,12 on the body of heater 10 row is to the effect of outside.
And magnetron 41 and high-tension transformer 42 are separately positioned on electric control chamber inside.
Space between the bottom surface in cooking room 20 bottom central part positions and the body of heater 10 is provided with the electric rotating machine 70 of the rotating disk 21 that rotates cooking room 20 inside.
The operating state that regards to the hood type microwave oven of prior art design down describes.At first, in order to carry out the function of hood, during the hood type microwave oven running, exhaust motor 30 starts, and starts centrifugal fan 31 thus, and outside air enters inside by a pair of air entry 11,12 from body of heater 10 bottoms.
At this moment, enter the air of body of heater 10 inside under the guiding of the 1st demarcation strip 61 by the 1st air entry 11 that is positioned at the electric control chamber bottom in the air entry, flowing in the space at the electric control chamber rear in body of heater 10, and is arranged to body of heater 10 outsides by exhaust outlet 13 through centrifugal fan 31.
Meanwhile, the air that enters body of heater 10 inside by the 2nd air entry 12 with the space of the opposite side of the position that is provided with electric control chamber in flow, and through centrifugal fan 31 by exhaust outlet 13 rows to body of heater 10 outsides.
At this moment, flow into the guiding current downflow of the air of body of heater 10 inside by the 2nd air entry 12 at the 2nd demarcation strip 62.
If when hood type microwave oven was used for cooking food, its method of operation was identical with general micro-wave oven, therefore omit detailed explanation.
In order to make micro-wave oven possess various heat characteristics, be provided with heater 50 at cooking room 20 upsides.
Meanwhile, on cooking room 20 sides (with the position opposite that is provided with of electric control chamber), form the intercommunicating pore 22 that communicates with the body of heater inner space, on the position that is provided with intercommunicating pore 22, be provided with the fan electromotor 52 that possesses convection fan 51 simultaneously.
That is, utilize microwave to cook, utilizing the surface of heater 50 heat food simultaneously, thereby satisfying user's demand.
At this moment, convection fan 51 plays the effect that the hot gas that heater 50 is sent is distributed to whole cooking room 20 inside uniformly by convection current.
But, in the aforesaid hood type microwave oven, when driving fan electromotor 52 drivings of convection fan 51, himself produces more heat, when the high temperature hot gas of heating clamber inside was by convection fan 51 simultaneously, heating fan electromotor 52 caused the reduction of fan electromotor 52 performances.
Particularly, the described space that is provided with convection fan 51 and fan electromotor 52 not only completely cuts off with space outerpace, and does not form the air flow structure of cooling fan motor 52, and fan electromotor 52 performances will further reduce.
Summary of the invention
Technical problem to be solved by this invention is, a kind of hood type microwave oven is provided, and makes the heat radiation in the space that fan electromotor is set smooth more, prevents fan electromotor to damage owing to overheated thus.
To achieve these goals, the technical solution used in the present invention is: hood type microwave oven of the present invention comprises body of heater, electric control chamber, cooking room, centrifugal fan and exhaust motor, the convection fan of convection current and fan electromotor, body of heater constitutes the outward appearance of micro-wave oven, electric control chamber is arranged on the side space in the body of heater, cooking room is arranged on the opposite side space in the body of heater, a side in the cooking room two sides, several air ostiums are located on the side of electric control chamber, introduce air from the electric control chamber inner space, the 1st intercommunicating pore that cooking room opposite side middle body forms communicates with the body of heater inner space, centrifugal fan and exhaust motor are arranged on the upper end at body of heater rear, convection fan and fan electromotor are arranged between the face and inboard wall of furnace body face of the 1st intercommunicating pore of cooking room, make the hot gas of cooking room inside produce convection current by the 1st intercommunicating pore, it is characterized in that, space at convection fan and fan electromotor is provided with demarcation strip, the space that convection fan and fan electromotor are set is separated from the rear space of the body of heater inside that outside air flows, the 2nd intercommunicating pore is set on demarcation strip.
Be provided with flow deflector respectively on the 2nd intercommunicating pore of described demarcation strip, prevent that flow air flows in the space of convection fan and fan electromotor in the body of heater rear space.
Described flow deflector is shaped with the 2nd intercommunicating pore simultaneously by lancing processing.
It is identical with airflow flowing direction in the body of heater rear space that described flow deflector incline direction keeps.
Described flow deflector is at the position that the 2nd intercommunicating pore is set, and is recessed towards the interior volume that convection fan and fan electromotor are set.
In order to divide out from the upper space of body of heater in the space that will be provided with convection fan and fan electromotor, extend to the side in the body of heater above the cooking room, the position is provided with the 3rd intercommunicating pore arbitrarily thereon, and the upper space of body of heater and the space that is provided with convection fan and fan electromotor are communicated.
The front of the upper of furnace body that the position of described the 3rd intercommunicating pore is adjacent is provided with the 4th intercommunicating pore that sucks outside air.
By above explanation as can be known, beneficial effect of the present invention, in the hood type microwave oven of the present invention, structure has been improved in the space that has possessed convection fan and fan electromotor, make it can discharge inner air, and the introducing outside air, what described thus space can be smooth dispels the heat, and has prevented to the full extent because the overheated damage that causes of fan electromotor.
Description of drawings
Fig. 1 is the concise and to the point sectional view of the hood type microwave oven internal structure of prior art,
Fig. 2 is the sectional view of the I-I part of Fig. 1,
Fig. 3 is the sectional view of the II-II part of Fig. 1,
Fig. 4 is the concise and to the point sectional view of hood type microwave oven internal structure of the present invention,
Fig. 5 is the sectional view of the III-III part among Fig. 4.
Among the figure:
100: 101: the 4 intercommunicating pores of body of heater
200: 220: the 1 intercommunicating pores of cooking room
230: 231: the 3 intercommunicating pores of extended structure
600: 610: the 2 intercommunicating pores of demarcation strip
620: flow deflector
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail: the embodiment that hood type microwave oven of the present invention is described below in conjunction with Fig. 4 and Fig. 5.Hood type microwave oven comprises body of heater 100 and cooking room 200 and convection fan 51 and fan electromotor 52, demarcation strip 600 haply.
Here, body of heater 400 constitutes the outward appearance of hood type microwave ovens, possesses electric control chamber on the side space of its inside, has possessed the suction that is used for air and the centrifugal fan 31 and the scavenger fan 30 of discharge on its top, rear.
And cooking room 200 is arranged on the opposite side space of body of heater 10 inside.A side in cooking room 200 two sides, several air ostiums 210 are located on the side of electric control chamber, introduce air from the electric control chamber inner space.Meanwhile, cooking room 200 opposite side middle bodies have formed the 1st intercommunicating pore 220 that communicates with body of heater 100 inner spaces.
And convection fan 51 and fan electromotor 52 are arranged between the face and body of heater 100 internal faces of the 1st intercommunicating pore 220 of cooking room 200, make hot gas be provided to gratin uniformly by the 1st intercommunicating pore 220 thus.
At this moment, possessed the long extended structure 230 that extends to body of heater 100 sides that the space that will possess convection fan 51 and fan electromotor 52 separates from body of heater 100 upper spaces above the cooking room 200.
And, demarcation strip 600 is arranged on the space of convection fan 51 and fan electromotor 52, the external world is flowed into the air of convection fan 51 and fan electromotor 52, and the rear spaces in body of heater 100 are separated, and form several the 2nd intercommunicating pores 610 that are communicated with each space on its regulation position.
On each intercommunicating pore 610 of demarcation strip 600, be provided with flow deflector 620 respectively.
At this moment, flow deflector 620 adopts lancing (lancing) modes to process, and each the 2nd intercommunicating pore 610 is in lancing moulding engineering, the process of each flow deflector 620 of moulding simultaneously.
That is, consider air mobile be rear from body of heater 100 bottoms towards body of heater 100 tops, flow deflector 620 should also tilt to the rear on body of heater 100 tops.
This is to flow towards the space that convection fan 51 and fan electromotor 52 are set by the 2nd intercommunicating pore 610 in rear, body of heater 100 top flow air in order to prevent, thereby avoids convection fan 51 and fan electromotor 52 by airborne contaminating impurity.
And, in an embodiment of the present invention, in order to prevent that to the full extent contaminated air from flowing in the space of convection fan 51 and fan electromotor, demarcation strip 600 is at the position that has formed the 2nd intercommunicating pore 610, and is recessed towards the space of convection fan 51 and fan electromotor 52.
This is to flow in order farthest to strengthen the air that rises along body of heater 100 rear space, thereby prevents that air from flowing into the position that the 2nd intercommunicating pore 610 forms.
As previously mentioned, above-mentioned a series of structures mainly are the outsides that is discharged to for the hot gas smoothness of the inside that will be provided with fan electromotor 52, when micro-wave oven is carried out the function of hood simultaneously, prevent that again extraneous contaminated air from flowing into the inside in described space.
And, more smooth and easy among the present invention for the heat radiation that makes convection fan 51 and fan electromotor 52, on cooking room 200 extended structures 230, be provided with the 3rd intercommunicating pore 231 that is communicated with body of heater 100 upper spaces and has possessed convection fan 51 and fan electromotor 52.
At this moment, being provided with on position and adjacent body of heater 100 upper front of the 3rd intercommunicating pore 231 is provided with the 4th intercommunicating pore 101, introduces outside air.
The composition of the 3rd intercommunicating pore 231 and the 4th intercommunicating pore 101 mainly is to be purpose in the space that prevents contaminated air inflow convection fan 51 and fan electromotor 52, improves the radiating efficiency of fan electromotor 52 thus.
Process to cooking food in the embodiment of the invention is described in detail below.Title for the symbol identical with identical in the past structure use.At first, start micro-wave oven under the state of cooking room 200 inner input foods, this moment, magnetron 41 generation microwaves provided it to the heating clamber cooking room.
Thus, the food of described cooking room inside is cooked under the effect of microwave.
At this moment, by the electric control chamber leaked-in air in the body of heater 100, by air ostium 210 inflow cooking rooms 200 inside of cooking room 200.
Meanwhile, described air is flowed on the food under the effect of convection fan 51 uniformly by heater heating back.
And in the way that described cooking process carries out, under the driving of exhaust motor 32, centrifugal fan 31 rotations are by air entry 11, the 12 suction outside airs of body of heater 100 bottom surfaces.
At this moment, the air that is inhaled into is rising on the proceeds posterolateral space of body of heater 100 inside under the guiding of demarcation strip 600, is discharged to body of heater 100 outsides by exhaust outlet 13 then.
In such process,, the body of heater 100 private side rear space of air draught are promptly arranged and possess between the body of heater 100 private side front space of fan electromotor 52 to produce draught head by two spaces that demarcation strip 600 separates.
Thus, the air of the interior volume of fan electromotor 52 converges by the 2nd intercommunicating pore 220 of formation on the demarcation strip 600 and the air-flow of the proceeds posterolateral in the body of heater 100.
Thus, can dispel the heat, thereby avoid fan electromotor 52 because the overheated damage that causes for the space that possesses fan electromotor 52.
Particularly, aforesaid a series of processes carry out in the middle of, outside air flows into bodies of heater 100 inside by the 4th intercommunicating pore 101 that forms on body of heater 100 upper front, and leaked-in air continues to flow into the space that possesses fan electromotor 52 by the 3rd intercommunicating pore 231.
Thus, utilize extraneous air to cool off, thereby fan electromotor 52 can smooth more dispelling the heat for the space that possesses fan electromotor 52.
Claims (7)
1. hood type microwave oven, comprise body of heater, electric control chamber, cooking room, centrifugal fan and exhaust motor, the convection fan of convection current and fan electromotor, body of heater constitutes the outward appearance of micro-wave oven, electric control chamber is arranged on the side space in the body of heater, cooking room is arranged on the opposite side space in the body of heater, a side in the cooking room two sides, several air ostiums are located on the side of electric control chamber, introduce air from the electric control chamber inner space, the 1st intercommunicating pore that cooking room opposite side middle body forms communicates with the body of heater inner space, centrifugal fan and exhaust motor are arranged on the upper end at body of heater rear, convection fan and fan electromotor are arranged between the face and inboard wall of furnace body face of the 1st intercommunicating pore of cooking room, make the hot gas of cooking room inside produce convection current by the 1st intercommunicating pore, it is characterized in that, space at convection fan and fan electromotor is provided with demarcation strip, and the space that convection fan and fan electromotor are set is separated from the rear space of the body of heater inside that outside air flows, and the 2nd intercommunicating pore is set on demarcation strip.
2. hood type microwave oven according to claim 1 is characterized in that, is provided with flow deflector respectively on the 2nd intercommunicating pore of described demarcation strip, prevents that flow air flows in the space of convection fan and fan electromotor in the body of heater rear space.
3. hood type microwave oven according to claim 2 is characterized in that, described flow deflector is shaped with the 2nd intercommunicating pore simultaneously by lancing processing.
4. hood type microwave oven according to claim 2 is characterized in that, it is identical with airflow flowing direction in the body of heater rear space that described flow deflector incline direction keeps.
5. hood type microwave oven according to claim 2 is characterized in that, described flow deflector is at the position that the 2nd intercommunicating pore is set, and is recessed towards the interior volume that convection fan and fan electromotor are set.
6. hood type microwave oven according to claim 1, it is characterized in that, in order to divide out from the upper space of body of heater in the space that will be provided with convection fan and fan electromotor, extend to the side in the body of heater above the cooking room, the position is provided with the 3rd intercommunicating pore arbitrarily thereon, and the upper space of body of heater and the space that is provided with convection fan and fan electromotor are communicated.
7. hood type microwave oven according to claim 6 is characterized in that, the front of the upper of furnace body that the position of described the 3rd intercommunicating pore is adjacent is provided with the 4th intercommunicating pore that sucks outside air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100726062A CN100455906C (en) | 2004-11-03 | 2004-11-03 | Hood type microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100726062A CN100455906C (en) | 2004-11-03 | 2004-11-03 | Hood type microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1769777A CN1769777A (en) | 2006-05-10 |
| CN100455906C true CN100455906C (en) | 2009-01-28 |
Family
ID=36751235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100726062A Expired - Fee Related CN100455906C (en) | 2004-11-03 | 2004-11-03 | Hood type microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100455906C (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351242A (en) * | 2000-11-01 | 2002-05-29 | Lg电子株式会社 | Hood for microwave oven |
| CN1361386A (en) * | 2000-12-28 | 2002-07-31 | Lg电子株式会社 | Apparatus for cooling electrical equipment of air exhaust hood type microwave oven |
| KR20040061135A (en) * | 2002-12-30 | 2004-07-07 | 엘지전자 주식회사 | microwave oven with a function of hood |
| KR20040061126A (en) * | 2002-12-30 | 2004-07-07 | 엘지전자 주식회사 | microwave oven with a function of hood |
| KR20040061127A (en) * | 2002-12-30 | 2004-07-07 | 엘지전자 주식회사 | microwave oven with a function of hood |
-
2004
- 2004-11-03 CN CNB2004100726062A patent/CN100455906C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1351242A (en) * | 2000-11-01 | 2002-05-29 | Lg电子株式会社 | Hood for microwave oven |
| CN1361386A (en) * | 2000-12-28 | 2002-07-31 | Lg电子株式会社 | Apparatus for cooling electrical equipment of air exhaust hood type microwave oven |
| KR20040061135A (en) * | 2002-12-30 | 2004-07-07 | 엘지전자 주식회사 | microwave oven with a function of hood |
| KR20040061126A (en) * | 2002-12-30 | 2004-07-07 | 엘지전자 주식회사 | microwave oven with a function of hood |
| KR20040061127A (en) * | 2002-12-30 | 2004-07-07 | 엘지전자 주식회사 | microwave oven with a function of hood |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1769777A (en) | 2006-05-10 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090128 Termination date: 20091203 |