CN1502852A - Air flow system for microwave oven - Google Patents
Air flow system for microwave oven Download PDFInfo
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- CN1502852A CN1502852A CNA021531064A CN02153106A CN1502852A CN 1502852 A CN1502852 A CN 1502852A CN A021531064 A CNA021531064 A CN A021531064A CN 02153106 A CN02153106 A CN 02153106A CN 1502852 A CN1502852 A CN 1502852A
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Abstract
The present invention relates to an air flowing system for built-in type microwave oven, and its structure includes: air suction grate placed on the upper end portion of front surface of microwave oven for sucking exterior air; vertical hexahedral heating chamber in which the object to be heated can be placed; air discharge motor mounted on the rear end of upper portion of the heating chamber for sucking exterior air by means of air suction grate; electric control chamber component placed in the electric control chamber positioned in inside of air suction grate and in the upper portion of ehating chamber; back air flowing channel formed between back surface plate of heating chamber device and back surface of the heating chamber; bottom surface air flowing channel formed between bottom plate of microwave oven and bottom surface of heating chamber; and air discharge grate mounted in lower end of front surface of microwave oven.
Description
Technical field
The present invention relates to mobile (AIRFLOW) system of air of a kind of micro-wave oven.Relate in particular to a kind of air flow system with micro-wave oven of following effect: can improve cooling effect, make cooling device simplify the structure, reduce product cost.
Background technology
Micro-wave oven is the electric current generation microwave (MICROWAVE) by supply, by the microwave device that irradiation is heated to the heating target thing.
Fig. 1 demonstrates the orthogonal view of each part of micro-wave oven.
Above-mentioned micro-wave oven is to the heating of heating target thing, and mainly the microwave that will produce by the magnetron (MAGNETRON) 1 that is arranged in the electric control chamber 7 forms to the heating clamber internal irradiation.By antenna (ANTENNA) and waveguide (WAVEGUIdE), above-mentioned microwave irradiation is to the inside of heating clamber.In order to produce above-mentioned microwave, magnetron need connect 4000 volts of above high voltage sourcies, also needs to be provided with high-tension transformer (TRANSFORMER) 2 in order to produce above-mentioned high voltage source.Because high-tension transformer 2 produces high pressure and magnetron 1 generation microwave all consumes very high energy, so there is the machine part superheating phenomenon, therefore need cool off above-mentioned parts.
In addition, heater 4 and heater 5 also are installed in the existing micro-wave oven.Above-mentioned heater 4 and heater 5 produce heat as the assisted heating device beyond the microwave heating equipment, the heat flow of its generation is to the inside of heating clamber, the heating target thing is heated, but need to guarantee that the heat of heater generation can flow to the inside of heating clamber swimmingly.
Along with the rising to the heating-up temperature of heating target thing, it is big that the air moisture of placing the heating clamber inside of heating target thing contains quantitative change.Because heating clamber contacts by the low extraneous air of wall and temperature, can cause like this having the globule on the inwall of heating clamber and the door for microwave oven and the inside that can't see heating clamber clearly, so the air of heating clamber inside and extraneous air are circulated.
So, for micro-wave oven, in order to cool off electric control chamber parts such as above-mentioned magnetron 1, high-tension transformer 2, heater 4 and heater 5 effectively, for flowing, the air that makes air-breathing and exhaust do not make troubles to the user, to simplify the structure, reduce cost, the design air running system is extremely important.
But for the internally-arranged type micro-wave oven that is directly installed on the wall of kitchen, general snugly fitting on the wall as the part of kitchen furniture in the architectural process of building used.In these cases, because micro-wave oven closely is attached to each side of kitchen wall, so can't carry out air-breathing and exhaust by the backplate of micro-wave oven or the side of external box of microvave at the air of micro-wave oven inner loop.In these cases, has only the air that contains heat and moisture from the front suction and the discharge of micro-wave oven.
But,, need to set air flow passage with following effect owing to contain heat and moisture at the air of micro-wave oven inner loop.That is, make and carry out air-breathing in the front of micro-wave oven and exhaust can not made troubles to the user, not only safety but also discharge air effectively.
As shown in Figure 1, the suction of the air of the internally-arranged type micro-wave oven of prior art is that the inspiratory gate 9a by positive upper end carries out, and the discharge of air is that the exhaust grid 9b by positive lower end carries out.The portion of air that sucks by above-mentioned inspiratory gate 9a is sent in the electric control chamber 7 through cooling fan 6a (above-mentioned cooling fan 6a is provided with in the electric control chamber of the right-hand end of micro-wave oven in the accompanying drawings), and portion of air is sent in the side air flow passage 8 by exhaust motor 6b (above-mentioned exhaust motor 6b is provided with the left end of micro-wave oven upper end in the accompanying drawings) in addition.
Below, the air flow system that produces by said structure is elaborated.That is to say, cool off electric control chamber 7 through the cooling fan 6a that is arranged in the electric control chamber 7 by the portion of air that above-mentioned inspiratory gate 9a sucks.Cool off the air behind the above-mentioned electric control chamber 7, a part sends heating clamber inside 3 to by heating clamber air entry 3a, another part sends upper portion heater cooling channel 8a to by the heater cooling fan 6c of cooling upper portion heater 4, and a remaining part sends lower heater cooling channel 8c to by lower heater cooling fan 6d.
Flow into the air of heating clamber inside by the heating clamber air entry 3a of above-mentioned electric control chamber, after heating clamber 3 inner loop, the heat that is containing moisture and absorption flows out heating clamber by the heating clamber exhaust outlet 3b above the above-mentioned heating clamber 3, the exhaust motor 6b that is set at micro-wave oven upper end one side sucks the back to be mixed with the extraneous air that flows into from inspiratory gate 9a, flow in the side air flow passage 8, flow in the air flowing access 8d of bottom surface through above-mentioned side air flow passage 8 again.
The effect that is positioned at the exhaust motor 6b on one side, micro-wave oven upper end is that mixing sends mixed air to side air flow passage 8 from the extraneous air of inspiratory gate suction and the air of circulation heating clamber 3.In addition, the heater cooling fan 6c and the cooling fan 6d that are positioned at the top and the bottom of electric control chamber suck the air that flow into electric control chamber, and sending air to upper portion heater cooling channel 8a and lower heater cooling channel 8c respectively, cooling is positioned at the heater of upper and lower part.
After flowing into the air cooling upper portion heater 4 of upper portion heater cooling channel 8a, mix with the air of the above-mentioned side air flow passage 8 of process at bottom surface air flowing access 8d through medial surface air flowing access 8b.After flowing into the air cooling lower heater 5 of lower heater cooling channel 8c, mix with the air of process side air flow passage 8 at bottom surface air flowing access 8d.The air of the above-mentioned bottom surface air flowing access 8d of process is discharged to the outside by the exhaust grid 9b of micro-wave oven lower end.
But the air flow system with micro-wave oven of said structure has following shortcoming.
That is to say, air flow passage includes cooling motor and electric control chamber cooling fan that is positioned at one side, upper end and a plurality of blowing fans and the air supply motors such as heater cooling fan that is used to cool off heater, not only make the air flow passage complexity, and need a lot of expenses to improve product cost for each parts is installed.
Summary of the invention
The objective of the invention is: for the internally-arranged type micro-wave oven, make to produce simplifying the structure of the mobile cooling device of above-mentioned air, reduce product cost.
Another object of the present invention is: for the internally-arranged type micro-wave oven, set the air flow passage smoothly in the micro-wave oven, guarantee that the effective cooling of electric control chamber parts and the inside of heating clamber obtain effective air circulation.
In order to reach purpose of the present invention, the invention provides a kind of air flow system of micro-wave oven, comprise inspiratory gate, heating clamber, exhaust motor device, electric control chamber parts, back side air flowing access, bottom surface air flowing access and exhaust grid, it is characterized in that: above-mentioned inspiratory gate is arranged on the upper end in micro-wave oven front, sucks air outside; Place the heating target thing in the above-mentioned heating clamber of lineal hexahedral shape; Above-mentioned exhaust motor device is arranged on the rear end above the heating clamber, sucks extraneous air by above-mentioned inspiratory gate; Above-mentioned electric control chamber parts are set in place in the electric control chamber above the inboard heating clamber of above-mentioned inspiratory gate; Above-mentioned back side air flowing access is formed between the backplate and the heating clamber back side of above-mentioned heating clamber device, as transmit the path that sucks air from above-mentioned inspiratory gate by above-mentioned exhaust motor device; Above-mentioned bottom surface air flowing access is formed between bottom plate of microwave oven and the bottom of heating chamber, is connected with above-mentioned back side air flowing access; Above-mentioned exhaust grid are arranged on the lower end in micro-wave oven front, and the air of above-mentioned bottom surface air flowing access is discharged to the outside.
In the present invention, in order to be communicated with the inside of above-mentioned electric control chamber and heating clamber, be arranged on the heating clamber exhaust outlet above the heating clamber on.
In the present invention, for inside and the above-mentioned back side air flowing access that makes above-mentioned heating clamber is interconnected, the heating clamber air entry is arranged on the heating clamber back side.
The air flow system of micro-wave oven provided by the invention can bring following effect:
In the present invention, because the hot-air that contains moisture that flows out from heating clamber mixes with the extraneous air that exhaust motor device 14 sucks in the upper end that is positioned at inspiratory gate 10a, by discharging through the bottom surface after the back side air flowing access 16, so reduced the temperature and humidity of air, made troubles can for the user who cooks.
Another effect of the present invention is, oval tubular exhaust motor device 14 is set in place back, upper end in the micro-wave oven inspiratory gate, not only improved the air velocity of circulation microwave furnace interior, but also can prevent to reduce, improved cooling effect because of eddy current causes the flow velocity of air.
Another effect of the present invention is, the exhaust motor device is arranged on the back, can make air pass through inspiratory gate sucks fast, can be successfully the electric control chamber and the heater on top be cooled off, the heating clamber exhaust outlet 11b of 11c can form the suction to the heating clamber inner air above heating clamber, scavenger fan need not be set separately, form the simplification of structure.
In the present invention, in order to cool off heater and electric control chamber independent cooling motor and cooling fan need not be set, the exhaust motor device 14 that drum only is set in the micro-wave oven upper rear end just can reach good cooling effect, not only make to simplify the structure, and saved the expense that is used to be provided with above-mentioned scavenger fan and exhaust motor.
Description of drawings
Fig. 1 demonstrates the orthogonal view of air flow system of internally-arranged type (BUILT-IN TYPE) micro-wave oven of prior art;
Fig. 2 demonstrates the oblique view of micro-wave oven of the present invention;
Fig. 3 demonstrates the side view of micro-wave oven of the present invention;
Fig. 4 demonstrates the plane that air of the present invention flows.
The critical piece description of reference numerals
10: heating clamber device (CAVITY ASSEMBLY) 10a: inspiratory gate (GRILL)
10b: exhaust grid 11: heating clamber
11a: heating clamber air entry 11b: heater exhaust outlet
12: electric control chamber 13a, 13b: external box of microvave
13c: base plate (BASE PLATE) 14: exhaust motor device
16: back side air flowing access 18: the bottom surface air flowing access
The specific embodiment
With reference to the accompanying drawings, the example structure to the air flow system of micro-wave oven of the present invention is elaborated.
Fig. 2 demonstrates the oblique view of micro-wave oven of the present invention, and Fig. 3 demonstrates the side view of micro-wave oven of the present invention.
Among the embodiment that Fig. 2 and Fig. 3 demonstrate, the electric control chamber 12 of micro-wave oven 11c and above the external box of microvave between the 13a on heating chamber for microwave oven.Include following structure in the above-mentioned electric control chamber 12: magnetron 2a, high-tension transformer 2b and waveguide 2c.Above-mentioned magnetron 2a produces microwave; Above-mentioned high-tension transformer 2b produces and makes above-mentioned magnetron 2a produce the required high-tension current of microwave; The microwave that above-mentioned waveguide 2c produces above-mentioned magnetron 2a is directed to the inside of heating clamber.In the following description magnetron 2a, high-tension transformer 2b and waveguide 2c are called the electric control chamber parts.
In the foregoing description, the inspiratory gate 10a that is formed with the suction extraneous air on the whole of upper end, micro-wave oven front; The positive lower end of micro-wave oven be formed with exhaust grid 10b on the whole, the air after the heating clamber inner loop is discharged by above-mentioned exhaust grid 10b.
The central authorities of micro-wave oven are formed with heating clamber 11; The outside rearward end of 11a is provided with the exhaust motor device 14 of oval tubular above the heating clamber, and the effect of above-mentioned exhaust motor device 14 is to send back side air flowing access 16 to by inspiratory gate 10a leaked-in air.In addition, be formed with electric control chamber 12 above the above-mentioned heating clamber on the 11a, be provided with electric-controlled parts in the above-mentioned electric control chamber 12.Because above-mentioned exhaust motor device 14 is arranged on the back of above-mentioned electric control chamber 12, so in the suction process of air, formed the structure of the electric-controlled parts of cooling electric control chamber 12.
Back side air flowing access 16 is formed between the back side 11d of the backplate 13b of heating clamber device 10 and heating clamber.The bottom of above-mentioned back side air flowing access 16 and be formed on base plate 13c and be connected with bottom surface air flowing access 18 between the bottom of heating chamber 11E can make the air by above-mentioned back side air flowing access 16 discharge to the outside by exhaust grid 10b through above-mentioned bottom surface air flowing access 18.
Above-mentioned exhaust motor device 14 is positioned at rear end, micro-wave oven upper end, not only can suck air swimmingly by inspiratory gate, and can be swimmingly to back side air flowing access 16 guiding inhaled airs.
That is to say, suppose the exhaust motor device is arranged on the situation of the electric control chamber parts front of electric control chamber, at this moment, guide into the internal procedure of electric control chamber 12 from inspiratory gate 10a inhaled air, the basal area that air flows can be become gradually along inside greatly, can cause the flow velocity of air to reduce in the ramification point that enters back side air flowing access 16 and heating clamber air entry 11a.In addition, very fast from the air that exhaust motor device 14 transmits in electric control chamber 12 front end flowing velocities, above-mentioned quick flow air and the electric control chamber parts back that bumps produces reciprocal air and flows, and after flow air is collided mutually, forms the eddy current that circles round in the original place in the other direction.The generation of above-mentioned eddy current hinders the air circulation of micro-wave oven inside.Finally, exhaust motor device 14 is arranged under the situation of electric control chamber parts front of electric control chamber 12 air circulation that can hinder micro-wave oven inside because of the generation of eddy current.
Fig. 4 demonstrates the plane that air of the present invention flows.
As shown in Figure 4, in the present embodiment, exhaust motor device 14 is arranged under the situation of rear end, upper end of micro-wave oven and since according to plane on V word similar shapes suck air, the basal area of the air bolus air velocity that diminishes accelerates near exhaust motor device 14.In addition, the air that flows out from exhaust motor device 14 is the ramification point of the air entry 11a of air flowing access 16 and heating clamber overleaf, and flow velocity can make the air circulation of micro-wave oven inside carry out swimmingly towards bottom surface air flowing access 18 transmission air soon.
In addition, because slow, the amount of eddy current of the collision generation of each parts in air and the electric control chamber 12 is minimized, make the circulation of air can improve cooling effectiveness swimmingly at the flow velocity of the space air of above-mentioned electric control chamber 12 fronts.
In the present embodiment, when sucking extraneous air, above-mentioned exhaust motor device 14 forms cooling, cooling settings is at the electric control chamber parts of exhaust motor device 14 fronts, also can keeping fast in the back of electric control chamber 12, air flows, improved cooling effect, the scavenger fan (EXHAUST FAN) and the exhaust motor that need not additionally adopt in order to cool off electric-controlled parts and heater.
Below, the heating clamber air entry 11a of the air circulation that is used for heating clamber 11 inside and the structure of heating clamber exhaust outlet 11b are elaborated.Above-mentioned heating clamber air entry 11a is positioned at the rear end of exhaust motor device 14, top at heating clamber back side 11d is connected with back side air flowing access 16, can make the inside that flow into heating clamber along above-mentioned back side air flowing access 16 flow air swimmingly.
The place ahead of above-mentioned heating clamber exhaust outlet 11b 11c on the heating clamber that sucks extraneous air from exhaust motor device 14 by inspiratory gate is connected with electric control chamber 12, by above-mentioned exhaust motor device 14 suction the exhaust of heating clamber is carried out swimmingly.
Below, the air flow passage of the air flow system of micro-wave oven of the present invention with said structure is elaborated.
In the above-described embodiments, air outside is deflated electric machine 14 by inspiratory gate 10a and sucks, the electric control chamber parts of cooling electric control chamber 12, the air that is inhaled into sends heating clamber air entry 11a and back side air flowing access 16 in the heating clamber 11 to by above-mentioned exhaust motor device 14.At this moment, because near above-mentioned back side air flowing access 16 air velocitys above-mentioned exhaust motor device 14 are very fast,, the air of and air flowing access 16 bottoms, the above-mentioned back side inner to heating clamber can carry out swimmingly so flowing into.
By the air of above-mentioned back side air flowing access 16, the bottom surface air flowing access 18 of process micro-wave oven lower end flows out to exhaust grid 10b.At this moment, the air that contains moisture and heat through above-mentioned heating clamber 11 inside is discharged by heating clamber exhaust outlet 11b, the front end of above-mentioned exhaust motor device 14 mix with extraneous air flow in heating clamber 11 and the back side air flowing access 16 after, discharge to exhaust grid 10b through bottom surface air flowing access 18.
In addition, in said process, the air that contains moisture and heat of above-mentioned heating clamber 11 inner loop can mix with forming from outside inhaled air, discharge to exhaust grid 10b by above-mentioned back side air flowing access 16 and bottom surface air flowing access 18, can be cooled fully, even also can not make troubles to the user to positive discharge of micro-wave oven.
Up to the present, though be that the center has been described in detail with embodiments of the invention, the personnel that have general knowledge in the technical field of the invention can propose a lot of distortion in basic fundamental thought range of the present invention.Basic fundamental thought of the present invention is embodied in the scope that claim asks for protection, and all differences point in the equal with it scope all should be interpreted as belonging to scope of the present invention.
Claims (3)
1, a kind of air flow system of micro-wave oven, comprise inspiratory gate (10a), heating clamber (11), exhaust motor device (14), electric control chamber parts, back side air flowing access (16), bottom surface air flowing access (18) and exhaust grid (10b), it is characterized in that:
Above-mentioned inspiratory gate (10a) is arranged on the upper end in micro-wave oven front, sucks air outside;
Place the heating target thing in the above-mentioned heating clamber (11) of lineal hexahedral shape;
Above-mentioned exhaust motor device (14) is arranged on the rear end of (11c) above the heating clamber, sucks extraneous air by above-mentioned inspiratory gate (10a);
Above-mentioned electric control chamber parts are set in place in the electric control chamber (12) above the inboard heating clamber of above-mentioned inspiratory gate (10a);
Above-mentioned back side air flowing access (16) is formed between the backplate (13b) and the heating clamber back side (11d) of above-mentioned heating clamber device (10), as the path that transmits by above-mentioned exhaust motor device (14) from above-mentioned inspiratory gate (10a) inhaled air;
Above-mentioned bottom surface air flowing access (18) is formed between bottom plate of microwave oven (13c) and the bottom of heating chamber (11E), is connected with above-mentioned back side air flowing access (16);
Above-mentioned exhaust grid (10b) are arranged on the lower end in micro-wave oven front, and the air of above-mentioned bottom surface air flowing access (18) is discharged to the outside.
2, the air flow system of micro-wave oven according to claim 1 is characterized in that:
In order to be communicated with the inside of above-mentioned electric control chamber (12) and heating clamber (11), heating clamber exhaust outlet (11b) is arranged on above the heating clamber on (11c).
3, the air flow system of micro-wave oven according to claim 1 and 2 is characterized in that:
For inside and the above-mentioned back side air flowing access (16) that makes above-mentioned heating clamber (11) is interconnected, heating clamber air entry (11a) is arranged on the heating clamber back side (11d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153106 CN1270131C (en) | 2002-11-26 | 2002-11-26 | Air flow system for microwave oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02153106 CN1270131C (en) | 2002-11-26 | 2002-11-26 | Air flow system for microwave oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1502852A true CN1502852A (en) | 2004-06-09 |
| CN1270131C CN1270131C (en) | 2006-08-16 |
Family
ID=34234928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02153106 Expired - Fee Related CN1270131C (en) | 2002-11-26 | 2002-11-26 | Air flow system for microwave oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1270131C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388271A (en) * | 2009-04-28 | 2012-03-21 | 夏普株式会社 | Cooking device |
| CN107846743A (en) * | 2017-10-30 | 2018-03-27 | 广东美的厨房电器制造有限公司 | Microwave heating equipment |
| TWI670450B (en) * | 2017-02-23 | 2019-09-01 | 日商松下知識產權經營股份有限公司 | Heating conditioner |
| CN110652219A (en) * | 2018-06-28 | 2020-01-07 | 佛山市顺德区美的电热电器制造有限公司 | Baking appliance |
-
2002
- 2002-11-26 CN CN 02153106 patent/CN1270131C/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102388271A (en) * | 2009-04-28 | 2012-03-21 | 夏普株式会社 | Cooking device |
| CN102388271B (en) * | 2009-04-28 | 2014-08-13 | 夏普株式会社 | Cooking device |
| TWI670450B (en) * | 2017-02-23 | 2019-09-01 | 日商松下知識產權經營股份有限公司 | Heating conditioner |
| CN107846743A (en) * | 2017-10-30 | 2018-03-27 | 广东美的厨房电器制造有限公司 | Microwave heating equipment |
| CN110652219A (en) * | 2018-06-28 | 2020-01-07 | 佛山市顺德区美的电热电器制造有限公司 | Baking appliance |
| CN110652219B (en) * | 2018-06-28 | 2021-09-28 | 佛山市顺德区美的电热电器制造有限公司 | Baking appliance |
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| Publication number | Publication date |
|---|---|
| CN1270131C (en) | 2006-08-16 |
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Granted publication date: 20060816 Termination date: 20091228 |