CN1242202C - Microwave oven with air-exhausting function - Google Patents

Microwave oven with air-exhausting function Download PDF

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Publication number
CN1242202C
CN1242202C CN 01136326 CN01136326A CN1242202C CN 1242202 C CN1242202 C CN 1242202C CN 01136326 CN01136326 CN 01136326 CN 01136326 A CN01136326 A CN 01136326A CN 1242202 C CN1242202 C CN 1242202C
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CN
China
Prior art keywords
furnace chamber
electric field
hot air
air convection
field device
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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.)
Expired - Fee Related
Application number
CN 01136326
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Chinese (zh)
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CN1412477A (en
Inventor
权哲镐
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LG Electronics Tianjin Appliances Co Ltd
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LG Electronics Tianjin Appliances Co Ltd
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Priority to CN 01136326 priority Critical patent/CN1242202C/en
Publication of CN1412477A publication Critical patent/CN1412477A/en
Application granted granted Critical
Publication of CN1242202C publication Critical patent/CN1242202C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The present invention relates to a microwave oven with an air exhausting function, which is composed of an oven cavity for cooking food, a hot air convection heater set which is arranged on one side of the oven cavity, an electric field device for generating microwaves, and a fan set. The electric field device is arranged on a mounting panel which is as high as the top surface of the oven cavity; the fan set is positioned above the oven cavity. The hot air convection heater set of the present invention can form hot air convective circulation in the oven cavity, and thus, food on a bracket in the oven cavity can be evenly heated. The fan set is utilized to cool the electric field device, which can omit a cooling fan set which is installed for cooling the electric field device. Thus, noise can be reduced, and assembly technology and be simplified.

Description

Have the micro-wave oven of air-exhausting function concurrently
One, technical field:
The present invention relates to a kind of micro-wave oven, specifically, relate to a kind of micro-wave oven that has air-exhausting function concurrently.
Two, background technology:
Up to now, developed the heater of multiple heat food.The most original heating appliances is that the container with food container contacts with thermal source, to reach the purpose of heating, culinary art.Afterwards, having developed the multiple cooker that directly or indirectly utilizes electric energy, promptly is wherein a kind of with microwave as the micro-wave oven of heating source., micro-wave oven in the past can not provide quick and high-quality culinary art because of being subjected to the restriction of single heating using microwave and release heat; For this reason, on the top of furnace chamber or the bottom heater as auxiliary thermal source is installed.When the micro-wave oven that possesses this auxiliary thermal source and have air-exhausting function concurrently is installed in the top of baking box gas burner, will have the hot gas of discharging baking box gas burner or the function of flue gas.
Fig. 1 and Fig. 2 are existing microwave oven structure and fundamental diagram.The inside of micro-wave oven is by the space of cooking food---furnace chamber 1 and electric field chamber 2 formations that the electric field device is installed for the generation microwave; Electric field chamber 2 is equipped with magnetron 5 towards the side T of furnace chamber 1, and the microwave that is produced enters in the furnace chamber 1; In order to excite microwave, electric field devices such as high-tension transformer 6 and high-voltage capacitor 7 are installed in the bottom of electric field chamber 2; On the top of electric field chamber 2 cooling fan group 10 is installed, electric field devices such as magnetron 5 that generates heat when exciting microwave and high-tension transformer 6 with cooling; Be equipped with at the offside of the furnace chamber side T that magnetron 5 is installed and stir fan group 15, rely on its inside stirring flabellum 16 rotation and make microwave that magnetron 5 excites in furnace chamber 1 inner evenly diffusion; Hot air convection Heater group 20 is installed above furnace chamber 1, so that hot blast is transmitted to the inside heating cooking food of furnace chamber 1, this hot air convection Heater group 20 is by forming as the hot air convection heater 21 of pyrotoxin with to the hot air convection fan group 22 of hot blast convection heater 21 air-supplies; The rear portion is equipped with ventilation unit 30 above furnace chamber 1, discharges with hot gas and the flue gas that micro-wave oven is produced.Cooking some needs top and bottom evenly during the whole chicken group food of heating, food can be placed on heating on the mobile bracket 33 in the furnace chamber 1, and other foods can be placed on heating on the turntable 40 below the furnace chamber 1; For making turntable 40 rotations, electric rotating machine 41 is installed in its underpart; Carriage 33 is square, and is interval with anyhow grid and forms grid by certain in it.
After the micro-wave oven of said structure is connected power supply, excite magnetron 5 to produce microwaves by being installed in the high-tension transformer 6 in the electric field chamber 2 and the high-tension current of high-voltage capacitor 7, consequent microwave enters in the furnace chamber 1 and by stirring fan group 15 and stirs and evenly diffusion in furnace chamber 1, with the food on heating turntable 40 or the carriage 33.Behind the hot air convection Heater group 20 connection power supplys as another thermal source, the high temperature gas flow that hot air convection heater 21 produces is delivered in the furnace chamber 1 by hot air convection fan group 22, and food is assisted heating.Be arranged on the ventilation unit 20 of furnace chamber 1 top, flue gas and the hot gas that the bottom produces can be discharged.
But still there is some weak point in the micro-wave oven of said structure, and need be improved.At first, food is placed on when heating on the carriage 33, the high temperature gas flow that is produced by hot air convection Heater group 20 is because of being placed on the bottom that can not pass to furnace chamber 1 well that stops of food on the carriage 33, thereby heat food equably; Regular meeting's appearance part is fired Jiao because of over-heating during as the baking biscuit, and another part is because of heating insufficient and half-cooked phenomenon.Secondly, the electric field device is away from power supply, and it is long that it connects lead, and not only assembling is complicated, the also corresponding raising of production cost.The 3rd, because of a plurality of fan groups are arranged, the noise when using micro-wave oven is big and assembling is complicated.
Three, summary of the invention:
Purpose of the present invention promptly is to provide a kind of micro-wave oven that has air-exhausting function concurrently, so that the high temperature gas flow that its hot air convection Heater group produces can heat the food in the furnace chamber equably, simplifies its packaging technology simultaneously, and reduces the noise when using.
To achieve these goals, the present invention utilizes furnace chamber, the hot air convection Heater group of cooking food and is used to produce the electric field device of microwave and the ventilation unit constitutes a kind of micro-wave oven that has air-exhausting function concurrently.The hot air convection Heater group is installed on a side of furnace chamber, and the electric field device is installed on the installing plate identical with the furnace chamber apical side height and utilizes the cooling of ventilation unit, and the ventilation unit then is positioned at the top of furnace chamber.
Purpose of the present invention can also further realize by following technical measures.
The aforesaid micro-wave oven that has air-exhausting function concurrently, wherein the end face of furnace chamber or bottom surface add heater, make heat be evenly distributed to the interior space of micro-wave oven furnace chamber.
The aforesaid micro-wave oven that has air-exhausting function concurrently, wherein the hot air convection Heater group is installed on furnace chamber one side relative with the electric field device.
Based on above structure, the hot air convection Heater group among the present invention can form good hot air convection circulation in furnace chamber, and the food on the carriage obtains uniform heating in the furnace chamber thereby make; Utilize ventilation unit cooling electric field device can save the cooling fan group, thereby reduce noise and simplify its packaging technology.
Below in conjunction with specific embodiment the technical characterictic that the present invention has the micro-wave oven of air-exhausting function concurrently is described in further detail.
Four, description of drawings:
Fig. 1 is existing microwave oven structure schematic diagram.
Fig. 2 is the side view of existing micro-wave oven.
Fig. 3 is the microwave oven structure schematic diagram that the present invention has air-exhausting function concurrently.
Fig. 4 is the side view that the present invention has the micro-wave oven of air-exhausting function concurrently.
Five, the specific embodiment:
With reference to figure 3 and shown in Figure 4, the present invention has concurrently and is formed with the electric field chamber 102 that the furnace chamber 101 that is used for cooking food and top are equipped with the electric field device in the micro-wave oven of air-exhausting function.
Electric field chamber 102 is equipped with hot air convection Heater group 120 by the side T of furnace chamber 101, this hot air convection Heater group 120 is same as the prior art, also promptly by constituting as the hot air convection heater 121 of thermal source and the hot air convection fan group 122 that the hot-air that hot air convection heater 121 is produced is sent in the furnace chamber 101.Hot air convection Heater group 120 tops and furnace chamber 101 end face equal heights are provided with installed surface 130, and installed surface 130 is tabular and is used to install as shown in the figure magnetron 132 and electric field devices such as high-tension transformer 134 and high-voltage capacitor 136.One side of furnace chamber 101 is provided with and stirs fan group 140, is provided with in it and stirs fan 141, so that in the microwave uniform irradiation furnace chamber 101 that the electric field device produces.The bottom of furnace chamber 101 is equipped with circular turntable 145, and its underpart is provided with electric rotating machine 146, so that food heats while rotating.Furnace chamber 101 both sides of turntable 145 tops are provided with inside projection and are used to be provided with carriage 150, and carriage 150 is square and forms a plurality of grids, and its area and furnace chamber bottom surface are approaching.The rear portion of furnace chamber 101 tops is equipped with ventilation unit 160, with the electric field device on cooling 102 tops, electric field chamber and discharge hot gas and flue gas in the furnace chamber 101.
Except that the structure of the above, on furnace chamber 101 or the bottom surface also can install heater additional, to shorten cooking time; At this moment, the heater ratio that installs additional based on radiation uses hot air convection heater better effects if.
After the micro-wave oven of said structure is connected power supply, be installed in high-tension transformer 134 on the 102 top installed surfaces 130 of electric field chamber and high-voltage capacitor 136 and will produce high-tension current and excite magnetron 132 to produce microwaves, microwave enters in the furnace chamber 101 and by the rotation of stirring fan in the uniform irradiation furnace chamber 101.
After being installed in the hot air convection Heater group 120 connection power supplys of furnace chamber 101 sides, hot air convection heater 121 produces high temperature airs and sends into the furnace chamber 1 interior hot air convection that forms by hot air convection fan group 122.Because hot air convection begins to be formed at the side of carriage 150, therefore the food on carriage 150 and the carriage 150 is less to the resistance of hot air convection, top and the bottom by carriage 150 can form good hot air convection circulation in furnace chamber 101, thereby make the food on the carriage 150 obtain uniform heating more.
In addition, the two ends of ventilation unit 160 are equipped with suction hole, wherein the suction hole of an end sucks flue gas and the hot gas that furnace chamber 101 rises, and other end suction hole sucks the hot gas that the electric field device produces, and flue gas that is sucked and hot gas are discharged outside the micro-wave oven by the steam vent of ventilation unit 160.
In the another embodiment of the present invention, the electric field device move on to the electric field chamber above, being installed in the side that furnace chamber 101 top hot air convection fan groups 122 are installed in furnace chamber 101 originally, the electric field device is installed on the top of the furnace chamber on hot air convection Heater group 120 opposites, and hot air convection Heater group 120 then is installed in the left side of furnace chamber 101.Like this, can form the space and enlarge furnace chamber 101 in 102 installed surfaces, 130 bottoms in the electric field chamber, with the more food of heating cooking.
Among the present invention, utilize ventilation unit 160 cooling magnetrons 132 devices such as electric field such as grade, can save the cooling fan group that aimed at cooling electric field device in the past and installed, thereby can reduce noise.The electric field device is moved on to the top of electric field chamber, and the hot air convection fan group 122 that will be installed in furnace chamber 101 tops originally is installed in the side of furnace chamber 101, the volume of furnace chamber 101 is enlarged, to cook more food; The electric field device is installed concentratedly on installed surface 130, can be shortened the length of lead, make installation more convenient.

Claims (3)

1, a kind of micro-wave oven that has air-exhausting function concurrently is made of the furnace chamber of cooking food, the electric field device and the ventilation unit that utilize the hot air convection Heater group of food in the hot air convection heating furnace chamber and produce microwave; The invention is characterized in that described hot air convection Heater group is installed on a side of furnace chamber; Described electric field device is installed on the installing plate identical with the furnace chamber apical side height; Described ventilation unit is positioned at the top of furnace chamber.
2, the micro-wave oven that has air-exhausting function concurrently according to claim 1 is characterized in that the end face of described furnace chamber or bottom surface add heater, makes heat be evenly distributed to the interior space of micro-wave oven furnace chamber.
3, the micro-wave oven that has air-exhausting function concurrently according to claim 1 is characterized in that described hot air convection Heater group is installed on furnace chamber one side relative with the electric field device.
CN 01136326 2001-10-10 2001-10-10 Microwave oven with air-exhausting function Expired - Fee Related CN1242202C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01136326 CN1242202C (en) 2001-10-10 2001-10-10 Microwave oven with air-exhausting function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01136326 CN1242202C (en) 2001-10-10 2001-10-10 Microwave oven with air-exhausting function

Publications (2)

Publication Number Publication Date
CN1412477A CN1412477A (en) 2003-04-23
CN1242202C true CN1242202C (en) 2006-02-15

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 01136326 Expired - Fee Related CN1242202C (en) 2001-10-10 2001-10-10 Microwave oven with air-exhausting function

Country Status (1)

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CN (1) CN1242202C (en)

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CN1412477A (en) 2003-04-23

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Granted publication date: 20060215

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