KR19990035624A - Optimal Cooking Heating Device Using Multiple Rotation of Microwave Oven - Google Patents

Abstract

The present invention relates to an optimum cooking heater for heating a dish of an microwave oven in an optimal state.

In more detail, a plurality of rotary trays can be individually installed according to the temperature distribution in a cooking chamber of a microwave oven, and a tray on which food is placed after selecting a rotary tray suitable for the type of food and placing the food thereon By driving the bay individually, the food placed can always be heated optimally.

Description

Optimal Cooking Heating Device Using Multiple Rotation of Microwave Oven

The present invention relates to an optimal cooking heating apparatus for heating a dish of an microwave oven in an optimal state. More particularly, a plurality of trays are installed according to a temperature distribution in a cooking chamber, and a tray suitable for the type of food is selected. The present invention relates to an optimal cooking heating apparatus using a multi-rotation method of a microwave oven so that food is always heated in an optimal state.

In general, microwaves project high-frequency generated from the magnetron to food, and at this time, serves to cook or thaw food by using a heating effect generated from the food.

In general, the cooking chamber is formed in a predetermined size and shape in the main body in order to block the outflow of high frequency, which is a heat source, and includes a tray in which food is placed.

In addition, one side of the cooking chamber is provided with a high-voltage transformer for driving the magnetron, a magnetron is mounted on the upper side of the high-voltage transformer, the magnetron is applied with a high pressure from the high-voltage transformer to generate a high frequency.

And, a waveguide for guiding the high frequency generated by the magnetron to the cooking chamber is provided above the magnetron.

In addition, the lower end of the cooking chamber is provided with a rotary tray is placed food is to serve to evenly project the high frequency generated from the magnetron to the food to help even heating of food.

However, in such a device, the projection angle of the high frequency generated in the magnetron is different for each position in the cooking chamber, and thus, the temperature distribution in the cooking chamber is also different, so that the food placed on the top of the rotary tray may be locally heated.

In order to solve such a disadvantage, conventionally, as shown in FIGS. 4 and 5, one rotary tray 270 is installed in the cooking chamber 250 of the main body 210, and for lifting up and down at the lower end of the rotary tray 270. By installing the tray motor 230, when the high frequency generated from the magnetron 220 is projected on the food by lifting the rotary tray 270 to the tray motor 230 so that the food is evenly heated.

However, such a device is also different from the heating effect according to the position of the food placed on the rotary tray 270 can not overcome the local heating problem of the food, but rather causes an overload of the tray motor, the device itself is complicated It was a factor of making.

The present invention is to solve this problem, the technical problem is to install a plurality of small rotary tray in accordance with the temperature distribution in the cooking chamber, the local applied to the food by driving by selecting the rotary tray suitable for the type of food It is to provide a device that prevents heating and food can always be heated in an optimal state.

1 is a schematic cross-sectional view of the present invention

2 is a schematic front cross-sectional view of the present invention.

3 is a plan view of main parts of the present invention

4 is a schematic front sectional view of a conventional device;

5 is a schematic cross-sectional view of a conventional device

※ Explanation of code for main part of drawing

10: main body 20: magnetron

30: high voltage transformer 50: cooking chamber

60: bottom plate 70-73: rotary tray

80-83: Rotating shaft 90-93: Rotating gear

100: guide gear 130: tray motor

140: power transmission means 141: drive pulley

142: driven pulley 143: belt

150: base plate 160: stamping motor

170: drive gear 180: interlocking gear

181: proximity sensor 182: intermediate gear

183: lower gear 184: upper gear

190: microprocessor

In order to achieve the above object, the present invention is to install a plurality of rotary trays individually driveable according to the temperature distribution in the cooking chamber, select the rotary tray suitable for the type of food and put the food, and then put the food Only the trays are individually driven so that the food is always heated in optimum condition.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a schematic plan cross-sectional view of the present invention, Figure 2 shows a front cross-sectional view.

As shown, the present invention includes a magnetron 20 generating a high frequency in the main body 10, a high pressure transformer 30 and a cooling fan 40 which are driving sources of the magnetron, and a cooking chamber through the high frequency generated by the magnetron. In the microwave oven which heats food in 50,

A plurality of rotary trays 70-73 installed in the cooking chamber 50 and supported by the rotary shafts 80-83 protruding to the bottom of the bottom plate 60;

A plurality of rotary gears 90-93 arranged at different heights on the rotary shafts 80-83;

A guide gear 100 installed on the bottom surface of the bottom plate through a bearing 110 and positioned at the center of each rotation shaft;

A tray motor 130 installed in the side plate 120 of the cooking chamber 50 and connected to the guide gear 100 and the transmission means 140;

A stamping motor 160 mounted on the bottom plate 150 under the cooking chamber 50 and having a worm gear-shaped drive gear 170 therein;

Intermediate gear 182 that can be operated up and down by rotation of the lower gear 183 that is connected to the drive gear 170 and is selectively coupled with each rotary gear (90-94) with a proximity sensor (181). And an interlocking gear 180 having an upper gear 184 that is geared to the guide gear 100;

A microprocessor (190) for controlling the operation of the tray motor (130) and the stamping motor (160); It is to include.

The plurality of rotary trays 70-73 are all formed at the same height and size and are fixed to the upper ends of the rotary shafts 80-83, and each rotary shaft is vertically installed through the bottom plate 60.

The plurality of rotary gears 90-93 are all formed with the same size and are arranged at different heights at regular intervals up and down on each rotating shaft.

The vertical gap between the rotary gears should be larger than the thickness of the intermediate gear 182 to be described later.

The guide gear 100 is mounted in a state suspended from the bottom plate 60 between the rotating shafts through the bearing 110, and has a shaft shape formed therein in the axial direction.

The tray motor 130 is firmly attached to the outside of the side plate 120 of the cooking chamber 50 and is controlled by the microprocessor 190.

The transmission means 140 connecting the tray motor 130 and the guide gear 100 includes a drive pulley 141 built into the motor shaft 131, a driven pulley 142 built into the guide gear, and a gap between them. It is composed of a belt 143 to connect to serve to transmit the rotational force of the tray motor to the guide gear.

The stamping motor 160 is fixedly installed on the bottom plate 150 under the cooking chamber 50 and is controlled by the microprocessor 190, and drives the gear 170 connected to the lower gear 183 to be described later. Equipped.

The interlocking gear 180 includes a proximity sensor 181 and an intermediate gear 182 selectively connected to each of the rotary gears 90-93, and a driving gear 170 installed at a lower end of the intermediate gear. The lower gear 183 which raises and lowers the said intermediate gear by gear connection, and the upper gear 184 which is installed in the upper side of the said intermediate gear, is geared in the axial direction with the guide gear 100, and can raise and lower freely. It consists of.

The microprocessor 190 initially rotates the drive gear 170 of the stamping motor 160 by two rotations, four rotations, six rotations, eight rotations and ten rotations according to a setting value, and then the " OK " The tray motor 130 is driven according to the "

Referring to the operation of the present invention configured as described above are as follows.

First, the user puts the food to be cooked over the desired rotary tray, and then presses the button of the corresponding rotary tray in the use manual.

In this case, the microprocessor 190 drives the stamping motor 60 by the set time, and the driving gear 170 rotates by the set time to raise the interlocking gear 180 so that the intermediate gear 182 corresponds. Mesh with the rotary gear of the rotary tray.

That is, when the user puts food on the first rotating tray 70 and presses the first button in the use manual, the stamping motor 160 rotates the driving gear 170 two times, thereby causing the interlocking gear 180 to rotate. The intermediate gear 182 is engaged with the rotary gear 90 fitted to the rotary shaft 80 of the first rotary tray 70 while being raised by a predetermined height while being guided by the upper gear 184 fitted to the guide gear 100.

Similarly, when the user selects any one of the second rotary tray 71, the third rotary tray 72, and the fourth rotary tray 73, the stamping motor 160 rotates the driving gear 170 each four times. , The sixth and eighth rotation, so that the ascending width of the interlocking gear 180 is different so that the intermediate gear 182 is one of the rotary gears (91-93) of the second to fourth rotary trays (71-73) Interlocked.

When the intermediate gear 182 is engaged with the selected rotary gear 90 as described above, the proximity sensor 181 detects this and sends a signal to the microprocessor 190, which immediately transfers the tray motor 130. It works.

When the tray motor 130 is operated, the rotational force is transmitted to the upper gear 184 through the motor shaft 131 and the transmission means 140, so that the intermediate gear 182 integral with the upper gear rotates. Accordingly, the rotary gear 90 meshed with this rotates.

Therefore, since the rotary tray 70 connected to the rotary gear 90 and the rotary shaft 80 rotates, the food placed on the top of the rotary tray is heated evenly while rotating.

When the cooking of the food is completed and then the Off button is pressed, the operation of the tray motor 130 is stopped and the stamping motor 60 is rotated in reverse to return the interlocking gear 180 to its original position.

As described above, in the present invention, a plurality of rotary trays are individually installed to be individually driven according to a temperature distribution in a cooking chamber of a microwave oven, and a food tray is placed thereon by selecting a rotary tray suitable for the type of food. By individually driving only the trays placed, foods can always be heated in optimum condition.

Therefore, local heating of the food is prevented, and the cooking can be always performed in an optimal state, and the overload of the tray motor can be prevented.

Claims (5)

The main body 10 includes a magnetron 20 for generating a high frequency, a high pressure transformer 30 and a cooling fan 40 which are driving sources of the magnetron, and heat food in the cooking chamber 50 through the high frequency generated by the magnetron. In the microwave, A plurality of rotary trays 70-73 installed at different positions on the bottom plate 60 of the cooking chamber 50 and supported by the rotary shafts 80-83 protruding to the bottom of the bottom plate; A plurality of rotary gears 90-93 arranged at different heights of the rotary shafts 80-83; A guide gear 100 installed on the bottom surface of the bottom plate through a bearing 110 and positioned at the center of each rotation shaft; A tray motor 130 installed in the side plate 120 of the cooking chamber 50 and connected to the guide gear 100 and the transmission means 140; A stamping motor 160 mounted on the bottom plate 150 of the cooking chamber 50 and having a driven gear 170 installed therein; An intermediate gear 182 which is operated up and down by rotation of the lower gear 183 connected to the drive gear 170 and is selectively coupled with each of the rotary gears 90-94 with the proximity sensor 181. An interlocking gear 180 having an upper gear 184 connected to the guide gear 100 and a gear; A microprocessor (190) operated by the proximity sensor (181) and an external button operation and controlling the operation of the tray motor (130) and the stamping motor (160); Optimum cooking heating apparatus using a multi-rotation method of the microwave, characterized in that it comprises a. The method of claim 1, The plurality of rotary trays (70-73) are all the same height and size, characterized in that the optimum cooking heating apparatus using a multi-rotation method of the microwave oven. The method of claim 1, The plurality of rotary gears (90-93) are all formed in the same size and optimally using a multi-rotation method of the microwave oven, characterized in that each of the rotating shafts (80-83) are arranged at different heights with a predetermined interval up and down. Cooking burner. The method of claim 1, The transmission means 140 is connected to the drive pulley 141 installed on the motor shaft 131 of the tray motor 130, the driven pulley 142 built in the guide gear 100, and connects these drive and driven pulleys Optimum cooking heating apparatus using a multiple rotation method of the microwave oven, characterized in that consisting of a belt (143). The method of claim 1, The microprocessor 190 rotates the drive gear 170 of the stamping motor 160 to a predetermined setting value, and then drives the tray motor 130 by the signal of the proximity switch 181. Optimum cooking heating device using a multi-rotation method of the microwave oven.