KR200327744Y1 - Microwave oven having an automatic toaster - Google Patents

Abstract

The present invention relates to a microwave oven provided with a toaster capable of baking bread, the present invention is a bread entrance is formed on the upper surface of the outer casing of the microwave oven, the toaster is installed between the outer casing and the heating chamber side wall of the microwave oven. Casing; A heater installed inside the toaster casing and heating bread; A tray on which the bread stand is installed to move up and down inside the toast casing so as to place the bread, and one side of the bread stand is provided with a vertical bar having a pinion; Gear means engaged with the pinion to move the tray up and down; A switch unit turned on / off by contact with the gear means; And a control unit which receives the on / off signal of the switch unit and controls forward / reverse rotation of the gear means and operation of the heater.

The present invention can slide the tray up and down by the switch unit and the gear means to bake or take out the bread, so the toaster part is convenient to use, and the bread can be safely placed on the tray to prevent debris from occurring. You can do it.

Description

Microwave oven with automatic toaster {MICROWAVE OVEN HAVING AN AUTOMATIC TOASTER}

The present invention relates to a microwave oven equipped with an automatic toaster, and in particular, when the toaster function, it is convenient to put or take out the bread to the toaster, and equipped with an automatic toaster to prevent the occurrence of bread crumbs It relates to a microwave oven.

Generally, a microwave oven is a device for heating a heating object using a microwave. Subsequently, the microwave oven is provided with a heating chamber for supplying microwaves to embed a heating object, and the heating chamber is configured to be opened and closed by a door.

However, since the microwave oven performs heating using microwaves, it is inappropriate to perform a function as a toaster for baking bread due to the heating characteristics of the microwaves. That is, due to the heating characteristics of the microwaves that penetrate the inside of the food to heat the food, there is an disadvantage that is unsuitable for the heating of the toast, the surface should be heated brown. Therefore, in the microwave oven which is an apparatus for heating food, it can be said that it is desirable to have a toaster function which can bake bread.

In order to meet such a demand, a microwave oven having a toaster function has recently been developed, and the Korean Utility Model Registration Application No. 2001-36044 (represented by the name of the draft; an electronic device equipped with a toaster) is shown. Range).

6 is an external perspective view of a microwave oven having a conventional toaster, and FIG. 7 is an exploded perspective view of the toaster unit in FIG. 6.

As shown in the drawing, the microwave oven 100 includes a heating chamber 102 for heating food, an electrical equipment chamber 104 in which electrical components for generating microwaves supplied to the heating chamber 102 are installed therein; The toaster unit 110 is installed in the electrical equipment room 104 and the bread entrance and exit 106 is provided on the upper surface of the outer casing 107.

The toaster part 110 is installed between the toaster casing 120 constituting the appearance of the toaster part 110, the heater 130 installed inside the toaster casing 120 to heat bread, and the heater 130. And bread stand 140 for placing the bread, and bread handle 140 is composed of a handle lever 150 provided on one side.

Subsequently, at the connection portion of the bread stand 140 and the handle lever 150, a supporting rod 160 is attached to the handle lever 150 in a vertical direction to serve as a center of rotation.

On the other hand, the control panel unit 170 is installed in the front part of the electrical compartment 104, the control panel 170 is formed with an opening (not shown) through which the handle lever 150 can pass.

The operation of the prior art configured as described above is to put the bread in the toaster portion 110 through the bread doorway 106 in the state that the bread stand 140 and the handle lever 150 is horizontal, the top surface of the bread stand 140 Next, when the toaster switch (not shown) is turned on, the bread 130 is baked while the heater 130 installed inside the toaster 110 is heated.

Then, when the time set to heat the toaster elapses, the power of the heater 130 is turned off and the toaster heating process is completed. When the toaster heating process is completed, the user grabs a handle (not shown) and the handle lever 150. By lowering the breadboard), the bread stand 140 is pushed upwards by the principle of the lever and pushes the bread to the top of the bread doorway 106.

However, in the prior art as described above, when the bread is placed on the upper surface of the bread stand 140 to heat the bread, the bread is placed on the bread stand 140 while falling through the bread inlet and outlet 106. There was a problem that the bread is in contact with the bread stand 140 by the crumbs, and when the heating of the bread is completed, the handle lever 150 is lowered to raise the bread stand 140 to the upper portion of the bread gate ( The operation process was inconvenient because it had to be pushed out to 106).

The present invention has been devised to solve the above problems, the technical problem of the present invention when the toaster function, it is convenient to put or take out the bread to the toaster, automatic toaster that can minimize the occurrence of bread crumbs It is to provide a microwave oven having a.

1 is an exploded perspective view of a microwave oven having an automatic toaster according to the present invention.

Figure 2 is a perspective view of the toaster portion of the present invention.

3 is a schematic view showing a switch unit in the present invention.

Figure 4a, 4b is an operating state of the present invention.

5 is a toaster control circuit diagram of the present invention.

Figure 6 is an external perspective view of a microwave oven having a conventional toaster.

7 is an exploded perspective view of the toaster unit in FIG. 6.

<Description of the code | symbol about the principal part of drawing>

10 microwave oven 12 heating chamber

16: outer casing 16a: bread doorway

30: toaster casing 40: heater

50: tray 52: bread stand

54: Vertical Bar 55: Pinion

60: gear means 62: gear

63: stopper 65: drive motor

67: motor bracket 70: switch unit

SW1: first switch SW2: second switch

P1, P2: pin 80: control part

B: Bread

Microwave oven equipped with the subject innovation automatic toaster for achieving the above object,

Toaster casing is formed on the upper surface of the outer casing of the microwave oven, and is installed between the outer casing and the side wall of the heating chamber of the microwave oven;

A heater installed inside the toaster casing and heating bread;

A tray on which the bread stand is installed to move up and down inside the toast casing so as to place the bread, and one side of the bread stand is provided with a vertical bar having a pinion;

Gear means engaged with the pinion to move the tray up and down;

A switch unit turned on / off by contact with the gear means; And

It is characterized in that it comprises a control unit for receiving the on / off signal of the switch unit for controlling the forward / reverse rotation of the gear means and the operation of the heater.

And the gear means, the gear is meshed with the pinion and the stopper protruding in contact with the switch on one side;

A drive motor for rotating the gear; And

It is installed on one side of the toast casing, characterized in that the drive motor is made of a motor bracket fixedly installed.

In addition, the switch unit, the first switch and the second switch consisting of a 2-pin push switch (PUSH SWITCH) is installed so as to face each other, the power of the control unit by one pin of each of the first switch and the second switch These pins are supplied in parallel, and each of the remaining pins of the first switch and the second switch is pulled down and connected to the signal input port of the controller.

Preferred embodiments of the present invention having the features as described above will be described in detail with reference to the accompanying drawings.

In the accompanying drawings, Figure 1 is an exploded perspective view of a microwave oven having an automatic toaster according to the present invention, Figure 2 is a perspective view showing a toaster part of the present invention, Figure 3 is a schematic view showing a switch in the present invention.

As shown in FIG. 1, the cavity assembly 11 of the microwave oven 10 is provided with a heating chamber 12 for heating food, and on one side of the heating chamber 12, an electrical compartment for embedding electronic components ( 14 is provided, and this cavity assembly 11 is covered by an outer casing 16.

Subsequently, a space portion is formed between the side wall of the outer casing 16 and the side wall of the heating chamber 12, and the toaster portion 20 capable of baking the bread B is provided in the space portion.

The toaster section 20 includes a toaster casing 30 having a bread entrance 16a in which an upper surface of the outer casing 16 is opened.

The movement guide part 32 is formed in the side surface of the toaster casing 30, and guides the tray 50 to slide up and down.

As illustrated in FIGS. 1 and 2, a heater 40 for applying heat to the bread B is installed in the toast casing 30.

The heater 40 is comprised from the support plate 41, the heating wire 43 wound around the support plate 41, and the terminal 45 for applying electricity to the heating wire 43. As shown in FIG. Such a heater 40 is installed on both inner walls of the toast casing 30 to heat both sides of the bread (B).

Subsequently, a tray 50 for placing bread bread B is provided inside the toaster casing 30.

The tray 50 is a portion on which the bread (B) is placed, which has a bread stand (52) supporting the bottom of the bread (B), and a pinion (55) installed on the side of the bread stand (52). The vertical bar 54 is comprised. In addition, one surface of the vertical bar 54 is formed with a guide groove 56 which is accommodated in the movement guide part 32 to move up and down.

Here, the vertical bar 54 may be integrally molded or assembled into the bread stand 52.

Subsequently, one side of the tray 50 is provided with gear means 60 engaged with the pinion 55 to operate the tray 50.

Gear means 60 is a gear 62, which is engaged with the pinion 55, the stopper 63 is protruded in contact with the switch unit 70 on one side, and the drive motor 65 for rotating the gear 62 The tray 50 slides up and down through the pinion 55 engaged with the gear 62 by the rotation of the gear 62.

Subsequently, the drive motor 65 is fixedly installed to the motor bracket 67 provided on one side of the toaster casing 30.

On the inner side of the motor bracket 67, the switch unit 70 for detecting the position of the tray 50 when the tray 50 moves up and down by contacting the stopper 63 of the gear 62 is provided. Is installed.

As shown in FIG. 3, the switch unit 70 is provided such that the first switch SW1 and the second switch SW2 each configured as a 2-pin push switch PUSH SWITCH are opposed to each other, and the first switch SW1. ) And the power supply of the control unit 80 is supplied in parallel to each one pin P1 of the second switch SW2, and the other pin P2 of the first switch SW1 and the second switch SW2. Each is pulled down and connected to the signal input port of the controller 80.

Subsequently, the control unit 80 receives the on / off signal of the switch unit 70 to control the forward / reverse rotation of the gear unit 60 and the operation of the heater 40.

Referring to the operation of the present invention configured as described in detail based on the accompanying drawings as follows.

If you want to use the toaster portion 20 to bake the bread, first put the bread (B) in the bread entrance (16a) in the state shown in Figure 4a, then press the toaster start button formed in the key input gear means 60 To work. Then, the gear 62 rotates in the reverse direction by the drive motor 65 of the gear means 60, and the pinion 55 engaged with the gear 62 descends downward by the rotation of the gear 62. As a result, the tray 50 on which the bread B is placed is moved to the lower end of the toaster casing 30. At this time, the stopper 63 formed on the gear 62 is released from the first switch SW1.

Subsequently, when the stopper 63 formed in the gear 62 contacts the second switch SW2 as shown in FIG. 4B while the gear 62 rotates in the reverse direction, the rotation of the driving motor 65 is stopped while the heater 40 is stopped. Baked bread (B) is heated.

When the heating of the bread B is completed for a predetermined time, the gear 62 rotates in the forward direction by the drive motor 65 of the gear means 60, and the gear 62 rotates by the gear 62. As the pinion 55 engaged with the ascends upward, the tray 50 on which the bread B is placed is moved to the upper end of the toaster casing 30. At this time, the stopper 63 formed on the gear 62 is released from the second switch SW2.

Subsequently, when the gear 62 rotates in the forward direction and the stopper 63 formed on the gear 62 contacts the first switch SW1 as shown in FIG. 4A, the rotation of the driving motor 65 is stopped, and the bread B ) Is drawn out of the bread entrance 16a by the rising of the tray 50.

The operation of the switch unit 70 in the present invention acting as described above will be described in detail with reference to FIG. 5.

With the tray 50 positioned at the top of the toaster casing 30, inserting the bread B into the bread entrance 16a and then turning on the toaster start button (not shown) formed in the key input unit 71 (0N). In this case, the controller 80, which is transmitted to the controller 80 and receives the signal, drives the driving motor 65 in the reverse direction and simultaneously senses an ON signal of the second switch SW2.

If it is determined that the second switch SW2 is OFF, the controller 80 continues to rotate the driving motor 65 in the reverse direction. As a result, the second switch SW2 is turned on. If it is determined to be (ON), the drive motor 65 is stopped.

When the rotation of the drive motor 65 is stopped, the controller 80 heats the heater 40 for a predetermined time to bake the bread (B).

When the set time of the timer 73 elapses, the controller 80 stops heating of the heater 40.

When the heating of the heater 40 is stopped, the controller 80 drives the driving motor 65 in the forward direction, and simultaneously senses an ON signal of the first switch SW1.

If it is determined that the first switch SW1 is OFF, the controller 80 continues to rotate the driving motor 65 in the forward direction. As a result, the first switch SW1 is turned on. If it is determined to be (ON), the drive motor 65 is stopped.

When the rotation of the drive motor 65 is stopped, the toaster heating process according to the present invention is finished.

As such, the present invention can conveniently use the operation of the toaster unit 20, and prevent the debris of the bread B from being generated.

According to the microwave oven equipped with the present invention automatic toaster as described in detail above, it is possible to bake or take out the bread by sliding the tray up and down by the switch unit and the gear means, it is convenient to use the toaster portion, bread on the tray It can be safely placed and prevents the crumbs of bread from occurring.

The invention has been shown and described with respect to a specific preferred embodiment, but the invention is not limited to the embodiment described above, the field to which the subject innovation belongs without departing from the gist of the subject innovation claimed in the utility model registration claims Anyone of ordinary skill in the art would be able to make various modifications.

Claims (3)

Bread openings (16a) is formed on the upper surface of the outer casing 16 of the microwave oven 10, the toaster casing 30 is installed between the outer casing 16 and the side wall of the heating chamber 12 of the microwave oven (10). ); A heater 40 installed inside the toaster casing 30 and heating the bread B; In order to put the bread (B), the bread stand 52 is installed in the interior of the toast casing 30 to be lowered, the vertical bar having a pinion (55) on one side of the bread stand (52). A tray 50 in which 54 is formed; Gear means (60) engaged with the pinion (55) to move the tray (50) up and down; A switch unit 70 turned on / off by contact with the gear unit 60; And Receiving an on / off signal of the switch unit 70, the automatic toaster, characterized in that it comprises a control unit 80 for controlling the forward / reverse rotation of the gear means 60 and the operation of the heater 40 Microwave equipped with. The method of claim 1, wherein the gear means 60, A gear 62 engaged with the pinion 55 and having a stopper 63 protruding from the switch unit 70 on one side thereof; A drive motor 65 for rotating the gear 62; And It is installed on one side of the toast casing 30, the microwave oven with an automatic toaster, characterized in that made of a motor bracket (67) to which the drive motor (65) is fixed. According to claim 1, The switch unit 70, the first switch (SW1) and the second switch (SW2) consisting of a 2-pin push switch (PUSH SWITCH) is installed facing each other, the first switch The power of the controller 80 is supplied in parallel to each of the pins P1 of the first and second switches SW2 and SW1 and the other pins of the first and second switches SW1 and SW2. (P2) Microwave oven with an automatic toaster, characterized in that each is pulled down and connected to the signal input port of the control unit (80).