KR19990052604A - Microwave oven with message storage and playback - Google Patents

Abstract

The present invention relates to a microwave oven having a message storing and reproducing function, and a microphone 40 and a speaker 42 respectively installed on a cooking guide plate for input / output of a voice message; According to the control of the controller 30 ', the voice message input through the microphone 40 is converted into digital data and output to the controller 30' or synthesized voice data of the applied digital speaker 42 An audio unit 41 to be output to the; A voice for storing the digital data converted by the audio unit 41 under the control of the controller 30 'and applying the stored data to the audio unit 41 according to the command of the controller 30'. A memory 43; According to the present invention, a key for recording and reproducing is installed in the key input unit 33 ', and a microphone 40 and a speaker 42 are installed in the cooking guide plate of the microwave, so that a desired message can be stored and played in the microwave. Make sure According to the present invention, it is possible to store and reproduce the information on the cooking method or various living information, so that various functions of the microwave can be used more conveniently.

Description

Microwave oven with message storage and playback

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a microwave oven having a message storing and reproducing function. In particular, the microwave oven is equipped with a message recording function and a reproducing function. The present invention relates to a microwave oven having a message storing and reproducing function, which can be usefully used.

In general, a cooking guide is provided on the outside of the microwave oven case so that the user can select various cooking menus and set cooking time. A display unit for displaying a cooking time and a cooking state is installed on the cooking guide plate.

In addition, the cooking guide plate is provided with a plurality of keys for setting various cooking menus and cooking time.

As shown in FIG. 1, the general microwave oven includes a control unit 30 for controlling the overall operation of the microwave oven, an input power supply unit 31 for supplying low voltage power to the control unit 30, and each of the microwave ovens. A key input unit having an oscillation unit 32 for supplying a basic clock signal to the control unit 30 and a key connected to the control unit 30 and installed on the front of the outer case to select various cooking menus and cooking times, etc. 33) and a door sensing unit 34 for sensing the opening and closing of the door and applying it to the control unit 30.

In addition, the general microwave oven is provided on the front of the outer case to display the cooking progress state when cooking under the control of the control unit 30 and the buzzer to generate a buzzer sound under the control of the control unit 30 36 and a switching unit 37 including various relays and switches controlled by the control unit 30.

In addition, a general microwave oven is installed in the cooking chamber and is lit according to the state of the switching unit 37 to illuminate the cooking chamber, and is connected to the switching unit 37 to be installed at the rear of the microwave oven to cool the electric equipment. A cooling fan FM, a tray motor TM connected to the switching unit 37 to drive a tray, a damper motor DM connected to the switching unit 37 to drive a damper, and the switching A high voltage power supply unit 38 connected to the unit 37 to generate a high voltage DC power, and a magnetron (M) for supplying ultra-high frequency to the cooking chamber by the DC power generated by the high voltage power supply 38.

The switching unit 37 includes a relay such as a main relay, a power relay, a fan motor relay, a damper motor relay, a grill relay, and the like, and includes a switch such as a primary switch and a door switch.

In the general microwave oven configured as described above, the controller 30 receives a cooking menu and a cooking time selected by the user through the key input unit 33. Accordingly, the controller 30 checks the state of the microwave oven door, and when the door is closed, applies the 12 V DC power to the switching unit 37 to turn on the contacts of the main relay included in the switching unit 37. . As a result, the lamp L is turned on to illuminate the cooking chamber. At this time, the control unit 30 also turns on the contact of the fan motor relay included in the switching unit 37 to drive the fan motor FM, thereby removing moisture in the cooking chamber by blowing along the rotation of the cooling fan. The control unit 30 turns on the primary switch included in the switching unit 37 to drive the tray motor TM, thereby rotating the tray.

In addition, the controller 30 adjusts the time when the contact point of the power relay included in the switching unit 37 is turned on, thereby adjusting the output of the magnetron 39 to strong, medium, or weak according to the cooking menu, and the cooking time. The progress of is displayed on the display unit 35.

The cooling fan that rotates according to the driving of the fan motor FM cools the magnetron 39. When the magnetron 39 reaches a predetermined temperature or more, the controller 30 drives the damper motor DM to surround the magnetron 39. Allow warm air to blow into the cooking chamber by the cooling fan.

After the cooking time is completed, the control unit 30 turns off the lamp L, stops the drive of the fan motor FM, the tray motor TM, the damper motor DM, and the magnetron 39, and the buzzer Drive 36 to inform the completion of cooking.

In the above-described general microwave oven, cooking is performed by referring to the cooking menu displayed on the key input unit 33. As the functions of the microwave become more diverse, the cooking menu of the key input unit 33 also increases, so that the key input unit ( 33 and the display unit 35 are also complicated. Accordingly, people who are not familiar with the operation of microwave ovens, such as children, cannot effectively use this complicated function of microwave ovens. Therefore, there is a demand for a microwave oven having a function of informing the operation method or the cooking method of the microwave oven as necessary.

In order to solve the conventional problems as described above, the present invention is equipped with a message recording function and playback function in the microwave oven, by storing and reproducing information on the cooking method or various life information, to make the microwave oven more convenient and useful It is an object of the present invention to provide a microwave oven having a message storing and reproducing function for use.

The present invention for achieving the above object is a microphone and a speaker which are respectively installed on the cooking guide plate for the input / output of the voice message; An audio unit converting a voice message input through the microphone into digital data under the control of the controller and outputting the voice message to the controller or synthesizing an applied digital voice data to the speaker; And a voice memory for storing the digital data converted by the audio unit under control of the controller and applying the stored data to the audio unit according to a command of the controller.

The key input unit includes a voice message recording and reproducing key, and the control unit controls a message recording operation when receiving a recording key signal from the key input unit, and regenerates a message when receiving a key signal for reproduction from the key input unit. It is characterized by controlling the operation.

1 is a front view showing the configuration of a typical microwave oven.

2 is a block diagram of a microwave oven with message storage and playback functions in accordance with the present invention.

Figure 3 is a flow chart for explaining the operation of the microwave oven having a message storage and playback function according to the present invention.

Explanation of symbols on the main parts of the drawings

30,30 ': control part 33,33': key input part

35 display unit 36 buzzer

37: switching unit 38: high voltage power supply

40: microphone 41: audio unit

42: speaker 43: voice memory

L: Lamp FM: Fan Motor

TM: Tray Motor DM: Damper Motor

M: Marknetron

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

The microwave oven having a message storing and reproducing function according to the present invention includes a control unit 30 'for controlling the overall operation of the microwave oven, an input power supply unit 31 for supplying low voltage power to the control unit 30' and the respective units. And an oscillator 32 for supplying a basic clock signal to the controller 30 ', and connected to the controller 30' and installed at the front of the outer case, for selecting various cooking menus and cooking times, recording messages, and the like. And a key input unit 33 ′ having a key for storage, and a door sensing unit 34 for sensing the opening / closing of the door and applying it to the control unit 30 ′.

In addition, the microwave oven having a message storage and playback function according to the present invention is provided on the front of the outer case display unit 35 for displaying the cooking progress state during cooking under the control of the control unit 30 'and the control unit ( And a buzzer 36 for generating a buzzer sound under the control of 30 ', and a switching unit 37 including various relays and switches controlled by the controller 30'.

In addition, a microwave oven having a message storing and reproducing function according to the present invention is installed in the cooking chamber and is turned on in accordance with the state of the switching unit 37 to illuminate the cooking chamber and the lamp L, and the switching unit 37 is connected to the electronic Cooling fan (FM) installed in the rear of the range to cool the electrical appliance, the tray motor (TM) connected to the switching unit 37 and drives the tray, and connected to the switching unit 37 to drive the damper To supply the ultra-high frequency to the cooking chamber by a damper motor (DM), a high voltage power supply unit 38 connected to the switching unit 37 to generate a high voltage direct current power, and a DC power generated by the high voltage power supply unit 38. Magnetron (M).

In addition, the microwave oven having a message storing and reproducing function according to the present invention converts the voice message received through the microphone 40 into digital data when the recording key provided in the key input unit 33 'is pressed. An audio unit 41 for synthesizing the input or outputted audio data to the speaker 42 and outputting the synthesized audio data to the speaker 42, and the voice message converted into digital data by the audio unit 41; Voice memory 43 for storing under control of ') is provided.

The microphone 40 and the speaker 42 may be installed on the cooking guide plate of the microwave oven case.

The operation of the microwave oven according to the present invention configured as described above will be described in more detail with reference to FIGS. 2 and 3 as follows.

In the microwave oven according to the present invention, as shown in FIG. 3, a key input step S10 for receiving a key signal through a key input unit 33 ′, and a key corresponding to a cooking menu in the key input step S10. When the signal is input, the cooking process (S11-S15) for performing cooking by driving the magnetron (M) according to the selected cooking menu.

On the other hand, when the key signal for recording is input in the key input step (S10), the microwave oven according to the present invention processes the message received through the microphone 40 and stores the message stored in the voice memory 43 ( S16-S18), and if a key signal for reproduction is input in the key input step S10 or if a predetermined time t elapses after the start of the message storing step S16-S18, the prestored message is output. A message reproducing step (S19-S21) notifying through 42 is performed.

That is, in steps S11 of the cooking steps S11-S15, the controller 30 ′ determines whether the key signal corresponds to the cooking menu through the key input unit 33 ′, and then, in step S12, the door sensing unit Detects whether the microwave oven door is opened / closed through the 34. If the door is open, the process returns to step S11. If the door is closed, cooking is performed by varying the driving time of the magnetron M in step S13 according to the selected cooking menu. In this way, while the magnetron M is being driven, it is determined whether the cooking time set according to the cooking menu selected in the key input step S10 has elapsed in step S14. As a result of the determination, if the cooking time has not yet elapsed, the steps S13 and S14 continue to be performed. If the set cooking time elapses, the control unit 30 'controls the switching unit 37 at step S15. Applies to stop the operation of the magnetron (M).

Meanwhile, as a result of the determination in step S11 of the cooking steps S11 to S15, if the input key signal is not for the cooking menu, steps S16 of the message storing steps S16 to S18 are performed. In step S16, the controller 30 'determines whether the key signal input through the key input unit 33' is a recording key signal. As a result of the determination, when the recording key signal is input, the controller 30 'drives the audio unit 41 so that the voice message from the microphone 40 is received by the audio unit 41. Here, the voice message may leave a message required for going out, for example, or may be related to a heating time or a cooking method of the food to be cooked. In addition, life information such as important appointment time or to-do can be stored as a voice message.

The controller 30 'stores the digital data converted and output from the audio unit 41 in the voice memory 43 in step S17. In step S18, the controller 30 'starts to count the time using the built-in timer.

Meanwhile, as a result of the determination in the step S16 of the message storing step S16-S18, if the input key signal does not correspond to the recording key signal, the step S19 of the message reproducing steps S19-S21 is performed. do. In this step S19, the control section 30 'determines whether the key signal input through the key input section 33' is a reproducing key signal. When the playback key signal is input, in step S20, the controller 30 'reads out the digital message previously stored in the voice memory 43 and applies it to the audio unit 41. The audio unit 41 synthesizes the digital message applied from the control unit 30 'and outputs it to the speaker 42 in step S21. Therefore, returning children or others can receive the pre-stored messages using the microwave playback function as described above, and thus, various functions of the microwave can be more conveniently used.

Further, as a result of the determination in step S19 of the message storing step S16-S18, if the input key signal is not a reproducing key signal, step S22 is performed so that the count time started in step S18 is increased. It is determined whether a predetermined time (t) has elapsed. If it is determined that the predetermined time t has elapsed, in step S23, the controller 30 'reads the digital message previously stored in the voice memory 43 and applies it to the audio unit 41, and in step S24. In operation, the speaker 42 is driven to reproduce the stored message, and the timer is reset.

In this way, by using the timer built in the control unit 30 ′, the pre-stored message is reproduced at a desired time, so that life information such as an appointment time or a to-do list can be stored without forgetting.

On the other hand, if the counted time has not yet reached a predetermined time t as a result of the determination in step S22, the process returns to step S10.

As described above, in the present invention, a recording and reproducing key is installed in the key input unit 33 ', and a microphone 40 and a speaker 42 are installed on the cooking guide plate of the microwave oven to store and store a desired message in the microwave oven. Make it playable. The present invention enables to store and reproduce the information on the cooking method or various living information, so that various functions of the microwave can be used more conveniently and usefully.

Claims (2)

In a microwave oven having a key input unit for generating a key signal, and a control unit for controlling the cooking process and the overall operation of the microwave oven in accordance with the key signal from the key input unit, A microphone and a speaker respectively installed on the cooking guide plate for input / output of a voice message; An audio unit converting a voice message input through the microphone into digital data under the control of the controller and outputting the voice message to the controller or synthesizing an applied digital voice data to the speaker; And a voice memory for storing the digital data converted by the audio unit under control of the controller and applying the stored data to the audio unit according to a command of the controller. The key input unit includes a voice message recording and reproducing key, and the control unit controls a message recording operation when receiving a recording key signal from the key input unit, and regenerates a message when receiving a key signal for reproduction from the key input unit. Microwave oven having a message storage and playback function characterized by controlling the operation. The method of claim 1, wherein the control unit When the recording key signal is received, the built-in timer starts counting, and when the counted time reaches a predetermined time, the microwave storage having a message storage and playback function, characterized in that for reproducing the message stored in the voice memory.