• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The present invention relates to a cancel key control method of an electric thermal cooker, and more particularly, to a cancel key control method of an electric thermal cooker that can control the operation of the unnecessary cancel key input during the execution of any function. The cancel key control method of the electric rice cooker includes: a first step of performing an arbitrary function according to a heating operation; a second step of recognizing an input of a cancel key during the execution of the first step; And a fourth step of determining whether the input is more than the time, and a fourth step of canceling the function currently in progress when the cancel key is input for the predetermined time or more.
    公开号:KR19990039902A
    申请号:KR1019970060145
    申请日:1997-11-14
    公开日:1999-06-05
    发明作者:전준섭
    申请人:구자홍；엘지전자 주식회사；
    IPC主号:
    专利说明:

    How to control cancel key of electric rice cooker
    The present invention relates to a cancel key control method of an electric thermal cooker, and more particularly, to a cancel key control method of an electric thermal cooker that can control the operation of the unnecessary cancel key input during the execution of any function.
    In a general electric thermal rice cooker, a specific function is set for each key signal, and when a specific key signal is input, a function set to the input key signal is performed.
    That is, as can be seen in Figure 1, the electric rice cooker has a plurality of keys, each key is input to the control unit 10 through a separate terminal. Therefore, when the user selects the warm / reheat key SW3, a current path is formed between the power supply unit 20 and the control unit 10 through the key SW3, and a high signal is transmitted to the terminal P00 of the control unit 10. Is input. When the high signal is input to the terminal P00 in this way, the controller 10 recognizes that the warm or reheat signal is input.
    In this process, the control unit 10 detects which terminal a high signal is input to, and controls to perform a function set at a terminal to which the high signal is applied.
    While performing any function according to the heating operation (for example, cooking function) in the electric rice cooker configured as described above (step 101), when the cancel key (SW1) is selected and the cancel key is input for 100 ms or more time (second In step 103, the controller 10 recognizes an input of a cancel key and cancels a function currently being performed (step 107). In operation 109, the system enters the cancel mode.
    However, when the time for which the cancel key SW1 is selected does not reach 100 ms, the controller 10 determines that the key signal selection is malfunctioning, and continues to perform a function according to the heating operation currently in progress. step).
    That is, in the conventional electric rice cooker, if the cancel key is input for 100 ms or more while performing a function according to the heating operation, the mode in progress is canceled. However, since the time of 100 ms is a very short time, when the user presses the cancel key by mistake or when the cancel key is selected due to the mischief of a child, the controller 10 immediately cancels the function. Due to this, there is a problem that the performance of the function due to the normal heating operation is not made.
    Such a problem leads to waste of materials, which in turn causes consumers to misunderstand the product.
    Accordingly, an object of the present invention is to provide a cancellation key control method of an electric thermal cooker which can eliminate the switching to the cancellation mode by the instantaneous cancellation of the input key, and can proceed with the cancellation mode more reliably.
    1 is a state diagram showing a matrix according to the height configured in a general electric rice cooker,
    2 is an operation flowchart according to a cancellation key control process of a conventional electric rice cooker,
    Figure 3 is an operation flowchart according to the cancellation key control process of the electric thermal rice cooker of the present invention.
    * Explanation of symbols for the main parts of the drawings
    10: control unit 20: power supply unit
    SW1, SW2, ...: function keys
    In order to achieve the above object, the control method for canceling an electric heat cooker of the present invention includes a first step of performing an arbitrary function according to a heating operation and a step of recognizing an input of a cancel key during the execution of the first step. And a second step of determining whether the cancel key is input for a predetermined time or more, and a fourth step of canceling a function currently in progress when the cancel key is input for a predetermined time or more.
    Cancel key control method of the electric thermal rice cooker of the present invention, in order to prevent the switching to the cancel mode by the instantaneous cooking key input, the cancel key is canceled from the control unit only if the cancel key is applied for 2 seconds or more during the performance of the function Characterized in switching to the mode.
    Hereinafter, with reference to the accompanying drawings will be described in detail with respect to the cancel key control method of the electric thermal rice cooker according to the present invention.
    3 is an operation flowchart according to the cancellation key control process of the electric thermal rice cooker of the present invention. The necessary hardware configuration will be described with reference to FIG. 1.
    As shown in FIG. 1, the control unit 10 inputs signals to a plurality of terminals, a plurality of switches (SW1..., Respectively) connected to respective terminals of the control unit 10, and the switches. And a power supply unit 20 for applying a high state voltage to the selected terminal of the control unit 10 when the current path is formed by the on operation of (SW1, ...).
    In the electric thermal rice cooker configured as described above, when the rice and water are put into the user rice cooker and an operation for cooking rice is performed, the catering key (SW2) is selected.
    When the cooking key SW2 is selected, a high state voltage of +5 volts supplied from the power supply unit 20 is supplied to the terminal P12 of the controller 10, and the controller 10 is a terminal to which a high signal is input. Knows P12, and recognizes that the cooking key is selected. In this manner, when a command according to cooking is input to the controller 10, the controller 10 performs the cooking function (step 201).
    Next, when the user selects the cancel key SW1 while the heating means (not shown) or the like is heated under the control of the controller 10, the high signal is transmitted to the terminal P13 of the controller 10. Is applied (step 203).
    At this time, the controller 10 determines whether the time for which the high signal is input to the terminal P13 has elapsed for a predetermined time (about 2 seconds) or more (step 207). Because, when the user presses the cancel key by mistake or the cancel key is input due to the mischief of a child, the time for which the cancel key is selected becomes very short. Then, the controller 10 determines that the cancel key is selected due to a malfunction of the key signal selection, and continues to perform the cooking function (step 205).
    In the step 207, when the time for which the high signal is input to the terminal P13 of the control unit 10 has elapsed for a predetermined time (about 2 seconds) or more, the control unit 10 normally cancels the key ( It is recognized that SW1) is selected, and the cooking function currently in progress is stopped (step 209). Accordingly, when the user wants to select the cancel key while performing a specific function, the user must press the cancel key SW1 for at least 2 seconds.
    Then, the operation proceeds to the cancellation mode (step 211).
    That is, the present invention is to perform the cancellation mode only when the cancel key is applied for 2 seconds or more during the performance of the heating operation, such as cooking function in the electric heat cooker.
    As described above, the cooking key control method of the electric thermal rice cooker according to the present invention, the abnormal cooking of the abnormal cooking occurring when the cancel key is input due to the mistake of the consumer or the mischief of the children while the electric heating rice cooker is in progress. It is a very useful invention that can reduce the waste of rice and field claims by preventing misjudgment.
    权利要求:
    Claims (1)
    [1" claim-type="Currently amended] A first step of performing an arbitrary function according to a heating operation, a second step of recognizing an input of a cancel key, and a third step of determining whether a cancel key has been input for a predetermined time or more during the execution of the first step; , When the cancel key is input for more than a predetermined time, the cancel key control method of the electric insulation rice cooker comprising a fourth step of minimizing the current function.
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    同族专利:
    公开号 | 公开日
    KR100235435B1|1999-12-15|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    法律状态:
    1997-11-14|Application filed by 구자홍, 엘지전자 주식회사
    1997-11-14|Priority to KR1019970060145A
    1999-06-05|Publication of KR19990039902A
    1999-12-15|Application granted
    1999-12-15|Publication of KR100235435B1
    优先权:
    申请号 | 申请日 | 专利标题
    KR1019970060145A|KR100235435B1|1997-11-14|1997-11-14|Control method of the electric rice cooker|
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