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1. 发明专利

JP2014072127A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2014072127A
公开(公告)日：2014-04-21
申请号：JP2012219294
申请日：2012-10-01
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社
发明人： NOMURA SATOSHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To obtain an induction heating cooker which improves determination accuracy of existence/non-existence of a pot without increasing heating output at the time of low power output.SOLUTION: An induction heating cooker comprises control means 60 which determines that a pot 80 is not loaded on a top plate 90 in the case where a drive frequency of an inverter circuit 40 is equal to or lower than a frequency threshold, when an input current is equal to or lower than an input current threshold preset for each drive frequency; and determines that the pot 80 is not loaded on the top plate 90 in the case where the drive frequency of the inverter circuit 40 exceeds the frequency threshold, when the input current is equal to or lower than the input threshold preset for each drive frequency and an output current is equal to or lower than an output current threshold preset for each drive frequency.
摘要翻译：要解决的问题：获得一种在低功率输出时不增加加热输出的情况下提高锅的存在/不存在的判定精度的感应加热烹调器。解决方案：感应加热烹调器包括控制装置60，其控制装置在输入电流为每个驱动器预先设定的输入电流阈值以下的情况下，在反相器电路40的驱动频率等于或低于频率阈值的情况下，在顶板90上不装载电位器80 频率; 并且当输入电流等于或低于为每个驱动频率预设的输入阈值时，确定在反相器电路40的驱动频率超过频率阈值的情况下，罐80未被装载在顶板90上;以及输出电流等于或低于为每个驱动频率预设的输出电流阈值。

2. 发明专利

JP2014038871A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2014038871A
公开(公告)日：2014-02-27
申请号：JP2013243787
申请日：2013-11-26
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社
发明人： NOMURA SATOSHI , FUMIYA JUN , TAKESHITA MIYUKI , NAKAJIMA KOJI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To obtain an induction heating cooker which reduces poor reception and the like of a nearby radio by reducing radiation noise.SOLUTION: An induction heating cooker 1 according to the present embodiment comprises: a DC power supply circuit represented by katakana "a", an inverter circuit represented by katakana "i"; a resonance capacitor 224; an annular conductor 220a arranged so as to surround a circumferential lateral face of a heating coil 220; and a magnetic substance for reducing leakage of noise radiated from the heating coil 220. The heating coil 220 is attached to a coil base 220b for fixing the heating coil. The inverter circuit represented by katakana "i" and the resonance capacitor 224 are commonly mounted on the same wiring surface of a printed wiring board X. The printed wiring board X is attached to the coil base 220b in such a manner that a rear face of the wiring surface on which the inverter circuit represented by katakana "i" and the resonance capacitor 224 are mounted faces the coil base 220b.
摘要翻译：要解决的问题：获得通过减少辐射噪声来减少附近无线电的接收不良等的感应加热烹调器。解决方案：根据本实施例的感应加热烹调器1包括：由片假名“ a“，由片假名”i“表示的反相器电路; 谐振电容器224; 布置成围绕加热线圈220的周向侧面布置的环形导体220a; 以及用于减少从加热线圈220辐射的噪声泄漏的磁性物质。加热线圈220附接到用于固定加热线圈的线圈座220b。由片假名“i”表示的逆变器电路和谐振电容器224通常安装在印刷线路板X的同一布线面上。印刷线路板X以如下方式安装在线圈座220b上：由片假名“i”表示的反相器电路和谐振电容器224所安装的布线表面面向线圈架220b。

3. 发明专利

JP2013201147A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2013201147A
公开(公告)日：2013-10-03
申请号：JP2013142634
申请日：2013-07-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社
发明人： NOMURA SATOSHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To obtain an induction heating cooker which inhibits uneven heating and which can perform heating at higher power even when heating a cooking container having a larger diameter than a diameter of a heating coil included in the induction heating cooker.SOLUTION: An induction heating cooker comprises: a top plate 2; a plurality of heating coils 37, 38; a plurality of inverter circuits 19, 20; an input power detection part 12; an input setting part 5; and a control part 44 for causing a display part 6 to display an operation state upon receiving an input from the input setting part 5 and controlling drive of the inverter circuits 19, 20. Heating operation modes which can be set at the input setting part 5 include a heating output unified mode for controlling a heating output to the plurality of heating coils 37, 38 in a unified manner and a heating output individual mode for controlling a heating output to the plurality of heating coils 37, 38 individually. The induction heating cooker further comprises: heating output display means and a guide display part.
摘要翻译：要解决的问题：获得抑制不均匀加热的感应加热烹调器，即使加热直径大于包括在感应加热烹调器中的加热线圈的直径的烹饪容器，也可以以更高的功率进行加热。解决方案：感应加热烹调器包括：顶板2; 多个加热线圈37,38; 多个反相器电路19,20; 输入功率检测部12; 输入设定部5; 以及控制部分44，用于使得显示部分6在从输入设置部分5接收到输入并且控制反相器电路19,20的驱动时显示操作状态。可以在输入设置部分5设置的加热操作模式包括用于统一控制对多个加热线圈37,38的加热输出的加热输出统一模式和用于分别控制对多个加热线圈37,38的加热输出的加热输出单独模式。感应加热烹调器还包括：加热输出显示装置和引导显示部分。

4. 发明专利

JP2013131352A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2013131352A
公开(公告)日：2013-07-04
申请号：JP2011279287
申请日：2011-12-21
申请人： Mitsubishi Electric Corp , 三菱電機株式会社 , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社
发明人： NOMURA SATOSHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To provide an induction heating cooker having a plurality of heating coils, which can drive the heating coil with high heating efficiency on which a load is detected.SOLUTION: An induction heating cooker comprises a control circuit 3 which derives a current adjustment factor from load resistance R of a heating coil 7a based on a relation between the load resistance R and the current adjustment factor, and calculates a product of the current adjustment factor and a current target current as an adjusted target current.
摘要翻译：要解决的问题：提供一种具有多个加热线圈的感应加热炊具，其可以以高加热效率驱动加热线圈，该加热线圈检测负载。解决方案：感应加热炊具包括控制电路3，其控制电流基于负载电阻R和电流调整系数之间的关系，加热线圈7a的负载电阻R的调节系数，并将电流调整系数与电流目标电流的乘积作为调整后的目标电流进行计算。

5. 发明专利

JP2011253682A Induction heating cooking device 有权
标题翻译：感应加热烹饪器具
公开(公告)号：JP2011253682A
公开(公告)日：2011-12-15
申请号：JP2010125996
申请日：2010-06-01
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社 , 三菱電機株式会社
发明人： NOMURA SATOSHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To provide an induction heating cooking device for suppressing a sound produced from a heating-target pot at the time of switching between a heating period and a heating idle period when a magnitude of heating output is equal to or less than a predetermined value.SOLUTION: The induction heating cooking device comprises control means 20 for setting, when a heating power equal to or less than a predetermined power is set, a heating period of outputting the predetermined power from an inverter circuit 3 and a heating idle period of stopping the output, operating in an intermittent heating mode in which the heating period and the heating idle period are alternately repeated, and controlling a ratio of lengths of the heating period and the idle period in response to the set heating power. The control means 20 stores a driving signal level of the inverter circuit 3 when the heating period is terminated, gradually lowers the driving signal level resulting in stopping of the inverter circuit 3. When the heating period is initiated, the control means 20 gradually raises the driving signal level of the inverter circuit 3 from a low-power level and executes feedback control after outputting the stored driving signal level or the predetermined driving signal level, thereby suppressing production of the sound.
摘要翻译：要解决的问题：提供一种感应加热烹饪装置，用于在加热输出的大小等于或等于或等于加热期间和加热空闲期间之间切换时抑制从加热目标锅产生的声音小于预定值。感应加热烹调装置包括控制装置20，用于当设定等于或小于预定功率的加热功率时，设置从逆变器电路3输出预定功率的加热时段和加热空闲周期在间歇加热模式中停止输出，其中加热周期和加热空闲时段交替重复，并且响应于设定的加热功率来控制加热周期和空闲周期的长度比。控制装置20在加热期间结束时存储逆变器电路3的驱动信号电平，逐渐降低导致逆变器电路3停止的驱动信号电平。当开始加热期间时，控制装置20逐渐升高从低功率电平进行逆变器电路3的驱动信号电平，并且在输出存储的驱动信号电平或预定驱动信号电平之后执行反馈控制，从而抑制声音的产生。版权所有（C）2012，JPO＆INPIT

6. 发明专利

JP2010257996A Induction heating cooking device 有权
标题翻译：感应加热烹饪器具
公开(公告)号：JP2010257996A
公开(公告)日：2010-11-11
申请号：JP2010181900
申请日：2010-08-16
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社 , 三菱電機株式会社
发明人： NOMURA SATOSHI
IPC分类号： H05B6/12 , H05B6/44
CPC分类号： Y02B40/126
摘要： PROBLEM TO BE SOLVED: To obtain an induction heating cooking device capable of heating both an iron pan and an aluminum pan having a difference in their skin resistance, without depending on switching of contact connection by a relay or the like serving as a switching arrangement.
SOLUTION: Either the same phase or the opposite phase is selected for the phase of a drive signal of arms for inner/outer heating coils 4, 5 in accordance with characteristics of the electric resistance of a material for a pan 7 to be heated, the arms 3V, 3U, 3W are driven by drive circuits 19V, 19U, 19W at the selected phase, and the difference between the output potentials of the respective arms is impressed on each load circuit.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了获得能够加热其皮肤电阻差异的铁锅和铝盘的感应加热烹饪器具，而不依赖于用作继电器等的接触连接的切换切换布置。解决方案：根据用于锅7的材料的电阻的特性，为内/外加热线圈4,5的臂的驱动信号的相位选择相同的相位或相反的相位加热时，臂3V，3U，3W由选择的相位的驱动电路19V，19U，19W驱动，并且各臂的输出电位之间的差异被施加在每个负载电路上。版权所有（C）2011，JPO＆INPIT

7. 发明专利

JP2010251245A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2010251245A
公开(公告)日：2010-11-04
申请号：JP2009102054
申请日：2009-04-20
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社 , 三菱電機株式会社
发明人： NOMURA SATOSHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To obtain an induction heating cooker capable of reducing an uneven cooking and heating food with higher heating power, even when heating a cookware with the larger diameter than that of a heating coil equipped at the induction heating cooker. SOLUTION: The induction heating cooker has a top plate 2, a plurality of heating coils 37, 38 mounted under the top plate 2, a plurality of inverter circuits 19, 20 to supply a high-frequency power to the heating coil, an input-power detector 12 to detect the input power of the inverter circuit, an input setter 5 capable of setting a heating output and a heating-operation mode, and a controller 44 to display an operating condition in a display unit 6 on receipt of the input from the input setter 5, and to actuate and control the inverter circuits 19, 20. Further, the cooker has, in the heating-operation mode capable of setting in the input setter 5, a heating-output integrating mode to integrally control the heating output to the plurality of heating coils 37, 38, and an individually heating-output setting mode to individually control the heating output to the plurality of heating coils 37, 38. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：即使在加热具有比在感应加热烹调器中配备的加热线圈的直径大的直径的炊具的情况下，也能获得能够减少不均匀烹调和加热食物的感应加热烹调器。解决方案：感应加热烹调器具有顶板2，安装在顶板2下方的多个加热线圈37,38，多个逆变器电路19,20，用于向加热线圈提供高频电力，用于检测逆变器电路的输入功率的输入功率检测器12，能够设定加热输出和加热操作模式的输入设定器5，以及在接收到显示单元6时显示操作状态的控制器44 来自输入设定器5的输入，并且启动和控制逆变器电路19,20。此外，炊具具有能够在输入设定器5中设定的加热操作模式中的加热 - 输出积分模式，以一体控制加热输出到多个加热线圈37,38，以及单独加热输出设定模式，以单独控制对多个加热线圈37,38的加热输出。版权所有：（C）2011，JPO＆INPIT

8. 发明专利

JP2010044984A Induction heating device 审中-公开
标题翻译：感应加热装置
公开(公告)号：JP2010044984A
公开(公告)日：2010-02-25
申请号：JP2008209493
申请日：2008-08-18
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社 , 三菱電機株式会社
发明人： NAKAJIMA KOJI , MATSUDA TETSUYA , SHIICHI HIROYASU , SAKURAI HARUO , NOMURA SATOSHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To provide an induction heating device capable of easily changing heating distribution of the bottom of a pan, and using compact and low-cost parts. SOLUTION: The device includes a heating coil 3, a high-frequency conversion circuit 4 to bias the heating coil, a rectifying means 6 which is connected to an alternating-current source and supplies a rectifying output to the high-frequency conversion circuit, a conductive ring 7 arranged nearly concentically to the heating coil, a current-carrying resistance-changing means 8 for changing current-carrying resistance of the conductive ring, a detecting means 9 (9A) for detecting zero-cross of the alternating-current power source or detecting that an absolute value of voltage in the vicinity of the zero-cross falls below a prescribed value, and a control means 10 for actuating the current-carrying resistance-changing means based on a detection result of the detecting means. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够容易地改变锅的底部的加热分布并且使用紧凑且低成本的部件的感应加热装置。解决方案：该装置包括加热线圈3，用于偏置加热线圈的高频转换电路4，连接到交流电源的整流装置6，并将整流输出提供给高频转换电路，与加热线圈几乎同心配置的导电环7，用于改变导电环的载流电阻的载流电阻改变装置8，用于检测交流电流的零交叉的检测装置9（9A）检测过零电压附近的电压的绝对值低于规定值的控制装置10，以及基于检测装置的检测结果来驱动通电电阻变化单元的控制装置10。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009289594A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2009289594A
公开(公告)日：2009-12-10
申请号：JP2008141087
申请日：2008-05-29
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社 , 三菱電機株式会社
发明人： NOMURA SATOSHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To provide an induction heating cooker in which, when boiled and cooked, food material is sufficiently stirred regardless of the amount of the food material which is cooked food, and which prevents electric power from being uselessly consumed by excessive stirring. SOLUTION: The induction heating cooker includes: an induction heating device 2 having a high-frequency power supply 3 and a heating coil 4; a cooked food amount-estimating means 14 by which the induction heating device is controlled so that a prescribed heating power is output and the amount of the cooked food in a pan 5 which is induction-heated by the prescribed heating power is estimated; an output time determination means 15 by which an output time of high heating power is determined according to the amount of the cooked food estimated by the cooked food amount estimating means 14; and a heating power control means 16 by which, when the output time of the high heating power is determined, the induction heater 2 is controlled so that the high heating power and low heating power are alternatively output by having the output time of the high heating power and the pre-set output time of the low heating power as cycles. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种感应加热烹调器，其中当烹饪和煮熟时，食物材料被充分搅拌，而不管烹饪食物的食物的量如何，并且防止电力被无用的消耗过度搅拌。感应加热烹调器包括：具有高频电源3和加热线圈4的感应加热装置2; 烹调食物量估计装置14，通过该烹调食物量估计装置14控制感应加热装置，使得输出规定的加热功率，并且估计通过规定加热功率感应加热的锅5中的熟食量; 输出时间确定装置15，根据由烹饪食物量估计装置14估计的熟食量确定高加热功率的输出时间; 以及加热功率控制装置16，通过该加热功率控制装置16，当确定高热功率的输出时间时，控制感应加热器2，使得通过具有高加热的输出时间来交替地输出高加热功率和低加热功率功率和低功率的预设输出时间作为周期。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2009117057A Induction-heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2009117057A
公开(公告)日：2009-05-28
申请号：JP2007285818
申请日：2007-11-02
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社 , 三菱電機株式会社
发明人： NOMURA SATOSHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To provide an induction heating cooker capable of heating in a high-efficiency state with a loss kept low in a wider heating output level, while restraining interference sound generated due to difference of driving frequencies in case of using a plurality of heating ports.
SOLUTION: The cooker is provided with an inverter 8 equipped with two pairs of arms having switching elements connected in series, and a control means 15 controlling an operation of the inverter 8. The two pairs of arms constitute a full-bridge circuit, and the control means 15 fixes a driving frequency of the switching elements at a given frequency to enlarge a driving phase difference if an output of the inverter 8 is to be enlarged, and puts a driving frequency of the switching elements below the given frequency if an output of the inverter 8 is to be enlarged even after the driving phase difference reaches an upper limit value.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够以更高的加热输出水平保持低损失的高效率状态加热的感应加热烹调器，同时抑制由于使用时的驱动频率的差异而产生的干扰声多个加热口。解决方案：炊具装有逆变器8，其具有串联连接的开关元件的两对臂和控制逆变器8的操作的控制装置15.两对臂构成全桥电路并且如果要增大反相器8的输出，则控制装置15以给定的频率固定开关元件的驱动频率以增大驱动相位差，并且将开关元件的驱动频率设置在给定频率以下，如果即使在驱动相位差达到上限值之后，逆变器8的输出也将被扩大。版权所有（C）2009，JPO＆INPIT

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