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公开(公告)号：US20090152260A1
公开(公告)日：2009-06-18
申请号：US12162771
申请日：2007-01-31
申请人： Tomoya Fujinami , Masaharu Ohashi , Takeshi Kitaizumi , Izuo Hirota , Hiroshi Tominaga , Kenji Watanabe
发明人： Tomoya Fujinami , Masaharu Ohashi , Takeshi Kitaizumi , Izuo Hirota , Hiroshi Tominaga , Kenji Watanabe
IPC分类号： H05B6/02
CPC分类号： H05B6/062 , H05B2213/07
摘要： An induction heating device includes a top plate arranged to have an object placed thereon, a heating coil receiving a high-frequency current to inductively heat the object, an infrared ray sensor for outputting a signal in accordance with energy of received infrared ray, a temperature detector for detecting a temperature of the object based on the signal output from the infrared ray sensor, a heating controller for controlling the high-frequency current supplied to the heating coil based on the detected temperature, and a failure determining unit for determining whether the infrared ray sensor has a failure or not. This induction heating device can detect the failure of the infrared ray sensor, and thus stops or suppresses the heating upon detecting the failure of the infrared ray sensor.
摘要翻译： 感应加热装置包括布置成具有放置在其上的物体的顶板，接收高频电流以加热物体的加热线圈，用于根据接收到的红外线的能量输出信号的红外线传感器，温度 检测器，用于基于从红外线传感器输出的信号检测物体的温度;加热控制器，用于基于检测到的温度控制供给到加热线圈的高频电流;以及故障判定单元，用于确定红外线 射线传感器有失败。 该感应加热装置可以检测红外线传感器的故障，从而在检测到红外线传感器的故障时停止或抑制加热。
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公开(公告)号：US08247748B2
公开(公告)日：2012-08-21
申请号：US12665981
申请日：2008-06-23
申请人： Kenji Watanabe , Izuo Hirota , Hiroshi Tominaga , Tomoya Fujinami , Keiko Isoda
发明人： Kenji Watanabe , Izuo Hirota , Hiroshi Tominaga , Tomoya Fujinami , Keiko Isoda
IPC分类号： H05B6/12
CPC分类号： H05B6/062 , H05B2213/07
摘要： An induction heating cooker includes a cooking container heating coil, an inverter circuit to supply high-frequency current to the heating coil, an infrared ray sensor to detect radiation from the container, an electric power integrating section to integrate heating electric power from the inverter circuit, and a heating control section to control an inverter circuit output. If the power integrating section has less than a predetermined value when an increase in the output of the infrared ray sensor has a first value after start of heating, the cooker shifts to a first heating control mode and, if equal to or more than the predetermined value, shifts to a second heating control mode. The power, in the first heating control mode, is reduced to a second amount of power lower than the first amount and, in the second heating control mode, is a third amount larger than the second amount.
摘要翻译： 感应加热烹调器包括烹调容器加热线圈，向加热线圈供给高频电流的逆变器电路，检测来自容器的辐射的红外线传感器，将来自逆变器电路的加热电力进行积分的电力积分部 以及控制逆变器电路输出的加热控制部。 如果红外线传感器的输出的增加在开始加热之后具有第一值，则功率积分部分的功率积分部分小于预定值，则烹调器转移到第一加热控制模式，如果等于或大于预定值 值转换到第二加热控制模式。 在第一加热控制模式中的功率被减小到低于第一加热控制模式的第二功率量，并且在第二加热控制模式中，该功率是比第二加热量大的第三量。
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公开(公告)号：US20100176120A1
公开(公告)日：2010-07-15
申请号：US12665981
申请日：2008-06-23
申请人： Kenji Watanabe , Izuo Hirota , Hiroshi Tominaga , Tomoya Fujinami , Keiko Isoda
发明人： Kenji Watanabe , Izuo Hirota , Hiroshi Tominaga , Tomoya Fujinami , Keiko Isoda
CPC分类号： H05B6/062 , H05B2213/07
摘要： There is provided an induction heating cooker capable of preventing a pan having a pan bottom warped in a convex shape or a pan having a pan bottom with a small thickness from being excessively heated. The induction heating cooker includes a heating coil (2) operable to perform induction heating of a cooking container, an inverter circuit (7) operable to supply a high-frequency current to the heating coil, an infrared ray sensor (3) operable to detect an infrared ray radiated from the cooking container, an electric power integrating section (81) operable to integrate an amount of heating electric power outputted from the inverter circuit, and a heating control section (82) operable to control the output of the inverter circuit. If an integrated value from the electric power integrating section is less than a predetermined value when an amount of increase in the output of the infrared ray sensor has reached a first predetermined value after a start of heating with a first amount of heating electric power, the induction heating cooker shifts to a first heating control mode. If the integrated value from the electric power integrating section is equal to or more than the predetermined value, the induction heating cooker shifts to a second heating control mode. In the first heating control mode, the amount of heating electric power is reduced to a second amount of heating electric power lower than the first amount of heating electric power. In the second heating control mode, heating is performed with a third amount of heating electric power which is larger than the second amount of heating electric power.
摘要翻译： 提供一种感应加热烹调器，其能够防止具有凸起的盘底的盘或具有小厚度的盘底的盘过度加热。 感应加热烹调器包括可操作以进行烹调容器的感应加热的加热线圈（2），可操作以向加热线圈提供高频电流的逆变器电路（7），可操作以检测 从烹调容器辐射的红外线，能够将从逆变器电路输出的加热电力的量积分的电力积分部（81）和用于控制逆变器电路的输出的加热控制部（82）。 如果在第一加热电力开始加热之后，当红外线传感器的输出的增加量达到第一预定值时，来自电力积分部分的积分值小于预定值，则 感应加热烹调器转换到第一加热控制模式。 如果来自电力积分部的积分值为规定值以上，则感应加热烹调器转移到第二加热控制模式。 在第一加热控制模式中，加热电力的量减少到比第一加热电力低的第二加热电力量。 在第二加热控制模式中，以比第二加热电力大的第三加热功率进行加热。
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公开(公告)号：US08334487B2
公开(公告)日：2012-12-18
申请号：US12278696
申请日：2007-02-07
IPC分类号： H05B6/12
CPC分类号： H05B6/062 , H05B2213/07
摘要： An induction heating cooking device includes a heating coil (8) that induction-heats a cooking container, an infrared sensor (10) that detects infrared radiation which is emitted from a bottom surface of the cooking container and that outputs a detection signal based on the quantity of energy of the detected infrared radiation, and a heating control section (9) that controls supply of electric power to the heating coil based on the detection signal. When the temperature of the bottom surface of the cooking container is equal to or higher than a first predetermined temperature which is higher than 230 degrees C., the infrared sensor (10) outputs the detection signal, and when the bottom-surface temperature is lower than the first predetermined temperature, the infrared sensor (10) does not output the detection signal substantially.
摘要翻译： 一种感应加热烹饪装置，包括：加热线圈（8），其对烹调容器进行感应加热;红外线传感器（10），其检测从所述烹饪容器的底面发射的红外线辐射，并且基于所述烹饪容器输出检测信号 检测出的红外线辐射量的能量，以及基于检测信号控制对加热线圈的电力供给的加热控制部（9）。 当烹饪容器的底面的温度等于或高于高于230℃的第一预定温度时，红外传感器（10）输出检测信号，并且当底面温度较低时 红外线传感器（10）不比第一预定温度大的输出检测信号。
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公开(公告)号：US20090014438A1
公开(公告)日：2009-01-15
申请号：US12278696
申请日：2007-02-07
IPC分类号： H05B6/12
CPC分类号： H05B6/062 , H05B2213/07
摘要： There is provided an induction heating cooking device capable of enhancing detection sensitivity of higher temperatures in cases of using a small amount of oil and capable of preventing reduction of the heating output in cases of cooking at relatively lower temperatures.An induction heating cooking device includes a heating coil (8) that induction-heats a cooking container, an infrared sensor (10) that detects infrared radiation which is emitted from a bottom surface of the cooking container and that outputs a detection signal based on the quantity of energy of the detected infrared radiation, and a heating control section (9) that controls supply of electric power to the heating coil based on the detection signal. When the temperature of the bottom surface of the cooking container is equal to or higher than a first predetermined temperature which is higher than 230 degrees C., the infrared sensor (10) outputs the detection signal, and when the bottom-surface temperature is lower than the first predetermined temperature, the infrared sensor (10) does not output the detection signal substantially. The heating control section (9) reduces or stops the electric power supplied to the heating coil when the bottom-surface temperature of the cooking container is equal to or higher than a second predetermined temperature which is higher than the first predetermined temperature and is lower than an ignition temperature of oil.
摘要翻译： 提供一种感应加热烹饪装置，其能够在使用少量油的情况下提高较高温度的检测灵敏度，并且能够在相对较低的温度下烹饪的情况下防止减少加热输出。 一种感应加热烹饪装置，包括：加热线圈（8），其对烹调容器进行感应加热;红外线传感器（10），其检测从所述烹饪容器的底面发射的红外线辐射，并且基于所述烹饪容器输出检测信号 检测出的红外线辐射量的能量，以及基于检测信号控制对加热线圈的电力供给的加热控制部（9）。 当烹饪容器的底面的温度等于或高于高于230℃的第一预定温度时，红外传感器（10）输出检测信号，并且当底面温度较低时 红外线传感器（10）不比第一预定温度大的输出检测信号。 当烹饪容器的底面温度等于或高于高于第一预定温度的第二预定温度并且低于第一预定温度时，加热控制部分（9）减少或停止供应到加热线圈的电力 油的点火温度。
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公开(公告)号：US20090001072A1
公开(公告)日：2009-01-01
申请号：US12279109
申请日：2007-02-20
IPC分类号： H05B6/12
CPC分类号： H05B6/062 , H05B2213/07
摘要： An induction heating cooker including a top plate where a pan is placed; a heating coil for induction heating the pan; an inverter circuit for supplying a high frequency current to the heating coil; an infrared sensor, which is arranged under the heating coil and detects an infrared light radiated from the pan; a light guiding part including an upper opening formed at an upper end facing the top plate and a lower opening formed at a lower end, and guiding the infrared light from the pan to the infrared sensor; and a control unit for controlling an output of the inverter circuit according to an output from the infrared sensor; wherein the light guiding part includes a nonmetallic material part in which the upper opening is formed upper than a lower surface of the heating coil.
摘要翻译： 一种感应加热烹调器，包括放置锅的顶板; 用于感应加热锅的加热线圈; 用于向所述加热线圈提供高频电流的逆变器电路; 红外线传感器，其布置在加热线圈下方并检测从盘辐射的红外光; 导光部，其包括形成在面向上板的上端的上开口和形成在下端的下开口，并且将红外光引导到红外传感器; 以及控制单元，用于根据红外线传感器的输出来控制逆变器电路的输出; 其中，所述导光部包括非金属材料部，所述上部开口形成在所述加热线圈的下表面的上方。
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公开(公告)号：US08350197B2
公开(公告)日：2013-01-08
申请号：US12279109
申请日：2007-02-20
IPC分类号： H05B6/12
CPC分类号： H05B6/062 , H05B2213/07
摘要： An induction heating cooker including a top plate where a pan is placed; a heating coil for induction heating the pan; an inverter circuit for supplying a high frequency current to the heating coil; an infrared sensor, which is arranged under the heating coil and detects an infrared light radiated from the pan; a light guiding part including an upper opening formed at an upper end facing the top plate and a lower opening formed at a lower end, and guiding the infrared light from the pan to the infrared sensor; and a control unit for controlling an output of the inverter circuit according to an output from the infrared sensor; wherein the light guiding part includes a nonmetallic material part in which the upper opening is formed upper than a lower surface of the heating coil.
摘要翻译： 一种感应加热烹调器，包括放置锅的顶板; 用于感应加热锅的加热线圈; 用于向所述加热线圈提供高频电流的逆变器电路; 红外线传感器，其布置在加热线圈下方并检测从盘辐射的红外光; 导光部，其包括形成在面向上板的上端的上开口和形成在下端的下开口，并且将红外光引导到红外传感器; 以及控制单元，用于根据红外线传感器的输出来控制逆变器电路的输出; 其中，所述导光部包括非金属材料部，所述上部开口形成在所述加热线圈的下表面的上方。
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公开(公告)号：US08212192B2
公开(公告)日：2012-07-03
申请号：US12528911
申请日：2008-08-13
CPC分类号： H05B6/062 , H05B2213/07
摘要： An infrared sensor includes an infrared detection element which is provided on a lower side of a top plate to detect an amount of infrared light radiated from a heated object and an amplifier to amplify a signal detected by the infrared detection element. The infrared sensor outputs an initial detection value having a substantially constant magnitude with respect to the temperature of the heated object when the temperature of the heated object is lower than a detection lower limit temperature, and outputs a detection signal having a magnitude and a rate of increase which become larger as the temperature of the heated object becomes higher in the vicinity of a control temperature range in which the control unit controls the output of the induction heating coils to perform temperature control of the heated object. The control unit includes a storage unit to measure and store the initial detection value, and reduces the output of the induction heating coils or stops the heating when an increased amount of the output value of the infrared sensor with respect to the initial detection value stored in the storage unit becomes greater than or equal to a predetermined value.
摘要翻译： 红外线传感器包括红外线检测元件，该红外线检测元件设置在顶板的下侧，以检测从被加热物体辐射的红外光的量和放大器，以放大由红外线检测元件检测的信号。 当加热物体的温度低于检测下限温度时，红外线传感器输出相对于被加热物体的温度具有基本恒定幅度的初始检测值，并且输出具有幅度和速率的检测信号 随着加热对象的温度在控制单元控制感应加热线圈的输出以控制被加热物体的温度控制的控制温度范围附近变得更高。 控制单元包括测量和存储初始检测值的存储单元，并且当红外传感器的输出值相对于存储在初始检测值中的增加的量增加时，减小感应加热线圈的输出或停止加热 存储单元变得大于或等于预定值。
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公开(公告)号：US20100065551A1
公开(公告)日：2010-03-18
申请号：US12529261
申请日：2008-03-11
IPC分类号： H05B6/12
CPC分类号： H05B6/062 , H05B2213/07
摘要： An infrared sensor 26 is provided on a lower side of a top plate 2 to detect an amount of infrared light radiated from a heated object 20. The infrared sensor 26 outputs an detection signal having a substantially constant magnitude with respect to the temperature of the heated object 20 when the temperature of the heated object 20 is lower than a detection lower limit temperature, and outputs a detection signal having magnitude and rate of increase which become larger as the temperature of the heated object 20 becomes higher when the temperature of the heated object 20 is not lower than the detection lower limit temperature. The control unit 29 includes a storage unit 29a operable to store the output value of the infrared sensor 26 immediately after start of heating as an initial detection value, and reduces the output of the induction heating coils or stops the heating when an increased amount with respect to the initial detection value becomes greater than or equal to a predetermined value.
摘要翻译： 红外传感器26设置在顶板2的下侧，以检测从受热物体20辐射的红外线的量。红外传感器26输出相对于被加热物体20的温度具有基本上恒定幅度的检测信号。 当被加热物体20的温度低于检测下限温度时，当被加热物体20的温度变高时，输出具有随着受热物体20的温度变大的大小和增加率的检测信号 20不低于检测下限温度。 控制单元29包括存储单元29a，其可操作以将加热后立即将红外传感器26的输出值存储为初始检测值，并且减小感应加热线圈的输出或者当相对于 初始检测值变得大于或等于预定值。
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公开(公告)号：US08729434B2
公开(公告)日：2014-05-20
申请号：US12529248
申请日：2008-03-11
IPC分类号： H05B6/00
CPC分类号： H05B6/062 , H05B2213/07
摘要： An induction cooking device includes a heating coil performing induction heating of a cooking container placed on a top plate, an inverter circuit supplying high frequency current to the heating coil, an infrared sensor detecting an amount of infrared light radiated from the cooking container and outputting a detection signal based on the detected amount, a temperature sensor detecting a temperature of the cooking container by thermal conduction through the top plate, and a control unit controlling an output of the inverter circuit so that the outputs of the infrared and temperature sensors do not exceed the respective control temperature. The control unit judges whether or not the infrared sensor is normally detecting the temperature of the cooking container, and when it is judged that the infrared sensor is normally detecting the temperature of the cooking container, the control unit raises the control temperature of the temperature sensor.
摘要翻译： 一种感应加热装置，包括：加热线圈，其对放置在顶板上的烹调容器进行感应加热;向所述加热线圈供给高频电流的逆变器电路;红外线传感器，检测从所述烹饪容器辐射的红外线的量，并输出 基于检测量的检测信号，通过顶板热导检测烹饪容器的温度的温度传感器，以及控制逆变器电路的输出的控制单元，使得红外线和温度传感器的输出不超过 各控制温度。 控制单元判断红外线传感器是否正常地检测烹饪容器的温度，并且当判断红外传感器正常地检测到烹饪容器的温度时，控制单元提高温度传感器的控制温度 。
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