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1. 发明专利

JP2012164580A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2012164580A
公开(公告)日：2012-08-30
申请号：JP2011025362
申请日：2011-02-08
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： NISHI KENICHIRO , SHIICHI HIROYASU , SAKURAI HARUO , TAKANO KOSHIRO , MORII AKIRA , SAITO KEISUKE
IPC分类号： H05B6/12
CPC分类号： H05B6/062
摘要： PROBLEM TO BE SOLVED: To obtain an induction heating cooker capable of inhibiting the contents of a heated object from reaching an operation part by boiling-over.SOLUTION: An induction heating cooker has: a top plate 2; a heating coil 8 heating a pot 12; a driving circuit 10; an operation part 4 provided on the same plane as the top plate 2 and by which an operation for heating power control of the heating coil 8 is input; a plurality of electrodes 7 arranged in a circumferential direction on an outer periphery side of the heating coil 8; electrostatic capacitance detection means 11 measuring an electrostatic capacitance of the electrode 7; and a control circuit 13 detecting occurrence of boiling-over based on variation in the electrostatic capacitance of the electrode 7, and controlling the driving circuit 10 to stop the driving circuit 10 or to reduce a high-frequency current to be made to flow in the heating coil 8. The sensitivity for detecting the occurrence of boiling-over by the electrode 7 arranged between the heating coil 8 and the operation part 4 among the plurality of electrodes 7 is higher compared with the other electrodes 7.
摘要翻译：要解决的问题：获得能够通过煮沸来抑制加热物体的内容物到达操作部的感应加热烹调器。感应加热烹调器具有：顶板2; 加热盘8，加热锅12; 驱动电路10; 设置在与顶板2相同的平面上并且用于加热加热线圈8的功率控制的操作的操作部分4; 在加热线圈8的外周侧沿圆周方向配置的多个电极7; 测量电极7的静电电容的静电电容检测装置11; 以及控制电路13，其基于电极7的静电电容的变化来检测沸腾的发生，并且控制驱动电路10停止驱动电路10，或者降低要在其中流动的高频电流加热线圈8.与其他电极7相比，用于检测布置在加热线圈8和操作部分4之间的多个电极7中的电极7的沸腾发生的灵敏度更高。（版权所有： C）2012，JPO＆INPIT

2. 发明专利

JP2011023188A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2011023188A
公开(公告)日：2011-02-03
申请号：JP2009166610
申请日：2009-07-15
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： SHIICHI HIROYASU , YAMAZAKI HIROSHI , NAGATA SHIGEYUKI , NISHI KENICHIRO , MORII AKIRA , SAKURAI HARUO , MASUDA ICHIRO , YOKOIKAWA YUJI , KAWAMURA TAKESHI
IPC分类号： H05B6/12
CPC分类号： H05B6/062 , H05B2213/07
摘要： PROBLEM TO BE SOLVED: To improve the temperature detecting accuracy of an induction heating cooker, and as a result, to improve controllability thereof by using an infrared ray sensor and a contact type temperature sensor together. SOLUTION: An infrared ray sensor and a contact type temperature sensor are used together, and a higher one of the detected temperature is determined as the pan temperature, and used to control heating. In order to observe points of the bottom of a pan 3, in which the temperature distribution is same, the infrared ray sensor and the contact type sensor are arranged on the nearly concentric circle. With this structure, in the case wherein a position of a top plate 2 opposite to the infrared ray sensor 5 is stained, the infrared rays radiated from the pan 3 is reduced in the stained part, and the quantity of the infrared ray to be received by the infrared ray sensor 5 is reduced, and the temperature lower than the real pan temperature is detected. Depends on the kind of the pan, for an example, in the case of a pan made of a material having a low infrared rays emissivity, the problem wherein it is difficult to accurately control the temperature because the quantity of the infrared rays to be received by the infrared ray sensor 5 is reduced and the temperature lower than the real temperature is detected can be solved. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：为了提高感应加热烹调器的温度检测精度，结果，通过一起使用红外线传感器和接触式温度传感器来提高其可控性。
解决方案：将红外线传感器和接触式温度传感器一起使用，将检测温度中的较高的一个确定为锅温度，并用于控制加热。为了观察其中温度分布相同的锅3的底部的点，红外线传感器和接触型传感器布置在几乎同心圆上。利用这种结构，在与红外线传感器5相对的顶板2的位置被染色的情况下，从被扫描部3放射的红外线减少，并且接收红外线的量通过红外线传感器5减少，并且检测到比实际温度低的温度。取决于盘的种类，例如，在由具有低红外线发射率的材料制成的盘的情况下，由于要接收的红外线的量难以准确地控制温度的问题通过红外线传感器5被降低，并且可以解决低于实际温度的温度。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2010015764A Induction cooker 有权
标题翻译：感应烹饪师
公开(公告)号：JP2010015764A
公开(公告)日：2010-01-21
申请号：JP2008173363
申请日：2008-07-02
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： MATSUDA TETSUYA , NAKAJIMA KOJI , NOMURA SATOSHI , SAKURAI HARUO , SHIICHI HIROYASU
IPC分类号： H05B6/12 , H05B6/36
CPC分类号： Y02B40/126
摘要： PROBLEM TO BE SOLVED: To achieve temperature measurement reduced in error of measurement by reducing as much as possible the adverse effect of a leakage magnetic field on a temperature sensor in an induction cooker. SOLUTION: The induction cooker includes a top plate, doughnut-type radially divided inner and outer heating coils disposed under the top plate, a plurality of high magnetic permeability members radially extending from parts in the vicinity of the center of the heating coils, a power supply circuit supplying a high frequency current to the heating coils and the temperature sensor detecting the temperature of the heating coils or the top plate. The respective high magnetic permeability members have gap protrusions and outer protrusions vertically extending in a gap area and an outer area and formed apart from the top plate. The temperature sensor is disposed in the gap area. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了通过尽可能地减少泄漏磁场对电磁炉中的温度传感器的不利影响来实现测量误差的降低。解决方案：电磁炉包括顶板，设置在顶板下方的环形径向分隔的内加热线圈和外加热线圈，多个高磁导率部件从加热线圈的中心附近的部分径向延伸向加热线圈供给高频电流的电源电路和检测加热线圈或顶板的温度的温度传感器。各高磁导率部件具有在间隙区域和外部区域中垂直延伸并且与顶板分开形成的间隙突起和外部突出部。温度传感器设置在间隙区域中。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2009289674A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2009289674A
公开(公告)日：2009-12-10
申请号：JP2008143036
申请日：2008-05-30
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： SHIICHI HIROYASU , NOMURA SATOSHI , MATSUDA TETSUYA , SAKURAI HARUO , NAKAJIMA KOJI , MORIKAWA KAZUTOSHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To provide an induction heating cooker capable of lowering the temperature of a top plate quickly after the end of cooking. SOLUTION: The induction heating cooker includes: a heating coil 1 capable of induction-heating a pot 11 formed of a low magnetic permeability material that has electrical conductivity substantially not less than aluminum or copper; the top plate 2 for placing the pot 11 at the upper part of the heating coil 1; an electric conductive plate 8 provided between the top plate 2 and the heating coil 1 and having a function of increasing the equivalent series resistance of the heating coil 1 when the pot 11 is disposed facing the heating coil 1 while reducing buoyancy working on the pot 11 due to a magnetic field generated by the heating coil 1; a vertical moving mechanism 9 vertically moving the electric conductive plate 8; and a control circuit 7 controlling the whole induction heating cooker. The control circuit 7 moves the electric conductive plate 8 upward to thermally contact the top plate 2 during heating cooking by the heating coil 1 and moving the electric conductive plate 8 downward to cut off thermal contact with the top plate 2 after the end of cooking. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在烹饪结束后快速降低顶板的温度的感应加热炊具。感应加热烹调器包括：加热线圈1，其能够对导电率基本上不小于铝或铜的低导磁率材料形成的锅11进行感应加热; 用于将锅11放置在加热线圈1的上部的顶板2; 设置在顶板2和加热线圈1之间的导电板8，并且具有当锅11面对加热线圈1配置时增加加热线圈1的等效串联电阻的功能，同时减少在锅11上的浮力由于加热线圈1产生的磁场; 垂直移动导电板8的垂直移动机构9; 以及控制整个感应加热烹调器的控制电路7。控制电路7向上移动导电板8，在加热烹调期间由加热线圈1向上方热接触顶板2，并且在导电板8向下移动之后，在烹调结束后切断与顶板2的热接触。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2014063742A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2014063742A
公开(公告)日：2014-04-10
申请号：JP2013223238
申请日：2013-10-28
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： SHIICHI HIROYASU , YAMAZAKI HIROSHI , NAGATA SHIGEYUKI , NISHI KENICHIRO , MORII AKIRA , SAKURAI HARUO , MASUDA ICHIRO , YOKOIGAWA YUJI , KAWAMURA TAKESHI
IPC分类号： H05B6/12 , G01J5/00
摘要： PROBLEM TO BE SOLVED: To provide an induction heating cooker which can maintain detection accuracy of temperature detection means which detects a temperature by receiving infrared rays radiated by a cooking container.SOLUTION: An induction heating cooker comprises: a top plate 2 which loads a cooking container 3 and transmits infrared rays; a heating coil 4 for inductively heating the cooking container 3; an infrared sensor 5 arranged under the top plate 2 for receiving the infrared rays which are radiated by the cooking container 3 and pass the top plate 2; temperature detection means 8a for detecting a temperature of the cooking container at least depending on a quantity of receiving infrared rays by the infrared sensor 5; control means 8 for controlling supply voltage to the heating coil 4 based on the detected temperature by the temperature detection means 8a; and a light-blocking material arranged on a rear face of the top plate 2 except above the infrared sensor 5. An infrared-ray refractive index of the light-blocking material is selected from a range smaller than an infrared-ray refractive index of the top plate 2 and substantially the same with the infrared-ray refractive index of the top plate 2.
摘要翻译：要解决的问题：提供一种感应加热炊具，其能够通过接收由烹饪容器辐射的红外线来保持检测温度的温度检测装置的检测精度。解决方案：感应加热炊具包括：顶板2，其加载烹饪容器3并透过红外线; 用于感应加热烹饪容器3的加热线圈4; 布置在顶板2下面的用于接收由烹饪容器3辐射并通过顶板2的红外线的红外传感器5; 温度检测装置8a，其用于根据由红外传感器5接收的红外线的量来检测烹饪容器的温度; 控制装置8，用于根据温度检测装置8a的检测温度来控制对加热线圈4的供电电压; 以及布置在除了红外传感器5之外的顶板2的后表面上的遮光材料。遮光材料的红外线折射率从小于红外线传感器5的红外线折射率的范围中选择顶板2，并且与顶板2的红外线折射率基本相同。

6. 发明专利

JP2013089362A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2013089362A
公开(公告)日：2013-05-13
申请号：JP2011227000
申请日：2011-10-14
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： MORII AKIRA , SAKURAI HARUO , SAKAI DAISUKE , ITO MASASHIGE , KAMEOKA KAZUHIRO
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To provide an induction heating cooker capable of precisely detecting the position of a pan.SOLUTION: A control section 13 is configured to set a correction coefficient which is smaller as the heating value of a body 9 to be heated at the arrangement position of a temperature sensor 20 is larger, based upon a driving state of each heating coil and arrangement relation of each heating coil with the temperature sensor 20, and to determine a pan shift as a state in which the body 9 to be heated is mounted off a predetermined region, based upon detected values of the plurality of temperature sensors 20 and the correction coefficient.
摘要翻译：要解决的问题：提供一种能够精确地检测锅的位置的感应加热烹调器。解决方案：控制部分13被配置为基于每个加热的驱动状态来设置随着温度传感器20的配置位置处的待加热主体9的加热值较大的校正系数每个加热线圈与温度传感器20的线圈和排列关系，并且基于多个温度传感器20和20的检测值，确定作为待加热的主体9从预定区域安装的状态的平移位移校正系数。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2013041672A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2013041672A
公开(公告)日：2013-02-28
申请号：JP2011175974
申请日：2011-08-11
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： MORII AKIRA , NISHI KENICHIRO , ITO MASASHIGE , KAMEOKA KAZUHIRO , SAKURAI HARUO , SAKAI DAISUKE
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To obtain an induction heating cooker capable of detecting a position of a pot with accuracy.SOLUTION: An induction heating cooker comprises: a placing position detector determining a placing position of a heated object 9 at a heating port on the basis of a difference between detection values of a plurality of temperature detection devices; and a controller 13 controlling a drive circuit 10 so as to vary a high-frequency current to be supplied to a plurality of heating coils. The plurality of temperature detection devices are configured by: one or more contact type temperature sensors 20 contacting with a lower surface of a top plate 2 and detecting a temperature of the top plate 2; and one or more infrared sensors 30 detecting an infrared ray emitted from the heated object 9.
摘要翻译：要解决的问题：获得能够准确地检测锅的位置的感应加热烹调器。感应加热烹调器包括：放置位置检测器，其基于多个温度检测装置的检测值之间的差异，确定加热物体9在加热口处的放置位置; 以及控制驱动电路10以便改变要供给多个加热线圈的高频电流的控制器13。多个温度检测装置由以下构成：与顶板2的下表面接触并检测顶板2的温度的一个以上的接触型温度传感器20; 以及一个或多个红外传感器30，其检测从被加热物体9发射的红外线。版权所有（C）2013，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

JP2008071679A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2008071679A
公开(公告)日：2008-03-27
申请号：JP2006250692
申请日：2006-09-15
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： SEKINE KATSUTEN , SUNAGA TAKASHI , FUMIYA JUN , NISHI KENICHIRO , SAKURAI HARUO , KAWAMURA TAKESHI , MORO MASAYUKI
IPC分类号： H05B6/12 , F24C15/34
摘要： PROBLEM TO BE SOLVED: To provide an induction heating cooker in which a space-saving structure is achieved by separately providing a heating-coil storage chamber and a control-substrate storage chamber inside a body and by providing an air path that makes both chambers communicate with each other in a reinforcing member for reinforcing side-walls on the body front side, and also, a part of cooling air is introduced from the control-substrate storage chamber via the lower side of a heating chamber so as to cool body side-walls on the side of the heating chamber.
SOLUTION: The induction heating cooker is provided with the body 1, a coil storage chamber 6, which is provided inside the body so as to store a plurality of heating coils 2a, 2b, a substrate storage chamber 20, which stores a control substrate 21 for driving the heating coils, a cooling fan 5 for supplying the cooling air into the inside of the body, and a reinforcing member 7 that is laid horizontally between the side walls on the body front side. The reinforcing member 7 is provided with a cooling-air path 8 for making the coil storage chamber 6 communicate with the substrate storage chamber 20.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种感应加热烹调器，其中通过在体内单独提供加热线圈储存室和控制基板储存室，并且通过提供使空气通道两个室在用于加强身体前侧的侧壁的加强构件中彼此连通，并且一部分冷却空气经由加热室的下侧从控制基板储存室引入以冷却身体侧壁在加热室的一侧。解决方案：感应加热烹调器设置有主体1，线圈存储室6，其设置在主体内部，以便存储多个加热线圈2a，2b，基板存储室20，其存储用于驱动加热线圈的控制基板21，用于将冷却空气供给到主体内部的冷却风扇5和水平放置在主体前侧的侧壁之间的加强构件7。加强构件7设置有用于使线圈收容室6与基板收纳室20连通的冷却风路径8.权利要求：（C）2008，JPO＆INPIT

10. 发明专利

JP2012138380A Induction heating cooker 有权
标题翻译：感应加热烹饪机
公开(公告)号：JP2012138380A
公开(公告)日：2012-07-19
申请号：JP2012095731
申请日：2012-04-19
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： SHIICHI HIROYASU , YAMAZAKI HIROSHI , NAGATA SHIGEYUKI , NISHI KENICHIRO , MORII AKIRA , SAKURAI HARUO , MASUDA ICHIRO , YOKOIKAWA YUJI , KAWAMURA TAKESHI
IPC分类号： H05B6/12
摘要： PROBLEM TO BE SOLVED: To use an infrared sensor and a contact type temperature sensor in combination to improve temperature detection accuracy of an induction heating cooker thereby improving controllability.SOLUTION: A control part performs, when determining that an infrared sensor and a contact type temperature sensor do not break down, power control of heating coils based on a higher detection result among a detection result by the contact type temperature sensor and a detection result by the infrared sensor converted at a temperature detection part. The control part performs, when determining that the infrared sensor breaks down, the power control of the heating coils based on a temperature detected by the contact type temperature sensor. The control part stops, when determining that the contact type temperature sensor breaks down, a heating operation and notifies a user of abnormality occurrence.
摘要翻译：要解决的问题：组合使用红外传感器和接触式温度传感器，以提高感应加热炊具的温度检测精度，从而提高可控性。解决方案：当确定红外传感器和接触式温度传感器不破裂时，控制部分执行基于接触型温度传感器的检测结果中的较高检测结果的加热线圈的功率控制和通过在温度检测部转换的红外线传感器的检测结果。控制部在判定为红外线传感器发生故障的情况下，根据由接触式温度传感器检测到的温度来进行加热线圈的功率控制。当确定接触式温度传感器发生故障时，控制部分停止加热操作并通知用户异常发生。版权所有（C）2012，JPO＆INPIT

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