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    • 63. 发明公开
    • MICROWAVE HEATING DEVICE
    • 微波加热装置
    • EP2824991A1
    • 2015-01-14
    • EP13757233.5
    • 2013-01-30
    • Panasonic Corporation
    • HOSOKAWA, DaisukeYOSHINO, KojiNISHIMURA, MakotoSADAHIRA, MasafumiFUJINAMI, TomoyaNOBUE, TomotakaOMORI, Yoshiharu
    • H05B6/70H05B6/74
    • A microwave heating device of the present invention comprises a heating chamber 103 housing an object to be heated, a microwave generation portion 202 generating a microwave, a waveguide portion 201 propagating the microwave, and a plurality of microwave radiating portions 102 radiating the microwave in the heating chamber 103, wherein the microwave radiating portions are arranged in a direction orthogonal to a direction of electric field and to a direction of propagation within the waveguide portion 201 , and centers of the microwave radiating portions are arranged at positions corresponding to approximate node positions of the electric field within the waveguide portion. The microwave heating device is enabled to make uniform heat distribution in the object to be heated, without using a driving mechanism.
    • 本发明的微波加热装置具有:收容被加热物的加热室103;产生微波的微波产生部202;传播微波的波导部201;以及使微波辐射的多个微波辐射部102 加热室103,其中微波辐射部分布置在与电场方向和波导部分201内的传播方向正交的方向上,并且微波辐射部分的中心布置在对应于近似节点位置的位置处 波导部分内的电场。 微波加热装置能够在不使用驱动机构的情况下在待加热物体中形成均匀的热量分布。
    • 69. 发明公开
    • HIGH FREQUENCY HEATING DEVICE, AND HIGH FREQUENCY HEATING METHOD
    • HOCHFREQUENZ-HEIZVORRICHTUNG UND HOCHFREQUENZ-HEIZVERFAHREN
    • EP2512206A1
    • 2012-10-17
    • EP10835652.8
    • 2010-11-10
    • Panasonic Corporation
    • OKAJIMA, Toshiyuki
    • H05B6/74H05B6/72
    • H05B6/6447H05B6/70H05B6/705H05B6/72Y02B40/146
    • A radio-frequency heating apparatus of the present invention includes: a phase varying unit (103a, 103b) to vary the phase of radio-frequency power; a plurality of antennas (104a, 104b) which are placed on the same plane in a heating chamber (101) and radiate a plurality of radio-frequency waves, the radio-frequency waves having a predetermined phase difference caused by phase variation in the phase varying unit; a geometry information acquisition unit (120) to acquire the geometry of an object (150); and a control unit (130) controls phase varying units (103a, 103b) so that the radio-frequency waves are in phase in a first mode, and the radio-frequency waves are in opposite phase in a second mode, the control unit (130) switches between the first mode and the second mode based on the acquired geometry information.
    • 本发明的射频加热装置包括:改变射频功率相位的相变单元(103a,103b); 多个天线(104a,104b),其放置在加热室(101)的同一平面上并辐射多个射频波,所述射频具有由相位相位变化引起的预定相位差 变化单位 几何信息获取单元,用于获取物体的几何形状; 并且控制单元(130)控制相变单元(103a,103b),使得射频在第一模式中同相,并且在第二模式中,射频波处于相反相位,控制单元 130)基于所获取的几何信息在第一模式和第二模式之间切换。
    • 70. 发明公开
    • MICROWAVE HEATING DEVICE AND MICROWAVE HEATING CONTROL METHOD
    • MIKROWELLEN-HEIZVORRICHTUNG UND MIKROWELLEN-HEIZSTEUERVERFAHREN
    • EP2453716A4
    • 2012-05-16
    • EP10796875
    • 2010-06-28
    • PANASONIC CORP
    • NOBUE TOMOTAKAOOMORI YOSHIHARUYASUI KENJIMIHARA MAKOTO
    • H05B6/68H05B6/70H05B6/72H05B6/74
    • H05B6/686H05B6/70H05B6/705H05B6/72H05B2206/044Y02B40/143Y02B40/146
    • In order to provide a microwave heating device and a microwave heating control method which are capable of uniformly heating a to-be-heated object in a desired state, by employing plural feeding portions provided in a heating chamber on the basis of information about reflected electric power from the respective feeding portions; a control portion (21) controls to supply microwave electric power from plural feeding potions (20a, 20b, 20c and 20d) to a heating chamber (100) by operating a microwave generating portion (10) at a heating frequency for heating a to-be-heated object, estimates a heating state for the to-be-heated object on the basis of per-unit-time increase/ decrease change states of detected levels of detection signals detected by electric-power detection portions (18a, 18b, 18c and 18d), and controls the heating frequency and the microwave electric power supplied from the feeding portions to the heating chamber.
    • 为了提供能够以期望的状态均匀地加热被加热物的微波加热装置和微波加热控制方法,通过采用基于关于反射电的信息的加热室中设置的多个馈送部 来自各供电部的电力; 控制部分21通过以加热频率操作微波产生部分10来控制从多个馈送部分20a,20b,20c和20d向加热腔室100提供微波功率, 基于由电力检测部(18a,18b,18c)检测到的检测信号的检测电平的每单位时间的增减变化状态,推定被加热物的加热状态 18d),控制从供给部向加热室供给的加热频率和微波功率。