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51. 发明授权

US08338762B2 Power control apparatus for high-frequency dielectric heating and power control method for the same 有权
标题翻译：用于高频介质加热和功率控制方法的功率控制装置相同
公开(公告)号：US08338762B2
公开(公告)日：2012-12-25
申请号：US12621072
申请日：2009-11-18
申请人： Haruo Suenaga , Kenji Yasui , Shinichi Sakai , Nobuo Shirokawa , Hideaki Moriya , Manabu Kinoshita
发明人： Haruo Suenaga , Kenji Yasui , Shinichi Sakai , Nobuo Shirokawa , Hideaki Moriya , Manabu Kinoshita
IPC分类号： H05B6/66 , H05B6/68
CPC分类号： H05B6/685 , Y02B40/143
摘要： A power control method for high-frequency dielectric heating is provided. The method includes detecting input current and input voltage from an AC power supply. Input current waveform information and input voltage waveform information are acquired. It is determined whether the magnetron is being oscillated. If so, the input voltage waveform information is added to the input current waveform information until oscillation of the magnetron is detected, and the addition result is converted into the drive signal of a switching transistor of an inverter circuit. If not, the input current waveform, without addition of the input voltage waveform, is converted into the drive signal of the switching transistor of the inverter circuit.
摘要翻译：提供了一种用于高频介电加热的功率控制方法。该方法包括从AC电源检测输入电流和输入电压。获取输入电流波形信息和输入电压波形信息。确定磁控管是否正在振荡。如果是，则将输入电压波形信息加到输入电流波形信息中，直到检测到磁控管的振荡，并将加法结果转换成逆变器电路的开关晶体管的驱动信号。否则，输入电流波形不加入输入电压波形，转换为逆变器电路的开关晶体管的驱动信号。

52. 发明授权

US08026713B2 State detection device for detecting operation state of high-frequency heating apparatus 有权
标题翻译：用于检测高频加热装置的运行状态的状态检测装置
公开(公告)号：US08026713B2
公开(公告)日：2011-09-27
申请号：US12651249
申请日：2009-12-31
申请人： Hideaki Moriya , Nobuo Shirokawa , Haruo Suenaga , Shinichi Sakai , Manabu Kinoshita
发明人： Hideaki Moriya , Nobuo Shirokawa , Haruo Suenaga , Shinichi Sakai , Manabu Kinoshita
IPC分类号： G01R29/00 , G01R19/00
CPC分类号： H05B6/666 , H05B2206/043
摘要： An operating state detection technique is provided which makes it possible to accurately detect an abnormality of a high-frequency heating apparatus. An anode current detected by the anode current detection resistor 40 of a magnetron is inputted into the A/D converter terminal of a microcomputer 27 on a control panel circuit board side. The current is subjected to an analog-to-digital conversion to thereby obtain an anode voltage IaDC value. The microcomputer 27 determines an operating state based on a plurality of the anode voltage IaDC values thus read. Further, the microcomputer 27 obtains a summed value of the IaDC values corresponding to one period of the revolution of rotary antennas 68, 69 to thereby determines the operating state of the high-frequency heating apparatus 100 based on the summed value. According to the aforesaid IaDC value reading method, it makes it possible to accurately detect an abnormality without an erroneous operation also in correspondence to the change of the feeding distribution. Further, the microcomputer 27 changes, in accordance with the set output of the high-frequency heating apparatus, a threshold value used for determining the abnormality and a changing value (increasing amount) from the start of the operation with respect to the change of the output of the apparatus and the operating state of a heated subject etc., whereby it makes it possible to accurately detect an abnormality without an erroneous operation.
摘要翻译：提供了一种操作状态检测技术，其可以精确地检测高频加热装置的异常。由磁控管的阳极电流检测电阻器40检测的阳极电流被输入到控制面板电路板侧的微计算机27的A / D转换器端子中。对电流进行模数转换，得到阳极电压IaDC值。微计算机27基于这样读取的多个阳极电压IaDC值来确定操作状态。此外，微型计算机27获得与旋转天线68,69的一圈旋转相对应的IaDC值的相加值，从而基于求和值来确定高频加热装置100的运行状态。根据上述IaDC值读取方法，能够根据馈送分配的变化，精确地检测异常而不发生错误的操作。此外，微型计算机27根据高频加热装置的设定输出，根据操作开始时的变化来改变用于确定异常的阈值和变化值（增加量）输出装置和加热对象的操作状态等，从而可以在没有错误操作的情况下精确地检测异常。

53. 发明申请

US20100155395A1 POWER CONTROL UNIT FOR HIGH-FREQUENCY DIELECTRIC HEATING AND CONTROL METHOD THEREOF 审中-公开
标题翻译：用于高频介电加热的功率控制单元及其控制方法
公开(公告)号：US20100155395A1
公开(公告)日：2010-06-24
申请号：US12699514
申请日：2010-02-03
申请人： Haruo Suenaga , Kenji Yasui , Shinichi Sakai , Nobuo Shirokawa , Hideaki Moriya , Manabu Kinoshita
发明人： Haruo Suenaga , Kenji Yasui , Shinichi Sakai , Nobuo Shirokawa , Hideaki Moriya , Manabu Kinoshita
IPC分类号： H05B6/68
CPC分类号： H05B6/685 , Y02B40/143
摘要： A power control unit for a high-frequency dielectric heating not affected by variations in the magnetron type or characteristic, and power supply voltage fluctuation, etc., is provided. The power control unit for a high-frequency dielectric heating has an input current detection section 71, 72 for detecting input current of an inverter 10 for rectifying 31 an AC power supply voltage 20, performing high-frequency switching of the voltage, and converting the voltage to high-frequency power. The power control unit for a high-frequency dielectric heating converts a switching frequency control signal 92 provided by mixing input current waveform information 90 and power control information 91 into a drive signal of a semiconductor switching element 3, 4 of the inverter.
摘要翻译：提供了不受磁控管类型或特性的变化以及电源电压波动等影响的高频电介质加热的功率控制单元。用于高频电介质加热的功率控制单元具有用于检测逆变器10的输入电流的输入电流检测部分71,72，用于整流31交流电源电压20，执行电压的高频切换，并将电压高频电源。用于高频介电加热的功率控制单元将通过将输入电流波形信息90和功率控制信息91混合而提供的开关频率控制信号92转换成逆变器的半导体开关元件3,4的驱动信号。

54. 发明申请

US20100102797A1 STATE DETECTION DEVICE FOR DETECTING OPERATION STATE OF HIGH-FREQUENCY HEATING APPARATUS 有权
公开(公告)号：US20100102797A1
公开(公告)日：2010-04-29
申请号：US12651249
申请日：2009-12-31
申请人： Hideaki Moriya , Nobuo Shirokawa , Haruo Suenaga , Shinichi Sakai , Manabu Kinoshita
发明人： Hideaki Moriya , Nobuo Shirokawa , Haruo Suenaga , Shinichi Sakai , Manabu Kinoshita
IPC分类号： G01R29/00 , G01R19/00
CPC分类号： H05B6/666 , H05B2206/043
摘要： An operating state detection technique is provided which makes it possible to accurately detect an abnormality of a high-frequency heating apparatus. An anode current detected by the anode current detection resistor 40 of a magnetron is inputted into the A/D converter terminal of a microcomputer 27 on a control panel circuit board side. The current is subjected to an analog-to-digital conversion to thereby obtain an anode voltage IaDC value. The microcomputer 27 determines an operating state based on a plurality of the anode voltage IaDC values thus read. Further, the microcomputer 27 obtains a summed value of the IaDC values corresponding to one period of the revolution of rotary antennas 68, 69 to thereby determines the operating state of the high-frequency heating apparatus 100 based on the summed value. According to the aforesaid IaDC value reading method, it makes it possible to accurately detect an abnormality without an erroneous operation also in correspondence to the change of the feeding distribution. Further, the microcomputer 27 changes, in accordance with the set output of the high-frequency heating apparatus, a threshold value used for determining the abnormality and a changing value (increasing amount) from the start of the operation with respect to the change of the output of the apparatus and the operating state of a heated subject etc., whereby it makes it possible to accurately detect an abnormality without an erroneous operation.

55. 发明申请

US20100065554A1 POWER CONTROL APPARATUS FOR HIGH-FREQUENCY DIELECTRIC HEATING AND POWER CONTROL METHOD FOR THE SAME 有权
标题翻译：用于高频电介质加热的功率控制装置及其功率控制方法
公开(公告)号：US20100065554A1
公开(公告)日：2010-03-18
申请号：US12621072
申请日：2009-11-18
申请人： Haruo Suenaga , Kenji Yasui , Shinichi Sakai , Nobuo Shirokawa , Hideaki Moriya , Manabu Kinoshita
发明人： Haruo Suenaga , Kenji Yasui , Shinichi Sakai , Nobuo Shirokawa , Hideaki Moriya , Manabu Kinoshita
IPC分类号： H05B6/68
CPC分类号： H05B6/685 , Y02B40/143
摘要： A power control unit for high-frequency dielectric heating not affected by variations in the types or the characteristics of magnetrons, power supply voltage fluctuation, etc., is provided.The unit has an input current detection section 71, 72 for detecting input current of an inverter circuit 10 for rectifying 31 AC power supply voltage 20, performing high frequency switching, and converting into high frequency power, mixes input current waveform information 90 of the input current detection section and power control information 91 for controlling so that output of the input current detection section becomes a predetermined value in a mix circuit 81, outputs ON voltage information 92, makes a comparison between the ON voltage information and a sawtooth wave from a sawtooth wave generation circuit 83 in a PWM comparator 82, performs pulse width modulation, and outputs a drive signal for controlling turning on/off of a switching transistor 39 of an inverter circuit.
摘要翻译：提供了不受磁控管的类型或特性的变化影响的高频介电加热的电力控制单元，电源电压波动等。该单元具有用于检测用于整流31交流电源电压20的逆变器电路10的输入电流，进行高频切换并转换成高频电力的输入电流检测部分71,72，混合输入的输入电流波形信息90 电流检测部分和功率控制信息91，用于控制使得输入电流检测部分的输出在混合电路81中变为预定值，输出接通电压信息92，将来自锯齿波的导通电压信息和锯齿波之间的比较 PWM比较器82中的波形发生电路83进行脉冲宽度调制，并输出用于控制逆变器电路的开关晶体管39的导通/截止的驱动信号。

56. 发明申请

US20090001074A1 High-Frequency Heating Device 有权
标题翻译：高频加热装置
公开(公告)号：US20090001074A1
公开(公告)日：2009-01-01
申请号：US12160243
申请日：2007-01-09
申请人： Nobuo Shirokawa , Shinichi Sakai , Hideaki Moriya , Haruo Suenaga , Manabu Kinoshita
发明人： Nobuo Shirokawa , Shinichi Sakai , Hideaki Moriya , Haruo Suenaga , Manabu Kinoshita
IPC分类号： H05B6/68
CPC分类号： H05B6/666 , H05B6/683 , H05B6/685 , H05B2206/043
摘要： To attain a more reliable prevention of an electric shock by checking whether the earth states for two circuit boards are good. There is detected a voltage generated at an anode current sensing resistor 20 inserted into a path where the anode current of a magnetron 8 flows and a signal is transmitted to a microcomputer 27. The microcomputer 27 uses a selector switch 28 to determine the earth states for an inverter circuit board and a control panel circuit board before operation of a device. In case either one or both of the circuit boards are in a floating state, operation of a high-frequency heating device is inhibited. Otherwise, operation of the high-frequency heating device is permitted.
摘要翻译：通过检查两个电路板的接地状态是否良好，可以更可靠地防止触电。检测到在阳极电流检测电阻器20处产生的电压，其被插入到磁控管8的阳极电流流过的路径中，并且信号被传送到微型计算机27.微计算机27使用选择器开关28来确定逆变器电路板和控制面板电路板在设备操作之前。在一个或两个电路板处于浮动状态的情况下，高频加热装置的操作被禁止。否则，允许高频加热装置的操作。

57. 发明申请

US20090001073A1 High-Frequency Heating Apparatus 有权
标题翻译：高频加热装置
公开(公告)号：US20090001073A1
公开(公告)日：2009-01-01
申请号：US10571846
申请日：2004-10-15
申请人： Hideaki Moriya , Haruo Suenaga , Hisashi Morikawa , Shinichi Sakai , Toyotsugu Matsukura , Nobuo Shirokawa
发明人： Hideaki Moriya , Haruo Suenaga , Hisashi Morikawa , Shinichi Sakai , Toyotsugu Matsukura , Nobuo Shirokawa
IPC分类号： H05B6/68
CPC分类号： H05B6/681 , Y02B40/143
摘要： A resonance type high frequency heating apparatus comprising; a direct current power supply; a series connection circuit consisting of a pair of semiconductor switching elements connected in parallel to the direct current power supply; another series connection circuit having a primary coil of a leakage transformer and a capacitor connected to both ends of one of the pair of semiconductor switching elements; and a drive means for driving each of the pair of semiconductor switching elements; wherein a variable dead time preparation circuit is provided in the drive means, and the variable dead time preparation circuit enables dead time to remain constant at below a predetermined frequency and causes the dead time to increase sharply at a point above a predetermined frequency.
摘要翻译：一种共振型高频加热装置，包括：直流电源; 串联连接电路，由与直流电源并联连接的一对半导体开关元件构成; 另一个串联连接电路，其具有泄漏变压器的初级线圈和连接到该对半导体开关元件之一的两端的电容器; 以及用于驱动所述一对半导体开关元件中的每一个的驱动装置; 其中在所述驱动装置中设置可变死区时间准备电路，并且所述可变死区时间准备电路使得死区时间在低于预定频率下保持恒定，并且使得所述死区时间在高于预定频率的点处急剧增加。

58. 发明授权

US07414228B2 High frequency heating apparatus 有权
标题翻译：高频加热装置
公开(公告)号：US07414228B2
公开(公告)日：2008-08-19
申请号：US10550576
申请日：2004-04-09
申请人： Haruo Suenaga , Hideaki Moriya , Hisashi Morikawa , Shinichi Sakai , Makoto Mihara , Nobuo Shirokawa , Toyotsubu Matsukura , Masato Matsuda
发明人： Haruo Suenaga , Hideaki Moriya , Hisashi Morikawa , Shinichi Sakai , Makoto Mihara , Nobuo Shirokawa , Toyotsubu Matsukura , Masato Matsuda
IPC分类号： H05B6/68
CPC分类号： H05B6/666 , H01L2924/0002 , H05K1/18 , H05K2201/10363 , H01L2924/00
摘要： There is constructed a constitution such that a shunt resistor 30 is interposed in series with a portion capable of measuring an output current of a unidirectional power source portion 1 of a high frequency heating apparatus and a voltage generated at the shunt resistor 30 is outputted by a buffer 31. Further, an operational amplifier 3101 having a high input impedance is used for the buffer 31. Further, a diode bridge 101 and a semiconductor switching element 205 are fixed to a common heat radiating plate 33, the heat radiating plate 33 is formed with a notched portion 33a to thereby ensure insulating distances to the diode bridge 101 and the semiconductor switching element 205, and the shunt resistor 30 is arranged on a straight line the same as that between the diode bridge 101 and the semiconductor switching element 205.
摘要翻译：构成为使得分流电阻器30与能够测量高频加热装置的单向电源部分1的输出电流的部分串联插入并且在分流电阻器30上产生的电压被输出的结构缓冲区31。此外，缓冲器31使用具有高输入阻抗的运算放大器3101。此外，二极管电桥101和半导体开关元件205固定到公共散热板33上，散热板33形成有切口部分33a，从而确保到二极管电桥101和半导体开关元件的绝缘距离 205，并且分流电阻器30布置在与二极管电桥101和半导体开关元件205之间的直线相同的直线上。

59. 发明申请

US20070195561A1 High-frequency heating device 有权
标题翻译：高频加热装置
公开(公告)号：US20070195561A1
公开(公告)日：2007-08-23
申请号：US10599431
申请日：2005-04-04
申请人： Haruo Suenaga , Hideaki Moriya , Shinichi Sakai , Hisashi Morikawa , Toyotsugu Matsukura , Nobuo Shirokawa
发明人： Haruo Suenaga , Hideaki Moriya , Shinichi Sakai , Hisashi Morikawa , Toyotsugu Matsukura , Nobuo Shirokawa
IPC分类号： H02M3/335
CPC分类号： H05B6/681 , H05B6/685 , Y02B40/143
摘要： An object of the present invention is to provide an inverter circuit in which soft start can be implemented by a simple circuit added thereto. In high-frequency heating apparatus for driving a magnetron, a DC power supply is chopped by two semiconductor switching devices, and this is output as an AC current through a resonance circuit. The high-frequency heating apparatus includes a dead time generation circuit for turning off the semiconductor switching devices concurrently. In the high-frequency heating apparatus, a drive unit for driving the aforementioned semiconductor switching devices has a function of limiting the lowest frequency of a frequency with which the semiconductor switching devices are driven. The aforementioned lowest frequency is set to be high at the beginning of operation of the high-frequency heating apparatus, and the aforementioned lowest frequency is set to be lower gradually thereafter.
摘要翻译：本发明的目的是提供一种逆变器电路，其中可以通过添加到其中的简单电路来实现软启动。在用于驱动磁控管的高频加热装置中，由两个半导体开关器件将直流电源切断，并通过谐振电路作为交流电流输出。高频加热装置包括用于同时关闭半导体开关装置的死区时间产生电路。在高频加热装置中，用于驱动上述半导体开关器件的驱动单元具有限制驱动半导体开关器件的频率的最低频率的功能。在高频加热装置的运转开始时，将上述最低频率设定得较高，之后将上述最低频率逐渐降低。

60. 发明授权

US07060954B2 Magnetron drive power supply 有权
公开(公告)号：US07060954B2
公开(公告)日：2006-06-13
申请号：US10625266
申请日：2003-07-23
申请人： Takeshi Kitaizumi , Haruo Suenaga , Hideaki Moriya , Emiko Ishizaki
发明人： Takeshi Kitaizumi , Haruo Suenaga , Hideaki Moriya , Emiko Ishizaki
IPC分类号： H05B6/68
CPC分类号： H05B6/666
摘要： Timing of zero voltage in zero-voltage detector for detecting zero voltage of a commercial power supply 1 is predicted and input from the zero-voltage detector 6 is received only for a given time before and after the predicted timing, whereby overvoltage and overcurrent caused by a zero point shift can be prevented. Thus, it is provided a magnetron drive power supply which is excellent in stability for change in the power supply environment such as noise or instantaneous power interruption.

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