公开(公告)号：US06936803B2

公开(公告)日：2005-08-30

申请号：US10732413

申请日：2003-12-11

申请人： Min Gi I ,  Sung Jin Han ,  Dong Myung Shin

发明人： Min Gi I ,  Sung Jin Han ,  Dong Myung Shin

IPC分类号： H05B6/66 ,  H05B6/68

CPC分类号： H05B6/66

摘要： An inverter circuit of a microwave oven employs a technique which decreases the unit manufacturing cost of production and controls an output of a magnetron correctly. The invert circuit includes a micom outputting a reference voltage preset by a user; an input current detector converting a current provided from the power source to a voltage level; and comparator comparing an output signal of the input current detector with the reference voltage; an integrator increasing or decreasing a level of an output signal for the comparator a trigger circuit connected to the high voltage transformer, and generating a trigger signal; and a PWM controller receiving an output signal of the integrator and an output al of the trigger circuit, for controlling drive of the magnetron.

摘要翻译： 微波炉的逆变器电路采用降低单位制造成本的技术，并且正确地控制磁控管的输出。 反相电路包括输出由用户预设的参考电压的微型计算机; 输入电流检测器，将从电源提供的电流转换为电压电平; 以及比较器，将输入电流检测器的输出信号与参考电压进行比较; 积分器，增加或减小所述比较器的输出信号的电平，所述触发电路连接到所述高压变压器，并产生触发信号; 以及PWM控制器，接收积分器的输出信号和触发电路的输出a1，用于控制磁控管的驱动。

公开(公告)号：US06884977B2

公开(公告)日：2005-04-26

申请号：US10630659

申请日：2003-07-31

申请人： Sung Jin Han ,  Dong Myung Shin

发明人： Sung Jin Han ,  Dong Myung Shin

IPC分类号： F24C7/02 ,  H05B6/66 ,  H05B6/68

CPC分类号： H05B6/66 ,  Y02B40/143

摘要： A variable-frequency inverter microwave oven and a method for controlling the same. The inverter microwave oven comprises a magnetron for generating electromagnetic waves, a direct current (DC) voltage generator for rectifying and smoothing a commercial alternating current (AC) voltage, which is an inverter drive voltage, to generate a DC voltage, and a switching device for performing a switching operation based on the DC voltage from the DC voltage generator to generate an AC voltage for the driving of the magnetron. The switching device includes a plurality of switches turned on/off in response to the DC voltage from the DC voltage generator. The microwave oven further comprises a variable-frequency controller for varying a switching frequency of the switching device according to the level of the DC voltage from the DC voltage generator to maintain the AC voltage from the switching device at a constant level, and a magnetron drive voltage generator for converting the AC voltage from the switching device into a high-power DC voltage and transferring the converted DC voltage to the magnetron to drive it. The inverter operation is improved compared with a conventional one and a magnetron drive duration is lengthened, thereby improving heating efficiency and operational reliability of the microwave oven.

摘要翻译： 一种变频逆变器微波炉及其控制方法。 逆变器微波炉包括用于产生电磁波的磁控管，用于整流和平滑作为逆变器驱动电压的商用交流（AC）电压以产生直流电压的直流（DC）电压发生器，以及开关装置 用于基于来自直流电压发生器的直流电压进行开关操作，以产生用于驱动磁控管的AC电压。 开关装置响应于来自DC电压发生器的DC电压而包括多个开关导通/截止。 微波炉还包括可变频率控制器，用于根据来自直流电压发生器的直流电压的电平来改变开关装置的开关频率，以将来自开关装置的交流电压保持在恒定水平，并且磁控管驱动 电压发生器，用于将来自开关装置的交流电压转换成高功率直流电压，并将转换后的直流电压转移到磁控管以驱动它。 与传统的逆变器操作相比，改进了操作，并且磁控管驱动持续时间延长，从而提高了微波炉的加热效率和操作可靠性。

公开(公告)号：US07034267B2

公开(公告)日：2006-04-25

申请号：US11043148

申请日：2005-01-27

申请人： Wan Soo Kim ,  Sung Jin Han

发明人： Wan Soo Kim ,  Sung Jin Han

IPC分类号： H05B6/68

CPC分类号： H05B6/80 ,  H05B6/683 ,  Y02B40/143

摘要： Circuit for operating a microwave oven including a DC voltage source, a switching part having at least two switching devices electrically connected to the DC voltage source for switching a voltage from the DC voltage source, controlling part for controlling the switching part, a magnetron for generating a microwave, and a converting part for converting the voltage from the DC voltage source to a voltage for operating the magnetron by switching of the switching part, thereby permitting operation of the microwave oven by using a car battery.

摘要翻译： 用于操作包括直流电压源的微波炉的电路，具有电连接到直流电压源的至少两个开关装置的开关部分，用于切换来自直流电压源的电压，用于控制开关部分的控制部分，用于产生 微波和转换部分，用于通过切换开关部分将来自直流电压源的电压转换成用于操作磁控管的电压，从而允许通过使用汽车电池来操作微波炉。

公开(公告)号：US06528773B2

公开(公告)日：2003-03-04

申请号：US09750518

申请日：2000-12-28

申请人： Yang Kyeong Kim ,  Jong Gwan Ryu ,  Sung Jin Han ,  Wan Soo Kim

发明人： Yang Kyeong Kim ,  Jong Gwan Ryu ,  Sung Jin Han ,  Wan Soo Kim

IPC分类号： H05B680

CPC分类号： H05B6/6476

摘要： The present invention relates to a microwave oven including a cavity having a certain area for cooking comprising a flow path formed between a main body and the cavity so as to be connected from a side of the cavity to the upper surface of the cavity, a heater installed on the side of the flow path corresponding to the outer upper surface of the cavity for emitting heat, a discharge hole installed on the upper surface of the cavity corresponding to the lower portion of the heater for discharging the heat of the heater into the cavity, an inlet installed on the lower portion of the side wall of the cavity for making the air inside of the cavity flow in the flow channel, and a circulating fan installed on a certain portion of the flow channel for circulating the air inside of the cavity flown through the inlet to the heater. Accordingly, the microwave oven of the present invention is capable of maximizing the heat exchange efficiency between the heater and air, increasing the heat efficiency, and heightening the cooking quality and cooking speed by improving the heat transmission structure of the heater providing the heat to the cavity.

摘要翻译： 微波炉本发明涉及一种微波炉，其特征在于，包括具有特定烹饪区域的空腔，该空腔包括形成在主体与空腔之间的流路，以便从空腔的一侧连接到空腔的上表面，加热器 安装在对应于用于发热的腔的外上表面的流动路径的一侧;排放孔，其安装在对应于加热器下部的腔的上表面上，用于将加热器的热量排放到空腔中 安装在腔的侧壁的下部的入口，用于使空腔内的空气流入流道;以及循环风扇，其安装在流动通道的某一部分上以使空腔内的空气循环 流过加热器的入口。 因此，本发明的微波炉能够使加热器和空气之间的热交换效率最大化，提高热效率，并且通过将提供热量的加热器的热传递结构改进为提高烹饪质量和烹饪速度， 腔。

公开(公告)号：US06384392B1

公开(公告)日：2002-05-07

申请号：US09756845

申请日：2001-01-10

申请人： Young Min Lee ,  Yang Kyeong Kim ,  Sung Jin Han

发明人： Young Min Lee ,  Yang Kyeong Kim ,  Sung Jin Han

IPC分类号： H05B672

CPC分类号： H05B6/704 ,  H05B6/6402

摘要： A uniform heating structure for a microwave oven is provided. The structure of the invention includes: a magnetron for generating microwaves, a wave guide for guiding the microwaves generated by the magnetron, a pair of openings for radiating the microwaves guided by the wave guide in the form of circular polarized waves, and a cavity which is shaped in a polyhedron more than a rectangular and in which more than one interior walls constructing the polyhedron slope at a predetermined angle (&thgr;1) excepting a right angle with respect to a neighboring interior wall. With this structure, the microwaves generated by the magnetron are reflected to be delivered to food through a sloping interior wall of the cavity while being radiated to the cavity through the wave guide and the openings, thus ensuring a uniform distribution of the microwaves throughout the food and making the food uniformly cooked.

摘要翻译： 提供了一种用于微波炉的均匀加热结构。 本发明的结构包括：用于产生微波的磁控管，用于引导由磁控管产生的微波的波导，用于以圆偏振波形式辐射由波导引导的微波的一对开口，以及空腔 在多面体中成形为多于矩形的多边形，并且其中多于一个内壁以相对于相邻内壁形成直角的预定角度（θ1）构成多面体倾斜。 利用这种结构，由磁控管产生的微波被反射，以通过波导管和开口辐射到空腔而通过空腔的倾斜内壁传送到食物，从而确保微波在整个食物中的均匀分布 并使食物均匀煮熟。

公开(公告)号：US06348676B2

公开(公告)日：2002-02-19

申请号：US09750442

申请日：2000-12-28

申请人： Yang Kyeong Kim ,  Jong Gwan Ryu ,  Wan Soo Kim ,  Sung Jin Han

发明人： Yang Kyeong Kim ,  Jong Gwan Ryu ,  Wan Soo Kim ,  Sung Jin Han

IPC分类号： A21B122

CPC分类号： H05B6/6432 ,  A23L5/15 ,  F24C7/06 ,  H01K1/50 ,  H05B6/6482 ,  Y02B20/12

摘要： The present invention relates to a device capable of cooking food products in a short time so as to concentrate the emitted light on the food product using a lamp emitting light in an infrared region. More particularly, it is capable of cooking the food product in a short time by concentrating light in the visible light region within a wavelength range of more than 1.35 &mgr;m on the food product using a luminous unit for emitting light in the infrared light region and a reflecting plate for concentrating the emitted light in the infrared light region.

摘要翻译： 本发明涉及一种能够在短时间内烹饪食物以便将发射的光聚集在食品上的装置，该装置使用在红外区域发射光的灯。 更具体地说，能够通过在红外光区域发光的发光单元将食物上的超过1.35μm的波长范围内的可见光区域的光聚焦在短时间内来烹调食品， 用于将发射的光聚集在红外光区域中的反射板。

公开(公告)号：US06316757B1

公开(公告)日：2001-11-13

申请号：US09688849

申请日：2000-10-17

申请人： Yang Kyeong Kim ,  Jong Gwan Ryu ,  Sung Jin Han ,  Wan Soo Kim

发明人： Yang Kyeong Kim ,  Jong Gwan Ryu ,  Sung Jin Han ,  Wan Soo Kim

IPC分类号： H05B668

CPC分类号： H05B6/6432 ,  H05B6/6482

摘要： A halogen heater control apparatus of a microwave oven and a method thereof, comprises a plurality of halogen heaters which are connected to a utility AC power source, and a halogen heater switching unit. The halogen heater and incrementally alters infrared wavelengths from the halogen heater, and a microcomputer controls the operation of the halogen heater switching unit. The present invention is capable of optimum foodstuff heating and cooking by incrementally altering and controlling the infrared wavelengths from the halogen heater by controlling the utility AC power source duty cycle to the halogen heater in accordance with control signals generated by the microcomputer.

摘要翻译： 微波炉的卤素加热器控制装置及其方法包括连接到公用交流电源的多个卤素加热器和卤素加热器切换单元。 卤素加热器并逐渐改变来自卤素加热器的红外波长，并且微计算机控制卤素加热器切换单元的操作。 本发明通过根据微型计算机产生的控制信号，将卤素加热器的公用交流电源占空比控制在卤素加热器的红外波长的逐渐变化和控制下，能够实现最佳的食品加热和烹饪。