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    • 5. 发明授权
    • 재료의마이크로파가공을위한장치및방법
    • KR100363602B1
    • 2003-03-15
    • KR1019960705536
    • 1995-03-30
    • 유티-배텔, 엘엘씨
    • 존슨,아비드,씨.로우프,로버트,제이.바이블,돈,더블유.마크나스,로버트,제이.
    • H05B6/68
    • H05B6/686B29C65/1425B29C66/91B29C66/94H05B6/705Y02B40/143Y02B40/146
    • A variable frequency microwave heating apparatus (10) designed to allow modulation of the frequency of the microwaves introduced into a furnace cavity (34) for testing or other selected applications. The variable frequency heating apparatus (10) is used in the method of the present invention to monitor the resonant processing frequency within the furnace cavity (34) depending upon the material, including the state thereof, from which the workpiece (36) is fabricated. The variable frequency microwave heating apparatus (10) includes a microwave signal generator (12) and a high-power microwave amplifier (20) or a microwave voltage-controlled oscillator (14). A power supply (22) is provided for operation of the high-power microwave oscillator (14) or microwave amplifier (20). A directional coupler (24) is provided for detecting the direction and amplitude of signals incident upon and reflected from the microwave cavity (34). A first power meter (30) is provided for measuring the power delivered to the microwave furnace (32). A second power meter (26) detects the magnitude of reflected power. Reflected power is dissipated in the reflected power load (28).
    • 一种变频微波加热装置(10),设计成允许调节引入炉腔(34)的微波的频率以用于测试或其它选择的应用。 在本发明的方法中使用变频加热设备(10),以根据包括其制造工件(36)的材料的材料来监测炉腔(34)内的谐振处理频率。 变频微波加热装置(10)包括微波信号发生器(12)和高功率微波放大器(20)或微波压控振荡器(14)。 提供电源(22)用于高功率微波振荡器(14)或微波放大器(20)的操作。 定向耦合器(24)被提供用于检测入射到微波腔(34)上并从微波腔(34)反射的信号的方向和振幅。 第一功率计(30)被提供用于测量传送到微波炉(32)的功率。 第二功率计(26)检测反射功率的大小。 反射功率消耗在反射功率负载(28)中。
    • 10. 发明授权
    • 가변주파수마이크로파가열장치
    • KR100363603B1
    • 2003-03-03
    • KR1019960705539
    • 1995-03-30
    • 유티-배텔, 엘엘씨
    • 바이블,돈,더블유.로우프,로버트,제이.존슨,아비드,씨.디그펜,레리.티.
    • H05B6/68
    • H05B6/686B29C65/1425B29C66/91B29C66/9592Y02B40/143
    • A variable frequency microwave heating apparatus (10') designed to allow modulation of the frequency of the microwaves introduced into a multi-mode microwave cavity (32') for testing or other selected applications. The variable frequency microwave heating apparatus (10') includes a traveling wave tube (TWT) (20). A power and temperature display/controller (60) receives input from a power monitor (62) and a temperature sensor (64). The power monitor (62) receives input from the directional coupler (24') which detects the direction and amplitude of signals incident upon and reflected from the microwave cavity (32'). The power and temperature display/controller (60) further serves to control the microwave oscillator (14'), the pre-amplifier power control (18') and the TWT power supply (22'). A cooling system (66) is provided for cooling the TWT (20). A tapered waveguide coupler (68) acts as an impedance transformer.
    • 一种变频微波加热装置(10'),其被设计为允许调制引入到多模式微波腔(32')中的微波的频率以用于测试或其他选择的应用。 变频微波加热装置(10')包括行波管(TWT)(20)。 功率和温度显示/控制器(60)接收来自功率监视器(62)和温度传感器(64)的输入。 功率监视器(62)接收来自定向耦合器(24')的输入,该定向耦合器(24')检测入射到微波腔(32')上并从微波腔(32')反射的信号的方向和振幅。 功率和温度显示/控制器(60)还用于控制微波振荡器(14'),前置放大器功率控制(18')和TWT电源(22')。 提供冷却系统(66)以冷却TWT(20)。 锥形波导耦合器(68)充当阻抗变换器。