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    • 3. 发明公开
    • 밸브바디 제어 회로
    • 阀门控制电路
    • KR1020100090861A
    • 2010-08-18
    • KR1020090010067
    • 2009-02-09
    • 부산과학기술대학교 산학협력단
    • 이상석김성훈
    • F16H61/00B60R16/02
    • PURPOSE: A circuit for controlling a valve body is provided to control the solenoid valves of PWM(Pulse Width Modulation) and VFS(Variable Force Solenoid) by using one circuit. CONSTITUTION: A valve body control circuit(100) is composed of a driver circuit(101), a reverse surge protection circuit(103), and a feedback circuit. The driver circuit controls the main operation of the valve body control circuit. The driver circuit operates a PWM solenoid valve and a VFS solenoid valve. The driving circuit and the reverse surge protection circuit controls PWM solenoid valve. The valve body control circuit sets the period time, fullin time, holding frequency, and holding duty of the PWM solenoid valve. The valve body control circuit sets the softup time, softdown time, max current, frequency of the VFS solenoid valve.
    • 目的:提供一种用于控制阀体的电路,通过使用一个电路来控制PWM(脉宽调制)和VFS(变力电磁阀)的电磁阀。 构成:阀体控制电路(100)由驱动电路(101),反向浪涌保护电路(103)和反馈电路构成。 驱动电路控制阀体控制电路的主要操作。 驱动电路操作PWM电磁阀和VFS电磁阀。 驱动电路和反向浪涌保护电路控制PWM电磁阀。 阀体控制电路设置PWM电磁阀的周期时间,饱和时间,保持频率和保持占空比。 阀体控制电路设置VFS电磁阀的软启动时间,降压时间,最大电流,频率。
    • 4. 发明公开
    • 고주파 유전 가열 방식을 적용한 유체 가열 장치
    • 使用高频电介质的流体加热装置
    • KR1020100078523A
    • 2010-07-08
    • KR1020080136808
    • 2008-12-30
    • 부산과학기술대학교 산학협력단
    • 정명덕
    • F24H1/20F24H1/00
    • PURPOSE: A fluid heating apparatus adopting a high-frequency dielectric heating method is provided to optimize a circuit by heating fluid through a dielectric heating method. CONSTITUTION: A fluid heating apparatus(100) adopting a high-frequency dielectric heating method comprises a PLL(Phase Locked Loop,10), a LPF(Low Pass Filter,111), and amplifiers(113,115). PLL is comprised of a VCO(Voltage Controlled Oscillator,109), a divider(103), an X-tal OSC(Crystal Oscillator,101), and a PD(Phase Detector,105). The VCO outputs the specific frequency according to the input frequency. The divider divides the output frequency of VCO into the specific proportion. The X-tal OSC erupts the reference frequency. The PD compares the reference frequency, and the divided frequency. The LPF revises the phase according to the output frequency of the VCO. The amplifier amplifies the frequency passing through the LPF.
    • 目的:提供采用高频电介质加热方法的流体加热装置,通过介电加热方法加热流体来优化电路。 构成:采用高频电介质加热方法的流体加热装置(100)包括PLL(锁相环10),LPF(低通滤波器111)和放大器(113,115)。 PLL由VCO(压控振荡器109),分频器(103),X-tal OSC(晶体振荡器101)和PD(相位检测器,105)组成。 VCO根据输入频率输出特定频率。 分频器将VCO的输出频率除以特定比例。 X-OSCCC喷发参考频率。 PD比较参考频率和分频率。 LPF根据VCO的输出频率修改相位。 放大器放大通过LPF的频率。
    • 7. 发明授权
    • 단위 셀 패널로 이루어지는 플라즈마 디스플레이 패널
    • 等离子体显示面板保持细胞面板单元
    • KR101080224B1
    • 2011-11-08
    • KR1020090067521
    • 2009-07-23
    • 부산과학기술대학교 산학협력단
    • 홍성일하영철주철완
    • H01J11/20
    • 본발명은각각전극선이형성되는상판과하판사이에혼합기체를주입하고, 전압을가할때 발생하는플라즈마를이용하여화상을표시하는플라즈마디스플레이패널을구성함에있어서, 대형진공챔버와같은생산설비를적용하지않으면서플라즈마디스플레이를더욱용이하게대형화할수 있도록하기위한단위셀 패널로이루어지는플라즈마디스플레이패널을제공한다. 본발명에따른플라즈마디스플레이패널(10)은가로및 세로가정해진길이로분할되어형성되는다수개의단위셀 패널(20)로이루어진다. 그리고, 다수개의단위셀 패널(20) 각각은가로및 세로가정해진길이로형성되는상판(12)과하판(14)의각 전극선(13, 15)이외측방향으로돌출되어형성되므로써, 다수개의단위셀 패널(20)이격자의형태로접속되어원하는크기의디스플레이패널을형성하도록한다. 본발명에의한단위셀 패널로이루어지는플라즈마디스플레이패널은일반적으로적용되는플라즈마디스플레이패널의제조공정을통해수율및 양산측면에서가장유리한크기의패널을기본단위셀 패널로설정한다. 이기본단위셀 패널간의상판, 하판의전극선을인접단위셀 패널과연결하여원하는크기의플라즈마디스플레이패널을생산할수 있으므로, 설비투자에따른비용부담을경감시키면서더욱용이하게대형화된플라즈마디스플레이패널을제공할수 있는장점이있다.