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    • 5. 发明申请
    • SYSTEM AND CONTROL METHOD FOR DETECTING AN ABNORMAL BURNING SITUATION USING AIR PRESSURE SENSING AND FLAME DETECTION
    • 使用空气压力感测和火焰检测检测异常燃烧现象的系统和控制方法
    • US20100255434A1
    • 2010-10-07
    • US12816772
    • 2010-06-16
    • Si- Hwan Kim
    • Si- Hwan Kim
    • F24H9/20F23N5/00
    • F23N5/242F23M2900/11041F23N2029/04
    • Disclosed is a method for detecting a combustion state of a boiler, and more particularly to a boiler and a method capable of exactly detecting an abnormal combustion state of a gas boiler using an air pressure sensor and a flame detection unit, thereby improving efficiency of the boiler. The method comprises the steps of (S1) supplying air to a burner through a fan, (S2) detecting whether an optimum amount of air is supplied through step (S1) by using the air pressure sensor, (S3) continuously detecting a status of a flame through the flame detection unit if the flame is made by an ignition part, (S4) converting a size of the flame into a corresponding voltage value, inputting the voltage value into a microcomputer, and comparing the voltage value with a preset target voltage value, (S5) stopping a combustion process if the microcomputer determines that the air pressure sensor erroneously operates based on a fact that a difference value between the voltage value and the preset target voltage value exceeds a reference value, and (S6) displaying an error message indicating an abnormal combustion state if the microcomputer determines that the air pressure sensor erroneously operates.
    • 公开了一种用于检测锅炉的燃烧状态的方法,更具体地涉及一种能够使用空气压力传感器和火焰检测单元精确地检测燃气锅炉的异常燃烧状态的锅炉和方法,从而提高了 锅炉。 该方法包括以下步骤:(S1)通过风扇向燃烧器供给空气;(S2)通过使用空气压力传感器检测是否通过步骤(S1)供给最佳空气量,(S3)连续检测状态 如果火焰由点火部件制成,则通过火焰检测单元的火焰,(S4)将火焰的尺寸转换成相应的电压值,将电压值输入到微计算机中,并将电压值与预设的目标电压 (S5)根据电压值与预设目标电压值之间的差值超过参考值的事实,如果微机确定空气压力传感器错误地操作,则停止燃烧过程,(S6)显示错误 如果微计算机确定空气压力传感器错误地操作,则指示异常燃烧状态的信息。
    • 9. 发明申请
    • FLAME DETECTOR
    • 火焰探测器
    • US20080296502A1
    • 2008-12-04
    • US12125814
    • 2008-05-22
    • Akihisa KUDOH
    • Akihisa KUDOH
    • G01J5/02
    • G08B17/12F23N5/082F23N2029/04F23N2029/14G01J5/602
    • A first band pass filter selects and transmits light having an infrared wavelength specific to flame. A first infrared-ray receiving element receives the light from the first band pass filter. A second band pass filter selects and transmits light having an infrared wavelength which is not the infrared wavelength specific to flame. A second infrared-ray receiving element receives the light from the second band pass filter. A first output of the first infrared-ray receiving element is compared with a second output of the second infrared-ray receiving element to detect the flame. When light having homogeneous energy in a transmissive wavelength band of the first band pass filter and a transmissive wavelength band of the second band pass filter is incident on the first band pass filter and the second band pass filter, an amount of the light transmitted through the second band pass filter is less than an amount of the light transmitted through the first band pass filter, and the first output and the second output are adjusted so that a level of the first output is equal to a level of the second output.
    • 第一带通滤波器选择并透射具有特定于火焰的红外波长的光。 第一红外线接收元件接收来自第一带通滤光器的光。 第二带通滤波器选择并透射具有不是火焰特有的红外波长的红外波长的光。 第二红外线接收元件接收来自第二带通滤光器的光。 将第一红外线接收元件的第一输出与第二红外线接收元件的第二输出进行比较以检测火焰。 当在第一带通滤波器的透射波长带中具有均匀能量的光和第二带通滤波器的透射波长带入射到第一带通滤波器和第二带通滤波器上时,透过 第二带通滤波器小于通过第一带通滤波器传输的光量,并且调节第一输出和第二输出,使得第一输出的电平等于第二输出的电平。