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    • 1. 发明专利
    • Data recording apparatus
    • 数据记录装置
    • JPS5764125A
    • 1982-04-19
    • JP13985980
    • 1980-10-08
    • Chubu Electric Power Co IncChugoku Electric Power Co Ltd:TheHitachi LtdTokyo Electric Power Co Inc:The
    • HASHIMOTO YUUJIKAWAI KATSUMISUZUKI MITSUOYAMADA KIMIOIDEUMI SHIGERUTANISAKA SATOSHI
    • G01H17/00G01D9/28G01N29/14
    • G01D9/28
    • PURPOSE:To record an effective detect signal out of sound detecting elements which are more in number than input channels, in accordance with locations where loose parts are generated, by recording output signals of sound detecting elements which are decided by the content of input signals to a storing device. CONSTITUTION:When output signals a1-an of(n) pieces of sound detecting elements are supplied to a signal selector 2 as the input, and an external signal(c)is supplied to an ROM1 whose signal ratio of input//output is 1:1, a signal (d) is read, and, based on the content of the signal (d), a part signals b1-bm out of the signals a1-an are recorded in a recording device 3. Therefore, it is possible to correlate contents 1 -n of the input signal (c) to the ROM1 with detect channels for loose parts, and to selectively record signals from sound detecting elements near the loose parts in accordance with the detected channels for loose parts.
    • 目的:通过记录由输入信号的内容决定的声音检测元件的输出信号,根据产生松动部分的位置,将数字多于输入声道的声音检测元件记录有效的检测信号 存储装置。 构成:当将(n)个声音检测元件的输出信号a1-an提供给作为输入的信号选择器2,并且外部信号(c)被提供给其输入//输出的信号比为1的ROM1 :1,读取信号(d),并且基于信号(d)的内容,信号a1-an中的部分信号b1-bm被记录在记录装置3中。因此,可以 将输入信号(c)的内容1-n与ROM1与用于松散部件的检测通道相关联,并且根据检测到的松动部件的通道从松动部件附近的声音检测元件选择性地记录信号。
    • 4. 发明专利
    • Loose parts monitor
    • 松动部件监视器
    • JPS5764127A
    • 1982-04-19
    • JP13986180
    • 1980-10-08
    • Chubu Electric Power Co IncChugoku Electric Power Co Ltd:TheHitachi LtdTokyo Electric Power Co Inc:The
    • HASHIMOTO YUUJIKAWAI KATSUMISUZUKI MITSUOYAMADA KIMIOMICHIGUCHI YOSHIHIROIDEUMI SHIGERU
    • G01H17/00G01H1/00G01N29/14G21C17/04
    • G01H1/00
    • PURPOSE:To make electric noise and impact sound adequately discriminatable by removing electric noise by utilizing the difference in time width between the signals by the electric noise and the impact sound. CONSTITUTION:An input signal 4 is applied via a comparator 6 to a pulse generator 7 after full wave rectification 5. The pulses generated at the rise and fall of input pulses are inputted to a monostable multivibrator (multi) 8, and the output from the multi 8 is applied to generators 9, 10. The pulse at the rise from the generator 9 is delayed 13 by the pulse time width of the multi 8 and is used as a start pulse for a clock device 11. The pulse at the fall from the generator 10 is used as a stop pulse for the device 11. The output of the device 11 is supplied to a decision circuit 12, by which it is compared with a set count value and when it is larger than said value, it is decided as an impact signal.
    • 目的:通过利用电噪声和冲击声之间的信号之间的时间宽度差来消除电噪声,使电噪声和冲击声充分地区分开来。 构成:在全波整流5之后,通过比较器6将输入信号4施加到脉冲发生器7.在输入脉冲的上升和下降时产生的脉冲被输入到单稳态多谐振荡器(多)8, 多发8被施加到发生器9,10上。来自发生器9的上升的脉冲被延迟13乘以多8的脉冲时间宽度,并被用作时钟装置11的起始脉冲。 发生器10用作装置11的停止脉冲。装置11的输出被提供给判定电路12,通过该判定电路与设定的计数值进行比较,并且当其大于所述值时,确定 作为影响信号。
    • 5. 发明专利
    • Oscillation detecting apparatus
    • 振动检测装置
    • JPS5764126A
    • 1982-04-19
    • JP13986080
    • 1980-10-08
    • Chubu Electric Power Co IncChugoku Electric Power Co Ltd:TheHitachi LtdTokyo Electric Power Co Inc:The
    • HASHIMOTO YUUJIKAWAI KATSUMISUZUKI MITSUOMICHIGUCHI YOSHIHIROIDEUMI SHIGERUYAMADA KIMIO
    • G01H17/00G01H1/06G01N29/14G21C17/00
    • G01H1/06
    • PURPOSE:To surely detect oscillations even when noise is large, by obtaining average frequencies of a sound detecting signal at an in-furance structure, etc., and detecting oscillations from the average frequencies. CONSTITUTION:A sound detector 1 detects a sound signal, generated by mutual friction or collision due to the oscillation of an in-furnace structure, and also a noise signal. These detected signals are supplied to an operator 7 through a BPF6 after they are amplified 5, and an average frequency of the sound signals is obtained, then ,the output is analized in frequency. Consequently, a peak valve of the sound signal generated by oscillation of the structure is clearly distinguished in the variation of an average frequency of the noise. When the size and location of the peak valve are compared with a set value, abnormal oscillation of in-furnace structure can be detected.
    • 目的:即使在噪声较大的情况下,也可以通过在失效结构等获得声音检测信号的平均频率,并且从平均频率检测振荡来确定地检测振荡。 构成:声音检测器1检测由于炉内结构的振荡引起的相互摩擦或碰撞产生的声音信号以及噪声信号。 这些检测信号经过放大后的BPF6被提供给操作者7,获得声音信号的平均频率,然后对频率进行分析。 因此,噪声的平均频率的变化明显地区分了由结构振荡产生的声音信号的峰值瓣。 当将峰值阀的尺寸和位置与设定值进行比较时,可以检测炉内结构的异常振荡。