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    • 4. 发明申请
    • METHOD AND APPARATUS FOR DETECTING ARCS AND CONTROLLING SUPPLY OF ELECTRICAL POWER
    • 用于检测ARCS和控制电力供应的方法和装置
    • WO01005010A1
    • 2001-01-18
    • PCT/US2000/018924
    • 2000-07-12
    • B03C3/68H02H1/00H02H7/00H01T23/00
    • B03C3/68H02H1/0015H02H7/003
    • A method and apparatus for detecting electromagnetic noise generated by an arc and controlling a power supply that powers the arcs. In an embodiment of the invention, the apparatus includes an arc detection circuit (100) and a power supply control circuit (101). The arc detection circuit (100) includes an antenna (102) and a single shot timer (112). Electromagnetic noise generated by an arc is received by the antenna (102) and activates the single shot timer (112), which causes the power supply control circuit (101) to interrupt the power supply powering the arc for a predetermined length of time. A microprocessor (402) can be used together with, or instead of, the single shot timer (112).
    • 一种用于检测由电弧产生的电磁噪声并控制为电弧供电的电源的方法和装置。 在本发明的实施例中,该装置包括电弧检测电路(100)和电源控制电路(101)。 电弧检测电路(100)包括天线(102)和单次触发计时器(112)。 由电弧产生的电磁噪声由天线(102)接收并启动单次触发定时器(112),使得电源控制电路(101)中断在电弧供电预定时间长度的电源。 微处理器(402)可与单次计时器(112)一起使用或代替单次计时器(112)一起使用。
    • 7. 发明申请
    • ELECTROSTATIC PAINTING DEVICE
    • 静电涂装置
    • WO02000354A1
    • 2002-01-03
    • PCT/JP2001/005644
    • 2001-06-29
    • B05D1/04B05B5/053B05B5/10B05B12/00B05B12/08H02H7/00B05B5/025
    • B05B12/004B05B5/0531B05B5/10H02H7/003
    • An electrostatic painting device capable of performing a painting while maintaining the spraying distance of an electrostatic painting machine within an optimum distance range with excellent coating efficiency, comprising an electrostatic spray gun (2) having a high voltage generating part (201) for applying a high voltage to an atomized paint, a detection means (107) for detecting a load current (I) varying according to a variation in spraying distance (L) between the electrostatic spray gun (2) and a painted object (4), a processing means (107) having the threshold of a load current value corresponding to the maximum spraying distance within the optimum distance range and outputting a warning signal when the detected load current lowers to the threshold or below, and a warning means (108) receiving the warning signal for warning and displaying, whereby the spraying distance is prevented from being increased beyond the optimum distance range unintentionally by a painter.
    • 一种能够在静电喷涂机的喷射距离保持在最佳距离范围内并且具有优异的涂布效率的同时进行喷涂的静电涂装装置,该静电喷涂装置包括具有高电压产生部分(201)的静电喷枪(2) 用于检测根据静电喷枪(2)和被涂物(4)之间的喷射距离(L)的变化而变化的负载电流(I)的检测装置(107),处理装置 (107),具有与最佳距离范围内的最大喷射距离对应的负载电流值的阈值,并且当检测到的负载电流下降到阈值以下时输出警告信号;以及警告装置(108),接收警告信号 用于警告和显示,由此防止喷漆距离被画家无意地增加到最佳距离范围之外。
    • 10. 发明申请
    • SYSTEM AND METHOD FOR DETECTION AND CONTROL OF UNGROUNDED PARTS IN A PRODUCTION COATING LINE
    • 用于检测和控制生产涂料生产线中的各种部件的系统和方法
    • WO1997000729A1
    • 1997-01-09
    • PCT/US1996010700
    • 1996-06-21
    • FIRE SENTRY SYSTEMS INC.
    • FIRE SENTRY SYSTEMS INC.CASTLEMAN, David, A.WILLIAMS, Anthony, B.SELSTAD, Chris, A.
    • B05B05/053
    • G01R31/026B05B5/08B05B12/12H02H7/003
    • A system and method for detecting and controlling ungrounded parts during the electrostatic coating process in order to improve production flow, provide an overall cost saving by efficient use of the coating material and prevention of accidental fires and false shutdown during production. The system (10) of the present invention comprises a detection system (47) for detecting any ungrounded parts (22) prior to entering a coating environment, such as a painting booth. The detection system (47) in accordance with one embodiment, comprises an array of detectors, specifically, an ultraviolet sensor (50), a radio-frequency wave sensor (52), an acoustic sensor (54) and a light sensor (46), which upon sensing specific characteristics generate representative signal waveforms. These waveforms are then compared with stored waveforms relating to profiles of sparking or corona discharge characteristics. Correlation circuits may correlate data obtained by two or more sensors in order to ensure that the spark or corona discharge is caused by an ungrounded part. In accordance with an alternative embodiment, the detection system (47) comprises a measuring device, such as a sensitive electric field meter, for measuring the electrical potential field between each part to be coated and ground.
    • 一种用于在静电涂覆过程中检测和控制未接地部件以提高生产流程的系统和方法,通过有效地使用涂层材料提供总体成本节省,并且防止意外的火灾和在生产期间的假关闭。 本发明的系统(10)包括检测系统(47),用于在进入涂装环境之前如检漆室检测任何未接地部件(22)。 根据一个实施例的检测系统(47)包括检测器阵列,具体地,紫外线传感器(50),射频波传感器(52),声传感器(54)和光传感器(46) ,其在感测特定特性时产生代表性的信号波形。 然后将这些波形与与火花或电晕放电特性曲线相关的存储波形进行比较。 相关电路可以将由两个或多个传感器获得的数据相关联,以确保火花或电晕放电是由未接地部分引起的。 根据替代实施例,检测系统(47)包括测量装置,例如敏感电场仪,用于测量待涂覆和被磨削的每个部件之间的电势场。