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    • 17. 发明申请
    • METHOD AND DEVICE FOR MONITORING RUN/STOP CONDITIONS OF A YARN
    • 用于监测纱线运行/停止条件的方法和装置
    • WO00051928A1
    • 2000-09-08
    • PCT/EP2000/001768
    • 2000-03-01
    • B65H63/032D04B35/12
    • D04B35/12B65H63/0321B65H63/0327B65H2701/31
    • According to a method for monitoring run/stop conditions of a yarn (Y), particularly in knitting or warping machine by a yarn feeler comprising an electronic, yarn actuated transducer (T) operating with variable gain amplification of run input signals (S) further processed into final output signals (OS), during run of the yarn (Y) and starting from a predeterminable maximum deamplification gain for said run input signal (S) permanently and automatically is controlled electronically with a constant reaction time delay (Tc) towards a floating minimum just sufficient to derive stable, final output signals (OS), and that by said reaction delay (Tc) natural parametric fluctuations of said run input signal (S) are compensated for, while a sudden total drop of said run input signal (S) due to a yarn breakage is processed to a final output stop signal (OS).
    • 根据用于监视纱线(Y)的运行/停止条件的方法,特别是在针织或整经机中,纱线检测器包括进一步以运行输入信号(S)的可变增益放大操作的电子纱线致动换能器(T) 在纱线运行期间(Y)处理成最终输出信号(OS),并且从对于所述运行输入信号(S)的可预定的最大去扩增增益开始,并以自动恒定的反应时间延迟(Tc)向电子方式控制 浮动最小值足以导出稳定的最终输出信号(OS),并且通过所述反应延迟(Tc),对所述运行输入信号(S)的自然参数波动进行补偿,同时所述运行输入信号( S)被处理成最终的输出停止信号(OS)。
    • 18. 发明申请
    • METHOD AND APPARATUS FOR DETECTING YARN DEFECTS DURING PRODUCTION, IN PARTICULAR CHENILLE YARNS
    • 用于检测生产过程中的纱线缺陷的方法和装置,特别是帘子纱
    • WO99035075A1
    • 1999-07-15
    • PCT/EP1998/008510
    • 1998-12-30
    • B65H63/032B65H63/06G01N33/36
    • B65H63/0324B65H63/065B65H2701/31
    • An apparatus for detecting defects on a yarn (2) during production comprises a detecting device (1) and, respectively upstream and downstream of it, braking deflector means (3) of the yarn (2) and cutting means (4a, 4b) of the yarn (2). The apparatus (1) comprises a drum (5), located between two shoulders (6), on which the yarn (2) passes substantially stretched and partially wound on the drum (5) so that it is pressed against its surface and the helix effect reduced. Light emitting means (7) are provided outside the drum (5), which is transparent and comprises inside an optical sensor (8). This way the light beam coming from the emitting means (7) projects the yarn (2) on the optical sensor (8), that detects continuously the amplitude of its shadow. When the optical sensor (8) detects an increase or decrease of transversal size of the yarn (2), beyond a predetermined threshold value, the yarn is stopped, is cut and then is joined again after having eliminated the defective portion. The apparatus (1) is particularly suitable for detecting defects on chenille yarns or fancy yarns.
    • 一种用于在生产过程中检测纱线(2)上的缺陷的装置,包括检测装置(1),并且分别在其上游和下游具有纱线(2)的制动偏转装置(3)和切割装置(4a,4b) 纱线(2)。 设备(1)包括位于两个肩部(6)之间的滚筒(5),纱线(2)基本上被拉伸并部分地卷绕在滚筒(5)上,使得其被压靠在其表面上,螺旋 效果降低。 发光装置(7)设置在透明的鼓(5)的外部,并且包括在光学传感器(8)内部。 这样来自发射装置(7)的光束将纱线(2)投射到光学传感器(8)上,连续检测其影子的幅度。 当光学传感器(8)检测到纱线(2)的横向尺寸的增加或减小超过预定阈值时,纱线被停止,被切割,然后在消除了缺陷部分之后再次接合。 设备(1)特别适用于检测雪尼尔纱或花式纱线上的缺陷。
    • 20. 发明申请
    • ELECTRONIC LENGTH CONTROL WIRE PAY-OFF SYSTEM AND METHOD
    • 电子长度控制线支付系统和方法
    • WO02090225A3
    • 2003-01-09
    • PCT/US0214339
    • 2002-05-07
    • MAGNATECH INTERNATIONAL L P
    • EAGELMAN JOHN MLEDBETTER WILLIAM M
    • B65H49/32B65H59/04B65H59/36B65H59/40B65H63/032B65H63/08B65H59/02
    • B65H59/40B65H49/32B65H59/04B65H59/36B65H63/032B65H63/088B65H2402/545B65H2403/725B65H2515/31B65H2515/322B65H2551/20B65H2701/38B65H2220/01B65H2220/02
    • A multi-spindle fiber pay-out apparatus (5) having a plurality of fiber spools (9) with each spool (9) having a fiber tension controller. The spindles (21) are in rotational supporting relation to the spool (9) of fiber and operatively engaged with a plurality of magnetic particle brakes (31) which are in communication with an electronic controller (99). A fiber take-up system (29) is mounted upon the frame (6) in cooperative relation to the spool (9) of fiber (7) and is arranged so as to compensate for changes in the fiber pay-out rate from the spool (9) of fiber (7) that are caused by activation/deactivation of the magnetic particle brake (37). A load cell transducer (13) is mounted on the frame adjacent to the fiber take-up system (29). The load cell transducer (13) is at least partially engaged by a fiber (7), and is arranged in electrical data communication with the magnetic particle brake (37) so as to (i) activate the magnetic particle brake (37) when a tension in the fiber (7) is detected below a predermined magnitude, and (ii) deactivate the magnetic particle brake (37) when the tension in the fiber (7) is at or above the predetermined magnitude. A method is also provided for monitoring and adjusting the length of a fiber (7) via monitoring of the tension of the fiber (7).
    • 一种具有多个纤维线轴(9)的多主轴光纤输出装置(5),每个线轴(9)具有光纤张力控制器。 主轴(21)与光纤的卷轴(9)旋转支撑,并与与电子控制器(99)连通的多个磁性颗粒制动器(31)可操作地接合。 纤维卷取系统(29)与纤维(7)的卷轴(9)协调地安装在框架(6)上,并且布置成补偿从卷轴(3)的纤维释放速率的变化 (7)的光纤(9),其由磁性颗粒制动器(37)的激活/去激活引起。 负载传感器(13)安装在与纤维卷绕系统(29)相邻的框架上。 负载传感器(13)至少部分地被光纤(7)接合,并且被布置成与磁性颗粒制动器(37)进行电数据通信,从而(i)当磁体颗粒制动器(37)激活时 在纤维(7)中的张力被检测到低于预定的大小,并且(ii)当纤维(7)中的张力处于或高于预定的大小时,停止磁性颗粒制动器(37)。 还提供了一种通过监测光纤(7)的张力来监视和调整光纤(7)的长度的方法。